| MEDICINELODGE, INC. DBA IMDS CO-INNOVATION Patent applications |
| Patent application number | Title | Published |
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| 20120116422 | SUTURE PASSERS - Suture passers which include a handle assembly, shaft assembly, and jaw assembly. In one embodiment, the handle assembly includes first and second handles joined at a hinge, the second handle pivotable relative to the first handle and guided by an arcuate guiding feature concentric to the hinge. The jaw assembly includes upper and lower jaws, the lower jaw including an open needle track. The open needle track includes entry, tangential and exit segments, each of which is directly visible, directly accessible, and directly inspectable. The lower jaw can be manufactured as a single piece, using a single manufacturing process, which may be injection molding or multi-axis machining. When manufactured by multi-axis machining, all features of the lower jaw may be machined without removal of the jaw piece from the multi-axis machine. Methods of suture passer manufacture and assembly which may provide significant cost savings are disclosed. | 05-10-2012 |
| 20120065731 | SYSTEMS AND METHODS FOR INTRA-OPERATIVE TENSION AND FIXATION OF ZIPKNOT ACL FIXATION - A line lock system may include a line routed through a plate. The plate may have an elongated body with a plurality of passageways. The line is routed to form at least one one-way slide so no knots are required. The system may include filaments routed through the passageways of the plate or around a dogbone feature of the plate. The filaments may be used to toggle the plate after passage through a hole to prevent withdrawal of the plate back through the hole. The system may include a line lock stabilizer or counter-tension tool to stabilize the line lock as the line is adjusted. The system may include a compression limiter to selectively reduce compression in the one-way slide to facilitate adjustment of the line. The line lock stabilizer, counter-tension tool, or compression limiter may be a filament. | 03-15-2012 |
| 20120059469 | DOUBLE BUNDLE ACL REPAIR SYSTEM - A system for single tunnel, double bundle anterior cruciate ligament reconstruction includes implant constructs and instruments. The implant constructs provide a combination of cortical fixation and bone tunnel aperture fixation. The implant constructs separate a graft into distinct bundles. The instruments are used to prepare shaped bone tunnels to receive the implant constructs and graft bundles. Methods for reconstructing the antero-medial and postero-lateral bundles of the anterior cruciate ligament may rely on single femoral and tibial tunnels and a single strand of graft. | 03-08-2012 |
| 20120059416 | INTRA-OPERATIVE ACL GRAFT INSTRUMENTATION - A line lock system may include a line routed through a plate. The plate may have an elongated body with a plurality of passageways. The line is routed to form at least one one-way slide so no knots are required. The system may include filaments routed through the passageways of the plate or around a dogbone feature of the plate. The filaments may be used to toggle the plate after passage through a hole to prevent withdrawal of the plate back through the hole. The system may include a line lock stabilizer or counter-tension tool to stabilize the line lock as the line is adjusted, a compression limiter to selectively reduce compression in the one-way slide to facilitate adjustment of the line, means for adjusting the line, or a line cutter. | 03-08-2012 |
| 20120046747 | SYSTEMS AND METHODS FOR ZIPKNOT ACL FIXATION - A system and method for securing an ACL graftmay include a line routed through a plate. The plate may include an elongated body with a plurality of passageways, and a dogbone feature on at least one end of the body. The line may be routed to create at least one one-way slide so no knots are required. The line may form an adjustable loop that receives the graft. The adjustable loop is adjustable through the one-way slide feature. The plate may be configured to pass through a bone tunnel. The plate may be toggled after passage through the bone tunnel to prevent withdrawal back through the bone tunnel because the plate contact area is larger the bone tunnel area. | 02-23-2012 |
| 20120046682 | RECIPROCATING SURGICAL INSTRUMENTS - A surgical instrument system functional in multiple orthopedic applications, including but not limited to shoulder, knee, hip, wrist, ankle, spinal, or other joint procedures. The system comprises a cutting head which includes jaw members which may be urged between open and closed positions to providing a biting or chewing action for removal of targeted tissues. The instrument system is configured to be driven by an attached hub that translates a rotational movement into a reciprocating motion to open and close the jaw members. Suction for removal of bone fragments or other tissues is provided through a suction opening. | 02-23-2012 |
| 20120029545 | RECIPROCATING SURGICAL INSTRUMENT - A surgical rasping system functional in multiple orthopedic applications, including but not limited to shoulder, knee, hip, wrist, ankle, spinal, or other joint procedures. The system may comprise a tissue removal member with a rasping head which may be low profile and offer a flat cutting/rasping surface, or with a cutting head with at least one cutting edge. The tissue removal member is configured to be driven by an attached hub that translates a rotational movement into a reciprocating motion. Suction for removal of bone fragments or other tissues is provided through an opening spaced apart from or adjacent to the rasping surface. A radiofrequency ablation (RF) electrode may be carried on the rasping system to provide ablation or coagulation of soft tissues. | 02-02-2012 |
