Biomet Manufacturing Corp. Patent applications |
Patent application number | Title | Published |
20140303990 | INTEGRATED ORTHOPEDIC PLANNING AND MANAGEMENT PROCESS - A method can include receiving, at a server, preoperative image data of a patient's bone, and accessing, at the server, a database of three-dimensional model data. A patient specific three-dimensional model of the patient's bone can be generated, at the server. A preoperative surgical plan can be generated at the server, which can include comparing aspects of the preoperative surgical plan with predetermined reliability criteria. An interactive user interface for use by a surgeon to review the preoperative surgical plan can be provided, from the server, to a user device. Approval of the preoperative surgical plan can be received, at the server, via the interactive user interface. Postoperative image data of the patient's bone can be received at the server. A postoperative outcome study report can be generated, at the server, and can include a comparison of the preoperative surgical plan with the postoperative image data. | 10-09-2014 |
20140277555 | METHOD FOR IMPLANTING A HIP PROSTHESIS AND RELATED SYSTEM - A method of implanting a hip joint prosthesis into a patient can include obtaining image data of hip joint anatomy of the patient. Physical activities that the patient desires to participate in subsequent to implanting the hip prosthesis can be determined. A size and an initial placement of the hip joint prosthesis based on the image data can be determined. A desired range of motion of the hip joint prosthesis based on the determined physical activities can be determined. A plan can be created comprising a desired implanted location of the hip joint prosthesis and based on the desired range of motion. The plan can be incorporated onto a guide. The plan can be executed with the guide thereby implanting the hip joint prosthesis into the patient at the desired implanted position. | 09-18-2014 |
20140214169 | Method for Performing Implant Surgery - The joint implant manufacturer obtains and compiles surgeon-specific surgical and supply preference information in relation to a supplied joint implant prior to surgery. The manufacturer designates and trains at least one surgical team member using the surgeon-specific preference information and then supplies the service of the surgical team member(s) together with the supplied joint implant and supplies. The surgical team member(s) perform surgical procedures on the patient to assist the surgeon in removing a defective joint and replacing it with the supplied implant in accordance with the surgeon's surgical preferences. | 07-31-2014 |
20140214100 | ORTHOPAEDIC TOOL HANDLE AND METHOD OF MANUFACTURING SAME - An orthopaedic tool includes a handle having an exterior profile defined by a first three-dimensional shape having an exterior surface of revolution about a first axis of rotation, and a second three-dimensional shape having an exterior surface of revolution about a second axis of rotation. The second axis of rotation is offset from the first axis of rotation, whereby the first three-dimensional shape and the second three-dimensional shape intersect to define a volume of intersection. The exterior profile is defined only by the volume of intersection. A shaft extends from the handle. | 07-31-2014 |
20140156017 | FLEX ANCHOR FOR ATTACHING A PROSTHESIS TO BONE - A tibial anchoring assembly comprising a tibial tray and an anchor. The tibial tray comprises an upper surface for engagement with a femoral component and a lower surface for engagement with a tibia bone. The lower surface defines at least one retaining aperture. The anchor is adapted to compressively couple the tibial tray to the tibia bone. The anchor comprises a longitudinally extending base, a top section coupled to the base and having a shape to be received into the retaining aperture of the tibial tray, and a flexible blade member protruding from the base. The flexible blade member is adapted to be flexed in tension while being inserted into the tibia bone, thereby exerting a compressive force between the tibial tray and the tibia bone. A deforming fixture may be used to shape the flexible blade member. Methods of affixing an implant to a bone structure are also provided. | 06-05-2014 |
20140081282 | Method And Apparatus For Implanting A Prosthesis - Disclosed is a system for engaging a prosthesis and for implanting the same. The system can include a component or plurality of components to engage an acetabular prosthesis in both rotational and axial fixation. A method of using the insertion assembly is also disclosed. In addition, a method of assembling, disassembling, and cleaning the insertion assembly is disclosed. | 03-20-2014 |
20140081278 | ACETABULAR CUP INSERTER HANDLE - Disclosed is an acetabular positioning and insertion instrument. Additionally, a method of positioning an acetabular prosthesis with an insertion instrument is disclosed. The positioning instrument can include engaging members to contact an acetabular prosthesis and holding it relative to a portion of the instrument for both rotational and positioning of the prosthesis. | 03-20-2014 |
20140067077 | KNEE COMPONENT HAVING ORBITAL INTERFACE BOSS - A knee prosthesis constructed in accordance to the present disclosure includes a femoral component and a boss. The femoral component can have a first condylar portion and a second condylar portion connected by an inner condylar portion that defines an intercondylar recess, the inner condylar portion having a first engagement portion comprising a first plurality of engaging members extending therefrom. The boss can have a longitudinal body extending along a boss axis between first and second ends. The first end can be configured to selectively mate with a stem. The second end can include a second engagement portion comprising a second plurality of engaging members extending therefrom. The second engagement portion of the boss can be selectively coupled to the first engagement portion of the femoral component in a plurality of discrete positions to attain a corresponding plurality of angles of the boss axis relative to the femoral component. | 03-06-2014 |
20140025081 | KNEE SIZING AND BALANCING INSTRUMENT - An orthopedic instrument for knee arthroplasty includes an anterior-posterior sizer assembly, a tensor assembly and a rotation mechanism. The sizer assembly includes a stylus, a sizer body including medial and lateral posterior feet extending substantially perpendicularly from the sizer body, and a sizer slider that can slide relative to the sizer body along a medial-lateral direction relative to a patient's knee. The tensor assembly includes a tensor frame having a central portion, medial and lateral wings extending at an angle from the central portion, and medial and lateral posterior feet extending substantially perpendicularly to the central portion. The rotation mechanism includes a portion coupled to the tensor frame of the tensor assembly and a portion coupled to the sizer body. The rotation mechanism is configured to rotate the medial and lateral posterior feet of the sizer body relative to the tensor frame toward a lateral side of the patient's knee. | 01-23-2014 |
20140017391 | DEVICE FOR COATING INTRAMEDULLARY RODS WITH CEMENT - A mold for forming a coated intramedullary (IM) nail can include a tubular member having an insertion end and an opposite end. The tubular member can comprise a sidewall extending along a longitudinal axis between an outer surface and an inner surface. The sidewall can define at least one threaded inlet port therealong. The tubular member can be configured to receive the IM nail therein. The tubular member can be further configured to locate a flowable material against the IM nail within the inner surface. | 01-16-2014 |
20130310945 | ACETABULAR SCREW HOLE PLUGS - An acetabular shell assembly according to the principles of the present disclosure includes a substrate and a screw hole plug. The substrate can have an inner surface, an outer surface, and a screw hole extending through the inner and outer surfaces and configured to receive a screw to fix the substrate to bone within an acetabulum. The screw hole plug can be configured to be selectively retained relative to the substrate. | 11-21-2013 |
20130288951 | COMPOSITIONS AND METHODS FOR COATING IMPLANT SURFACES TO INHIBIT SURGICAL INFECTIONS - Infection-inhibiting compositions suitable for coating surfaces of implantable medical implants, including compositions and devices for coating medical devices in the operating room prior to implantation in a patient. Methods for inhibiting infection at the site of implantation of an orthopedic device in a human or animal subject, comprise rubbing a surface of the device, prior to implantation, with an infection-inhibiting composition having a waxy matrix comprising an infection-inhibiting material selected from the group consisting of a lipid, an antimicrobial agent, and mixtures thereof, wherein a thin layer of the infection-inhibiting material is deposited on the surface of the device. Medical implants which may be treated in the methods of this technology include orthopedic implants. Lipids include long-chain diacylglycerides or triacylglycerides, which may be saturated or unsaturated, such as lecithin or a purified form of phosphatidylcholine. | 10-31-2013 |
20130245780 | Acetabular Cartilage Implant - Disclosed is a system for replacing a portion of cartilage in an acetabulum. A prosthesis can be positioned within an acetabulum to form a portion of the articulation surface within the acetabulum and to articulate with a femoral bone. For example, an acetabular prosthesis can be implanted to articulate with the natural femoral head. | 09-19-2013 |
20130245772 | SOLID STATE DEFORMATION PROCESSING OF CROSSLINKED HIGH MOLECULAR WEIGHT POLYMERIC MATERIALS - Solid-state deformation processing of crosslinked high molecular weight polymers such as UHMWPE, for example by extrusion below the melt transition, produces materials with a combination of high tensile strength and high oxidative stability. The materials are especially suitable for use as bearing components in artificial hip and other implants. Treated bulk materials are anisotropic, with enhanced strength oriented along the axial direction. The material is oxidatively stable even after four weeks of accelerated aging in a pressure vessel containing five atmospheres of oxygen (ASTM F2003). Because of its oxidative stability, the deformation processed material is a suitable candidate for air-permeable packaging and gas sterilization, which has thus far been reserved for remelted crosslinked UHMWPE. | 09-19-2013 |
20130204375 | Humeral Implant Having A Floating Bearing - A shoulder can include a fixed bearing having a generally spherical articulating surface configured to be coupled to a glenoid. The implant can also include a floating bearing member defining a first spherical bearing surface and a second planar articulating bearing surface. The implant can include a stem defining a stem planar bearing surface coupled to the second planar articulating bearing surface. The second planar articulating bearing surface can cooperate with the stem planar bearing surface to enable the floating bearing to translate relative to the stem. | 08-08-2013 |
20130197651 | CONVERTIBLE GLENOID IMPLANT - A shoulder implant assembly constructed in accordance to one example of the present disclosure includes a frame member, a cup, and a glenosphere. The frame member can have a central hub and a first arm extending therefrom. The frame member can be configured to selectively and alternatively couple with first shoulder implant components in a traditional shoulder configuration and with second shoulder implant components in a reverse shoulder configuration. The cup can have a concave surface that is configured to articulate with a humeral head component. The cup can be selectively coupled to the frame member in the traditional shoulder configuration. The glenosphere can have an outer articulating surface that is configured to articulate with a second cup. The glenosphere can be selectively coupled to the frame member in the reverse shoulder configuration. | 08-01-2013 |
20130197650 | REVERSE SHOULDER PROSTHETIC - A reverse modular humeral implant for implantation into a humerus that includes a natural humeral shaft and a natural humeral head. The implant includes a humeral stem implantable into the natural humeral shaft, and an adapter couplable to the humeral stem, the adapter including an anchoring projection configured to be coupled to a convex bearing. | 08-01-2013 |
20130190881 | MODULAR CENTER PEGGED GLENOID - A glenoid prosthetic is provided and may include a first component having an articulating surface engaged by the head of a humeral component or a natural humerus and an engagement surface formed on an opposite side of the first component than the articulating surface. A second component may be attached to the first component proximate to the engagement surface and may be attached to a resected glenoid of a scapula. The second component may be formed from a different material than the first component and may include at least one coupling stem received within an aperture formed in the resected glenoid. | 07-25-2013 |
20130184764 | PATIENT-SPECIFIC HIGH TIBIA OSTEOTOMY - A surgical method for tibia osteotomy includes attaching a patient-specific alignment guide to a corresponding surface of a tibia of a patient for whom the alignment guide is customized during a pre-operative planning stage and making a partial bone cut in the tibia through a planar slot of the alignment guide. The planar slot is oriented at a patient-specific angle relative to an anatomic axis of the patient and the angle is customized during the pre-operative planning stage. The method includes opening the bone cut to form an opening wedge, and inserting a patient-specific implantable wedge into the opening wedge. | 07-18-2013 |
20130178944 | Ulnar Head Implant - The present teachings provide an ulnar head implant. The implant can include a head component adapted to articulate with a portion of the anatomy. The head component can define a coupling bore through a surface. The implant can also include a stem component having a base and a post that extends from the base for insertion into a prepared portion of an anatomy. The base can include a coupling feature. The implant can include an intermediate component receivable within the coupling bore and couplable to the coupling feature to couple the head component to the stem component. | 07-11-2013 |
20130177467 | METHOD OF BONDING POROUS METAL TO METAL SUBSTRATES - A method for preparing an implant having a porous metal component. A loose powder mixture including a biocompatible metal powder and a spacing agent is prepared and compressed onto a metal base. After being compressed, the spacing agent is removed, thereby forming a compact including a porous metal structure pressed on the metal base. The compact is sintered, forming a subassembly, which is aligned with a metal substrate portion of an implant. A metallurgical bonding process, such as diffusion bonding, is performed at the interface of the subassembly and the metal substrate to form an implant having a porous metal component. | 07-11-2013 |
20130172948 | CLAVICLE BENDING TEMPLATES - A reference guide tool for conforming a bone plate can include a series of bone templates, each having a distinct three-dimensional shape that replicates portions of various clavicles. Each bone template of the series of bone templates can have a plate engaging surface that is configured to engage a bone plate and provide a reference for the bone plates during structural modification of the bone plate. | 07-04-2013 |
20130172944 | SUTURE BUTTON - A bone fixation assembly can include a suture button, a bone plate, and a suture assembly. The suture button can include a body that has a first end surface, a second end surface, and a circumferential outer surface. A first pair of passages can be formed through the body from the first end surface to the second end surface. The circumferential outer surface can include at least one protrusion or retaining rib extending radially therefrom. The bone plate defines an aperture. The suture button is configured to be at least partially received into the aperture in an assembled position such that the retaining rib engages the bone plate and inhibits withdrawal of the suture button from the aperture in the assembled position. The suture assembly includes a suture engaging member and a suture configured to couple the suture engaging member in the suture button. | 07-04-2013 |
20130158671 | Method And Apparatus For Manufacturing An Implant - An orthopedic device includes a femoral implant having a non-custom internal bone engagement surface. The femoral implant includes at least nine parameters adjusted preoperatively to correspond to a specific patient. The parameters can include patient-specific lengths, such as, for example, medial and lateral condyle widths and notch height, and patient-specific medial and lateral angles. | 06-20-2013 |
