Class / Patent application number | Description | Number of patent applications / Date published |
606085000 | Rasp or file | 46 |
20100004653 | SELF-CLEARING RASP SYSTEM FOR AUTOMATIC MILLING APPARATUS - Two self-clearing radial rasp systems for automatic milling material disclosed. In addition, as examples two automatic apparatuses utilizing said rasp systems for milling material disclosed. The rasp system may include a rasp and a trimming member. The radial rasp may include a base surface that may include cutting teeth with apertures of predetermined sizes disposed adjacent the cutting teeth. The revolving radial trimming member may include radial channels which may independently partitioned for confining and directing material toward the base surface of the rasp as the material move by centrifugal force in a radial direction. The rasp may have different sizes of cutting teeth associating with the individual radial channels of the radial trimming member. | 01-07-2010 |
20100023014 | GENDER SPECIFIC FEMORAL RASPS - Rasps for preparing bones of various patients to receive a prosthetic implant and a method for using the same. Multiple rasps may be provided as a set. Within the set, the rasps generally correspond to the size and shape of a single prosthetic implant, such as a prosthetic femoral hip stem, and have a range of bone removal and bone compression capabilities to account for unique bone characteristics of the various patients. A surgeon may select a desired rasp from the set provided depending on the patient's unique bone characteristics. | 01-28-2010 |
20100036382 | Orthopedic tool made of a plastic material - The present invention relates to an orthopedic tool made of a plastic material (M) comprising at least one semi-aromatic polyamide (P) comprising more than 50 mole % of recurring units obtained by the polycondensation reaction between at least one aliphatic diacid or derivative thereof and at least one aromatic diamine. In particular, hip rasp consisting essentially of at least one plastic material comprising at least one PMXDA polymer. | 02-11-2010 |
20100145343 | APPARATUS AND METHOD FOR SCULPTING THE SURFACE OF A JOINT - Methods and devices for sculpting bones, particularly in preparation for implanting prosthetic devices to replace articulating bone joint surfaces. Improved bone removal devices including burr mills driven by gears and loop drives are provided. Reciprocating cutters and belt cutters are also provided. Some devices have either integral or removable expandable portions to vary the force and bone resection depth. Devices can have irrigation ports and plenums to remove bone fragments. Some cutters are dual cutters, adapted to remove bone in two or more regions, such as the knee joint, simultaneously. | 06-10-2010 |
20100286698 | Disposable burr attachment - A burr attachment designed for use with a Curved Burr Attachment or other chuck attachments that includes a tube with a wire shaft supported therein and a coil spring surrounding said wire shaft and having each of the coils touch the outer periphery surface of the wire shaft and the inner peripheral surface of said tube to enhance cooling of said outer periphery of said tube from the heat generated by said wire shaft and attenuate vibrations while allowing said burr attachment to be bent without kinking. The burr attachment includes a proximal end support and a distal end support formed on the end of said burr attachment wherein the wire shaft is affixed to said proximal end support and rotates relative to said distal end support and includes detents formed on each of the supports for engaging balls in said adapter so as to be operatively connected thereto when the burr attachment is aligned in said adapter to couple the burr attachment to said Curved Burr Attachment or other chuck attachments for rotary motion of said wire shaft and locating the cutter of said burr attachment to a precise location relative to the end of the Curved Burr Attachment or other chuck attachments. A dimple and annular groove are formed in the proximal end support and distal end support respectively to avoid the cutter from being inadvertently dislodged. A significant purpose of the burr attachment is that it is disposable while the chuck or the adapter of the Curved Burr Attachment is re-usable. | 11-11-2010 |
20110004216 | TIBIAL RASP - Methods and apparatus for arthroscopically-assisted preparation of the tibia to accept an unicompartmental implant that includes the step of removing bone from the tibial plateau to correct depth, diameter and proper angle by employing a tibial rasp comprising a cutter with a plurality of teeth on the bottom surface and a side surface (for example, the front side). The tibial rasp may be used in conjunction with an additional starter rasp that can cut only in one direction (for example, cutting to establish only the depth of the tunnel or socket). | 01-06-2011 |
20110066154 | Surgical File Instrument Construction with Mechanism to Convert Rotary Motion to Reciprocal Motion - A surgical file instrument comprising a file, file guide, an outer split casing, a motion converter converting rotary motion to reciprocal motion and file assembly. The file assembly consists of an angular shaped elongated tube fairing into a generally flat portion defining the guide for the blade of the file, a complementary shaped file and a plastic rod insert having a lumen for the file and a lumen defining a passage for flowing a fluid to the surgical site. The motion converter consists of a planetary gear system connected to the battery powered motor that rotates a platen which in turn drives a cam and cam follower fitted into the cam slot for driving a drum for producing rectilinear motion. The file assembly is attached to the drum for reciprocating the file blade for use in a medical procedure for removing bone or a portion thereof. | 03-17-2011 |