| 20120022651 | DIRECT LATERAL SPINE SYSTEM INSTRUMENTS, IMPLANTS AND ASSOCIATED METHODS - Apparatus, systems, and methods for spine surgery employ a guide wire temporarily anchored to a contralateral side of an intervertebral disc. The guide wire establishes a reliable pathway for passage and actuation of cannulated instruments or implants through a small working channel leading to an ipsilateral side of the disc. The guide wire may be disconnected and removed from the disc after use. | 01-26-2012 |
| 20120010660 | SYSTEM AND METHOD FOR SEGMENTALLY MODULAR SPINAL PLATING - A modular implant for stabilizing the relative motion of spinal vertebrae comprises at least two pairs of plates which connect to two adjacent spinous processes, a spacer configured to be positioned between the spinous processes, and a fastener which pivotably connects to the plates and the spacer. The spacer is interchangeable and may comprise a variety of materials, each providing a different level of elasticity to the spinous processes. Relative motion between vertebrae can also be controlled by varying the surface configuration of the plates and by varying threading of the fastener. Several implants may be linked to provide stabilization across multiple vertebral levels, and the relative motion provided at each vertebral level may differ. A method for revising the implant is provided which comprises accessing the implant and replacing the spacer. | 01-12-2012 |
| 20110313534 | SYSTEMS AND METHODS FOR PROSTHETIC KNEE - A knee prosthesis including femoral and tibial implants, a tibial insert and a cam post assembly. The femoral implant is secured to a femur and has a cam feature and condyles. The tibial implant is secured to a tibia. The tibial insert has articulating surfaces that match the contours of the condyles of the femoral implant, and may have a medial boss that aligns with the tibial implant to provide rotation about a medially displaced rotation axis. A cam post is secured to the tibial implant and passes through a channel of the tibial insert. A motion limiting structure provides limits to motion between the tibial insert and the tibial baseplate. The cam post assembly interacts with the femoral implant cam feature and allows more anatomically correct rollback and femoral external rotation during knee flexion, and varus/valgus support to the femur. | 12-22-2011 |
| 20110295297 | DICE CUTTING SURGICAL INSTRUMENT - Surgical punch tools remove a waste portion of tissue from a main portion and subdivide the waste portion into two or more smaller debris portions. The tools may also grasp the waste portion or eject the debris from the tool. | 12-01-2011 |
| 20110270403 | Implantable Mobile Bearing Prosthetics - A knee prosthesis including a femoral implant, a tibial implant, a tibial insert and a cam post. The femoral implant is secured to a femur and has a gap for receiving a natural PCL. The tibial implant is secured to a tibia. The tibial insert comprises a medial cavity with a rotational axis. The tibial insert has articulating surfaces that match the contours of the condyles of the femoral implant and a notch for retaining the natural PCL. The tibial insert has a medial boss that aligns with the medial cavity allowing it to rotate about the rotational axis. A post is secured to the tibial implant and enters a hole of the tibial insert providing anterior and posterior stops for the rotation of the tibial insert about the rotational axis. | 11-03-2011 |
| 20110270256 | SURGICAL RASP WITH RADIOFREQUENCY ABLATION - A surgical rasping system functional in multiple orthopedic applications, including but not limited to shoulder, knee, hip, wrist, ankle, spinal, or other joint procedures. The system comprises a rasping head which may be low profile and offer a flat cutting/rasping surface, and is configured to be driven by an attached hub that translates a rotational movement into a reciprocating motion. Suction for removal of bone fragments or other tissues is provided through an opening spaced apart from or adjacent to the rasping surface. A radiofrequency ablation (RF) electrode may be carried on the rasping system to provide ablation or coagulation of soft tissues. | 11-03-2011 |
| 20110237898 | LATERAL ACCESS SYSTEM FOR THE LUMBAR SPINE - A minimally invasive dilation device includes a plurality of rigid arms radially arrayed about a center and a dilating member positioned between the arms. A stylus may occupy the center. An outer flexible sleeve may be circumferentially secured to the arms, lying within or without the plurality of arms. An inner mesh may surround the stylus and dilating member. The device may be introduced into tissue toward a targeted area, while in a closed configuration. The dilating member may be a balloon, wherein upon inflation of the balloon, the arms are pushed radially outward, expanding the device and dilating the surrounding tissue. The dilating member may be a tube, wherein upon insertion of the tube, the arms are pushed radially outward. A cannula may be inserted inside the plurality of arms to keep the arms in an open configuration, and the dilating member may be withdrawn, providing an open passageway through the device to the targeted area. The device may be used with a neural monitoring system. | 09-29-2011 |