20130150979 | ANTIMICROBIAL METHACRYLATE CEMENTS - Bone cement compositions and methods of making two-part bone cements. The methods comprise transferring premixed powder and a liquid component into a receptacle, and mixing the powder component and the liquid component to form a cement composition. The premixed powder component comprises an acrylic polymer and a radical initiator. The bone cement is loaded with from about 5% to about 6% gentamicin by weight of the powder component, and from about 4% to about 5% vancomycin by weight of the powder component. The methods include filling a mold cavity with the bone cement composition to form a temporary spacer implant. The bone cement compositions provide a viscosity profile sufficient for the bone cement composition to flow within the mold cavity for an elapsed working time period of greater than about 6 minutes from the start of mixing at approximately 23° C. | 06-13-2013 |
20130150859 | GLENOID REAMER - A bone reamer includes a first member having a first hub and a second member having a second hub. The first hub can extend along a first axis and have a pair of elongated cutting arms that are fixed to the first hub. The elongated cutting arms can extend along a second axis that is generally perpendicular relative to the first axis. The first hub can define a track thereon. The second hub can extend along a third axis. The second member can have a second pair of elongated cutting arms that are fixed to the second hub and extend along a fourth axis that is generally perpendicular to the third axis. The second member can have a track follower extending thereon and that is configured to slideably advance along the track causing the first and second members to move between a collapsed position and an expanded position. | 06-13-2013 |
20130144397 | Variable Prosthesis - The present teachings are directed to a shoulder prosthesis having an adjustable radial offset and/or angular inclination provided by relative rotation of an adapter interdisposed between a stem and a head. In one example, a prosthesis has a stem having a first longitudinal axis. The prosthesis can also include an adaptor including a first taper. The first taper can have a first taper axis. The prosthesis can include a head supported by the adaptor. The head can be selectively oriented and then coupled to the first taper and the combination can be selectively orientated and the coupled to the stem. | 06-06-2013 |
20130123929 | CONVERTIBLE GLENOID IMPLANT - A shoulder implant assembly constructed in accordance to one example of the present disclosure includes a frame member, a cup, and a glenosphere. The frame member can have a central hub and a first arm extending therefrom. The frame member can be configured to selectively and alternatively couple with first shoulder implant components in a traditional shoulder configuration and with second shoulder implant components in a reverse shoulder configuration. The cup can have a concave surface that is configured to articulate with a humeral head component. The cup can be selectively coupled to the frame member in the traditional shoulder configuration. The glenosphere can have an outer articulating surface that is configured to articulate with a second cup. The glenosphere can be selectively coupled to the frame member in the reverse shoulder configuration. | 05-16-2013 |
20130123856 | QUICK-CONNECT DRILL GUIDE - A drill guide for use with a bone plate is provided in accordance with various aspects of the present teachings. The drill guide can include a body and a quick-connect coupling arrangement. The body can have a proximal end, a distal end and can define a guide passage therebetween. The distal end can have a bone plate engaging portion. The quick-connect coupling arrangement can be associated with the bone plate engaging portion, and can include first and second lobes projecting radially outward from an outer surface of the bone plate engaging portion. The bone plate engaging portion and the first and second lobes can be operable to be slidably received in a bone screw hole in the bone plate so as to removably couple the drill guide to the bone plate in a predetermined orientation relative to the bone screw hole. | 05-16-2013 |
20130123850 | PATIENT-SPECIFIC SACROILIAC AND PEDICLE GUIDES - An orthopedic device includes a first patient-specific element having a first patient-specific surface preoperatively configured to mate and conform to a first anatomic portion of a specific patient based on medical scans of the patient. The orthopedic device includes a second patient-specific element having a second patient-specific surface preoperatively configured to mate and conform to a second anatomic portion of a specific patient based on medical scans of the patient. An arcuate bridge couples the first and second patient-specific portions. The arcuate bridge is configured to provide clearance the patient's anatomy between the first and second anatomic portions. | 05-16-2013 |
20130123793 | SURGICAL INSTRUMENT INCLUDING ANGLE ADJUSTMENT MECHANISM AND QUICK-CONNECT MECHANISM - An instrument assembly can include a handle and an instrument. The handle can include an inner member and an outer member. The inner member can include a rod and a first tip. The outer member can include a second tip and can define a cannulation. The instrument can define a pocket configured to receive the second tip of the outer member. The handle can be adjustable at a desired angle relative to the instrument when the second tip of the outer member is disposed in the pocket and the first tip of the inner member is positioned in the cannulation spaced apart from the second tip. The first tip can be configured to expand the second tip radially outward such that the second tip engages the pocket and locks the handle at the desired angle when the first tip is positioned in the cannulation in engagement with the second tip. | 05-16-2013 |
20130123581 | SELF-RETAINING RETRACTOR - A tissue retractor generally includes a pair of arms that are pivotally coupled to each other and each have a finger grip portion on a first end and a working portion arranged on an opposite second end. Each of the second ends comprises an elongated shaft that extends along an axis. A pair of paddles each having a planar engagement body and a mounting portion are pivotally coupled to a corresponding elongated shaft. The paddles are selectively rotatable around the respective axes. | 05-16-2013 |
20130118377 | METHOD AND APPARATUS FOR FORMING POROUS METAL IMPLANTS - A method for providing a porous metal implant. A mixture of a biocompatible metal, a spacing agent, and a binder is provided. The mixture is formed into a shaped the spacing agent is removed to form a plurality of pores in the implant. A shaped porous metal implant is also provided. | 05-16-2013 |
20130116796 | DISTAL RADIOULNAR JOINT DEVICE - A system and method of implanting a distal wrist implant relative to a host bone is presented. A distal radial component having a body including a first connection portion couplable to a stem is coupled to a second prosthetic coupled to a medial surface of the body. The second prosthetic replaces at least a portion of the sigmoid notch. | 05-09-2013 |
20130103159 | KNEE REPLACEMENT SYSTEM AND METHOD FOR ENABLING NATURAL KNEE MOVEMENT - A method of implanting a knee replacement system in a leg with a femur and a tibia of a patient can include, implanting a femoral component onto a condyle of the femur and placing a trial tibial component on a tibial plateau of the tibia. The tension of a posterior cruciate ligament can be adjusted. The tension of an anterior cruciate ligament can be adjusted. The posterior position of the trial tibial component can be adjusted. The knee condition at toe off onset can be simulated during walking. | 04-25-2013 |
20130096602 | IMPLANTABLE SUBCUTANEOUS ELECTRICAL SOCKET AND PERCUTANEOUS PLUG - An implantable subcutaneous electrical socket and corresponding percutaneous plug are disclosed for controlling and/or energizing an implanted medical device, such as a bone distraction motor, within a patient. The subcutaneous electrical socket is accessed percutaneously by the plug, to connect data and power electrodes deployed from the plug into the socket to conduct control signals and electrical power from an external source to an implanted medical device within the patient. The socket and plug include insulating materials to prevent electrical shock to the patient. | 04-18-2013 |
20130096565 | DOUBLE-ENDED DEPTH GAGE - An instrument for measuring a depth of a hole in bone can comprise an instrument body having a cannulated sleeve that extends between a first end and a second end. A first reference portion can be disposed at the first end and a second reference portion can be disposed at the second end. A probe can selectively and alternatively translate in first and second opposite directions through the cannulated sleeve between a first measuring position and a second measuring position. The probe extends outwardly a distance spaced from the first reference portion in the first measuring position and extends outwardly a distance spaced from the second reference portion in the second measuring position. | 04-18-2013 |
20130096564 | METHOD AND APPARATUS FOR PERFORMING A LESS INVASIVE SHOULDER PROCEDURE - A method and apparatus of performing a procedure relative to the glenohumeral joint. Resection of the glenoid and/or the humerus can proceed through an incision formed near the glenohumeral joint. The incision can be formed generally near a superior-lateral portion near the glenohumeral joint and allow less invasive access to the glenohumeral joint and the portions that form the glenohumeral joint. The procedure can be performed with no or little detaching of the subscapularis, and with no or little dislocating of the glenohumeral joint. | 04-18-2013 |
20130096559 | COMPRESSIVE DISTAL HUMERUS PLATING SYSTEM - A system for compressing a fracture can include a first bone plate having a first proximal end and a first distal end, and a second bone plate having a second proximal end and a second distal end. The second bone plate can be spaced apart from the first bone plate. The system can include an expansion member coupled to the second proximal end of the second bone plate. The movement of the expansion member relative to the second bone plate can cause the first distal end of the first bone plate and the second distal end of the second bone plate to move toward each other to compress the fracture. | 04-18-2013 |
20130090736 | Multiple Bearing Humeral Prosthesis - A prosthesis to replace a portion of the anatomy, such as the humerus, can include a first shell. A second prosthesis can be positioned relative to the shell to provide the bearing surface to articulate with a glenoid prosthesis or glenoid. The second prosthesis can include a connection portion to engage a connection portion in the shell. | 04-11-2013 |
20130060344 | FEMORAL COMPONENT WITH REINFORCED ARTICULATING SURFACE - A femoral component for a knee joint prosthesis. The femoral component can comprise a polymer body having first and second condylar portions interconnected by an intercondylar anterior portion. A first reinforcement member can be secured to the first condylar portion. A second reinforcement member can be secured to the second condylar portion. The reinforcement members can comprise a material selected from the group consisting of a metal alloy, a ceramic material, and a thermoplastic material. | 03-07-2013 |
20130053854 | PATIENT-SPECIFIC SACROILIAC GUIDES AND ASSOCIATED METHODS - A patient-specific alignment guide includes a patient-specific portion and a guiding element having a through opening. The patient-specific portion has a patient-specific surface preoperatively configured to mate as a negative of a portion of an iliac crest of a pelvis of a specific patient and mate to the iliac crest only in one position. The guiding element has a preoperatively configured orientation and location relative to the patient-specific portion for preparing a bore in the bone of the patient to direct a bone screw at the preoperatively configured orientation and location for sacroiliac fixation. | 02-28-2013 |
20130041474 | ACETABULAR SCREW HOLE COVERS - An acetabular shell can include a substrate and a screw hole cover. The substrate can define a screw hole configured to receive a screw to fix the substrate to bone. The screw hole cover is formed separate from the substrate and attached to the substrate to cover the screw hole, and configured to be ruptured. | 02-14-2013 |
20130035766 | PATIENT-SPECIFIC PELVIC IMPLANTS FOR ACETABULAR RECONSTRUCTION - A pelvic implant includes a first surface including a recess configured for receiving a portion of a flange of an acetabular cage and a patient-specific second surface opposite to the first surface. The patient-specific second surface is preoperatively configured from a three-dimensional digital image of a pelvis of a patient to mate and closely conform to a corresponding surface of the pelvis under the flange in only one position. | 02-07-2013 |
20130034838 | METHOD FOR PERFORMING IMPLANT SURGERY - The joint implant manufacturer obtains and compiles surgeon-specific surgical and supply preference information in relation to a supplied joint implant prior to surgery. The manufacturer designates and trains at least one surgical team member using the surgeon-specific preference information and then supplies the service of the surgical team member(s) together with the supplied joint implant and supplies. The surgical team member(s) perform surgical procedures on the patient to assist the surgeon in removing a defective joint and replacing it with the supplied implant in accordance with the surgeon's surgical preferences. | 02-07-2013 |
20130030538 | Method And Apparatus For Positioning A Multiple Piece Prosthesis - A method and apparatus for positioning an implant system in anatomy is disclosed. The apparatus can include an alignment member operable to contact an implant portion, a bone, or other appropriate portion. The method can include using the apparatus to assist in positioning a single or multi-piece implant member. Also, a method of aligning a first implant position relative to another implant position is disclosed. | 01-31-2013 |
20130018482 | IMPLANT SLEEVE FOR CEMENT HIP STEMSAANM Meridew; Jason D.AACI WarsawAAST INAACO USAAGP Meridew; Jason D. Warsaw IN USAANM White; John R.AACI Winona LakeAAST INAACO USAAGP White; John R. Winona Lake IN USAANM Bollinger; Mark A.AACI Fort WayneAAST INAACO USAAGP Bollinger; Mark A. Fort Wayne IN US - An implant sleeve operable to center an implant at an implantation site. The implant sleeve includes a proximal end, a distal end, an annular sidewall, a mesh portion of the annular sidewall, and an interior area. The annular sidewall is between the proximal end and the distal end. The mesh portion defines a plurality of openings in the annular sidewall. The interior area is defined by the annular sidewall and is configured to receive a stem of the implant. A longitudinal axis of the implant sleeve extends along an axial center of the interior area. In response to force applied to the implant sleeve, the implant sleeve compresses and the mesh portion expands outward from the longitudinal axis. | 01-17-2013 |
20130018476 | SHOULDER PROSTHESIS - A prosthesis is provided and may include a central body having a longitudinal axis and an opening that receives an installation tool. The prosthesis may further include a plurality of arms each having a first end proximate to the central body and a second end extending from the central body in a first direction substantially perpendicular to the longitudinal axis. The second end may include a greater width than the first end measured in a second direction substantially perpendicular to the first direction. | 01-17-2013 |
20130018475 | SHOULDER PROSTHESISAANM Vanasse; Thomas M.AACI WarsawAAST INAACO USAAGP Vanasse; Thomas M. Warsaw IN USAANM Winslow; Nathan A.AACI WarsawAAST INAACO USAAGP Winslow; Nathan A. Warsaw IN US - A prosthesis is provided and may include a central body having a longitudinal axis and a plurality of arms extending from the central body in a direction substantially perpendicular to the longitudinal axis. The plurality of arms may each include a first planar surface, a second planar surface, and a third planar surface that are each formed at an obtuse angle relative to one another to define an outer shape of the prosthesis. | 01-17-2013 |
20130006375 | KNEE PROSTHESIS - A knee joint prosthesis assembly according to the present disclosure can include a femoral component, a unitary tibial component, a medial bearing, and a lateral bearing. The femoral component can have a medial and a lateral condyle portion connected by a patellar track portion. The femoral component can form an opening between the medial and lateral condyles. The unitary tibial component can have a medial portion that includes a first posterior engagement lip and a first outer securing lip. The tibial component can further include a lateral portion that includes a second posterior engagement lip and a second outer securing lip. The medial bearing can have a first posterior groove formed thereon that selectively engages the first posterior engagement lip and a first outer groove that selectively engages the first outer securing lip. | 01-03-2013 |
20130006250 | PATIENT-SPECIFIC BONE-CUTTING GUIDANCE INSTRUMENTS AND METHODS - An orthopedic device for cutting or resurfacing an outer bone surface of a bone of a patient includes first and second guides. Each guide has a patient-specific surface preoperatively configured as a negative surface of a portion of the outer bone surface of the bone and a plurality of elongated slots. The elongated slots of the second guide are offset relative to the elongated slots of the first guide and configured for guiding a tool to resurface the outer bone surface. | 01-03-2013 |
