Abstract: 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.

Abstract: Artificial joint prosthetic components including synovial fluid deflection structures are described. Embodiments of artificial joint prosthesis include those with: a bone-facing surface of a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis; and at least one fluid deflection structure positioned on the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo.

Abstract: A porous metal glenoid component, comprising a thin solid nonporous region having a first side and a second side; a first porous metallic substrate formed on the first side of the nonporous region; a polymeric body fabricated onto the first porous metallic substrate, the polymeric body having an articulating surface configured to engage a humeral component to permit rotational and translational movement therewith; and a second porous metallic substrate formed on the second side of the nonporous region, the second porous metallic substrate being configured to interface with a glenoid cavity.

Abstract: An apparatus for facilitating the mounting of a prosthetic articulation surface to a patient tissue includes an anchoring base including a central fastener aperture extending longitudinally therethrough. A first base end is laterally spaced from the central fastener aperture. A second base end is laterally spaced from the first base end with the central fastener aperture laterally interposed therebetween. Both of the first and second base ends include a plate engagement feature. An anchor plate includes a central coupler aperture extending longitudinally therethrough. An outer perimeter is spaced laterally apart from the central coupler aperture. A plate rim extends laterally inward from the outer perimeter to substantially laterally surround the central coupler aperture. At least one plate fastener aperture extends longitudinally through the plate rim. At least one base engagement feature is located on the plate rim and is selectively engageable with the plate engagement feature of the anchoring base.

Abstract: 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.

Abstract: Prosthetic artificial joints are described, including hip, knee and shoulder joints. In some embodiments, a artificial joint prosthesis includes: a bone-facing surface of a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the artificial joint prosthesis; at least one fluid deflection structure positioned adjacent to the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo; and a mechanism attached to the fluid deflection structure, the mechanism operable to move the fluid deflection structure to direct synovial fluid away from the bone-prosthesis interface in vivo.

Abstract: Arthroplasty components include an articular surface and a bone-facing surface. The bone-facing surface bears at least one anchoring element adapted for an oblique implantation trajectory. The articular surface includes a larger radius of curvature in the superior-inferior direction than in the anterior-posterior direction. An inferior chamfer may be present on the articular surface. Instruments and implantation methods are also disclosed.

Abstract: Artificial joint prostheses, including hip, knee and shoulder joints, are described. In some aspects, an artificial joint prosthesis includes: a bone-facing surface of an artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the artificial joint prosthesis; at least one fluid deflection structure attached to the non-contact surface, the fluid deflection structure positioned to direct a flow of synovial fluid away from the bone-prosthesis interface in vivo; and at least one particle retaining structure positioned to contact the directed flow of synovial fluid and configured to retain particles present within the synovial fluid.

Abstract: Prosthetic artificial joints are described, including hip, knee and shoulder joints.

Abstract: Artificial joint prosthetic components including synovial fluid deflection structures are described. Embodiments of artificial joint prosthesis include those with: a bone-facing surface of a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis; and at least one fluid deflection structure positioned on the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo.

Abstract: The present teachings provide a modular glenoid prosthesis for replacing a portion of the anatomy. The prosthesis can comprise a platform having a coupling portion, a base and a central bore that extends from the coupling portion through the base. The central bore can define a tapered region, and the coupling portion can include a plurality of bores. The prosthesis can include a glenoid component having a plurality of pegs. Each of the plurality of pegs can be coupled to a respective one of the plurality of bores. The prosthesis can include a glenosphere including a tapered stem couplable to the tapered region. The glenoid component and the glenosphere are selectively couplable to the platform for replacing the portion of the anatomy.

Abstract: A method for applying bone graft to an orthopaedic implant. The method includes using a bone graft applicator including a pair of arms, a bone graft receptacle coupled to the arms, and a linking mechanism coupled to the bone graft receptacle. The linking mechanism is slid over a portion of the orthopaedic implant. Bone graft is scraped into the bone graft receptacle. The user closes the bone graft receptacle over the portion of the orthopaedic implant and then removes one of the bone graft applicator and the orthopaedic implant from the other of the bone graft applicator and the orthopaedic implant.

Abstract: 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.

Abstract: A shoulder inter-spacer implant has a first outer surface having a contoured profile simulating a glenoid surface and a second inner surface for resting on an outer surface of a prepared glenoid. The second inner surface has a flat or contoured profile void of any pegs, keels or bone interlocking projections so that the second inner surface is profiled to rest on the surface of the prepared glenoid when implanted free of any direct anchoring or cementing to the bone structure. In this fashion the inter-spacer is free to move or slide on the prepared glenoid. The inter-spacer may include one or more soft tissue attachment locations to which a tendon, cartilage, ligament or other soft tissue can be secured, the inter-spacer being otherwise free floating relative to the prepared glenoid.

