Class / Patent application number | Description | Number of patent applications / Date published |
623190130 | Humeral and glenoid bones | 55 |
20090062923 | Method and apparatus for shoulder arthroplasty - A prosthetic shoulder implant includes a humeral component having an anchor and a head, and a glenoid component. The glenoid component is defined by a body having an outer surface including one or more tissue and bone in-growing material areas, a concave inner surface for accepting the head of the humeral component, and defining a stop portion which prevents the head of the humeral component from moving upwardly into contact with the acromion or clavicle. A method of total shoulder arthroplasty includes locating the humeral and glenoid components so that the glenoid component prevents movement of the humeral component into contact with the acromion or clavicle, and such that the glenoid component is permanently anchored to the patient by tissue and bone ingrowth into the outer surface of the component. | 03-05-2009 |
20090281630 | SHOULDER PROSTHESIS AND SET OF INSTRUMENTS FOR THE IMPLANTATION THEREOF - This shoulder prosthesis, comprising a glenoid element ( | 11-12-2009 |
20090292364 | SHOULDER IMPLANT WITH FIRST AND SECOND COMPOSITE SUB-ASSEMBLIES AND IMPROVED MOUNTING ANCHORS FOR ESTABLISHING A SECURE JOINT - The present invention discloses an improved shoulder joint implant assembly including a plastic ball secured to a first joint defining bone end face and a plastic receiver secured to a second joint defining bone end face. Each of the ball and receiver implants are constructed of a composite hardened plastic with a softened cartilage wear surface plastic. A fastener is secured to the first joint defining bone end face and over which is mounted the plastic ball. Anchoring of the receiver is established by a pair of integrally formed and inwardly extending mounting tabs, these further extending into further recess machined cavities in the first bone. | 11-26-2009 |
20100016975 | Glenoid Component For Shoulder Arthroplasty - A glenoid component apparatus for shoulder arthroplasty includes a bearing portion and a stem portion connected to the bearing portion. The stem portion is modeled from a normalized glenoid vault morphology. A method for making a glenoid component for shoulder arthroplasty includes obtaining a model of a normalized glenoid vault morphology and producing a stem portion of the glenoid component based on the model. | 01-21-2010 |
20100063593 | SHOULDER JOINT IMPLANT - A prosthetic implant comprising a head having a spherical pyrocarbon shell ( | 03-11-2010 |
20100222886 | SHOULDER ARTHROPLASTY SYSTEM - An implant system for total shoulder arthroplasties, hemi shoulder arthroplasties, and “reverse” total shoulder arthroplasties including a humeral stem having an enlarged head portion with interfaces adapted to removably receive various modular interchangeable components, such as articulating liners, spacers, and adapter inserts. The humeral stem functions as a universal platform that may be used in either conventional or “reverse” total shoulder arthroplasties, as well as hemi shoulder arthroplasties, and may remain implanted in place during a revision in which the implant system is converted between the foregoing configurations, for example. | 09-02-2010 |
20100228352 | GLENOID IMPLANT ANCHOR POST - A prosthesis that mechanically couples with both cancellous bone and cortical bone of a glenoid includes a head portion comprising a rear surface and an articular surface, an anchor member, and a plurality of deformable fins extending radially outward from the anchor member. The anchor member includes a distal end and a proximal end connected to the rear surface of the head portion. The plurality of deformable fins extend radially outward from the anchor member and includes at least a first proximal fin adjacent to the rear surface of the head portion positioned to engage with the cortical bone. The anchor member may also include at least one distal fin located proximate the distal end of the anchor member positioned to engage with the cancellous bone. | 09-09-2010 |
20100234959 | MOTION INDUCING REVERSE SHOULDER ASSEMBLY - One embodiment of the present invention relates to a reverse shoulder assembly. Another embodiment of the present invention relates to a reverse shoulder assembly method of use. In one example, a reverse shoulder assembly of the present invention may be provided such that the reverse shoulder assembly alters the abduction force created by a patient's deltoid to a forward flexion force. In one example, a reverse shoulder assembly of the present invention may be provided such that the reverse shoulder assembly alters the abduction force created by a patient's deltoid to an external rotation force. In one example, a reverse shoulder assembly of the present invention may be provided such that the reverse shoulder assembly alters the abduction force created by a patient's deltoid to an external rotation force and a forward flexion force. | 09-16-2010 |