20130001121 | BACKUP KIT FOR A PATIENT-SPECIFIC ARTHROPLASTY KIT ASSEMBLY - A method for preparing a backup kit for a plurality of patient-specific arthroplasty procedures scheduled at the same medical facility includes providing a database with data from completed arthroplasty procedures using patient-specific arthroplasty kits. The database includes comparisons between preoperatively planned implant size and intraoperatively implanted implant size. The method includes determining a statistically expected implant size deviation from a planned implant size for each implant included in a plurality of patient-specific arthroplasty kits prepared for a shipment to the medical facility using the database. A backup kit of backup implants is assembled for the shipment. The number and size of the backup implants is determined from the statistically expected implant size deviations. | 01-03-2013 |
20120323338 | MODULAR PROXIMAL INTERPHALANGEAL JOINT - A method for replacing a proximal interphalangeal joint with a modular implant assembly is provided. During a first surgical procedure, a first stem component of the implant assembly having a first articulation component removably attached thereto is implanted in a proximal phalanx bone. A second stem component of the implant assembly having a second articulation component removably attached thereto is implanted in a middle phalanx bone. During a second surgical procedure performed after the first surgical procedure, the first articulation component is removed from the first stem component and the second articulation component is removed from the second stem component. A third articulation component is attached to the first stem component and a fourth articulation component is attached to the second stem component. The second surgical procedure is performed without removing the first stem component from the first bone and without removing the second stem component from the second bone. | 12-20-2012 |
20120323333 | REVISION KNEE TIBIAL LOCKING MECHANISM - A tibial prosthesis assembly can comprise a tibial tray and a tibial insert. The tibial tray can have an inferior bone engaging surface, a superior surface, and a first retaining feature. The tibial insert can have an inferior tray engaging surface, a superior bearing surface, and a second retaining feature. The first and second retaining features can cooperate to inhibit substantial lift-off of the tibial insert away from the superior surface of the tibial tray while permitting a predetermined amount of rotation of the tibial insert around the superior surface in an assembled position. | 12-20-2012 |
20120323287 | IMPLANT TO STRESS BONE TO ALTER MORPHOLOGY - An implant operable to alter morphology of a long bone can comprise a first longitudinal member, a second longitudinal member, and an adjusting member. The first longitudinal member can have a bone attachment end and a first connecting end. The second longitudinal member can have a second bone attachment end and a second connecting end. The adjusting member can connect to both of the first and second connecting ends. The adjusting member can be selectively moveable from a first implanted position where the first and second connecting ends are fixed to respective ends of the long bone and spaced apart a first distance to a second implanted position where the first and second connecting ends are fixed to the respective ends of the long bone and spaced apart a second distance. The second distance is less than the first distance causing a long bone to be compressed between the first and second bone attachment ends. | 12-20-2012 |
20120323246 | Patient-Specific Partial Knee Guides And Other Instruments - A patient-specific unicompartmental tibial guide has a patient-specific body with an inner surface. The inner surface is preoperatively configured to nestingly conform and mate in only one position with an anterior portion and a proximal portion of a tibial bone of a specific patient. The tibial guide includes a vertical resection channel having a variable width preoperatively configured for guiding a vertical resection through the proximal portion of the tibial bone. | 12-20-2012 |
20120316564 | DRILL GUIDES FOR CONFIRMING ALIGNMENT OF PATIENT-SPECIFIC ALIGNMENT GUIDES - An orthopedic device includes a drill guide configured to be mounted on a patient-specific alignment guide for intraoperatively confirming alignment of the patient-specific alignment guide relative to a bone. The patient-specific alignment guide includes first and second referencing holes. The drill guide includes a main body with a first coupling member and a second coupling member. The first and second coupling members are configured to be received within the first and second referencing holes, respectively. The first and second coupling members each include corresponding first and second drill openings configured to align with the first and second referencing holes, respectively. The drill openings each guide a drilling tool toward the bone to drill corresponding holes in the bone. The main body also includes an alignment confirmation feature configured for confirming alignment of the patient-specific alignment guide relative to the bone before drilling holes in the bone. | 12-13-2012 |
20120316563 | BI-CRUCIATE KNEE SYSTEM - An instrument set and related method for preparing a proximal tibia during a bi-cruciate retaining procedure are disclosed. The instrument set can include a tibial resection block, a cut guide, and a locking arm. The tibial resection block can be configured to be fixed to an anterior portion of the proximal tibia. The tibial resection block can define a slot that extends in a medial-lateral direction when the tibial resection block is fixed to the proximal tibia. The cut guide can have a body, a medial arm, and a lateral arm. A medial cut slot can be defined between the body and the medial arm. A lateral cut slot can be defined between the body and the lateral arm. The cut guide can further comprise a tongue extending therefrom. The tongue can be configured to be received by and slidably translate along the slot of the tibial resection block. | 12-13-2012 |
20120310399 | PRE-OPERATIVE PLANNING AND MANUFACTURING METHOD FOR ORTHOPEDIC PROCEDURE - A pre-operative planning and manufacturing method for orthopedic surgery includes obtaining pre-operative medical image data representing a joint portion of a patient. The method also includes constructing a three-dimensional digital model of the joint portion and manufacturing a patient-specific alignment guide for the joint portion from the three-dimensional digital model of the joint portion when the image data is sufficient to construct the three-dimensional digital model of the joint portion. The patient-specific alignment guide has a three-dimensional patient-specific surface pre-operatively configured to nest and closely conform to a corresponding surface of the joint portion of the patient in only one position relative to the joint portion. The method further includes determining, from the image data, a size of a non-custom implant to be implanted in the patient and manufacturing the non-custom implant when there is insufficient image data to construct the patient-specific alignment guide therefrom. | 12-06-2012 |
20120310360 | EXTENDED ARTICULAR SURFACE RESURFACING HEAD - A modular humeral head resurfacing implant including a head, an anchoring stem, and a modular extended articulation flange. The head includes an exterior hemispherical articulating surface defining a terminating rim, an interior concave surface opposite to the exterior articulating surface, and a first coupling mechanism proximate to the terminating rim. The anchoring stem is coupled to the interior concave surface and extends along a stem axis that extends through an axial center of the head. The articulation flange includes a second coupling mechanism configured to cooperate with the first coupling mechanism to fasten the articulation flange to the head and an outer articulating surface that is curved along substantially its entire length and is substantially flush with the exterior hemispherical articulating surface when the articulation flange is fastened to the head. | 12-06-2012 |
20120310246 | Method And Apparatus For Implanting A Knee Prosthesis - A method for preparing a femur for receiving a prosthesis can include positioning an intramedullary (IM) member in the femur. A femoral trial component can be positioned onto a distal end of the femur. The femoral trial component can have an attachment portion and at least two cut surfaces thereon. A modular boss assembly can be attached to the attachment portion of the femoral trial component. The modular boss assembly can have a boss stem that is configured to operably connect to the IM member. A desired contact between the femoral trial component and the distal femur can be confirmed based on the attaching. The femoral trial component can be fixed to the distal femur based on the confirming. The modular boss assembly can be removed from the femoral trial component. A reamer bushing can be coupled relative to the femoral trial component. | 12-06-2012 |
20120303130 | Spring Base Glenosphere - A reverse modular humeral implant for implantation into a humerus that includes a natural humeral shaft and a natural humeral head. The implant includes a humeral stem implantable into the natural humeral shaft, and an adapter couplable to the humeral stem, the adapter including an anchoring projection configured to be coupled to a convex bearing. | 11-29-2012 |
20120303004 | BACKUP SURGICAL INSTRUMENT SYSTEM AND METHOD - A method for preparing surgical kits for use during a surgery includes preparing a pre-operative surgical plan for a patient and selecting a set of surgical instruments based on the pre-operative surgical plan. The set of surgical instruments includes at least a general instrument, a first size-specific instrument, a patient-specific instrument, and a surgeon-specific instrument. The general instrument is selected from a predetermined group of off-the-shelf instruments. The first size-specific instrument has a first size selected from predetermined sizes. The patient-specific instrument includes a three-dimensional contoured engagement surface configured to nest into a portion of a native anatomy in a single location. The surgeon-specific instrument is selected based on a surgeon preference and is a different instrument than the selected general instrument, first size-specific instrument, and patient-specific instrument. The method further includes preparing a surgeon instrument kit containing the set of surgical instruments in sterilized form. | 11-29-2012 |
20120296438 | KNEE JOINT PROSTHESIS SYSTEM AND METHOD FOR IMPLANTATION - A prosthesis system for replacing a knee joint between a femur and a tibia can include a first femoral component including a first condylar portion, a second condylar portion, a first sidewall extending superiorly from the first condylar portion and a second sidewall offset from the first sidewall a first distance and extending superiorly from the second condylar portion. A tibial component can have a bone engaging inferior surface and a bearing engaging superior surface. A bearing can have an inferior surface that engages the bearing engaging surface and a superior femoral engaging surface. The bearing can define an opening and a bearing keyway. A first yoke and a second yoke can each have an inferior portion, a superior portion, and a yoke keyway extending therethrough. | 11-22-2012 |
20120290020 | MICROFRACTURE PICK FOR FEMORAL HEAD - The present teachings provide one or more surgical implements for repairing damaged tissue, such as cartilage on the femoral head. A microfracture pick system for repairing cartilage on a femoral head is provided. The system can include a handle having a proximal end and a distal end. The system can also include an arcuate arm shaped to extend from the distal end of the handle and adapted to extend around the femoral head. The arcuate arm can have a distal tip extending toward the handle along a longitudinal axis of the handle. The system can also include an impaction member at the proximal end of the handle. | 11-15-2012 |
20120277880 | Modular Glenoid Prosthesis - The present teachings provide a modular glenoid prosthesis for replacing a portion of the anatomy. The prosthesis can comprise a platform having a coupling portion, a base and a central bore that extends from the coupling portion through the base. The central bore can define a tapered region, and the coupling portion can include a plurality of bores. The prosthesis can include a glenoid component having a plurality of pegs. Each of the plurality of pegs can be coupled to a respective one of the plurality of bores. The prosthesis can include a glenosphere including a tapered stem couplable to the tapered region. The glenoid component and the glenosphere are selectively couplable to the platform for replacing the portion of the anatomy. | 11-01-2012 |
20120277751 | PATIENT-SPECIFIC CONVERTIBLE GUIDES - A convertible patient-specific guide for use in arthroplasty has a body having a patient-specific three-dimensional undersurface closely mateable engageable in only one position with a corresponding joint surface of a specific patient. The convertible guide includes patient-specific guiding formations extending from the body and configured for guiding both a total arthroplasty of the joint and a partial arthroplasty of the joint, such that the arthroplasty to be performed is intraoperatively changeable. | 11-01-2012 |
20120271366 | PATIENT-SPECIFIC FRACTURE FIXATION INSTRUMENTATION AND METHOD - An instrument for internal bone fracture fixation includes a shaft having a distal portion and a patient-specific bone holder coupled to the distal portion. The bone holder has a three-dimensional curved and patient-specific bone engagement surface designed during a preoperative plan based on a medical scan of a patient to match and conform to an outer surface of a bone fragment of the patient in only one position. | 10-25-2012 |
20120267819 | ANTIOXIDANT DOPING OF CROSSLINKED POLYMERS AT HIGH PRESSURES - Methods for an antioxidant doped polymer in the form of an implant bearing component. The process includes: (a) contacting a crosslinked polymer with a liquid composition comprising an antioxidant, to provide an intermediate polymer with the antioxidant on its surface; and (b) homogenizing the intermediate polymer by raising the pressure to increase the onset melting temperature of the polymer, and then heating above the ambient onset temperature but below the raised onset melting point of the polymer. | 10-25-2012 |
20120265317 | PIVOTING TIBIAL TRAY - A tibial component for use with a resected tibia can include a medial tray portion adapted to engage a portion of the resected tibia and a lateral tray portion adapted to engage a portion of the resected tibia. A linkage can couple the medial tray portion to the lateral tray portion such that at least one of the medial tray portion and the lateral tray portion is pivotable relative to the other of the medial tray portion and the lateral tray portion to position the medial tray portion and the lateral tray portion at separate angles with respect to each other. | 10-18-2012 |
20120265316 | Prosthetic Device With Damper - A prosthetic joint assembly supports articulation of a joint. The joint assembly includes a first component configured to be fixed to an anatomical feature. The first component includes a first impact surface and a second component that engages the first component. The second component includes a second impact surface that impacts the first impact surface as the first component moves relative to the second component. Furthermore, at least one of the first impact surface and the second impact surface includes a dampening member that dampens energy resulting from impact of the first and second impact surfaces. | 10-18-2012 |
20120265208 | PATIENT-SPECIFIC NUMERICALLY CONTROLLED INSTRUMENT - A medical device for preparing a bone of a joint of a patient includes a numerically controlled instrument having a housing including a controller, a processor and a tool driver, a patient-specific reference guide removably couplable to the housing, and a cutting tool removably coupled to the tool driver. The patient-specific reference guide has a three-dimensional inner surface preoperatively configured to mirror and mate with a corresponding surface of a bone of a joint of a patient in only one position. The patient-specific reference guide is configured to automatically register the numerically controlled instrument to the patient's bone portion intraoperatively. The cutting tool is movable along a patient-specific tool path determined during the preoperative plan for preparing a portion of the bone. | 10-18-2012 |
20120261546 | Modular Articulating Cement Spacer - The present teachings provide a modular articulating cement spacer mold for forming a temporary implant comprising a mold first portion, a mold second portion, and a ventilation forming surface feature on an interior surface of at least one of the mold first portion or the mold second portion. The first mold portion and the second mold portion have corresponding interior surfaces that form a cavity therebetween. | 10-18-2012 |