Abstract: Artificial joint prostheses, including hip, knee and shoulder joints, are described. In some aspects, an artificial joint prosthesis includes: a bone-facing surface of an artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the artificial joint prosthesis; at least one fluid deflection structure attached to the non-contact surface, the fluid deflection structure positioned to direct a flow of synovial fluid away from the bone-prosthesis interface in vivo; and at least one particle retaining structure positioned to contact the directed flow of synovial fluid and configured to retain particles present within the synovial fluid.

Abstract: A glenoid component having an offset center of articulation and associated systems and methods.

Abstract: An apparatus has a head, a neck, and a stem. The head is shaped to be insertable into an interval. The interval is formed using a reamed upper glenoid, a coracoid, and an acromion. The neck is in communication with the head. The neck is dimensioned to seat the head in the interval formed by the reamed upper glenoid, the coracoid, and the acromion. The stem is in communication with the neck. The stem is shaped to be insertable into a humerus.

Abstract: The invention relates to a glenoid (shoulder socket) implant prosthesis, a humeral implant prosthesis, devices for implanting glenoid and humeral implant prostheses, and less invasive methods of their use for the treatment of an injured or damaged shoulder.

Abstract: A system is provided which includes an articulating component, a post, a reception member and a bone engaging member. The articulating component includes an articulating surface and a second surface opposite the articulating surface. The post is disposed below the second surface. The reception member is configured to receive the post. The bone engaging member is configured to be embedded in a bone, wherein the bone engaging member is configured to receive the reception member. The reception member includes a reception member inside surface, wherein the reception member inside surface faces the post when the post is received by the reception member. A first portion of the reception member inside surface defines a tapered configuration and the reception member inside surface comprises at least one ratchet interface.

Abstract: A method of shoulder arthroplasty in one embodiment includes accessing a scapula, identifying an inferior glenoid circle center of the scapula, preparing a glenoid fossa of the scapula to receive a prosthesis, selecting a glenoid component, and implanting the selected glenoid component based upon the identified inferior glenoid circle center in the prepared glenoid fossa.

Abstract: Apparatuses are provided for arthroscopic rotator cuff repair incorporating a transhumeral bone tunnel. The apparatus comprises a number of components that can also be considered a repair system to include a drill guide, a marking hook, and a drill with a removable tip that serves as a bone anchor. In additional aspects of the invention, the components of the drill guide assembly comprise a cannulated marking hook and a drill guide with multiple bores. In additional aspects of the invention, an implantable bone anchor is provided that is especially adapted for placement through a bone tunnel, and wherein the implantable anchor is collapsible to increase the effective size of the anchor for securing the anchor to the far side opening of the bone tunnel through which the anchor was placed.

Abstract: A kit for use in shoulder arthroplasty includes a tamp configured to form a generally oval cavity in grafting material in a glenoid vault, the tamp including a body and a forming portion shaped complementary to the oval cavity, and a glenoid component including a body having a stem portion with an oval cross section for inserting at least partially into the generally oval cavity, the stem portion configured to substantially fill the glenoid vault.

Abstract: 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.

Abstract: A shoulder prosthesis kit includes a first metaglene component including (i) a first body defining an outer diameter, (ii) a first augment extending medially from the first body, and (iii) a first void defined by a portion of the first body and a portion of the first augment, and a plurality of bearing components, each of the plurality of bearing components defining a cavity configured to couple with the first body, and having a bearing surface that is sized differently from the size of another of the plurality of bearing components.

Abstract: The present teachings are directed to a shoulder prosthesis having an adjustable radial offset and/or angular inclination provided by relative rotation of an adapter interdisposed between a stem and a head. In one example, a prosthesis has a stem having a first longitudinal axis. The prosthesis can also include an adaptor including a first taper. The first taper can have a first taper axis. The prosthesis can include a head supported by the adaptor. The head can be selectively oriented and then coupled to the first taper and the combination can be selectively orientated and the coupled to the stem.

Abstract: A surgical instrument for removing an implanted glenoid component from the glenoid of a patient includes a protective cannula and a flexible wire saw. The flexible wire saw is positioned in the protective cannula such that both ends of the flexible wire saw extend out of one end of the protective cannula, with a portion of the middle section of the wire saw forming a loop that extends out of the other end of the protective cannula. Surgical methods for the use of such a surgical instrument are also disclosed.