20100274359 | JOINT PROSTHESIS ATTACHMENT SYSTEM, DEVICE AND METHOD - Prosthetic systems, devices, and methods for attaching prosthetic joint components to a vault-shaped portion of the anatomy. A device for attaching a glenoid joint component for a shoulder prosthesis to a glenoid cavity includes a body adapted to extend into the cortical bony vault of the glenoid cavity for supporting the glenoid joint component and a plurality of contact arms secured to the body and projecting outwardly from a central longitudinal axis of the body to define contact surfaces for engaging an internal face of a peripheral wall of a glenoid vault. | 10-28-2010 |
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 |
20110098822 | INTRA-ARTICULAR JOINT REPLACEMENT - A method of forming a shoulder prosthesis includes forming a concave articular surface into an end portion of a humerus, including compacting bone of the end portion to define the concave articular surface. An implant having a convex articular surface is secured to a glenoid. The concave articular surface of the humerus is articulated with the convex articular surface of the implant. | 04-28-2011 |
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 |
20110125273 | GLENOID COMPONENT WITH OFFSET CENTER AND ASSOCIATED METHODS - A glenoid component having an offset center of articulation and associated systems and methods. | 05-26-2011 |
20110166661 | APPARATUS FOR FITTING A SHOULDER PROSTHESIS - Method and set of surgical instruments for fitting a shoulder prosthesis, and the shoulder prosthesis. The proposed method seeks to interpose a bone graft between the previously prepared glenoid surface of a scapula of a patient's shoulder and the face of a glenoid prosthetic component opposite the articular surface. The set of instruments permit the bone graft to be taken from the upper epiphysis of the humerus, either in situ or ex vivo. | 07-07-2011 |
20110178603 | Acromion Spacer - A prosthesis assembly for use with a scapula in one embodiment includes an acromion spacer unit, a first articulation surface on an inferior surface of the acromion spacer unit, a bone contacting surface on a superior surface of the acromion spacer unit, and a bone mounting member extending sideways from the acromion spacer unit and oriented such that when the acromion spacer unit is mounted on a scapula, the acromion spacer unit is positioned at a height above the height of a midpoint of a glenoid fossa of the scapula. | 07-21-2011 |
20110276144 | Mobile Bearing Glenoid Prosthesis - A prosthesis assembly configured for use with a scapula in one embodiment includes a spherical humeral component, an elongated glenoid bearing including a first bearing surface with (i) a first spherical end portion with a first radius of curvature, (ii) a second spherical end portion with a second radius of curvature, and (iii) a central portion located between the first spherical end portion and the second spherical end portion, and a first coupling portion extending from a second bearing surface opposite the bearing surface, and a base configured to rotatably support the elongated glenoid bearing, wherein the first radius of curvature is substantially equal to the second radius of curvature and the central portion does not have a radius of curvature that is substantially equal to the second radius of curvature. | 11-10-2011 |
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 |
20120089233 | GLENOID IMPLANT - A cup intended to interact with a prosthetic humeral head has a generally circular shape and positioning and anchoring devices for embedding the cup in an anatomical glenoid cavity in such a way that a load-bearing and sliding surface of the cup is integrated into the continuity of the anatomical cavity so as to be perfectly congruent with the humeral head. | 04-12-2012 |
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 |
20120150306 | HINGE STRUCTURE - The invention relates to a three-dimensional hinge ( | 06-14-2012 |
20120172992 | SHOULDER PROSTHESIS WITH INSERT FOR LOCKING SCREWS - An insert ( | 07-05-2012 |