20120253465 | Dual Tendon Bundle - The present invention relates generally to methods for preparing a dual tendon bundle that is useful as a replacement ligament or tendon graft for, for example, anterior cruciate ligament (ACL) reconstruction. More particularly, the dual tendon bundle prepared according to the present invention has a functional cross section diameter and/or a minimum length that meets or exceeds the standard requirements for replacement ligament or tendon grafts. The present invention further relates to the dual tendon bundle prepared by the disclosed methods and packages comprising the same. Methods of using the dual tendon bundle prepared according to the present invention by providing the dual tendon bundle thus obtained for implanting into a patient in need thereof are also provided. | 10-04-2012 |
20120245698 | SHOULDER PROSTHESIS - A prosthesis may include a stem, an adaptor and a head. The stem may include a longitudinal axis. The adaptor may include a first taper having a first taper axis of symmetry. The head may be rotatably supported by the adaptor and may include a semispherical articulating surface defined by a central axis of symmetry that is angled relative to the first taper axis of symmetry. The head may be coupled to the first taper and may be positionable relative to the stem through relative rotation between the head and the stem about the first taper axis of symmetry to adjust a radial offset of the head relative to the longitudinal axis of the stem. The head may be adapted to be received in a glenoid cavity of a scapula. | 09-27-2012 |
20120239159 | KNEE PROSTHESIS - A knee joint prosthesis assembly can include a femoral component that has a medial and a lateral condyle portion connected by a patellar track portion. The femoral component can form an opening between the medial and lateral condyles. A tibial component can have a medial portion that includes a first engagement structure and a lateral portion that includes a second engagement structure. A medial bearing can have a third engagement structure formed thereon that selectively engages the first engagement structure. A lateral bearing separately formed and independent from the medial bearing can have a fourth engagement structure formed thereon that selectively engages the second engagement structure. | 09-20-2012 |
20120232667 | SHOULDER PROSTHETIC - A shoulder implant assembly including a humeral stem, a head, a cup, and a taper adaptor. The humeral stem is configured to be inserted into a humerus bone. The head includes a metal substrate having a coupling taper and a polymeric cover mounted to the metal substrate having a convex outer surface and a generally planar base. The cup has a concave surface configured to articulate with the polymeric cover of the head. The taper adaptor is configured to mate with the coupling taper of the head. The taper adaptor is configured to connect the head to the stem when the cup is connected to a glenoid. The taper adaptor is configured to connect the head to the glenoid when the cup is connected to the humeral stem. | 09-13-2012 |
20120226283 | PATIENT-SPECIFIC ACETABULAR GUIDES AND ASSOCIATED INSTRUMENTS - A patient-specific acetabular guide can be used for preparing an acetabulum of a patient to receive an acetabular implant. The acetabular guide includes a patient-specific engagement surface designed to be complementary and mateable with a corresponding surface of the patient's pelvic anatomy. The acetabular guide is designed during a pre-operative plan for the patient by a three-dimensional reconstruction of the anatomy of the patient using two-dimensional medical images. The patient-specific engagement surface has a first portion mateable with a portion of the acetabulum of the patient. The acetabular guide includes a guiding element that extends from the acetabular guide opposite to the first portion of engagement surface. The guiding element defines a bore designed to be oriented along an alignment axis for an acetabular implant when the acetabular guide is engaged to the acetabulum. | 09-06-2012 |
20120226282 | METHOD AND APPARATUS FOR IMPLANTING A MODULAR FEMORAL HIP - A method of implanting a prosthetic component is disclosed that includes attaching a guide rod to the prosthetic component, removably coupling the guide rod to a shaft extending from a handle, and positioning the prosthetic component in an anatomical feature. The method also includes impacting an impaction portion of the handle and uncoupling the guide rod from the shaft, leaving the guide rod attached to the prosthetic component. The method further includes positioning a reamer over the guide rod to create a reamed opening in the anatomical feature. | 09-06-2012 |
20120221113 | ELBOW PROSTHESIS - An elbow prosthesis according to the present teachings can include a stem structure and an articulating component. The stem structure can be operable to be positioned in a bone of a joint. The stem structure can include a stem portion that is operable to be positioned in the bone and a C-shaped body portion having a first retaining mechanism formed thereon. The articulating component can have a second retaining mechanism formed thereon. One of the first and second retaining mechanisms can comprise an extension portion and a first anti-rotation portion. The other retaining mechanism can comprise a receiving portion and a second anti-rotation portion. The articulating component can be advanced from an insertion position to an assembled position, such that the first and second mechanisms cooperatively interlock to inhibit translation and rotation of the articulating component relative to the C-shaped body portion of the stem structure. | 08-30-2012 |
20120209276 | DEVICE FOR THE RESECTION OF BONES, METHOD FOR PRODUCING SUCH A DEVICE, ENDOPROSTHESIS SUITED FOR THIS PURPOSE AND METHOD FOR PRODUCING SUCH AN ENDOPROSTHESIS - The present invention refers to a device for the resection of bones ( | 08-16-2012 |
20120201856 | Use of Mycobacterium Bovis BCG killed by Extended Freeze Drying (EFD) For Preventing or Treating Atherosclerosis | 08-09-2012 |
20120197262 | Method and Apparatus for Aligning Bone Screw Holes - A method for estimating at least one of a fastener-hole depth and a fastener length prior to forming a hole in a bone can include selecting a position on a proximal side of a proximal cortical bone layer for forming the hole, transmitting a transmitted wave into the bone from the selected position, and receiving a reflected wave at the selected position after the transmitted wave has been reflected by a distal cortical bone layer. The method can further include determining a distance from the selected position to the distal cortical bone layer based on times at which the transmitted wave is transmitted and the reflected wave is received, and estimating the at least one of the fastener-hole depth and the fastener length based on the distance to the distal cortical bone layer. | 08-02-2012 |
20120197255 | Lockable Intramedullary Fixation Device - An orthopedic device is provided. The orthopedic device can include an intramedullary implant defining a longitudinal bore along a longitudinal axis. The intramedullary implant can define at least one bore formed along an axis for receipt of a fastener. The orthopedic device can include a fixation device receivable within the longitudinal bore. The fixation device can have at least one guiding bore formed along a guiding axis transverse to the longitudinal axis. The orthopedic device can include at least one collet received within the at least one guiding bore for positioning and locking the fastener at a variable angle relative to the guiding axis of the fixation device and the axis of the intramedullary implant. | 08-02-2012 |
20120195971 | Method for Preparing Mechanically Macerated Demineralized Bone Materials and Compositions Comprising the same - The present invention relates generally to methods for preparing mechanically macerated demineralized bone materials that are useful in, or as, implants having a variety of orthopedic applications. More particularly, the demineralized bone materials prepared according to the present invention comprise web-like sections that are compression- and extrusion-resistant and thus, suitable for use in, or as, bone implants or bone grafting materials. Additionally, the web-like morphology increases the surface area of the graft and thereby facilitates the rehydration of the graft, should it be freeze dried. The increased surface area also allows for increased contact with autologous growth factors. The present invention further relates to the demineralized bone materials prepared by the disclosed methods and compositions comprising the same. Methods for preparing a bone void for orthopedic applications, such as bone implants, using the demineralized bone materials or compositions thus prepared are also provided. | 08-02-2012 |
20120191201 | REVERSE SHOULDER PROSTHETIC - A reverse modular humeral implant for implantation into a humerus that includes a natural humeral shaft and a natural humeral head. The implant includes a humeral stem implantable into the natural humeral shaft, and an adapter couplable to the humeral stem, the adapter including an anchoring projection configured to be coupled to a convex bearing. | 07-26-2012 |
20120150311 | METHOD AND APPARATUS FOR ACETABULAR RECONSTRUCTION - A trial system for a prosthesis is described. The prosthesis can include an acetabular prosthesis generally for implantation in an acetabulum and the surrounding pelvis. The acetabular prosthesis includes an acetabular cup having a substantially concave inner surface and a substantially convex outer surface. One trial shell or a collection of trial shells are provided to trial a range of motion of the hip joint before implanting a shell prosthesis into the acetabular prosthesis. | 06-14-2012 |
20120150307 | Pyrocarbon Orthopedic Implant - An orthopedic prosthetic device having at least one pyrocarbon insert is provided. The prosthetic device can include a prosthetic component having an articulating surface and a bone engagement surface. The articulating surface can be formed of a material that is distinct from pyrocarbon and is arranged to receive the at least one pyrocarbon insert so as to position a pyrocarbon articulating surface of the at least one pyrocarbon insert relative to the prosthetic component articulating surface. | 06-14-2012 |
20120150189 | FEMORAL GUIDE FOR IMPLANTING A FEMORAL KNEE PROSTHESIS - Disclosed is a method of selecting a femoral prosthetic for implantation relative to a femur using a femoral sizing guide. An extension portion of the femoral sizing guide is placed adjacent to a posterior condyle surface of the femur. A stylus is located proximate to an interior condyle surface of the femur. A first actuator disposed between the extension portion and a base portion is moved to rotatably displace the extension portion with respect to the base portion until the stylus is centrally located on top of the interior condyle. A measurement of the femur is identified with the sizing guide based on a relative location of the stylus, the extension portion and the base portion. A femoral prosthesis is selected based on the measurement. | 06-14-2012 |
20120143343 | Multi-Bearing Acetabular Prosthesis - A prosthesis to replace a portion of the anatomy, such as the acetabulum, can include a first portion. A second prosthesis portion can be positioned relative to the shell to provide the bearing surface to articulate with a femoral head prosthesis or femoral head. The second prosthesis portion can include a connection portion to engage a connection portion in the shell. | 06-07-2012 |
20120109331 | Acetabular Cartilage Implant - Disclosed is a system for replacing a portion of cartilage in an acetabulum. A prosthesis can be positioned within an acetabulum to form a portion of the articulation surface within the acetabulum and to articulate with a femoral bone. For example, an acetabular prosthesis can be implanted to articulate with the natural femoral head. | 05-03-2012 |
20120109328 | Acetabular Labrum Implant - A labrum implant can include a body portion and an attachment member. The body portion can be formed of a biocompatible flexible polymer and can include a base, an opposed upper end opposite the base, an interior femoral head engaging side, and an opposed exterior side. The interior side can include an arcuate shape in cross-section adapted to conform to an articular surface of a femoral head. The body portion can include an arcuate shape in plan view adapted to conform to at least a portion of a rim of an acetabulum and a plurality of bores extending therethrough from the upper surface or the exterior side to the base. The attachment member can include at least a portion coupled to at least one of the bores and can be adapted to secure the implant to the acetabular rim such that the base engages the acetabular rim. | 05-03-2012 |
20120109323 | Modular Prosthesis And Use Thereof For Replacing A Radial Head - A tool provides for coupling a first prosthetic to a second prosthetic. The tool can include a first arm having a first concave bearing surface configured to apply a force in a first direction. The tool can also include a second arm having a hook shaped member. The hook shaped member can have a second concave bearing surface configured to apply a force in a second direction opposite the first direction. The first arm and the second arm can be generally parallel, and the first arm can be translatable with respect to the second arm. The tool can include a translation force mechanism, which can apply force to the first arm and the second arm so as to cause generally parallel translation of the first arm and second arm. | 05-03-2012 |
20120109321 | Modular Humeral Head Resurfacing System - A set of surgical components for use in a joint arthroplasty to reconstruct a head of a joint is provided. The set of surgical components can include a head member having a first articulating surface opposite a first fixation surface. The first fixation surface can define a first portion that extends outwardly from the first fixation surface. The set of surgical components can include a base member having a fixation peg with three generally triangular fins and a second fixation surface defined as a recess within a top surface of the fixation peg. The first portion of the head member can be received within the recess of the base member to couple the head member to the base member. | 05-03-2012 |
20120109138 | PATIENT-SPECIFIC ACETABULAR GUIDE AND METHOD - A method for inserting an acetabular cup into an acetabulum of a patient includes inspecting a preoperative plan including a three-dimensional image of a patient's acetabulum, selecting at least one of a patient-specific anteversion angle and a patient-specific abduction angle, and approving the preoperative plan. The method also includes preparing the patient's acetabulum for implantation, positioning a patient-specific first surface of an acetabular guide around a matched acetabular rim surface of the patient, and inserting an acetabular cup through an opening of the acetabular guide, the opening having a cylindrical inner surface oriented at the selected at least one of the patient-specific anteversion angle and patient-specific abduction angle. | 05-03-2012 |
20120109102 | CANNULATED SYRINGE - A set of instruments configured to deliver a therapy to a bone can include a cannulated syringe. The cannulated syringe can extend along a longitudinal axis between a proximal and a distal end. The cannulated syringe can have an inner tube and an outer tube that are interconnected at the distal end as a single fixed unit. A first cannulation can be formed along the longitudinal axis of the cannulated syringe within the inner tube and a second cannulation can be formed within an annular space between the inner and outer tubes. The outer tube can define an opening through a sidewall thereof. The cannulated syringe can be closed from fluid communication between the inner and outer tubes. | 05-03-2012 |
20120095565 | Method And Apparatus For Wrist Arthroplasty - A method of implanting a prosthesis relative to a carpal complex of a wrist is provided. The method can include providing a carpal implant having a body including an ulnar flange and a radial flange, and locating a bone abutment surface of the ulnar flange against a triquetrum of the carpal complex. The method can also include locating a bone abutment surface of the radial flange against a scaphoid of the carpal complex, and locating a first dorsal flange extending from the ulnar flange against a posterior surface of the triquetrum. | 04-19-2012 |
20120095469 | Method and Apparatus for Harvesting Cartilage for Treatment of a Cartilage Defect - A method for treating a cartilage defect can include identifying an area of excessive boney growth on at least one of a femoral head and a femoral neck of a patient where the excessive boney growth area is covered with articular cartilage. A portion of the articular cartilage can be harvested from the identified area of excessive boney growth and an area of cartilage damage in an acetabulum of the patient can be identified. The harvested portion of the articular cartilage can be implanted into the identified area of cartilage damage in the acetabulum. | 04-19-2012 |
20120095466 | Orthopedic Plate Assembly for a Distal Radius Having Re-Contouring Features and Method for Using Same - An orthopedic plate assembly for supporting a bone can include a y-shaped first plate and a second plate separate from the first plate. The first plate can be attached to the bone and have a center line. The first plate can include an elongate body attachable to a first portion of the bone and extending along the center line and first and second arms transversely extending from an end of the body. The first and second arms can define an aperture in the first plate. The second plate can be attached to the bone. The second plate can have a first end and a second end opposite the first end configured to be disposed on and engaged with the first arm and the second arm, respectively. The second plate can be configured to span the aperture transverse to the center line when engaged with the first and second arms. | 04-19-2012 |