Abstract: The invention relates to a base platform (11) for an artificial joint, in particular for an artificial shoulder joint, wherein the platform can be anchored on the bone and serves as a support for an artificial joint component (15, 17) that can be provided both in the form of a shell component (15) for an anatomical configuration and also in the form of a ball component (17) for an inverse configuration, and wherein different joint components can be mounted on the platform.

Abstract: Prosthetic artificial joints are described, including hip, knee and shoulder joints.

Abstract: Prosthetic artificial joints are described, including hip, knee and shoulder joints. In some embodiments, an artificial joint prosthesis includes: a bone-facing surface of a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a first component of the artificial joint prosthesis including a contact surface of the artificial joint prosthesis, the first component fabricated from at least one polymer and a plurality of magnetic particles; and a second component of the artificial joint prosthesis including at least one magnet configured to create a magnetic field within the artificial joint, the at least one magnet positioned to form a magnetic field directed to influence a location of debris including the magnetic particles in the joint to a position distinct from the bone-prosthesis interface in vivo.

Abstract: Artificial joint prosthetic components including synovial fluid deflection structures are described. Embodiments of artificial joint prosthesis include those with: a bone-facing surface of a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis; and at least one fluid deflection structure positioned on the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo.

Abstract: Artificial joint prostheses, including hip, knee and shoulder joints, are described. In some aspects, an artificial joint prosthesis includes: a bone-facing surface of an artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the artificial joint prosthesis; at least one fluid deflection structure attached to the non-contact surface, the fluid deflection structure positioned to direct a flow of synovial fluid away from the bone-prosthesis interface in vivo; and at least one particle retaining structure positioned to contact the directed flow of synovial fluid and configured to retain particles present within the synovial fluid.

Abstract: Prosthetic artificial joints are described, including hip, knee and shoulder joints. In some embodiments, a artificial joint prosthesis includes: a bone-facing surface of a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the artificial joint prosthesis; at least one fluid deflection structure positioned adjacent to the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo; and a mechanism attached to the fluid deflection structure, the mechanism operable to move the fluid deflection structure to direct synovial fluid away from the bone-prosthesis interface in vivo.

Abstract: A prosthesis for a joint includes a stem for engagement with a bone. The stem includes a surface defining a bore. The prosthesis further includes a joint component. The joint component includes a bearing surface for articulating engagement with at least one of a natural opposing joint component and a prosthetic opposing joint component. The prosthesis further includes a mounting element. The mounting element includes a proximal portion for engagement with the joint component and further includes a substantially solid articulating portion having a contiguous periphery. The substantially solid articulating portion is configured to facilitate articulating movement of the substantially solid articulating portion within the bore when the contiguous periphery is not forcefully engaged with the bore, and the substantially solid articulating portion and the bore are configured to fixedly couple the mounting element to the stem when the contiguous periphery is forcefully engaged with the bore.

Abstract: Embodiments of devices, apparatuses, kits, and methods for repairing and/or augmenting the articular surface and/or articular rim of a joint (e.g., repairing the anterior glenoid rim after an anterior shoulder dislocation).

Abstract: Trials for a reverse shoulder system are described. The trials generally include an insert housed within a humeral cup. The insert has a proximal end and a distal end, the proximal end having a concave recess therein adapted to receive a glenosphere prosthesis. The distal end of the insert includes a shaft, the shaft is substantially housed within the confines of the humeral cup. A distal end of the humeral cup is inserted in a humeral stem.

Abstract: A humeral component of a shoulder prosthesis encloses a stem module which has a shank and an upper shank portion with a stem support surface. A joint adapter is adapted to hold either a liner or a spherical cap. The joint adapter has an adapter support surface which interfaces with the stem support surface. Further, the stem support surface and the adapter support surface have corresponding radial arc shaped sections which allow positioning of the joint adapter against the stem module at different inclination angles. For fastening the joint adapter to the stem module, a bolt or screw is provided.

Abstract: A glenoid vault fixation device includes a body and at least one blade anchor. Interchangeable glenoid articular components connect to the body. The set of interchangeable components may address a continuum of glenoid and/or total shoulder indications. The body may provide multiple attachment points for the blade anchor, or may accept multiple anchors.

Abstract: A prosthetic glenoid component has a body having a concave bearing surface and a convex glenoid contacting surface. First and second pegs extend outwardly from adjacent respective first and second ends of the bone contacting surface of the body, the first and second pegs have portions with a first diameter at the bone contacting surface extending for a first length and a second diameter extending from the first diameter for a second length, the first diameter larger than the second diameter. A third peg extends outwardly from the bone contacting surface intermediate the first and second pegs. The third peg has a third diameter greater than the second diameter portion of the first and second pegs and a third length greater than the first length of the first diameter portion of the first and second pegs. The third length is less than the sum of the first and second lengths.