20110066155 | Surgical file - A surgical file instrument including a surgical file assembly having an elongated tubular member with a guide/shield supporting the blade of the surgical file and being formed on the distal end thereof, the guide/shield portion being generally planar shaped and having an elongated longitudinally extending dimple defining a rail for guiding said blade and keeping it central and preventing wobbling. The side edges of said guide/shield extend upwardly and bear against the underside of the blade for supporting the same. | 03-17-2011 |
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 |
20110077654 | Spinal Disc Prosthesis Apparatus and Placement Method - A spinal disc prosthesis and method of placing a spinal disc prosthesis between adjacent vertebrae are provided. The inventive spinal disc prosthesis can comprise one or more solid, compressible prosthesis elements that are formed prior to the method of placing the prosthesis, or one or more solid prosthesis elements that are formed in situ. The inventive method of placing a spinal disc prosthesis between adjacent vertebrae of a patient is based on a posterior approach. The invention also includes a spinal disc prosthesis insertion apparatus and specially constructed surgical instruments for use in carrying out the method. | 03-31-2011 |
20110160733 | Modular prosthesis rasp - A modular prosthesis rasp comprises a rasp body having a rasp main body and at least one modular rasp body part connectable to the rasp main body. The rasp main body comprises a rasp body part receptacle for receiving the at least one rasp body part in a connected position in which the rasp main body and the at least one rasp body part are connected to each other, and in which the rasp body defines an outer contour defined partly by the rasp main body and partly by the at least one rasp body part. The rasp body part receptacle extends from an indentation, defining a distal end of the rasp body part receptacle, on a lateral side of the rasp main body to a proximal end of the rasp main body. A first tangential plane of the lateral side of the outer contour in the region of the indentation and a second tangential plane at a rasp body part contact surface, defined by the rasp body part receptacle and facing away from the rasp main body, in the region of the distal end of the rasp body part receptacle include an indentation angle which is less than 85°. | 06-30-2011 |
20110160734 | COMPOUND OFFSET HANDLE - A method for preparing a proximal femoral canal of a patient during total hip replacement surgery uses a shaping instrument or broach having a proximal portion with an anterior surface, and a posterior surface, each surface being spaced apart from a medial-lateral plane through the shaping instrument. A handle portion having a proximal portion having a first longitudinal axis is connected to a transition portion having a second longitudinal axis and a distal portion having a third longitudinal axis. Wherein the handle comprises a dual offset including a first compound bend between the transition portion and the proximal portion and wherein, when following a direction from the transition portion to the proximal portion, the first compound bend includes a bend in the posterior direction and a bend in the lateral direction, and wherein the first compound bend is less than 90 degrees. No plane extending through the proximal portion is coplanar with a plane extending through both the transition portion and the distal portion. | 06-30-2011 |
20110213371 | RECIPROCATING RASPS FOR USE IN AN ORTHOPAEDIC SURGICAL PROCEDURE - Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed. | 09-01-2011 |
20110213372 | RECIPROCATING RASPS FOR USE IN AN ORTHOPAEDIC SURGICAL PROCEDURE - Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed. | 09-01-2011 |
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 |
20120016368 | FLEXIBLE TISSUE RASP - Methods and devices are described for modifying tissue in a spine of a patient to treat or alleviate spinal stenosis. In one embodiment, a method may include: advancing at least a distal portion of an elongate tissue modification device into an epidural space and between target tissue and non-target tissue in the spine; positioning the tissue modification device so that at least one abrasive surface of the device faces target tissue and at least one non-abrasive surface faces non-target tissue; applying tensioning force at or near separate distal and proximal portions of the tissue modification device; and translating the tissue modification device back and forth while maintaining at least some tensioning force to abrade at least a portion of the target tissue with the at least one abrasive surface. Unwanted damage to the non-target tissue may be prevented via the at least one non-abrasive surface. | 01-19-2012 |