20120083892 | Modular Radial Head Prostheses - According to various embodiments, provided is a prosthesis system for replacement of a head portion of a proximal radius. The system can include a first polymeric articulation component having a first locking portion and a metal head component having a second locking portion. The second locking portion can mate with the first locking portion to form a first locking mechanism to initially couple the first articulation component to the head component. The head component can define a locking channel. The system can also include a stem component having a protrusion receivable in the locking channel. The protrusion can define a bore, and the stem component can be adapted to be coupled to the radius. The system can also include a fastener received through the locking channel and into the bore to provide a second locking mechanism that couples the head component to the stem component. | 04-05-2012 |
20120078376 | Method And Apparatus For Wrist Arthroplasty - A method of implanting a distal radial wrist implant relative to a host radius while salvaging at least portions of fractured radial bone can include, determining a size of a host radius. A distal radial component can be selected based on the determination. The distal radial component can have a body that includes a first connection portion. A stem portion can be selected based on the determination. The stem portion can have a second connection portion. Portions of the fractured radial bone can be located around the body. The portions of the fractured radial bone can be secured relative to the body. The first connection portion of the distal radial component can be coupled with the second connection portion of the stem portion. The distal radial implant can be implanted relative to the host radius. | 03-29-2012 |
20120078375 | VARIABLE PROSTHESIS - The present teachings are directed to a shoulder prosthesis having an adjustable radial offset and/or angular inclination provided by relative rotation of an adapter interdisposed between a stem and a head. In one example, a prosthesis has a stem having a first longitudinal axis. The prosthesis can also include an adaptor including a first taper. The first taper can have a first taper axis. The prosthesis can include a head supported by the adaptor. The head can be selectively oriented and then coupled to the first taper and the combination can be selectively orientated and the coupled to the stem. | 03-29-2012 |
20120078259 | PATIENT-SPECIFIC GUIDE FOR PARTIAL ACETABULAR SOCKET REPLACEMENT - A device for partial acetabular replacement includes a patient-specific acetabular guide. The acetabular guide has a first surface configured to nestingly mate in only one position to the patient's acetabulum. The acetabular guide includes a patient-specific guiding formation configured to guide a cutting tool to remove damaged tissue from a defect of the patient's acetabulum and prepare a patient-specific implantation slot corresponding to the defect after removal of the damaged tissue. A patient-specific partial acetabular implant can be configured to nestingly mate with the patient-specific implantation slot. | 03-29-2012 |
20120071893 | Robotic Guided Femoral Head Reshaping - A method of performing hip surgery with a robotic guided system on a patient with femoral acetabular impingement can include identifying the femoral acetabular impingement on the patient. Data related to a proximal femur and an acetabulum of the patient is acquired. A three-dimensional model of at least one of the patient's proximal femur and acetabulum is created based on the data acquired. A location and amount of bone to be removed is determined. Dynamic movement limits of a cutting tool associated with the robotic guided system is set based on the determination. The determined bone of at least one of the proximal femur and acetabulum is removed with the tool while being inhibited from moving the tool outside of the dynamic limit by the robotic guided system. | 03-22-2012 |
20120065736 | ACETABULAR CUP FIXATION - An acetabular cup system includes an acetabular cup having a wall with an inner surface and an outer surface. The acetabular cup includes a fixation opening through the wall, the fixation opening including a first wall portion adjacent to the inner surface and a second wall portion adjacent to the outer surface. The acetabular cup system also includes a fixation fastener including a head and a shaft with a bone-anchoring portion. The fastener can be inserted though the fixation opening. The head includes a first head portion engageable with the first wall portion and a second head portion engageable with the second wall portion. | 03-15-2012 |
20120065640 | PATIENT-SPECIFIC KNEE ALIGNMENT GUIDE AND ASSOCIATED METHOD - An orthopedic device for preparing a knee joint for a prosthesis in a patient includes a femoral alignment guide. The femoral alignment guide has a patient-specific three-dimensional curved inner surface preoperatively configured from medical image scans of the knee joint of the patient to nestingly conform and mate and match only in one position to a corresponding three-dimensional femoral surface of a joint surface of the patient. The femoral alignment guide has a first guiding aperture corresponding to a distal portion of the femoral surface and a second guiding aperture corresponding to an anterior portion of the femoral surface. | 03-15-2012 |
20120046755 | Prosthetic Hip Device and Associated Method - A prosthetic device for replacement of a first pelvic portion of a pelvis of a patient opposite to a second pelvic portion relative to a median plane includes an acetabular component a flange component and a pubis component. The acetabular component has a first connecting portion and a second connecting portion at an angle relative to the first connecting portion, the angle selected for a corresponding anatomy of the patient. The flange component is coupled to the first connecting portion and configured to attach to a healthy pelvic portion on a same side of the median plane from the first pelvic portion. The pubis component is connected to the second connecting portion of the acetabular component and having a clamping portion configured to attach to a healthy pubis bone on an opposite side of the median plane from the first pelvic portion. | 02-23-2012 |
20120035733 | PROSTHETIC HAVING A MODULAR SOFT TISSUE FIXATION MECHANISM - A method and apparatus for coupling soft tissue to a prosthetic is disclosed. Soft tissue attachment pads having porous metal attachment regions and suture accepting holes are selectively positioned onto an implantable prosthetic to provide coupling locations. | 02-09-2012 |
20120029648 | KNEE PROSTHESIS WITH ROTATABLE POST - A knee joint prosthesis for implantation to replace a portion of a knee joint. The knee joint prosthesis includes a tibial tray and a bearing member that engages the tibial tray. The prosthesis also includes an insert with a base that is fixed to the bearing member and an extension portion that extends away from the bearing member and the tibial tray. The extension portion has an axis, and the extension portion includes a threaded portion. The prosthesis further includes a post that is rotatably coupled to the extension portion, and the post is rotatable about the axis of the extension portion relative to the insert. Furthermore, the prosthesis includes a retention member that threadably couples to the threaded portion of the insert to limit movement of the post along the axis away from the bearing member and the tibial tray. | 02-02-2012 |
20120029647 | Shoulder Implant Assemby - An implant assembly and associated method for selectively performing reverse and traditional arthroplasty for a shoulder joint that includes a humerus and a glenoid. The implant assembly may include a head, a cup, a humeral stem and an adaptor. The method includes inserting the humeral stem to the humerus and connecting a male taper of the adaptor to a female taper of the head. For reverse arthroplasty, the method includes attaching the adaptor to the glenoid and the cup to the stem. For traditional arthroplasty, the method includes attaching the adaptor to the humeral stem and the cup to the glenoid. The method also includes articulating the head with the cup. | 02-02-2012 |
20110320004 | Method And Apparatus For Performing A Less Invasive Shoulder Procedure - A method for performing an arthroplasty on at least one of a glenoid or a humerus of a glenohumeral joint. The method includes the following: forming an entry incision in soft tissue superior and lateral to the glenohumeral joint; forming a passage from the entry incision to the glenohumeral joint; inserting a cutting instrument through the passage and cutting a humeral head of the humerus to prepare the humerus to receive an implant including a stem; inserting the implant through the passage; and securing the implant relative to the humerus with the implant oriented such that the stem extends substantially parallel to a longitudinal axis of the humerus. | 12-29-2011 |
20110295376 | Method And Apparatus For Trialing A Modular Humeral Head - The present disclosure is directed to a modular shoulder prosthesis measuring device having an adjustable radial offset provided by relative rotation of an adapter interdisposed between the stem and the head. Specifically, the interface configuration between the stem and the adapter, as well as between the adapter and the head are designed such that relative positioning of these components provides a continuous adjustment in the radial offset. Indicia are provided to precisely determine the magnitude and direction of the adjustment being made. | 12-01-2011 |
20110272862 | SOLID STATE DEFORMATION PROCESSING OF CROSSLINKED HIGH MOLECULAR WEIGHT POLYMERIC MATERIALS - Solid-state deformation processing of crosslinked high molecular weight polymers such as UHMWPE, for example by extrusion below the melt transition, produces materials with a combination of high tensile strength and high oxidative stability. The materials are especially suitable for use as bearing components in artificial hip and other implants. Treated bulk materials are anisotropic, with enhanced strength oriented along the axial direction. The material is oxidatively stable even after four weeks of accelerated aging in a pressure vessel containing five atmospheres of oxygen (ASTM F2003). Because of its oxidative stability, the deformation processed material is a suitable candidate for air-permeable packaging and gas sterilization, which has thus far been reserved for remelted crosslinked UHMWPE. | 11-10-2011 |
20110257758 | SPLINED TAPERED MODULAR DISTAL STEM WITH PROXIMAL POROUS COATING - A modular femoral hip joint prosthesis can include a proximal femoral body having a distal end and a proximal end. The proximal end can be adapted to mate with a femoral head. A femoral stem can have a proximal section and a distal section. The femoral stem can be adapted to matingly connect with the distal end of the proximal femoral body. The proximal section can have a porous metal coating that is adapted to facilitate bony ingrowth. The distal section can have at least one spline formed along an outer surface. | 10-20-2011 |
20110251698 | METHODS FOR MAKING TEXTURED CERAMIC IMPLANTS - A ceramic implant having a rough surface texture and a method for forming the same. The method includes forming a green body of a first ceramic composition. The green body is reduced to smaller pieces thereby forming ceramic fragments. A mold is filled with a second ceramic composition to form a ceramic base. Ceramic fragments are added to the mold and an outer layer is formed over at least a portion of the ceramic base. Pressure is applied to the mold to compress the outer layer onto the ceramic base and to form a green assembly. The green assembly is sintered to form a ceramic implant having a rough surface texture. | 10-13-2011 |
20110230972 | ELBOW RESURFACING PROSTHESIS - A method and apparatus for replacing a selected portion of the anatomy is described. In particular, a prosthesis can be provided to replace a portion of an articulating joint, such as an elbow. The apparatus can be modular for various reasons and each of the modular portions can include a different dimension to achieve a selected result. | 09-22-2011 |
20110230889 | DISTAL FEMORAL CUTTING GUIDE - A method of positioning a femoral cutting guide on a distal end of a femur establishes at least a first reference plane to perform a distal femoral planar cut. The method includes inserting a mounting member into an intramedullary canal of the femur and coupling a bridge member to the mounting member. The method also includes placing a cutting guide member over a medial anterior portion of the distal femur. The cutting guide member has a first channel that establishes the first reference plane. The bridge member has a bridge channel. A wall of the bridge channel is inserted into the first channel of the cutting guide member. A mounting mechanism generates resistance between the bridge member and the cutting guide member. The resistance is overcome by positioning the cutting guide member relative to the femur. | 09-22-2011 |
20110224674 | PATIENT-SPECIFIC ACETABULAR ALIGNMENT GUIDES - An acetabular device includes a patient-specific acetabular alignment guide including a bone engagement surface. The bone engagement surface has a first portion configured and shaped to be conforming and complementary to an acetabular rim surface and a second portion configured and shaped to be conforming and complementary to a periacetabular area of an acetabulum of a patient. The acetabular alignment guide includes a plurality of guiding formations extending through the second portion for guiding a plurality of alignment pins therethrough. The bone engagement surface and the plurality of guiding formations are prepared from a three-dimensional model of the acetabulum of the specific patient reconstructed pre-operatively from a scan of the patient. | 09-15-2011 |
20110218644 | DRUG DELIVERY AND DIAGNOSTIC SYSTEM FOR ORTHOPEDIC IMPLANTS - A drug delivery and diagnostic system can include an orthopedic implant having an outer attachment surface. A conduit can be coupled to the outer attachment surface. The conduit can have an inlet and a plurality of perforations formed along a length thereof. The conduit can be adapted to pass fluid between the inlet and the perforations. A subcutaneous port can be fluidly coupled to the inlet and be adapted to communicate fluid through the inlet, along the conduit and out of the perforations around and along the outer attachment surface of the orthopedic implant. | 09-08-2011 |
20110218641 | Modular Lateral Hip Augments - An implant for a hip can include a lateral augment adapted to be coupled to a lateral side of a femoral body implant. The lateral augment can include a body portion having a first surface, a second surface opposite the first surface, and a protrusion extending from the second surface. The protrusion can have a shape adapted to mate with a complimentary shaped recess formed in the lateral side of the femoral body implant. An aperture can be positioned in the body portion and extend through the protrusion. A fastener can be received through the aperture and adapted to be threadably secured to the lateral bore. The fastener can be configured to have a length sufficient to pass through a portion of a greater trochanter for securing the portion of the greater trochanter and the lateral augment to the femoral body implant. | 09-08-2011 |
20110218640 | Method and Apparatus for Trialing and Implanting a Modular Femoral Hip - A modular femoral hip implant trialing system. The system generally includes a proximal body, a fastener, and a fastener retention member. The proximal body includes a proximal bore, a tapered distal bore, and a passageway connecting the proximal bore to the distal bore. The proximal bore, the distal bore, and the passageway are aligned along a first axis. The fastener includes a head in the proximal bore and a stem in the distal bore, the fastener is aligned along the first axis. The fastener retention member is positioned in the proximal bore and is operable to retain at least a portion of the fastener within the proximal bore. | 09-08-2011 |
20110218636 | Guide Assembly for Lateral Implants and Associated Methods - An assembly for use in guiding a lateral fastener into a lateral bore of a femoral body implant. The assembly can include an outrigger having an arm portion, a leg portion extending from the arm portion, and an alignment tube extending from the leg portion. The assembly can further include a support pad and an adjustable shaft member coupled to the support pad and the leg portion. A quick-release system can adjustably maintain a position of the shaft member relative to the leg portion. | 09-08-2011 |
20110218583 | Assembly Tool for Modular Implants and Associated Method - An assembly tool comprises in an assembled configuration a proximal implant fastener, a distal implant fastener, and a compression member. The assembly tool is operable to hold in the assembled configuration a proximal implant partially engageable with a distal implant during implantation and axial impaction. Axial impaction is exerted through the compression member of the assembly tool. The assembly tool is also operable to securely lock the tapers of proximal and distal implants after impaction by rotating the compression member. | 09-08-2011 |
