Class / Patent application number | Description | Number of patent applications / Date published |
623210120 | Wrist bone | 46 |
20090216333 | WRIST IMPLANTS - An implant system and apparatus configured to permit motion of the wrist in at least one physiological direction, as well as in a dart thrower's motion, and constrain motion of the wrist in at least one non-physiological direction are provided. The implant according to one embodiment includes a distal component and proximal component. Each of the distal and proximal components includes a primary articulating portion and a secondary articulating portion. Primary and secondary articulating portions include at least one component having either a substantially convex or a substantially concave shape. The secondary articulating portion is configured to be radially and volarly disposed in relation to the primary articulating portion. | 08-27-2009 |
20090319050 | Method and Apparatus for Wrist Arthroplasty - A wrist prosthesis system to replace at least a portion of a bone of a wrist of a patient. The system includes a carpal implant to replace at least a portion of a carpal bone of a carpal complex of the patient. The carpal implant includes a base and an augment that replaces at least a portion of the carpal bone. The augment is removably coupled to the base. | 12-24-2009 |
20100010636 | Method and Apparatus for Wrist Arthroplasty - A prosthesis for placement relative to a carpal complex of a wrist can generally include a carpal implant having a body including an ulnar flange and a radial flange. The body can have a bone abutment surface and at least one flange extending from the bone abutment surface. The at least one flange can extend from the bone abutment surface a distance that spans at least one bone in an implanted position. The at least one flange can have a securing aperture that selectively receives a bone screw that advances into an identified bone of the carpal complex. A wrist bearing component can selectively mate with the carpal implant. | 01-14-2010 |
20100076568 | PROSTHETIC WRIST IMPLANT - A wrist implant requires minimal resection of the distal radius and preserves the sigmoid notch and articulation with the head of the distal ulna. The wrist implant generally includes a radius portion, a carpal portion and a carpal ball. The wrist implant includes a primary articulation and a secondary rotational articulation. The primary articulation occurs between the radius portion and the carpal ball. The secondary articulation occurs between the carpal ball and the carpal portion. | 03-25-2010 |
20100324694 | TRAPEZIOMETACARPAL JOINT IMPLANT AND ASSOCIATED METHODS - A trapeziometacarpal joint implant includes a body defining a median plane, a metacarpal joint surface, and a trapezium joint surface. A first central region of the metacarpal joint surface is situated on an opposite side of the median plane from a second central region of the trapezium joint surface. The first and second central regions correspond to profiles of a first axial segment and a second axial segment, respectively. The first and second axial segments are one of a cylinder, a cone and a torus and are centered on a first axis and a second axis, respectively, where the first and second axes, as projected on the median plane, are substantially perpendicular to each other. | 12-23-2010 |
20110029094 | RETRIEVAL OF ORTHOPEDIC JOINT DEVICE - Delivery and retrieval systems for delivering or retrieving a shape-changing percutaneously implantable orthopedic device joint prosthesis that can move between a generally arcuate configuration and a substantially straightened or slightly curved configuration. The orthopedic device can be delivered with a needle that is joint expanding, actuating, pivotable, or can include a balloon. The orthopedic device acts as a soft compliant bearing surface or cushion that minimizes the bone-on-bone wear from articulation and loading and may include a covering or coating with tissue or an expanding hydrophilic material. The orthopedic device delivery system can include a loading device with a channel for storing the orthopedic device in a non-straightened configuration and orienting the orthopedic device in the proper implantation orientation. The orthopedic device can be advanced or retrieved through the loading device with a knob and/or a flexible plunger. | 02-03-2011 |
20110054627 | Biologic Soft Tissue Arthroplasty Spacer and Joint Resurfacing of Wrist and Hand - A arthroplasty spacer formed of a biologic soft tissue and methods for surgically treating symptomatic trapezio metacarpal joint arthritis and symptomatic arthritis of scapho trapezial trapezoid joint using the biologic soft tissue spacer are provided. | 03-03-2011 |
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 |