20120071880 | Disk Preparation Tool With Flexible Cutting Element - A tool for preparing vertebral surfaces following a discectomy has a body and a rotary cutting tool mounted at the distal end of a lever which extends through the body. The proximal end of the lever can be squeezed toward the body to force the cutting tool against the vertebral surface facing it, while the tool is rotated by turning a crank supported on the tool body, or by a motor. The cutting tool is preferably a flexible rasp or blade which can conform to and control the convexity of the prepared surface. | 03-22-2012 |
20120116403 | SURGICAL FILE SYSTEM - A reciprocating surgical file system for precisely removing bone and/or other tissue is described. The system allows a user to maneuver the system and navigate into hard-to-access sites. The tool may be used to perform a spinal decompression by removing tissue that impinges a spinal nerve. | 05-10-2012 |
20120116404 | RECIPROCATING CUTTING TOOL - The invention relates to a reciprocating cutting tool such as a surgical file system for precisely removing bone and/or other tissue material. The system allows a user to maneuver the system and navigate into hard to access site. The tool may be used to perform a spinal decompression by removing tissue that impinges a spinal nerve. | 05-10-2012 |
20120197258 | OSSCILATING RASP FOR USE IN AN ORTHOPAEDIC SURGICAL PROCEDURE - Oscillating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such oscillating rasps are also disclosed. | 08-02-2012 |
20120253349 | CANNULATED SACRAL INTRODUCER RASP DEVICE - A wire-guided system or device for increasing the size of an opening at the base of the spine during the performance of surgery such as back surgery. The device has barbs for increasing the size of the opening and a channel for accepting a typical guide wire. The channel reduces the need to remove and reinsert the guide wire. | 10-04-2012 |
20120259341 | FINISHING RASP AND ORTHOPAEDIC SURGICAL PROCEDURE FOR USING THE SAME TO IMPLANT A REVISION HIP PROSTHESIS - A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed. | 10-11-2012 |
20130018377 | INSTRUMENT FOR REMOVAL OF MATERIAL FROM WITHIN A BODY - An instrument for removing material from within the body includes a distal portion that includes an adjustable length relative to a proximal portion and a flexible member that circulates through the distal portion. The exposed portion of the flexible member extends from the distal portion to remove the material. | 01-17-2013 |
20130030440 | VERTEBRAL JOINT IMPLANTS AND DELIVERY TOOLS - A spinal joint distraction system for treating a facet joint including articular surfaces having a contour is disclosed and may include a delivery device including a generally tubular structure adapted to engage a facet joint, an implant adapted to be delivered through the delivery device and into the facet joint, the implant comprising two members arranged in opposed position, and an implant distractor comprising a generally elongate member adapted to advance between the two members of the implant causing separation of the members and distraction of the facet joint, wherein the implant is adapted to conform to the shape of the implant distractor and/or the articular surfaces of the facet upon being delivered to the facet joint. Several embodiments of a system, several embodiments of an implant, and several methods are disclosed including a method for interbody fusion. | 01-31-2013 |
20130296870 | RECIPROCATING RASPS FOR USE IN AN ORTHOPAEDIC SURGICAL PROCEDURE - Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed. | 11-07-2013 |
20130304070 | RECIPROCATING SURGICAL INSTRUMENT - A surgical rasping and/or shaving system functions 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 and/or shaving head which may be low profile and offer a flat cutting/rasping/shaving 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 system to provide ablation or coagulation of soft tissues. | 11-14-2013 |
20130310837 | POWERED TISSUE MODIFICATION DEVICES AND METHODS - A device for modifying tissue in a spine may include: a shaft having a proximal portion and a distal portion, the distal portion having dimensions which allow it to be passed into an epidural space of the spine and between target and non-target tissues; at least one distal force application member extending from the distal portion of the shaft and configured to facilitate application of at least one of anchoring force and tensioning force to the shaft; at least one movable tissue modifying member coupled with the shaft at or near its distal portion; at least one drive member coupled with the at least one tissue modifying member to activate the at least one tissue modifying member; and at least one power transmission member coupled with the at least one drive member to deliver power to the at least one drive member. | 11-21-2013 |
20130331842 | RECIPROCATING CUTTING TOOL - The invention relates to a reciprocating cutting tool such as a surgical file system for precisely removing bone and/or other tissue material. The system allows a user to maneuver the system and navigate into hard to access site. The tool may be used to perform a spinal decompression by removing tissue that impinges a spinal nerve. | 12-12-2013 |
20130338670 | SURGICAL FILE - A surgical file instrument including a surgical file assembly having an elongated tubular member with a guide/shield supporting the blade of the surgical file and being formed on the distal end thereof, the guide/shield portion being generally planar shaped and having an elongated longitudinally extending dimple defining a rail for guiding said blade and keeping it central and preventing wobbling. The side edges of said guide/shield extend upwardly and bear against the underside of the blade for supporting the same. | 12-19-2013 |