20110218582 | Method and Apparatus for Implanting a Modular Femoral Hip - An insertion system for implanting a prosthetic component includes a handle, a shaft, and a guide rod. The handle includes an impaction portion. The shaft extends from and is fixed to the handle. The guide rod is removably coupled to the shaft and includes a proximal end adapted to be rotationally fixed within the impaction portion and a distal end adapted to attach to the prosthetic component. | 09-08-2011 |
20110218545 | PATIENT-SPECIFIC COMPUTED TOMOGRAPHY GUIDES - An orthopedic device for joint arthroplasty includes a patient-specific alignment guide constructed and configured for a specific patient from medical scans that show a bone surface of a bone of the patient without any overlying soft tissue. The patient-specific alignment guide includes a patient-specific inner surface configured to be offset from and mimic the bone surface and form a clearance for soft tissue overlying the bone surface. The alignment guide also includes a plurality of patient-specific contact areas configured to mate and register directly on the bone surface without intervening soft tissue for direct bone registration. The plurality of patient-specific contact areas includes non-contiguous surface contact areas. | 09-08-2011 |
20110218537 | Method and Apparatus for Preparing a Proximal Femur - A system for preparing a proximal femur can include a broach that includes a broach body having an anterior side, a posterior side, a lateral side and a medial side. The medial side can have a roughened cutting surface. The lateral side can have a smooth, non-cutting surface. The system can further comprise a cutting scribe assembly and a cutting guide assembly. | 09-08-2011 |
20110208316 | LATENT MOBILE BEARING FOR PROSTHETIC DEVICE - A prosthetic device for an anatomical feature includes a prosthetic member able to be fixed to the anatomical feature. The device also includes a bearing including a bearing surface able to support an articulating surface for articulation thereon. Additionally, the device includes a bearing restraining member that limits movement of the bearing relative to the prosthetic member at a first time. The bearing restraining member also allows for increased movement of the bearing relative to the prosthetic member at a second time without surgical intervention. | 08-25-2011 |
20110202141 | METHOD AND APPARATUS FOR AUGMENTING BONE DEFECTS - A bone augment for repairing a bone defect. The bone augment includes a porous body and a metallic liner. The porous body defines a bore and is configured to be intraoperatively shaped to correspond to the bone defect. The metallic liner is injection molded within the bore such that portions of the liner interlock with pores of the porous body. The metallic liner is operable to mount an implant to the bone augment. | 08-18-2011 |
20110202139 | PROSTHETIC DEVICE WITH DAMPER - A prosthetic joint assembly supports articulation of a joint. The joint assembly includes a first component configured to be fixed to an anatomical feature. The first component includes a first impact surface and a second component that engages the first component. The second component includes a second impact surface that impacts the first impact surface as the first component moves relative to the second component. Furthermore, at least one of the first impact surface and the second impact surface includes a dampening member that dampens energy resulting from impact of the first and second impact surfaces. | 08-18-2011 |
20110190907 | Transdermal Intraosseous Device - A transdermal intraosseous device includes a transdermal adapter for an external prosthetic device for a bone of a patient and a bone fixator including a distal portion coupled to the transdermal adapter and a proximal portion for anchoring into the bone. The transdermal adapter includes a dome-shaped portion for transcutaneous implantation and an external shaft extending from the dome-shaped portion. A dermal transition structure is configured to include a controlled roughness gradient from the external shaft to the dome-shaped portion and configured for use in infection control at a dermis layer of the patient. | 08-04-2011 |
20110190903 | CONTINUOUS PHASE COMPOSITE FOR MUSCULOSKELETAL REPAIR - A composite material for positioning in the anatomy to form a selected function therein. The composite may be resorbable over a selected period of time. The composite may allow for selected bone ingrowth as absorption of the composite occurs. | 08-04-2011 |
20110190899 | PATIENT-SPECIFIC AUGMENTS - A patient-specific augment can be attached to an implant component for a bone of a joint of a patient. The patient-specific augment has first and second surfaces. The first surface is a three-dimensional patient-specific surface that closely matches and can mate to a substantially unaltered and unresected surface of a bone defect of the specific patient only in one position. The second surface is designed to engage a non-custom surface of the implant. | 08-04-2011 |
20110184527 | Modular Proximal Interphalangeal Joint - A modular proximal interphalangeal joint implant assembly including a first stem component, a second stem component, and an articulation assembly. The first stem component includes a first locking device and is operable to be implanted in a proximal phalanx bone. The second stem component includes a second locking device and is operable to be implanted in a middle phalanx bone. The articulation assembly includes a first articulation component operable to be removably attached to the first locking device and a second articulation component operable to be removably attached to the second locking device. The articulation assembly can include a semi-constrained articulation assembly or a constrained articulation assembly. | 07-28-2011 |
20110184526 | PATIENT-MODIFIED IMPLANT - An orthopedic implant includes a first portion including at least one feature modified to be patient-specific and match the anatomy of a specific patient from a three-dimensional digital image of a patient's joint using computer modeling. The orthopedic implant includes a non-custom inner bone-engaging surface including a plurality of planar surfaces configured for engagement with non-custom bone cuts. | 07-28-2011 |
20110184419 | PATIENT-SPECIFIC ACETABULAR GUIDES AND ASSOCIATED INSTRUMENTS - A method for preparing a joint surface of a patient for an implant, such as, for example, an acetabular implant for a hip joint. According to the method, a patient-specific guide is attached to a complementary joint surface of the patient. The patient-specific guide includes a guiding element oriented along a patient-specific alignment axis. The alignment axis is determined during a preoperative plan of the patient for implant alignment. A shaft of a guiding tool is removably coupled to the guiding element of the guide. A three-dimensional orientation device is removably attached to the shaft of the guiding tool. A position of a bubble of the orientation device is marked with a mark on an outer transparent surface of the orientation device while the guiding tool is oriented along the alignment axis. The marked orientation device can be used for aligning other instruments during the procedure. | 07-28-2011 |
20110178604 | Expandable Endoprosthesis - An implantable device includes a first implant component implantable into a first bone portion, a second implant component implantable to a second bone portion and a third implant component comprising a shape-memory polymer. The second implant component is telescopically coupled to the first component. The third implant component is held between the first and second components. The third implant component passively expands from a first dimension to a second dimension during a selected time interval after implantation. | 07-21-2011 |
20110172781 | ELBOW PROSTHESIS - An elbow prosthesis can include a capitellar implant that has an articulating head and a stem. The articulating head can have a first substantially hemispherical portion and a second portion that collectively extend between lateral and medial sides of the articulating head and are separated by a plane. The first and second portions can generally extend between the lateral and medial sides. The second portion can generally have an attachment lobe that extends on the lateral side and that defines a passage therethrough. The passage can extend at least partially on the second portion. | 07-14-2011 |
20110172672 | INSTRUMENT WITH TRANSPARENT PORTION FOR USE WITH PATIENT-SPECIFIC ALIGNMENT GUIDE - A system for orienting objects relative to an anatomical feature of a patient includes a guide with a reference guide surface. The system also includes a referencing object that is guided by the reference guide surface toward the anatomical feature to be fixed to the anatomical feature in a reference orientation relative to the anatomical feature. Moreover, the system includes an instrument with at least a portion that is transparent. The referencing object is viewable through the transparent portion of the instrument to align the referencing object with the instrument and to orient the instrument in the reference orientation relative to the anatomical feature. | 07-14-2011 |
20110166578 | ALIGNMENT GUIDES WITH PATIENT-SPECIFIC ANCHORING ELEMENTS - An orthopedic device for joint arthroplasty includes an alignment guide and a number of patient-specific anchoring elements. The alignment guide can be mounted on a bone of a patient during joint arthroplasty. The patient-specific anchoring elements extend from an inner surface of the alignment guide and have a patient-specific length relative to an outer bone surface of the bone of the patient. | 07-07-2011 |
20110160867 | PATIENT-SPECIFIC TOOLS AND IMPLANTS - A method for preparing a femoral neck for receiving a neck implant includes obtaining image data of a proximal femoral bone and femoral neck of a patient by a medical imaging method and constructing a three-dimensional image model of the proximal femoral bone and neck of the patient using the image data. The method further includes identifying a three-dimensional cortical boundary surface at an interface between cortical and cancellous bone of the patient using the image model. A patient-specific broach having a three-dimensional cutting surface closely matching and complementary to the cortical boundary surface of the patient using the image model is designed and manufactured. | 06-30-2011 |
20110160736 | PATIENT-SPECIFIC FEMORAL GUIDE - A medical device for preparing an elongated bone, such as a proximal femoral bone, for receiving an implant includes a patient-specific femoral guide and an elongated alignment element. The femoral guide has a patient-specific three-dimensional bone-engaging surface configured according to a preoperative plan based on a three-dimensional image model of the femoral bone to mate complementarily with the surface of the proximal femoral bone extending between the greater trochanter, the femoral neck and the femoral shaft of the proximal femur. The femoral guide includes a first guide end forming a planar guide configured for guiding a neck resection. The alignment member can be removably attached to the femoral guide and defines a reference axis for guiding a cutting tool into the femoral bone through a resected surface of the femoral neck. | 06-30-2011 |
20110144759 | MODULAR PROSTHESIS AND USE THEREOF FOR REPLACING A RADIAL HEAD - A modular prosthesis system for replacement of a head portion of a proximal radius includes a monolithic stem component, a head component, and a locking mechanism formed by the stem and head components. The stem component defines a stem anchoring portion having a longitudinal axis and configured to couple to the proximal radius, and a dovetail-shaped first mounting portion on a first end face that extends in a first direction transverse to the longitudinal axis. The head component has a dovetail-shaped second mounting portion on a second end face opposite the first end face slidably engaged with the first mounting portion along the first direction. One of the first and second mounting portions intersects the longitudinal axis. The locking mechanism is formed at an interface between the stem and head components and is engaged through relative translational movement between the stem and head components. A related method is provided. | 06-16-2011 |
20110143127 | METHODS FOR COATING IMPLANTS - An implant and method for applying an osteoconductive coating on a non-conductive surface of an implant. The method includes depositing an electroconductive interlayer on at least a portion of a non-conductive implant surface. A secondary process is applied to the interlayer and an osteoconductive coating is thereby formed on the implant. In various embodiments, the electroconductive interlayer is deposited as a non-structural film and comprises a dense, non-porous metal such as titanium, titanium alloys, cobalt, cobalt alloys, chromium, chromium alloys, tantalum, tantalum alloys, iron alloys, stainless steel, and mixtures thereof. The osteoconductive coating may include a metal, a porous metal, or calcium phosphate. The osteoconductive coating may include additional agents, such as bone product, growth factor, bioactive agent, antibiotic, or combinations thereof. | 06-16-2011 |
20110130762 | Method for Less Invasive Knee Resection - Various method and apparatuses may be used to perform a procedure, such as a resection of a portion of the anatomy for preparation of the implants of a prosthetic. Various resecting member, including saw blades having selected geometries and shapes, can be used to assist in the resection of an anatomy to provide for implantation of a prosthetic. In addition, a cutting block assembly may be used to guide the resecting member. The cutting block assembly may be moveably mounted relative to the portion to be resected. | 06-02-2011 |
20110125276 | MODULAR PROSTHESIS AND USE THEREOF FOR REPLACING A RADIAL HEAD - A modular prosthesis system for replacement of a head portion of a proximal radius includes a monolithic stem component, a head component, and a locking mechanism formed by the stem and head components. The stem component defines a stem anchoring portion having a longitudinal axis and configured to couple to the proximal radius, and a dovetail-shaped first mounting portion on a first end face that extends in a first direction transverse to the longitudinal axis. The head component has a dovetail-shaped second mounting portion on a second end face opposite the first end face slidably engaged with the first mounting portion along the first direction. One of the first and second mounting portions intersects the longitudinal axis. The locking mechanism is formed at an interface between the stem and head components and is engaged through relative translational movement between the stem and head components. A related method is provided. | 05-26-2011 |
20110123382 | METHOD AND APPARATUS FOR FORMING POROUS METAL IMPLANTS - A method for providing a porous metal implant. A mixture of a biocompatible metal, a spacing agent, and a binder is provided. The mixture is formed into a shaped the spacing agent is removed to form a plurality of pores in the implant. A shaped porous metal implant is also provided. | 05-26-2011 |
20110118846 | SHOULDER PROSTHETIC - A shoulder implant assembly including a humeral stem, a head, a cup, and a taper adaptor. The humeral stem is configured to be inserted into a humerus bone. The head includes a metal substrate having a coupling taper and a polymeric cover mounted to the metal substrate having a convex outer surface and a generally planar base. The cup has a concave surface configured to articulate with the polymeric cover of the head. The taper adaptor is configured to mate with the coupling taper of the head. The taper adaptor is configured to connect the head to the stem when the cup is connected to a glenoid. The taper adaptor is configured to connect the head to the glenoid when the cup is connected to the humeral stem. | 05-19-2011 |
20110112649 | Radial and ulnar replacement - Prostheses are provided for ulna and radius of a patient's forearm. | 05-12-2011 |
20110092804 | Patient-Specific Pre-Operative Planning - A method for pre-operative orthopedic planning includes obtaining only a high-resolution knee-joint scan of a patient, determining hip rotation center and ankle rotation center from anthropometric data based on personal data of the patient, and determining a mechanical axis of the knee joint based on the anthropometric data. The method also includes preparing at least a two-dimensional image model of the knee joint using the knee-joint scan and the determined mechanical axis, and preparing a pre-operative surgical plan based on the image of the knee joint. | 04-21-2011 |
20110089041 | METHODS OF DEPOSITING DISCRETE HYDROXYAPATITE REGIONS ON MEDICAL IMPLANTS - A method for electrochemically depositing discrete regions of calcium phosphate onto a medical implant. The method includes providing an implant including at least one area having a metallic surface. At least a portion of the metallic surface is contacted with an electrolyte solution comprising calcium ions and phosphate ions. The metallic surface is used as a cathode, and an electrical potential is applied between the cathode and the electrolyte solution. The electrical potential is applied with a constant current density of from about 10 to about 50 mA/cm | 04-21-2011 |