20110077744 | Resurfacing Implant for the Wrist and Method of Implantation Thereof - A modular resurfacing implant for a radioscaphoid joint of a wrist includes a stem and an articular component coupled to the stem. The stem includes a threaded body for implantation into a distal radius and a connection member positioned at a second end of the stem. The articular component includes a body member configured to resurface a scaphoid fossa of the distal radius. The body member includes a concave top surface matching a curvature of the scaphoid fossa and a bottom surface having a post extending therefrom that is configured to mate with the connection member of the stem. The articular component is configured to resurface the scaphoid fossa while leaving a lunate fossa of the distal radius intact. | 03-31-2011 |
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 |
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 |
20120136453 | WRIST PROSTHESIS - A carpal plate for use in a wrist replacement prosthesis includes at least three non-linearly aligned, internally threaded openings, each opening defining a thread-screw axis with at least one thread-screw axis divergent from the other two thread-screw axes; and further including hollow core screws for the injection of a cement compound to aid in anchoring the screws into the cancellous portion of the carpal bones. | 05-31-2012 |
20120150308 | PROSTHETIC WRIST IMPLANT - A wrist implant requires minimal resection of the distal radius and preserves the sigmoid notch and articulation with the head of the distal ulna. The wrist implant generally includes a radius portion, a carpal portion and a carpal ball. The wrist implant includes a primary articulation and a secondary rotational articulation. The primary articulation occurs between the radius portion and the carpal ball. The secondary articulation occurs between the carpal ball and the carpal portion. | 06-14-2012 |
20120158153 | TRAPEZIUM PROSTHESIS - A trapezium prosthesis is provided which includes a body having a frustocylindrical shape, the frustocylindrical shape including a frustum and an oppositely disposed planar base, the frustum being canted relative to a planar base. The prosthesis may be made of a swellable fluid absorbing polymer which imparts flexibility and/or resiliency to the prosthesis. The swellable fluid absorbing polymer may also provide the surface of the prosthesis with lubricity. In embodiments, the prosthesis has a first configuration and a second configuration, the first configuration being of reduced size relative to the second configuration. The prosthesis may also include a reinforcement member. In embodiments, the prosthesis includes a stem projecting outwardly from the frustum. | 06-21-2012 |
20120185056 | CARPOMETACARPAL (CMC) JOINT ARTHROPLASTY IMPLANTS AND RELATED JIGS AND METHODS - Thumb carpometacarpal (CMC) joint implants include a trapezium implant defining an articulating surface and a cooperating first metacarpal implant with a base portion of the first metacarpal defining an articulating surface. The first metacarpal base articulating-surface is configured to articulate against the trapezium implant articulating surface. | 07-19-2012 |
20120259418 | Sigmoid Notch Implant - A sigmoid notch resurfacing prosthesis for application to the sigmoid notch of the distal radius. The sigmoid notch prosthesis generally includes a saddle and a radius portion for attachment to the distal radius. The saddle may be formed from ultra high molecular weight polyethylene or another durable self-lubricating material. The saddle includes an at least partially concave contoured depression having rounded edges that is securable to the radius portion. The saddle may be secured by a sliding notch snap fit design. The prosthesis may be adapted for articulation with the natural head of the ulna or with an ulnar head prosthesis that has replaced the ulnar head. | 10-11-2012 |
20130053974 | WRIST IMPLANTS AND METHODS - Wrists implants and methods are disclosed. A wrist implant can advantageously allow motion with respect to a reconstructed wrist to more closely resemble natural motion. For example, in one aspect, motion can include movement in more than one direction to allow for flexion/extension, rotational, and translational movement. The wrist implant can include a radial implant component and/or a carpal implant component with a bearing component or member disposed therebetween. The radial implant can have a radial articulation surface having at least one variable radius of curvature and/or a tray having a variable width. | 02-28-2013 |
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 |
20130218285 | PARTIAL OR COMPLETE PROSTHETIC REPLACEMENT ARTHROPLASTY OF THE DISTAL RADIOLULNAR JOINT - System, including methods, apparatus, and kits, for replacement of at least one surface region of a distal radioulnar joint using at least one prosthesis. In some embodiments, the system may provide restoration of normal, unconstrained biomechanics of the joint, which may preserve rotation and translation and ensure durability of the joint. | 08-22-2013 |