20120271426 | MOTION INDUCING REVERSE SHOULDER ASSEMBLY - One embodiment of the present invention relates to a reverse shoulder assembly. Another embodiment of the present invention relates to a reverse shoulder assembly method of use. In one example, a reverse shoulder assembly of the present invention may be provided such that the reverse shoulder assembly alters the abduction force created by a patient's deltoid to a forward flexion force. In one example, a reverse shoulder assembly of the present invention may be provided such that the reverse shoulder assembly alters the abduction force created by a patient's deltoid to an external rotation force. In one example, a reverse shoulder assembly of the present invention may be provided such that the reverse shoulder assembly alters the abduction force created by a patient's deltoid to an external rotation force and a forward flexion force. | 10-25-2012 |
20130053969 | MULTI-COMPONENT IMPLANT ASSEMBLY WITH DUAL ARTICULATING AND/OR ROTATING SURFACES - An implant assembly for re-establishing a glenohumeral joint between a scapula and humerus. A first receiver is adapted to being mounted to a reconditioned glenoid cavity defined in the scapula, with a second receiver adapted to being mounted to a reconditioned humeral head associated with the humerus. A three dimensional and at least partially spherical shaped element is interposed between the first and second receivers for establishing at least one of articulating and rotating support at respective and spaced apart seating profiles. | 02-28-2013 |
20130053970 | MULTI-COMPONENT SHOULDER IMPLANT ASSEMBLY WITH DUAL ARTICULATING SURFACES - An implant assembly for re-establishing a glenohumeral joint between a scapular and humerus. A ball is adapted to being mounted to a reconditioned glenoid cavity defined in the scapula along with a receiver mounted to a reconditioned humeral head associated with the humerus. A substantially spherical shaped element is interposed between the ball and receiver and establishes first and second articulating surfaces. A concave recess is defined in an exposed face of the ball for seating in articulating fashion a portion of the spherical element. A concave recess is defined in the spherical shaped element for seating in articulating fashion an exposed portion of the scapula mounted ball. Each of the ball, spherical element and receiver is constructed of an alternating material including at least one of a polymer, polymer composite, metal, metal composite or polymer/metal admixture. | 02-28-2013 |
20130060341 | GLENOIDAL COMPONENT, SET OF SUCH COMPONENTS AND SHOULDER PROSTHESIS INCORPORATING SUCH A GLENOIDAL COMPONENT - This glenoidal component for a shoulder prosthesis comprises a base which may be immobilized on the glenoid cavity of a shoulder, and an element provided to be mounted on this base and forming a convex surface of articulation centred on an axis of symmetry. This axis of symmetry is non perpendicular to a rear face of the base intended to abut against the glenoid cavity, this making it possible to compensate a defect in parallelism between the resectioned surface of the glenoid cavity and the axis of the patient's spinal column. | 03-07-2013 |
20130066433 | GLENOID SUPPORT FOR SHOULDER PROSTHESIS - Glenoid support for shoulder prostheses, able to be applied to the glenoid cavity ( | 03-14-2013 |
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 |
20130090737 | IMPLANTABLE PROSTHESES - Prosthesis, tools and surgical methods treat joint instability by avoiding loosening over time. A shoulder prosthesis includes a humeral member with a humeral joint surface and a humeral fixation member and a glenoid member comprising a glenoid body with a glenoid joint surface, and a glenoid fixation member attaching the glenoid body to a scapula. The glenoid fixation member may be attached orthogonally to the scapula. A dampener may be included to absorb loads that may loosen one or more components of the prosthesis. | 04-11-2013 |
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 |
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 |
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 |
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 |
20130297030 | VARIABLE ANGLE REVERSE HUMERAL TRAY - A prosthesis comprising: a humeral stem; a humeral cup; and, a variable angle tray coupled to the humeral stem and the humeral cup, the variable angle tray comprising: a plate including an arcuate wall at least partially defines an internal cavity, a bearing adapted to occupy at least a portion of the internal cavity, the bearing being axially and rotationally repositionable with respect to the plate, the bearing operative to selectively expand in at least one dimension to wedge the bearing against the arcuate wall to inhibit axial and rotational repositioning of the bearing with respect to the plate, and a projection adapted to be coupled to the bearing, the projection also adapted to be coupled to the humeral stem in order to mount the variable angle tray to the humeral stem, where the arcuate wall is sized to retain a portion of the bearing within the internal cavity. | 11-07-2013 |