20110085929 | METHOD OF BONDING POROUS METAL TO METAL SUBSTRATES - A method for preparing an implant having a porous metal component. A loose powder mixture including a biocompatible metal powder and a spacing agent is prepared and compressed onto a metal base. After being compressed, the spacing agent is removed, thereby forming a compact including a porous metal structure pressed on the metal base. The compact is sintered, forming a subassembly, which is aligned with a metal substrate portion of an implant. A metallurgical bonding process, such as diffusion bonding, is performed at the interface of the subassembly and the metal substrate to form an implant having a porous metal component. | 04-14-2011 |
20110071533 | Patient-Specific Orthopedic Instruments - An orthopedic device includes a patient-specific alignment guide operable for preparing a bone of a patient for resection during joint arthroplasty. The alignment guide includes a patient-specific bone engagement surface complementary to a surface of the bone of the patient and imaged from a bone scan of the patient. The alignment guide includes a plurality of guiding bores, and a plurality of alignment pins received through corresponding guiding bores for attaching the alignment guide to the bone. The alignment pins are resorbable and can be cut off during a resection of the bone. | 03-24-2011 |
20110066250 | DISTAL RADIOULNAR JOINT DEVICE AND METHOD OF USE - A system and method of implanting a distal wrist implant relative to a host bone is presented. A distal radial component having a body including a first connection portion couplable to a stem is coupled to a second prosthetic coupled to a medial surface of the body. The second prosthetic replaces at least a portion of the sigmoid notch. | 03-17-2011 |
20110054478 | Patient-Specific Shoulder Guide - An orthopedic device for a shoulder joint includes a patient-specific alignment guide. The alignment guide includes a cap having a three-dimensional engagement surface customized in a pre-operative plan by computer imaging to be complementary and closely mate and conform to a humeral head of a proximal humerus of a patient. The alignment guide includes a tubular element extending from the cap and defining a longitudinal guiding bore for guiding an alignment pin at a patient-specific position and orientation determined in the pre-operative plan, and an orientation feature on the cap. The orientation feature is designed to orient the cap relative to the humeral head when the orientation feature is aligned with a landmark of the proximal humerus. | 03-03-2011 |
20110046735 | Patient-Specific Implants - An endoprosthetic device includes a monolithic meniscal implant having a three-dimensional patient-specific tibial engagement surface nesting in and complementary to a proximal surface of the proximal tibia of a patient and a femoral articulating surface opposite to the tibial engagement surface for articulating with a femoral condyle of the patient. The meniscal implant includes a first portion and a second remainder portion, wherein the first portion is compressible relative to the second remainder portion. | 02-24-2011 |
20110035015 | SHOULDER PROTHESIS - The present teachings are directed to a modular shoulder prosthesis having an adjustable radial offset and/or angular inclination provided by relative rotation of an adapter interdisposed between the stem and the head. In one example, a shoulder prosthesis comprises a stem having a first longitudinal axis. The shoulder prosthesis can also include an adaptor including a first taper. The first taper can have a first taper axis. The shoulder prosthesis can include a head rotatably supported by the adaptor. The head can have a semi-spherical articulating surface. The head can be coupled to the first taper and can be positionable relative to the stem through rotation of the adaptor about the first taper axis for adjusting an offset of the head relative to the longitudinal axis of the stem. | 02-10-2011 |
20110035013 | MODULAR CENTER PEGGED GLENOID - A glenoid component used for shoulder arthroplasty is adapted to be implanted into a scapula and engaged by a head of a humeral component. The glenoid component includes a body having a first articulating surface and a second medial surface opposite to the first articulating surface. The first articulating surface is adapted to engage with a humeral head. A plurality of removable fixed pegs each have a first end adapted to engage a cavity formed in the scapula and a second end extending from the medial surface. A central peg fixation mechanism is provided that is configured to couple an optional central fixation peg to the medial surface. | 02-10-2011 |
20110022053 | Method and Apparatus for Assembling Implants - An apparatus and method for implanting a prosthesis includes implanting a first component into a recess in a bone. The first component defines a main body defining a receiving portion and a locating bore. A second component is located into engagement with the first component, the second component defining a passage therethrough. A rod is inserted through the passage defined on the second component and into the locating bore of the first component. A handle associated with the rod is slidably actuated into contact with the second component to matingly lock the first component to the second component. | 01-27-2011 |
20110015753 | Multiple Bearing Acetabular Prosthesis - An acetabular prosthesis assembly can include an acetabular cup and a first liner. The acetabular cup can have an outer surface, an inner surface and an upper rim extending between the outer surface and the inner surface. The acetabular cup can have a cup connection portion including a groove formed on an upper face of the upper rim. The first liner can have an outer cup engaging surface and a liner connection portion that extends from a flange of the first liner. The liner connection portion can have a finger that is received by the groove formed on the upper face of the acetabular cup that selectively couples the liner connection portion with the cup connection portion in an assembled position. | 01-20-2011 |
20110015752 | System and Method for Acetabular Cup - An acetabular implant assembly for replacing a portion of the anatomy is provided. The acetabular implant assembly can include a fiber-reinforced polymeric cup having an exterior surface that engages the anatomy and an interior surface. The acetabular implant assembly can also include a metal or ceramic bearing liner, which can be coupled to the interior surface of the with an acetabular implant assembly cup via a taper lock connection. The metal or ceramic bearing liner can have an interior bearing surface. The acetabular implant assembly can include a metal articulating member, which can be movable within the interior bearing surface to replace the articulating portion of the anatomy. | 01-20-2011 |
20110015740 | Pyrocarbon Orthopedic Implant - An orthopedic prosthetic device having at least one pyrocarbon insert is provided. The prosthetic device can include a prosthetic component having an articulating surface and a bone engagement surface. The articulating surface can be formed of a material that is distinct from pyrocarbon and is arranged to receive the at least one pyrocarbon insert so as to position a pyrocarbon articulating surface of the at least one pyrocarbon insert relative to the prosthetic component articulating surface. | 01-20-2011 |
20110015639 | Femoral Acetabular Impingement Guide - An orthopedic device for correcting a femoral bone abnormality includes a patient-specific three-dimensional shell and a patient-specific guiding feature. The shell has an outer surface and an inner bone engagement surface customized in a pre-operating planning stage by computer imaging to closely mate and conform to and substantially cover a femoral head of a patient in only one position. The guiding feature is pre-operatively planned relative to the shell such that when the shell is fitted over the femoral head, the guiding feature can guide a removal tool for removing an abnormality portion of the proximal femur of the patient. | 01-20-2011 |
20110015636 | Patient-Specific Elbow Guides and Associated Methods - A patient-specific alignment guide includes a three-dimensional engagement surface customized in a pre-operating planning stage by computer imaging to closely mate and conform to a corresponding bone portion of a patient's elbow joint. The patient-specific alignment guide defines a first longitudinal guiding bore aligned with a reference axis associated with the elbow joint of patient when the alignment guide is mounted onto the corresponding bone portion. | 01-20-2011 |
20110015634 | Modular Reaming System for Femoral Revision - A modular reaming system for reaming a plurality of pockets in an anatomical feature extends along a longitudinal axis. The system includes a first reamer in a first position on the longitudinal axis, and the first reamer reams a first pocket in the anatomical feature. The system further includes a second reamer that is removably coupled to the first reamer in a second position on the longitudinal axis. The second reamer reams a second pocket in the anatomical feature. The second reamer is keyed against rotation relative to the first reamer to ream the first and second pockets substantially simultaneously. | 01-20-2011 |
20100324692 | Method and Apparatus for Manufacturing an Implant - An orthopedic device includes a femoral implant having a non-custom internal bone engagement surface. The femoral implant includes at least nine parameters adjusted preoperatively to correspond to a specific patient. The parameters can include patient-specific lengths, such as, for example, medial and lateral condyle widths and notch height, and patient-specific medial and lateral angles. | 12-23-2010 |
20100312351 | Knee Prosthesis With Rotatable Post - A knee joint prosthesis for implantation to replace a portion of a knee joint. The knee joint prosthesis includes a tibial tray and a bearing member that engages the tibial tray. The prosthesis also includes an insert with a base that is fixed to the bearing member and an extension portion that extends away from the bearing member and the tibial tray. The extension portion has an axis, and the extension portion includes a threaded portion. The prosthesis further includes a post that is rotatably coupled to the extension portion, and the post is rotatable about the axis of the extension portion relative to the insert. Furthermore, the prosthesis includes a retention member that threadably couples to the threaded portion of the insert to limit movement of the post along the axis away from the bearing member and the tibial tray. | 12-09-2010 |
20100305710 | Knee Prosthesis - A knee joint prosthesis assembly can include a femoral component that has a medial and a lateral condyle portion connected by a patellar track portion. The femoral component can form an opening between the medial and lateral condyles. A tibial component can have a medial portion that includes a first engagement structure and a lateral portion that includes a second engagement structure. A medial bearing can have a third engagement structure formed thereon that selectively engages the first engagement structure. A lateral bearing separately formed and independent from the medial bearing can have a fourth engagement structure formed thereon that selectively engages the second engagement structure. | 12-02-2010 |
20100305709 | Knee Prosthesis Assembly With Ligament Link - A prosthetic knee joint assembly includes a femoral component and a bearing that supports articulation of the femoral component. The assembly further includes a tibial tray. Furthermore, the assembly includes a ligament link operably coupled to the tibial tray or the femoral component via a coupling component. The ligament link extending through the other of the tibial tray or the femoral component to couple to the respective one of the femur or tibia. The ligament link extends between first and second ends and includes an outer wall defining an interior longitudinal passage portion. First and second apertures extend through the wall. The first end extends through the first and second apertures and the longitudinal passage portion to define a first adjustable loop, and the second end extends through the first and second apertures and the longitudinal passage portion to define a second adjustable loop. | 12-02-2010 |
20100305698 | Knee Prosthesis Assembly With Ligament Link - A prosthetic knee joint assembly includes a femoral component that engages a femur and at least one bearing that supports articulation of the femoral component thereon. Also, the assembly includes a tibial tray that engages a tibia and that supports the bearing. A ligament link coupling component is included on the femoral component or the tibial tray. The ligament link coupling component is operable to couple to a ligament link to couple the ligament link to the femoral component or the tibial tray. Moreover, the assembly includes an opening included on the other of the femoral component or the tibial tray. The ligament link is received in the opening to bypass the other of the femoral component or the tibial tray to operably couple to the respective one of the femur or the tibia. | 12-02-2010 |
20100298945 | CROSSLINKED POLYMERIC MATERIAL WITH ENHANCED STRENGTH AND PROCESS FOR MANUFACTURING - A radiation crosslinked (50 kGy), pressure-treated UHMWPE material has been developed by applying compressive force on a crosslinked polymer in a direction orthogonal to an axial direction. The deformed material is then cooled while held in a deformed state. The resulting material is anisotropic, with enhanced strength oriented along the axial direction. The directionally engineered material is oxidatively stable even after four weeks of accelerated aging in a pressure vessel containing five atmospheres of oxygen (ASTM F2003). Because of its oxidative stability, the deformation processed material is a suitable candidate for air-permeable packaging and gas sterilization, which has thus far been reserved for remelted highly crosslinked UHMWPEs. | 11-25-2010 |
20100286789 | Acetabular Cup System - A system for replacing a hip joint can include a first acetabular cup formed of a first material and having a first inner diameter and a first thickness. A second acetabular cup can be formed of a second material and having a second inner diameter and a second thickness. A first femoral hip prosthesis can include a first femoral head that is alternately accommodated by either of the first or second acetabular cups. A bearing can be adapted to be interposed between the first femoral head and one of the first or second acetabular cups. The first and second inner diameters can be the same. The first thickness can be less than the second thickness. The first material can be distinct from the second material. | 11-11-2010 |
20100274206 | Method and Apparatus for Application of a Fluid - A method and apparatus for separation, concentration, and/or applying a biological or bio-engineered fluid. Generally, the fluid application device includes a sprayer body to enable the application of the fluid and a container adaptable to enable the separation of the fluid into at least a first component and a second component. The container is releasably coupled to the nozzle. The nozzle is adapted to withdraw at least one of the first component or the second component from the container after the fluid has been separated to apply the fluid to a selected site. | 10-28-2010 |
20100262252 | MODULAR PROSTHESIS AND USE THEREOF FOR REPLACING A RADIAL HEAD - A modular prosthesis system for replacement of a head portion of a proximal radius includes a monolithic stem component, a head component, and a locking mechanism formed by the stem and head components. The stem component defines a stem anchoring portion having a longitudinal axis and configured to couple to the proximal radius, and a dovetail-shaped first mounting portion on a first end face that extends in a first direction transverse to the longitudinal axis. The head component has a dovetail-shaped second mounting portion on a second end face opposite the first end face slidably engaged with the first mounting portion along the first direction. One of the first and second mounting portions intersects the longitudinal axis. The locking mechanism is formed at an interface between the stem and head components and is engaged through relative translational movement between the stem and head components. A related method is provided. | 10-14-2010 |
20100249796 | Method and Apparatus for Aligning and Securing an Implant Relative to a Patient - A surgical instrument for implanting a prosthetic member. The instrument includes an orientation sensor that detects an initial orientation of the prosthetic member and an implanting orientation of the prosthetic member. The instrument further includes a memory module and an input device that receives a user input to transfer the initial orientation detected by the orientation sensor into the memory module for storage. Furthermore, the instrument includes an orientation feedback device that selectively provides an orientation feedback signal to a user. Moreover, the instrument includes a controller that causes the orientation feedback device to provide the orientation feedback signal when the implanting orientation detected by the orientation sensor is substantially equal to the initial orientation stored in the memory module. | 09-30-2010 |