| 20110218521 | ERGONOMIC SURGICAL INSTRUMENT HANDLE - Instrument handles isolate the functions of supporting the instrument and actuating controls on the instrument. An instrument handle may be grasped and supported by the less dexterous digits and palm of a human hand, and controls mounted on the instrument handle may be actuated by the more dexterous digits. The instrument handle may couple to an end effector so that the hand, wrist, elbow, and shoulder remain in a comfortable position when the end effector is positioned to act effectively on a selected portion of a workpiece, such as a surgical site. | 09-08-2011 |
| 20110218513 | Biologics Delivery System - A system for harvesting, preparing, and delivering biological materials or other therapeutic agents is disclosed. The system is adaptable to a variety of biological materials or other therapeutic agents. The system is adaptable for minimally invasive procedures where access may be limited. The system includes provisions for delivering biological materials or other therapeutic agents along a curved path. The system is adaptable to maximize the delivered quantity of biological materials or other therapeutic agents, thus minimizing waste. | 09-08-2011 |
| 20110208304 | Laser Based Metal Deposition LBMD of Antimicrobials to Implant Surfaces - A method is provided for depositing a hard wear resistant surface onto a porous or non-porous base material of a medical implant. The wear resistant surface of the medical implant device may be formed by a Laser Based Metal Deposition (LBMD) method such as Laser Engineered Net Shaping (LENS). The wear resistant surface may include a blend of multiple different biocompatible materials. Further, functionally graded layers of biocompatible materials may be used to form the wear resistant surface. Usage of a porous material for the base may promote bone ingrowth to allow the implant to fuse strongly with the bone of a host patient. The hard wear resistant surface provides device longevity, particularly when applied to bearing surfaces such as artificial joint bearing surfaces or a dental implant bearing surfaces. An antimicrobial material such as silver may be deposited in combination with a metal to form an antimicrobial surface deposit. | 08-25-2011 |
| 20110190829 | Joint Arthrodesis and Arthroplasty - An implantable fixation system for fusing a joint between a first bone and a second bone. The system may include an anchor, standoff, bolt, and cortical washer. The system may be implanted across the joint along a single trajectory, the length of the system adjustable to provide compressive force between the anchor and the cortical washer. The system may be implanted across a tibiotalar joint with the anchor positioned in the sinus tarsi. A spacing member may be inserted between the two bones and the fixation system implanted to extend through an opening in the spacing member. The spacing member may be anatomically shaped and/or provide deformity correction. An ankle arthroplasty system may include a tibial plate, a talar plate, and a bearing insert. The plates may be anchored to the tibia and talus along a single trajectory. The ankle arthroplasty system may be revisable to a fusion system. | 08-04-2011 |
| 20110166609 | Joint Arthrodesis and Arthroplasty - An implantable fixation system for fusing a joint between a first bone and a second bone. The system may include an anchor, standoff, bolt, and cortical washer. The system may be implanted across the joint along a single trajectory, the length of the system adjustable to provide compressive force between the anchor and the cortical washer. The system may be implanted across a tibiotalar joint with the anchor positioned in the sinus tarsi. A spacing member may be inserted between the two bones and the fixation system implanted to extend through an opening in the spacing member. The spacing member may be anatomically shaped and/or provide deformity correction. An ankle arthroplasty system may include a tibial plate, a talar plate, and a bearing insert. The plates may be anchored to the tibia and talus along a single trajectory. The ankle arthroplasty system may be revisable to a fusion system. | 07-07-2011 |
| 20110166608 | Joint Arthrodesis and Arthroplasty - An implantable fixation system for fusing a joint between a first bone and a second bone. The system may include an anchor, standoff, bolt, and cortical washer. The system may be implanted across the joint along a single trajectory, the length of the system adjustable to provide compressive force between the anchor and the cortical washer. The system may be implanted across a tibiotalar joint with the anchor positioned in the sinus tarsi. A spacing member may be inserted between the two bones and the fixation system implanted to extend through an opening in the spacing member. The spacing member may be anatomically shaped and/or provide deformity correction. An ankle arthroplasty system may include a tibial plate, a talar plate, and a bearing insert. The plates may be anchored to the tibia and talus along a single trajectory. The ankle arthroplasty system may be revisable to a fusion system. | 07-07-2011 |