20130325131 | REVERSE SHOULDER HUMERAL ADAPTER TRAYS - Disclosed herein are components of a reverse shoulder prosthesis. In an embodiment, a reverse shoulder prosthesis includes a humeral adapter tray configured to sit near a resected surface of a humerus, the humeral adapter tray comprising: a cavity; a central bore; and a distal face including a boss, the boss: (i) configured as an extension of the distal face, (ii) posteriorly offset from the central bore by at least 10 mm, and (iii) configured to engage a humeral stem; and a humeral liner comprising: a distal rim configured to sit within the cavity of the humeral adapter tray; and a concave articulating surface configured to mate with a convex articulating surface of a glenosphere. In an embodiment, the boss, in addition to being posteriorly offset, is superiorly offset from the central bore by at least 8 mm. In an embodiment, the reverse shoulder a humeral stem which engages the boss. | 12-05-2013 |
20140025173 | GLENOID IMPLANTS HAVING ADJUSTABLE BASE PLATES - A glenoid implant for a shoulder prosthesis is adapted to be implanted in the glenoid of a patient. The glenoid implant includes an articular body for articulating the glenoidal implant with a humeral component. A plate supports the articular body. An anchoring mechanism for anchoring the glenoid implant along an anchoring axis is adapted to be secured to the glenoid. A securing mechanism secures the plate in position relative to the anchoring mechanism and the glenoid. An adjustment mechanism facilitates selectively adjusting the position of the plate, before it is secured in position by the securing mechanism, in rotation about the anchoring axis and in translation transversely relative to the anchoring axis. | 01-23-2014 |
20140039633 | PROSTHETIC DEVICES TO IMPROVE JOINT MECHANICS IN ARTHROPLASTY - Disclosed herein is a kit that includes a humeral stem having a central longitudinal axis, the humeral stem configured to attach to a resected bone; a first tuberosity component having a first thickness relative to the central longitudinal axis of the humeral stem; a second tuberosity component having a second thickness relative to the central longitudinal axis of the humeral stem, wherein the first thickness of the first tuberosity component is different than the second thickness of the second tuberosity component; and at least one proximal segment configured to engage at least one of the first tuberosity component and the second tuberosity component. In an embodiment, the first thickness of the first tuberosity component is at least 20 mm relative to the central axis of the humeral stem, and the second thickness of the second tuberosity component is at least 20 mm relative to the central axis of the humeral stem. | 02-06-2014 |
20140074245 | SHOULDER IMPLANT - Apparatus and method for a shoulder implant, for example, for the glenohumeral joint. Optionally, The implant is expandable and deflatable during implantation. Optionally the implant is sized for the gelnoid fossa. In an exemplary embodiment of the invention, the selection and/or implantation of the implant include adapting the implant by size and function to a particular patient's need. | 03-13-2014 |
20140088722 | SHOULDER IMPLANT SYSTEM - Art apparatus can include a humeral stem. A glenosphere can be configured to be mountable to the humeral stem. The glenosphere can be adapted to operate with a complementary glenoid component. The humeral stern can include a removable taper member on a side of the humeral stem facing the glenosphere. The taper member can be configured to mount the glenosphere to the humeral stem. | 03-27-2014 |
20140128982 | Interlocking Reverse Shoulder Prosthesis and Method - An interlocking reverse shoulder prosthesis including a glenoid cup being implanted in the glenoid fossa having a glenoid ball, firmly attached to the central portion of the cup via Morse taper. The humeral component having a hemispherical cup attached to the neck of the implant via Morse taper in a modular fashion thereby allowing use of several neck lengths. After implantation of the glenoid cup, glenoid hall and the humeral cup, the members are assembled together for relative movement. The glenoid cup is secured by several screws or resorbable fixation studs. During range of motion, the edge of the humeral cup becomes inserted into a gap located between the glenoid cup and the glenoid ball and becomes restrained thus reducing the likelihood of dislocation during extreme range of motion. | 05-08-2014 |