20130226306 | POLYCARBONATE URETHANE JOINT IMPLANT - A compressive force and compressive-shear force joint implant including a head defining at least one wear contact surface. At least the at least one wear contact surface is manufactured from a polycarbonate urethane material. The implant may further include a stem extending from the head opposite of the wear contact surface. The head may also be configured to define a second wear contact surface distinct from the first wear contact surface. | 08-29-2013 |
20130245778 | PROSTHESIS FOR DISTAL RADIOULNAR JOINT - Among other things, there are disclosed embodiments of implants for repairing or relieving damage to the distal radioulnar joint. A component for replacing at least part of the ulnar head includes a concave surface for accommodating a convex surface of a component for attachment to the radius, e.g. in the sigmoid notch of the radius. | 09-19-2013 |
20130297033 | PARTIAL OR COMPLETE PROSTHETIC REPLACEMENT ARTHROPLASTY OF THE DISTAL RADIOULNAR JOINT - System, including methods, apparatus, and kits, for replacement of at least one surface region of a distal radioulnar joint using at least one prosthesis. In some embodiments, the system may provide restoration of normal, unconstrained biomechanics of the joint, which may preserve rotation and translation and ensure durability of the joint. | 11-07-2013 |
20130331947 | UPPER EXTREMITY FUSION DEVICES AND METHODS - A fusion implant and fusion members for fusing target bones of an upper extremity. The fusion implant including internally threaded apertures of a first thread lead, and the fusion members including threading of the first thread lead and threading of a second thread lead that is less than the first thread lead. The fusion implant and a targeting instrument being configured to couple to one another in a predefined orientation. The predetermined orientation resulting in alignment of aspects of the fusion implant with aspects of the targeting instrument. A guide clamp for facilitating forming of an implant cavity in adjacent bones for implantation of the fusion implant therein. A surgical method for facilitating fusion of adjacent target bones utilizing a fusion implant, fusion members, a targeting instrument and a guide clamp to reduce space between the adjacent bones such that they at least abut one another. | 12-12-2013 |
20140018930 | PROSTHESIS FOR ARTHRODHESIS - A prosthesis for primary artrodhesis can be used for artroplasty and a prosthesis for artroplasty comprises members for artrodhesis. The prosthesis ( | 01-16-2014 |
20140074247 | JOINT RECONSTRUCTION SYSTEM AND METHOD - The implant ( | 03-13-2014 |
20140148912 | Prosthesis - A prosthesis for implantation in an animal or human subject, said prosthesis comprising a first component for attaching to a radius bone in use and a s second component for attaching to an ulna bone in use, the prosthesis further comprising a linage for linking the first and second components substantially rigidly with respect to one another in use. Preferably the prosthesis is configured to allow the linkage to move relative to the first and/or second components and be retained substantially rigidly at a selected position in normal use, such that the first and second components can be retained substantially rigidly relative to one another in normal use. | 05-29-2014 |
20140194999 | DEVICES, IMPLEMENTS AND METHODS FOR THE TREATMENT OF A MULTI-AXIS JOINT - Devices, implements and methods are provided for performing trapezioplasty of the osteoarthritic trapezium. Once a palmar osteophyte has been removed from the trapezium bone, a trapezial rasp is used to shape the central portion of the trapezium bone into an initial saddle shape. A contouring tool having a double curvature reverse saddle shape is used to contour the trapezium bone into a final, smooth saddle shape. | 07-10-2014 |
20140277552 | JOINT REPLACEMENT SPACERS - Devices and methods are disclosed for joint replacement. | 09-18-2014 |
20140277553 | Ulnar Head Replacement Implant System - Embodiments of the invention may provide a stem and a head and a liner that can be assembled together to form an implant, such as may be used in repair of the distal ulnoradial joint. A given head and liner and stem may be assembled to each other in more than one configuration, providing more than one possible external shape for a given set of stem and head and liner. The head may be non-symmetric about its midplane and may be open at both ends. A kit may contain more than one head assemblable to a given stem with an intermediate liner, with the various heads providing various different external shapes of the device. | 09-18-2014 |