20140081274 | HYBRID FEMORAL HIP STEM BROACH - An instrument for preparing bone. The instrument includes a medial side having a plurality of extraction teeth extending over at least a portion of the medial side and an anterior side having a plurality of compaction teeth extending over at least a portion of the anterior side. The instrument further includes a lateral side having a plurality of extraction teeth extending over at least a portion of the lateral side and a posterior side having a plurality of compaction teeth extending over at least a portion of the anterior side. The medial side and lateral side also include a plurality of chip breakers extending over at least one of the plurality of extraction teeth, the chip breakers sized and shaped so as to evacuate bone from the instrument. | 03-20-2014 |
20140114318 | KNEE JOINT PROSTHESIS SYSTEM AND METHOD FOR IMPLANTATION - A method for preparing a first bone for receiving a prosthesis. The method includes coupling a revision alignment member to a template; positioning an offset alignment bushing relative to the revision alignment member; positioning the offset alignment bushing at the first bone such that an intramedullary member seated in the first bone extends through a passage defined by the offset alignment bushing; replacing the offset alignment bushing with a first bone cutting bushing; cutting the first bone using the first bone cutting bushing as a guide; replacing the first bone cutting bushing with an offset second bone cutting bushing; providing the second bone cutting bushing with a rotational orientation corresponding to a rotational orientation of the offset alignment bushing; and cutting the first bone using the offset second bone cutting bushing as a guide to prepare the bone to receive an offset prosthesis adapter. | 04-24-2014 |
20140163562 | FLEXIBLE TISSUE RASP - Methods and devices are described for modifying tissue in a spine of a patient to treat or alleviate spinal stenosis. In one embodiment, a method may include: advancing at least a distal portion of an elongate tissue modification device into an epidural space and between target tissue and non-target tissue in the spine; positioning the tissue modification device so that at least one abrasive surface of the device faces target tissue and at least one non-abrasive surface faces non-target tissue; applying tensioning force at or near separate distal and proximal portions of the tissue modification device; and translating the tissue modification device back and forth while maintaining at least some tensioning force to abrade at least a portion of the target tissue with the at least one abrasive surface. Unwanted damage to the non-target tissue may be prevented via the at least one non-abrasive surface. | 06-12-2014 |
20140171951 | BONE RASP APPARATUS AND METHOD - In some examples, an apparatus includes a working surface including at least one material removal member. The material removal member is configured to remove at least some of a first portion of a first material. A protrusion extends outwardly from the working surface. The protrusion extends beyond the at least one material removal member by a first distance. The protrusion is configured to inhibit the at least one material removal member from removing at least a second portion of the first material. The second portion has a thickness substantially equal to the first distance. | 06-19-2014 |
20140180293 | TISSUE MODIFICATION DEVICES - Described herein are elongate devices for modifying tissue having a plurality of flexibly connected rungs or links, and methods of using them, including methods of using them to decompress stenotic spinal tissue. These devices may be included as part of a system for modifying tissue. In general, these devices include a plurality of blades positioned on (or formed from) rungs that are flexibly connected. The rungs are typically rigid, somewhat flat and wider than they are long (e.g., rectangular). The rungs may be arranged, ladder like, and may be connected by a flexible connector substrate or between two or more cables. Different sized rungs may be used. The blades (on the rungs) may be arranged in a staggered arrangement. A tissue-collection or tissue capture element may be used to collect the cut or modified tissue. | 06-26-2014 |
20140276852 | BONE BROACH AND METHOD OF MANUFACTURING A BONE BROACH - A bone broach is formed from a plurality of substantially planar members which are positioned adjacent to each other with each of the substantially planar members attached to at least one other substantially planar member. At least some of the substantially planar members defines at least one cutting profile at its perimeter. The plurality of substantially planar members include a first group of substantially planar members defining planes which are substantially parallel to each other, and at least one additional substantially planar member defining a plane which is angled relative to the planes defined by the first group of substantially planar members. | 09-18-2014 |