20140128983 | IMPLANTABLE GLENOID PROSTHESES - An implantable glenoid prosthesis comprising a glenoid member including a glenoid body and a glenoid fixation member is disclosed. The glenoid body includes a surface for mating with a humeral head. The glenoid fixation member is constructed and arranged to flex when a force is applied to the glenoid body. | 05-08-2014 |
20140180425 | 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. | 06-26-2014 |
20140257499 | Modular Glenoid Base plate With Augments - An implant assembly comprising a bone augment and an articulating member. The bone augment includes a bone-engaging surface and a coupling surface. The articulating member is configured to couple with the bone augment. | 09-11-2014 |
20140277520 | System and Method for Implanting a Secondary Glenoid Prosthesis - A method of implanting a shoulder prosthesis in a scapula of a patient includes the step of placing a guide over a primary glenoid component previously implanted within the scapula of the patient. The method further includes the steps of removing the primary glenoid component from the scapula and preparing the scapula for implantation of a secondary glenoid component, wherein the removing and preparing steps occur simultaneously. | 09-18-2014 |
20140277521 | Orthopaedic Implant and Method of Installing Same - An orthopaedic implant comprises a fixation plate and an articulation component comprising a bearing surface and an opposing securement surface formed of a porous material. The orthopaedic implant further includes at least one fastener extending through the fixation plate and secured within the porous material of the securement surface of the articulation component. | 09-18-2014 |
20150012103 | SPRING BASE GLENOSPHERE - A method for implanting a reverse modular humeral implant 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. | 01-08-2015 |
20150012104 | METHOD AND APPARATUS FOR FITTING A SHOULDER PROSTHESIS - Method and set of surgical instruments for fitting a shoulder prosthesis, and the shoulder prosthesis. The proposed method seeks to interpose a bone graft between the previously prepared glenoid surface (G) of a scapula (S) of a patient's shoulder and the face of a glenoid prosthetic component opposite the articular surface. The set of instruments permit the bone graft to be taken from the upper epiphysis of the humerus (H), either in situ or ex vivo. | 01-08-2015 |
20150025641 | SHOCK-ABSORBING HUMERAL IMPLANT FOR SHOULDER ARTHROPLASTY - A shock-absorbing shoulder replacement system has a glenoid cup suitable for affixing to the glenoid surface of a scapula, ahead positioned so as to bear against the glenoid cup, a rod affixed to or integral with the head on the side of the head opposite the glenoid cup, a humeral component having a shaft suitable for receipt by the humerus and having a portion extending outwardly of the humerus, and a resilient member cooperative between humeral component and the bead such that the head is resiliently mounted in relation to the humeral component. The portion of the humeral component has a receptacle therein suitable for receiving an end of the rod therein. The rod has a threaded surface that can be connected to a nut such that a distance between the head and the humeral component can be adjusted. | 01-22-2015 |
20150025642 | Mobile Bearing Glenoid Prosthesis - A method of installing a prosthesis assembly includes installing a base component in a prepared glenoid vault, axially aligning a plurality of slots in one of a stretched glenoid bearing component and a base component with a plurality of ridges in the other of the glenoid bearing component and the base component, each of the plurality of slots having a maximum length which is greater than a maximum length of a respective one of the plurality of ridges, engaging each of the plurality of ridges with the respective one of the plurality of grooves thereby rotatably coupling the glenoid bearing component and the base component and limiting axial movement of the glenoid bearing component relative to the base component, and placing the bearing surface into articulating contact with a humeral head. | 01-22-2015 |
20150289984 | Total Shoulder Arthroplasty Prosthesis - A glenohumeral arthroplasty prosthesis with a biocompatible metal glenoid component and a biocompatible metal humeral component with a single-fixation adjustable head having a crosslinked ultra high molecular weight polyethylene articular surface thereupon. | 10-15-2015 |