20100249657 | Method and Apparatus for Aligning and Securing an Implant Relative to a Patient - A surgical apparatus includes an orientation sensor that detects an actual orientation of a surgical tool. The apparatus also includes an orientation feedback device that selectively provides an orientation feedback signal. Moreover, the apparatus includes a controller that causes the orientation feedback device to provide the orientation feedback signal when the actual orientation of the surgical tool detected by the orientation sensor is substantially equal to a predetermined target orientation of the surgical tool. | 09-30-2010 |
20100241239 | Method And Apparatus For Protecting Modular Implant Connection - Apparatus and methods of protecting modular implant connection portions are provided. A guard includes an outer sidewall and an inner sidewall defining a cavity that covers a modular implant connection portion. The modular implant connection covered with the guard can facilitate test-fitting of other modular implant components and allows reaming of the tissue around the guard. | 09-23-2010 |
20100241236 | Modular Radial Head Prosthesis - A prosthesis system for replacement of a head portion of a proximal radius can include an articulation component having a first connection portion. A first head component can have a second connection portion that connects to the first connection portion. A second head component can have a third connection portion that connects to the first connection portion. The second head component can have a distinct dimension from the first head component. A stem component can include a fourth connection portion that connects with either of the first or second head components. The stem component can have a stem anchoring portion that connects to the radius. | 09-23-2010 |
20100222887 | Elbow Prosthesis - An elbow prosthesis constructed in accordance to one example of the present teachings can include a first stem structure that is operable to be positioned in a first bone of a joint. The first stem structure can include a first stem portion and a cage structure. The first stem portion may be operable to be positioned in the first bone. The cage structure can be formed generally between an inner sidewall and an outer surface. The stem portion can have opposing surfaces that define a disconnect formed entirely through the cage structure from the inner sidewall to the outer surface. A first bearing component can have an exterior cage opposing surface. The first bearing component can be selectively inserted into the cage structure from an insertion position to an installed position. A fastener can be threadably advanced into an engaged position with the cage structure to reduce a gap defined between the opposing surfaces of the disconnect while radially contracting the cage structure around the first bearing. | 09-02-2010 |
20100217109 | Mechanical Axis Alignment Using MRI Imaging - A method of imaging a body part of a patient can include acquiring a first, second and third sets of image data from a first, second and third anatomical reference areas. The first, second and third sets of image data can then be compiled to produce a legend of the body part. The legend can have positional information of the first, second and third anatomical reference areas. A fourth, fifth and sixth sets of image data of the first, second and anatomical reference areas can be acquired. The fourth, fifth and sixth sets of image data can have increased image information relative to the first, second and third sets of image data, respectively. The locations of the fourth, fifth and sixth sets of image data relative to the first, second and third sets of image data can be correlated using the legend to determine a characteristic of the body part. | 08-26-2010 |
20100215716 | COMPOSITIONS AND METHODS FOR COATING ORTHOPEDIC IMPLANTS - An orthopedic implant suitable for insertion into the body of a subject, the implant comprising: a metal substrate having one or more surfaces operable to contact a bone tissue or soft tissue when implanted into the subject; a coating comprising a resorbable polymer impregnated with an admixture of a rifamycin antibiotic and a second antibiotic selected from the group consisting of tetracyclines, penicillin, ampicillin, cefazolin, clindamycin, erythromycin, levofloxacin, or vancomycin. The adhered coating layer present on the one or more surfaces is capable of releasing the rifamycin and second antibiotics in an antimicrobially effective amount. Method for making an antibiotic coated implant by mixing a resorbable polymer mixture with an antibiotic solution forming a coating solution, applying the coating solution to a surface of the implant and evaporating the solvent from the coated layer. | 08-26-2010 |
20100209475 | MEDICAL IMPLANTS HAVING A DRUG DELIVERY COATING - Medical implants having a drug delivery coating, comprising a diffusion matrix made of a collagen matrix, a bioactive material, and a self-arranging transport barrier layer. The bioactive material is contained in the collagen matrix layer and/or the self-arranging transport barrier layer. Methods of preparing the coated implants and methods of modulating the rate of elution of a bioactive material are also provided. | 08-19-2010 |
20100198224 | Prosthesis and Implementation System - A prosthesis for replacing a selected portion of the anatomy is disclosed. Also disclosed is an exemplary method and apparatus for performing a procedure. The procedure can be minimally or less invasive. | 08-05-2010 |
20100198130 | Method and Apparatus for Producing Autologous Clotting Components - A method and apparatus for obtaining various components of a multi-component material. Generally, a component of a whole blood sample may be concentrated from a patient and re-introduced to the same patient. For example, a clotting component, such as thrombin, from a whole blood sample may be extracted and concentrated in an apparatus and collection to be reapplied or reintroduced into a patient. | 08-05-2010 |
20100179661 | ELBOW PROSTHESIS - A method and apparatus for replacing a selected portion of the anatomy is described. In particular, a prosthesis can be provided to replace a portion of an articulating joint, such as an elbow. The apparatus can be modular for various reasons and each of the modular portions can include a different dimension to achieve a selected result. For example, the prosthesis can achieve a different size condylar replacement, a selected offset, a selected articulation, or combinations thereof. | 07-15-2010 |
20100174378 | Knee Joint Prosthesis System and Method for Implantation - A prosthesis system for replacing a knee joint between a femur and a tibia can include a femoral component, a tibial component, a bearing, a first yoke, and a first key. The femoral component can include a first condylar portion, a second condylar portion, a first sidewall extending superiorly from the first condylar portion, a second sidewall extending superiorly from the second condylar portion where the first and second sidewalls collectively comprise a first hinge portion. The tibial component can have a bone engaging inferior surface and a bearing engaging superior surface. The bearing can have an inferior that engages the bearing engaging surface and a superior femoral engaging surface. The bearing can define an opening. The first yoke can have an inferior portion, a superior portion and a yoke keyway extending through the therethrough. | 07-08-2010 |
20100172954 | IRRADIATED IMPLANTABLE BONE MATERIAL - A method for making an implantable bone material. The method includes providing a bone composition consisting essentially of demineralized human bone, and irradiating the composition at a temperature less than about 0° C. | 07-08-2010 |
20100160918 | Method for Performing Bone Cutting - A guide for cutting a bone comprising an anterior portion and a distal portion orientated at about a right angle to the anterior portion. The distal portion includes a guiding side, a distal surface at the guiding side, a box-cut shaped opening defined by the guiding side, a plurality of first cutting surfaces disposed at the guiding side at an acute angle relative to the distal surface of the guiding side operable to guide a cutting device to the bone to form chamfer cuts in the bone, and a second cutting surface disposed at the guiding side at least about a right angle to the distal surface operable to guide a cutting device to the bone to form a posterior cut in the bone. | 06-24-2010 |
20100145466 | METAL-ON-METAL MODULAR HYBRID LINER - A prosthetic joint assembly that includes a shell including an inner surface. The assembly also includes a bearing member including an outer surface. The bearing member is received by the shell such that the outer surface of the bearing member is adjacent the inner surface of the shell. Furthermore, the joint assembly includes a compressible member that is rigidly fixed to the inner surface of the shell or the outer surface of the bearing member to only cover a portion thereof. The compressible member is made of a material that is different from the shell or the bearing member. | 06-10-2010 |
20100137993 | EXTENDED ARTICULAR SURFACE RESURFACING HEAD - A modular humeral head resurfacing implant including a head, an anchoring stem, and a modular extended articulation flange. The head includes an exterior hemispherical articulating surface defining a terminating rim, an interior concave surface opposite to the exterior articulating surface, and a first coupling mechanism proximate to the terminating rim. The anchoring stem is coupled to the interior concave surface and extends along a stem axis that extends through an axial center of the head. The articulation flange includes a second coupling mechanism configured to cooperate with the first coupling mechanism to fasten the articulation flange to the head and an outer articulating surface that is curved along substantially its entire length and is substantially flush with the exterior hemispherical articulating surface when the articulation flange is fastened to the head. | 06-03-2010 |
20100136214 | Acetabular Shell System and Method for Making - A method for forming an acetabular shell includes providing a working surface such as a mandrel, and spraying the working surface with a first layer of material having a first composition such as aluminum oxide. After a suitable thickness is generated, the spray composition is gradually changed to other compositions having desired particle sizes and distribution. In one example, the composition is changed to a mixture of aluminum oxide and titanium oxide and/or titanium. As thickness builds up, the relative amount of aluminum oxide is decreased such that the composition is all titanium and titanium oxide. After a desired thickness is generated, the acetabular shell is extracted off the mandrel. | 06-03-2010 |
20100131073 | Multiple Bearing Acetabular Prosthesis - A prosthesis to replace a portion of the anatomy, such as the acetabulum, can include a first portion. A second prosthesis portion can be positioned relative to the shell to provide the bearing surface to articulate with a femoral head prosthesis or femoral head. The second prosthesis portion can include a connection portion to engage a connection portion in the shell. | 05-27-2010 |
20100131068 | Porous Titanium Modular Revision Patella System - A patellar implant includes a posterior portion and an anterior portion. The posterior portion can have a first radial sidewall that extends between an outboard face and an inboard face. The outboard face can include an articulating surface. The inboard face can include one of a stem and a recess, and one of an annular central hub and an annular radial pocket. The anterior portion can have a second radial sidewall that extends between a tissue engaging surface and a posterior portion engaging surface. | 05-27-2010 |
20100114326 | MODULAR IMPLANT FOR JOINT PROSTHESIS - A modular prosthetic implant is provided, including a support cleat unit having a circular seat portion and a shape delimited by an imaginary dome. The support cleat unit includes a cylindrical body portion having a central axis and a hole concentric with the central axis, the hole having a least a first section whose diameter defines a female Morse taper adapted to receive a male member having a corresponding Morse taper. The support cleat unit also includes a plurality of arched appendages integral with the cylindrical body portion. The arched appendages are radially spaced apart from one another and extend outwardly from a base portion thereof at an outer circumferential surface of the cylindrical body portion so that lower/outer surfaces of the arched appendages define the overall domed shape of the support cleat unit. | 05-06-2010 |
20100114324 | Modular Hip Joint Implant - A modular hip joint implant and associated method. The modular hip implant includes a femoral stem having a proximal surface defining a dovetail groove having first and second female wings, and a neck component having a distal surface defining a semi-dovetail projection engaging the dovetail groove. The projection includes a single male wing mating with the first femoral wing. | 05-06-2010 |
20100100193 | PATIENT MATCHED HIP SYSTEM - A method of selecting a patient matched hip joint prosthesis includes identifying a plurality of first parameters of a hip joint anatomy of the patient. The method also includes selecting a standard modular neck member from a set of different standard modular neck members to substantially match the first parameters of the hip joint anatomy of the patient. Moreover, the method includes performing a hip joint mechanical analysis using the selected standard modular neck member. Further, the method includes choosing for implantation either the selected modular neck member, a different standard modular neck member, or a custom designed neck member based on the hip joint mechanical analysis. | 04-22-2010 |
20100100191 | Tibial Tray Having a Reinforcing Member - A knee joint prosthesis can include a tibial component that can have a tibial tray. The tibial tray can include a platform-like tray that defines a superior surface and an inferior surface. The platform-like tray can have a tray perimeter and a raised wall formed on the inferior surface. The raised wall can be offset inboard relative to the tray perimeter. Porous material can be disposed on the inferior surface of the platform-like tray at a location generally between the raised wall and the tray perimeter. | 04-22-2010 |
20100100190 | TIBIAL TRAY HAVING A REINFORCING MEMBER - A knee joint prosthesis can include a tibial component that can have a tibial tray. The tibial tray can include a platform-like tray that defines a superior surface and an inferior surface. The platform-like tray can have a tray perimeter and a raised wall formed on the inferior surface. The raised wall can be offset inboard relative to the tray perimeter. Porous material can be disposed on the inferior surface of the platform-like tray at a location generally between the raised wall and the tray perimeter. | 04-22-2010 |
20100100189 | HIGH FLEXION TIBIAL TRAY - Various assemblies for replacing at least a proximal portion of a tibia are provided. One assembly includes a tibial tray including a superior bearing engaging surface and an inferior bone engaging surface and having a truncated posterior region; a bearing including an articulating surface, a tray mating surface, and an overhang. The tray mating surface of the bearing is in mating engagement with the inferior bone engaging surface of the tibial tray such that the overhang of the bearing extend beyond the tibial tray truncated posterior region. Related surgical methods are also provided. | 04-22-2010 |
20100100102 | METHOD AND APPARATUS FOR CONSTANT FORCE TENSOR/LIGAMENT BALANCER - A tensor/ligament balancer for use in measuring a gap existing between an anatomy is provided. The tensor/ligament balancer can include a first paddle. The tensor/ligament balancer can also include a second paddle movable relative to the first paddle. The tensor/ligament balancer can further include a biasing member operable to apply a substantially constant force on the second paddle to move the second paddle relative to the first paddle. At a first position, the second paddle can be substantially adjacent to the first paddle. The second paddle can be automatically movable away from the first paddle to a second position by applying the substantially constant force to the second paddle. | 04-22-2010 |
20100099977 | MECHANICAL AXIS ALIGNMENT USING MRI IMAGING - A method of imaging a body part includes locating a first, second and third anatomical reference area. The third anatomical reference area is disposed generally between the first and second anatomical reference areas. Furthermore, the method includes positioning a first member of a reference tool relative to the first anatomical reference area, positioning a second member of the reference tool relative to the second anatomical reference area, and a pivotal coupling member relative to the third anatomical reference area. The pivotal coupling member pivotally couples the first and second members of the reference tool. In addition, the method includes imaging a target area of the body part to produce an image. The image includes the target area of the body part and the first and second members. The first member indicates a first axis of the body part, and the second member indicates a second axis of the body part. | 04-22-2010 |