20140358243 | METHOD OF RECONSTRUCTING A PATIENT'S WRIST - A method of reconstructing a patient's wrist. A prosthesis is provided having proximal and distal assemblies. The distal assembly has a body with a U-shaped portion. The proximal and distal assemblies have surfaces that cooperate to guide movement between the proximal and distal assemblies. The proximal assembly is fixed to the patient's radius. The hand is prepared for placement of the distal assembly by removing cartilage against a plurality of carpal bones without significantly altering the configuration of stable volume of at least one of the patient's carpal bones in the first carpal row. The U-shaped portion of the body is placed against a plurality of bones in the first carpal row. Separate locations on the body are secured to a plurality of carpal bones. | 12-04-2014 |
20140358244 | PROSTHESIS - A prosthesis having: a) a first assembly with a first base portion to be placed against, and operatively secured to, a patient's first bone; and b) a second assembly with a second base portion to be placed against, and operatively secured to, a patient's second bone. The first and second assemblies respectively define first and second surfaces that cooperate with each other to guide articulated movement between the first and second bones. At least one of the first and second base portions is configured to cooperate with a separate first component defining at least a part of one of the first and second surfaces to maintain the first component in an operative state. A second component is configured to define at least a part of the one of the first and second surfaces and can be placed in an operative state selectively in place of the first component. | 12-04-2014 |
20140364957 | 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. | 12-11-2014 |
20150100132 | METHOD AND APPARATUS FOR WRIST ARTHROPLASTY - A method of implanting a wrist prosthesis in a distal portion of an ulna for articulation at least near a radius and a carpal complex of a wrist joint is provided. The method can include forming an incision near a distal portion of the radius and ulna joint. The method can also include resecting a distal portion of the ulna and positioning a stage member in a fixed position relative to the ulna. The method can further include sliding a bearing member relative to the stage member to hold the bearing member relative to the stage member and the distal ulna. The method can also include fixing the bearing member to a bearing fixation member extending from the stage member, and attaching soft tissue to at least one of the bearing member and the stage member. | 04-09-2015 |
20150142125 | ORTHOPAEDIC IMPLANT WITH DYNAMIC TRANS-FIXATION SLOT - An orthopaedic implant for use with a fastener having at least one of threads and grooves includes a body defining a long axis. The body includes an inner wall defining an elongated slot. The inner wall includes a pair of opposing walls and a single projection disposed on the inner wall. When the fastener is inserted into the slot, the single projection slidably fits within a groove of the fastener to limit sliding of the implant over the fastener along an axis substantially transverse to the long axis and to permit sliding of the implant over the fastener along the long axis. | 05-21-2015 |
20150297355 | ARTIFICIAL IMPLANT FOR CARPOMETACARPAL JOINT - An artificial implant for a carpometacarpal (CMC) joint used for replacing a CMC joint surface of the first metacarpal bone is provided and has: an insert portion having an inserting end for inserting into a bone marrow cavity exposed from an incision of the first metacarpal bone, and a front end; an articular replacement portion connected to the front end of the inserting portion and disposed outside the incision of the first metacarpal bone, and having an articular profile surface to replace the CMC joint surface of the first metacarpal bone; and an attached flange protruded from a peripheral of the articular replacement portion, attached to an outer bone surface of the first metacarpal bone adjacent to the incision, and having at least one suture hole, through which at least one suture passes for assisting to fix an abductor pollicis longus (APL) to the outer bone surface. | 10-22-2015 |
20160106545 | ARTIFICIAL IMPLANT FOR TRAPEZIOMETACARPAL JOINT - An artificial implant for a trapeziometacarpal joint is provided. The artificial implant has a joint replacement portion and at least two insertion rods. The insertion rods of the artificial implant can help to decrease the wound area during the implantation of the artificial implant in order to accelerate the speed of tendon reattachment after implanting and to enhance the ability of anti-rotation. | 04-21-2016 |
20160374817 | PROSTHESIS - A prosthesis for primary artrodhesis can be used for artroplasty and a prosthesis for artroplasty comprises members for artrodhesis. The prosthesis ( | 12-29-2016 |
623210130 | Ball and socket joint | 4 |