| 20110160856 | Systems and Methods for Zipknot ACL Fixation - A system and method for securing an ACL graft. The system may comprise a line routed through a plate, the plate may comprise an elongated body with a plurality of passageways, and a dogbone feature on one end. The line is routed such to create at least one one-way slide so no knots are required. The line may comprise an adjustable loop that receives the graft. The adjustable loop is adjustable through the one-way slide feature of the line routed around and through the plate. The plate may be configured to pass through a bone tunnel with the use of filaments routed through the passageways of the plate or around the dogbone feature of the plate. The filaments may be used to toggle the plate after passage through the bone tunnel to prevent withdrawal back through the bone tunnel because the plate contact area is larger the bone tunnel area. | 06-30-2011 |
| 20110160585 | ULTRASOUND FOR NAVIGATION THROUGH PSOAS MUSCLE - Imaging technology may be used to navigate highly innervated tissue, such as the psoas muscle, while maintaining the neural structures intact. An ultrasound transducer may be introduced into the tissue and an image may be consulted to assess the proximity of the transducer to neural structures. Alternate embodiments contemplate an expanded array of surgical applications and alternate imaging technologies. | 06-30-2011 |
| 20110144699 | Bone Implants with Integrated Line Locks - A bone plate has a plurality of line locks arranged along its length. Each of the line locks has a plurality of passageways designed to receive the ends of a flexible line such that one or both of the ends can be drawn through the line lock along only one direction. The lines may encircle the bone fragments to be set to keep them in place. The line locks enable the lines to be easily tightened and re-tightened as needed. A bone prosthesis has a line lock having a plurality of passageways designed to receive one or both ends of a flexible line such that one or both ends can be drawn through the line along only one direction. The line can then be used to secure the bone prosthesis to one or more bones. The bone prosthesis may be a joint prosthesis or the like. | 06-16-2011 |
| 20110137416 | DOUBLE BUNDLE ACL REPAIR - A system for single tunnel, double bundle anterior cruciate ligament reconstruction includes implant constructs and instruments. The implant constructs provide a combination of cortical fixation and bone tunnel aperture fixation. The implant constructs separate a graft into distinct bundles. The instruments are used to prepare shaped bone tunnels to receive the implant constructs and graft bundles. Methods for reconstructing the antero-medial and postero-lateral bundles of the anterior cruciate ligament may rely on single femoral and tibial tunnels and a single strand of graft. | 06-09-2011 |
| 20110125202 | INSTRUMENTATION FOR MOBILE BEARING PROSTHETICS - Knee prosthesis instrumentation including an insertion tool and a removal tool. The insertion tool may include an offset to provide clearance from a femoral component of the knee prosthesis. The removal tool may be wedge shaped to at least partially encircle a post of the knee prosthesis for removal. A mallet may be used with the instruments to provide additional force for prosthesis insertion or removal. A slide hammer may be incorporated into the instruments themselves. | 05-26-2011 |
| 20110110716 | QUARTER TURN LOCKING MECHANISM - Apparatus and methods are disclosed for securely, yet releasably, connecting separate parts. A shaft engages a cooperating socket to form a connection capable of sustaining service loads. The shaft has a protruding pin which slides within a slot in the socket to guide the shaft into locked engagement with the socket. The shaft also has a cantilever body which wedges into a tapered region in the socket to frictionally bind the shaft and socket together. | 05-12-2011 |
| 20110071527 | SURGICAL RASPING SYSTEMS AND MEHTODS - A surgical rasping system functional in multiple orthopedic applications, including but not limited to shoulder, knee, hip, wrist, ankle, spinal, or other joint procedures. The system comprises a rasping head which may be low profile and offer a flat cutting/rasping surface, and is configured to be driven by an attached hub that translates a rotational movement into a reciprocating motion. Suction for removal of bone fragments or other tissues is provided through an opening spaced apart from or adjacent to the rasping surface. | 03-24-2011 |
| 20110066248 | Position Adjustable Trial Systems for Prosthetic Implants - A trial system for an implantable joint replacement includes a guide assembly having a baseplate and a guide plate, the guide plate rotatable relative to the base plate about a rotation axis extending through the guide plate and the baseplate while directly connected to the baseplate. An adjustment mechanism is actuable to selectively control the rotational juxtaposition of the guide plate relative to the baseplate. The rotation axis may be medially offset from the center of the guide assembly. A single instrument may be used to rotate the guide plate relative to the base plate and lock the plates in the selected juxtaposition. The guide plate provides in situ positionable cutting guidance for implantation of prosthetic joint components. The system may further include an articulating insert trial mounted on the guide assembly to determine preferred joint alignment and/or optimal positioning of the guide plate. | 03-17-2011 |