20150289985 | SHOULDER PROSTHESIS AND COMPONENTS THEREOF - The present disclosure relates to a shoulder prosthesis comprising a glenoidal component having a glenoidal articulation surface and a humeral component having a humeral articulation surface, and a separate mobile glenohumeral bearing component comprising a glenoidal bearing surface and a humeral bearing surface arranged on opposite sides of the glenohumeral bearing component. The glenoidal bearing surface contacts in an implanted state the glenoidal articulation surface and/or the humeral bearing surface contacts in an implanted state the humeral articulation surface. At least one of the glenoidal and humeral bearing surfaces is concave. The glenohumeral bearing component is disposed in an implanted state between the glenoidal component and the humeral component. Both the glenoidal and humeral articulation surfaces are convex. | 10-15-2015 |
20150297354 | INTRA-ARTICULAR JOINT REPLACEMENT - A method of forming a shoulder prosthesis includes resecting an end portion of a humerus to form a resected end of the humerus and a resected portion separated from the humerus, the resected portion having an outer convex surface and an inner surface. The inner surface of the resected portion is processed to include a concave articular surface. The outer convex surface of the resected portion is implanted in the resected end of the humerus. An implant having a convex articular surface is secured to a glenoid. The concave articular surface of the resected portion is articulated with the convex articular surface of the implant. | 10-22-2015 |
20150305876 | IMPLANTABLE GLENOID PROSTHESES - An implantable glenoid prosthesis comprising a glenoid member including a glenoid body and a glenoid fixation member is disclosed. The glenoid body includes a surface for mating with a humeral head. The glenoid fixation member is constructed and arranged to flex when a force is applied to the glenoid body. | 10-29-2015 |
20150335441 | MULTI-COMPONENT SHOULDER IMPLANT ASSEMBLY WITH DUAL ARTICULATING SURFACES - An implant assembly for re-establishing a glenohumeral joint between scapula and humerus bones. A ball has a first exposed convex support surface and a first reverse convex bone contacting surface extending from a first annular perimeter edge established with the first convex support surface. A first stem extends from the first reverse convex surface such that the first reverse convex surface and first stem are adapted to being mounted into a reconditioned glenoid cavity defined in the scapula. A receiver has a second exposed convex surface, a rim edge extending about a portion of said second exposed convex surface and defining a concave profile recessed within the second exposed convex surface and so that the concave profile seats a portion of the first exposed convex surface of the ball in an articulating relationship. The receiver further has a second reverse convex bone contacting surface extending from a second annular perimeter established with the second exposed convex surface. A second stem extends from the second reverse convex surface such that the second reverse convex surface and the second stem are adapted to being mounted to a reconditioned humeral head associated with the humerus. | 11-26-2015 |
20160067049 | IMPLANTABLE PROSTHESES - Prosthesis, tools and surgical methods treat joint instability by avoiding loosening over time. A shoulder prosthesis includes a humeral member with a humeral joint surface and a humeral fixation member and a glenoid member comprising a glenoid body with a glenoid joint surface, and a glenoid fixation member attaching the glenoid body to a scapula. The glenoid fixation member may be attached orthogonally to the scapula. A dampener may be included to absorb loads that may loosen one or more components of the prosthesis. | 03-10-2016 |
20160074168 | SHOCK-ABSORBING IMPLANT FOR USE IN SHOULDER ARTHROSCOPY - A shock-absorbing implant for use in shoulder arthroscopy has a bearing surface, a mounting base affixed to or formed with the bearing surface, a convex element extending outwardly of the mounting base opposite the bearing surface, a receptacle positioned so as to slidably or pivotably receive a portion of the convex element therein, a housing receiving at least a portion of the receptacle therein, and a resilient element received in the housing and bearing against a surface of the housing and against a surface of the receptacle. The bearing surface can be concave when the implant is used as a glenoid implant. The bearing surface can be convex when the implant is used as a humeral head implant. | 03-17-2016 |