20150025536 | GENDER SPECIFIC FEMORAL RASPS - Rasps for preparing bones of various patients to receive a prosthetic implant and a method for using the same. Multiple rasps may be provided as a set. Within the set, the rasps generally correspond to the size and shape of a single prosthetic implant, such as a prosthetic femoral hip stem, and have a range of bone removal and bone compression capabilities to account for unique bone characteristics of the various patients. A surgeon may select a desired rasp from the set provided depending on the patient's unique bone characteristics. | 01-22-2015 |
20150080898 | DISPOSABLE BURR ATTACHMENT - A burr attachment designed for use with a curved burr attachment or other chuck attachments that includes a tube with a wire shaft supported therein and a coil spring surrounding said wire shaft and having each of the coils touch the outer periphery surface of the wire shaft and the inner peripheral surface of said tube to enhance cooling of said outer periphery of said tube from the heat generated by said wire shaft and attenuate vibrations while allowing said burr attachment to be bent without kinking. | 03-19-2015 |
20150119893 | Method And Apparatus For Preparing An Implantation Site - A bone preparation system, such as a broach, includes at least a first member and a second member. The first member and the second member may be connected. Both the first member and the second member, when attached to the first member, are configured to directly contact and broach an anatomy. | 04-30-2015 |
20150127007 | INSTRUMENT HOLDER AND GRIP FOR A MEDICAL, PARTICULARLY A SURGICAL, INSTRUMENT - An instrument holder and grip for detachably connecting to a medical instrument, which has a basic body with a grip section and a connecting section for connecting to the medical instrument. A locking means movable from a release position into a locking position is provided in the connecting section for locking the medical instrument on the connecting section. The instrument holder and grip has lever elements connected together and each mounted pivotably on the basic body. A first element has an actuating lever arm and a second element moves the locking means. The holder permits significantly simplified cleaning and sterilization after use, while continuing to provide a reliable holding effect on the instrument. It is possible to dismantle the instrument holder into a few easily cleaned parts with a few simple actions and without small parts such as connecting pins or similar. | 05-07-2015 |
20150127008 | RECIPROCATING RASPS FOR USE IN AN ORTHOPAEDIC SURGICAL PROCEDURE - Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed. | 05-07-2015 |
20150289888 | INTERVERTEBRAL PROSTHESIS ENDPLATE HAVING DOUBLE DOME AND SURGICAL TOOLS FOR IMPLANTING SAME - An endplate for an intervertebral prosthesis includes a generally planar base plate, a first elevated region, or dome, within the base plate periphery, and a second elevated region, or dome, within the boundary of the first elevated region. The antero-posterior and side-to-side (medial-lateral) dimensions of the first elevated region are made to be unequal in order to provide resistance to torsional stresses, and the laterally opposite sidewalls of the first elevated region are defined by arcs that terminate in sagittal planes of the endplate, and are symmetrical with respect to a coronal plane of the endplate. A bone rasp and a groove cutter for use in implanting the prosthesis are also provided. | 10-15-2015 |
20150313615 | BONE CLEANING TOOL - The present invention is directed to systems, methods, tools and surgical procedures that provide for improved, faster and/or more efficient methods for cleaning bone of soft tissue in preparation for use in bone grafting and surgery, including specific applications particularly useful in fusion procedures and/or other surgeries of the lumbar, cervical, and/or thoracic spine and/or other anatomical locations, desirably allowing for faster and complete healing. | 11-05-2015 |
20150327873 | OSCILLATING RASP FOR USE IN AN ORTHOPAEDIC SURGICAL PROCEDURE - Oscillating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such oscillating rasps are also disclosed. | 11-19-2015 |
20160015399 | METHOD OF USING A FEMORAL SURGICAL INSTRUMENT - A method of using an orthopedic surgical instrument assembly that includes an instrument handle configured to clamp a broach and femoral stem trial assembly. A depth stop is configured to removably couple to the instrument handle. When the broach and femoral stem trial are advanced into a medullary canal of a patient's femur, a substantially planar proximal surface of the depth stop is configured to engage the distal surface of the femur, determining the depth of the broach in the medullary canal. The proximal surface of the depth stop is parallel to the joint line, defining an oblique angle to the anatomical axis of the femur. The depth stop may be attached to the instrument handle at a number of positions to control the depth of the broach. The assembly may include a spacer plate removably coupled to the depth stop that distalizes the broach in the medullary canal. | 01-21-2016 |
20160015400 | RECIPROCATING RASPS FOR USE IN AN ORTHOPAEDIC SURGICAL PROCEDURE - Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed. Some of the methods include inserting a guide pin into the glenoid of the patient, advancing a reciprocating surgical rasp over the guide pin, reciprocating the surgical rasp so as to abrade bone tissue to form a cavity shaped to receive the glenoid component, and implanting the glenoid component in the cavity. | 01-21-2016 |
20160166261 | Devices and Methods for Preparing an Intervertebral Workspace | 06-16-2016 |