| 20110066247 | Position Adjustable Trial Systems for Prosthetic Implants - A trial system for an implantable joint replacement includes a guide assembly having a baseplate and a guide plate, the guide plate translatable relative to the base plate along a straight path while directly connected to the baseplate. A first adjustment mechanism may selectively control the translational juxtaposition of the guide plate relative to the baseplate. The guide plate may further be rotatable relative to the baseplate around a rotation axis. A second adjustment mechanism may selectively control the rotational juxtaposition of the guide plate relative to the baseplate, and can lock the plates together. The rotation axis may be medially offset from the center of the guide assembly. The guide plate provides in situ positionable cutting guidance for implantation of prosthetic joint components. The system may further include an articulating insert trial mounted on the guide assembly to determine preferred joint alignment and/or optimal positioning of the guide plate. | 03-17-2011 |
| 20110066246 | Articulating Trials for Prosthetic Implants - A trial system for an implantable joint replacement includes an articular insert having an insert body and an insert post captive to the insert body. The insert post is translatable relative to the insert body while remaining captive to the insert body. An aperture on the insert body forms a path, which may be arcuate, along which the insert post can translate. An axis of rotation about which the insert post translates passes through the insert body, and may be medially offset from the center of the body. A flexible element may connect the insert post to the insert body. In one method of use, the trial system is engaged with a femoral component and a tibial component during a prosthetic total knee joint implantation procedure to determine selection of an implantable articular insert which provides knee joint articulation closely matching the articulation of a natural knee. | 03-17-2011 |
| 20110004319 | Femoral Hip Prosthesis and Method of Implantation - Implants and methods are presented for surgically repairing a hip joint with a proximal femoral prosthesis that comprises femoral head component and a femoral stem component. The femoral stem component comprises a neck portion, a flange portion, a transitional body region and an elongated stem. The femur is prepared for implantation of the femoral hip prosthesis by resecting the proximal femur and reaming a symmetric intramedullary cavity in the femur. The femoral hip prosthesis is then inserted the on the resected femur and in the intramedullary cavity. The femoral hip prosthesis elastically deforms when loaded during use to apply dynamic compressive loads and displacement to the calcar region of the resected proximal femur. | 01-06-2011 |
| 20100318126 | LINE LOCK THREADING SYSTEMS AND METHODS - A line lock includes a body at least partially bounding a plurality of passageways such that a suture can only be drawn through the passageways along one direction. The suture may be inserted through the passageways through the use of a cartridge designed to contain the line lock. Threaders may pass through the line lock within the cartridge. Each threader may have a leading end and a trailing end that can be coupled to a suture end. Thus, two suture ends may be drawn through the passageways by coupling them to the threaders and drawing the leading ends of the threaders to cause the suture ends to pass through the passageways according to the desired pattern. The cartridge may then be opened to permit easy removal of the suture and the line lock. | 12-16-2010 |
| 20100305585 | LINE LOCK THREADING SYSTEMS AND METHODS - A line lock includes a body at least partially bounding a plurality of passageways such that a suture can only be drawn through the passageways along one direction. The suture may be inserted through the passageways through the use of a cartridge designed to contain the line lock. Threaders may pass through the line lock within the cartridge. Each threader may have a leading end and a trailing end that can be coupled to a suture end. Thus, two suture ends may be drawn through the passageways by coupling them to the threaders and drawing the leading ends of the threaders to cause the suture ends to pass through the passageways according to the desired pattern. The cartridge may then be opened to permit easy removal of the suture and the line lock. | 12-02-2010 |
| 20100249930 | DOUBLE BUNDLE ACL REPAIR - A system for single tunnel, double bundle anterior cruciate ligament reconstruction includes implant constructs and instruments. The implant constructs provide a combination of cortical fixation and bone tunnel aperture fixation. The implant constructs separate a graft into distinct bundles. The instruments are used to prepare shaped bone tunnels to receive the implant constructs and graft bundles. Methods for reconstructing the antero-medial and postero-lateral bundles of the anterior cruciate ligament may rely on single femoral and tibial tunnels and a single strand of graft. | 09-30-2010 |
| 20100191285 | Compact Line Locks and Methods - A line lock includes a body at least partially bounding two passageways that cooperate to receive a locking portion of a line such as a suture in such a manner that the locking portion can only be drawn through the passageways along one direction. A second suture locking portion may also received by the passageways, or by one of the two passageways in combination with a third passageway. The body may have an elongated, compact shape that is easily implantable in the body. | 07-29-2010 |