20130090738 | IMPLANTABLE WRIST JOINT ASSEMBLY WITH SPHERICAL INTER-SUPPORT - A multi-component wrist joint assembly incorporated into reconditioned end surfaces established between an upper radius bone and at least opposing lower scaphoid and lunate bones. A first component is anchored into the upper radius reconditioned end surface and exhibiting a first exposed support surface. A second component is anchored into the lower scaphoid and lunate reconditioned end surfaces and exhibiting a second exposed support surface. A spherical shaped intermediate component is supported in at least one of eccentric or rotational fashion between the first and second anchored components. | 04-11-2013 |
20130338784 | CARPOMETACARPAL PROSTHESIS SYSTEM AND METHOD OF USING SAME - A carpometacarpal prosthesis system generally includes a trapezial implant for replacing an excised trapezium within a human hand and a component stem implant for replacing a partially excised first metacarpal. The component stem implant is adapted to be press fit within the medullary cavity of the partially excised first metacarpal bone of the human hand; the component stem when so implanted is adapted to effect universal movement of the first metacarpal bone relative to the trapezial implant thereby providing a restructured thumb metacarpal joint that restores substantially normal thumb function in terms of strength and flexibility. | 12-19-2013 |
20140100664 | Wrist Implant for Carpal Hemiarthroplasty - An implant for carpal hemiarthroplasty includes an articular component having a convex articular surface shaped to generally conform to an unresected distal end of a radius bone. A bearing component is rigidly fixed to the articular component opposite the convex articular surface and has a bearing surface. A carpal plate is rotatably attachable to the bearing component and has a proximal surface and a distal surface. The proximal surface has a contour that substantially conforms to the bearing surface. | 04-10-2014 |
20140288660 | Prosthetic Wrist Implant - A wrist implant requires minimal resection of the distal radius and preserves the sigmoid notch and articulation with the head of the distal ulna. The wrist implant generally includes a radius portion, a carpal portion and a carpal ball. The wrist implant includes a primary articulation and a secondary rotational articulation. The primary articulation occurs between the radius portion and the carpal ball. The secondary articulation occurs between the carpal ball and the carpal portion. | 09-25-2014 |
623210140 | Lunate or scaphoid bone | 5 |
20090204224 | Method And Apparatus For Wrist Arthroplasty - A wrist prosthesis system to replace at least a portion of a bone of a wrist of a patient. The system includes a carpal implant to replace at least a portion of a carpal bone of a carpal complex of the patient. The carpal implant includes a base and an augment that replaces at least a portion of the carpal bone. The augment is removably coupled to the base. | 08-13-2009 |
20130304223 | INTERPOSITION IMPLANTS FOR THE HAND - An implant couples a first bone of a hand to a second bone of the hand. The implant includes a body that defines a median plane. The body also defines a first joint surface having a first central region that articulates with the first bone. The body further defines a second joint surface having a second central region that articulates with the second bone, and the second central region is disposed on an opposite side of the median plane of the body relative to the first central region. The first and second central regions correspond to profiles of first and second axial segments, respectively, the first and second axial segments are each one of a cylinder, a cone and a torus and are centered on first and second axes, respectively, and the first and second axes, as projected on the median plane, are substantially perpendicular to each other. | 11-14-2013 |
20140094924 | ORTHOPAEDIC IMPLANTS - A method for making an orthopaedic implant, the method comprising: characterizing at least a portion of a bone corresponding to the bone to be replaced, said corresponding bone being on the contralateral side of the patient; providing a model of the orthopaedic implant based on a mirror image of the contralateral bone; and forming the orthopaedic implant based on the model. | 04-03-2014 |
20140316529 | BONE PROSTHESIS FOR MAINTAINING JOINT OPERATION IN COMPLEX JOINTS - A prosthesis for reconstructing a multibone joint such as a wrist. A patient's scaphoid is removed to create a void. The scaphoid has a plurality of adjacent bones, each of the adjacent bones comprising a surface generally facing the void. The surface of at least two of the adjacent bones is prepared by affixing a magnetic element thereto and a magnetic scaphoid implant is inserted into the void. A magnetic relationship exists between the magnetic elements and the magnetic scaphoid implant. | 10-23-2014 |
20160250031 | SCAPHOLUNATE STABILIZATION IMPLANT | 09-01-2016 |