Abstract: A prosthesis humeral implant has a stem including a coupling element at a proximal end thereof and a head having a coupling element at a distal portion thereof for coupling to the stem portion coupling element. The head has a bearing surface portion for articulating on a prosthetic glenoid and a base portion. A soft tissue attachment element has an L-shape with a mounting flange portion of the L-shape extending and clamped between the bearing portion and base portion. The soft tissue attachment portion has a portion extending proximally from the mounting flange portion. The soft tissue attachment element mounting portion is captured between the head bearing portion and base portion preferably by clamping or being permanently attached to one of the base or bearing portions during manufacture.

Abstract: A prosthetic assembly and a method of assembling same. The prosthetic assembly includes a base component with at least one engagement surface. A pyrolytic carbon component includes at least one engagement surface. The pyrolytic carbon component is elastically deformed to mechanically interlock with the engagement surface on the base component. The pyrolytic carbon component retains at least a portion of the deformation stress created during coupling with the base component.

Abstract: 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.

Abstract: A metaglene assembly for use in a shoulder prosthesis includes a metaglene body, an augment, a void, at least one fastener hole, and at least one fastener. The metaglene body has a lateral, prosthesis-facing side, and a medial, bone-facing side. The augment extends medially from the medial, bone-facing side of the metaglene body. The void is defined by a portion of the medial, bone-facing side of the metaglene body and a lateral portion of the augment. The fastener hole extends from the void through the augment. The fastener is configured to extend within the fastener hole.

Abstract: A method of implanting a revision glenoid component in one embodiment includes accessing a previously implanted glenoid component in a scapula, removing the previously implanted glenoid component, identifying an inferior glenoid circle center of the scapula, preparing a glenoid fossa of the scapula to receive a revision glenoid component, selecting a revision glenoid component, and implanting the selected revision glenoid component based upon the identified inferior glenoid circle center in the prepared glenoid fossa.

Abstract: The present disclosure provides a femoral prosthesis for use during a revision procedure. The femoral prosthesis includes a body, a neck, a stem, and a sleeve. The sleeve facilitates reattachment of an osteotomized proximal femur, specifically the greater trochanter, following a revision femoral prosthesis surgery involving an extended trochanteric osteotomy. Additionally, the sleeve promotes ingrowth of the osteotomized proximal femur with the sleeve.

Abstract: A joint prosthesis for mounting in a first bone and presenting a prosthetic joint surface for engaging an opposing joint surface of a second bone, the joint prosthesis comprising: a sleeve which is adapted for partial disposition in an opening formed in the first bone; a center adapter which is adapted for disposition within the sleeve; and a prosthetic joint surface mounted to the center adapter; wherein the disposition of the center adapter is adjustable, both longitudinally and rotationally, relative to the sleeve, so that the disposition of the prosthetic joint surface is adjustable, both longitudinally and rotationally, relative to the opposing joint surface of the second bone.

Abstract: A glenoid component for securement to a glenoid surface of a scapula comprises a body portion having a first surface adapted to contact the glenoid surface of a scapula and a second surface configured to receive the head portion of a humerus. The glenoid component further includes an anchor peg for penetrating the glenoid surface of the scapula so as to secure the body portion to the glenoid surface of the scapula. The anchor peg includes a cylindrical shaft extending from the first surface of the body portion and a fin secured to and extending outwardly from the cylindrical shaft. The glenoid component further includes a feature that prevents rotation of the glenoid component.

Abstract: A knee implant includes a femoral component having first and second femoral component surfaces. The first femoral component surface is for securing to a surgically prepared compartment of a distal end of a femur. The second femoral component surface is configured to replicate the femoral condyle. The knee implant further includes a tibial component having first and second tibial component surfaces. The first tibial component surface is for contacting a proximal surface of the tibia that is substantially uncut subchondral bone. At least a portion of the first tibial component surface is a mirror image of the proximal tibial surface. The second tibial component surface articulates with the second femoral component surface.

Abstract: An insertion instrument for inserting an orthopedic implant into a bone and guiding an implant attachment element into the bone comprising: a body having a first end and a second end and a bore extending along a central axis; a fixed arm and a deflectable arm coupled to the body second end, the fixed arm spaced from the deflectable arm forming an attachment element receiving passageway therebetween extending along the central axis, the fixed arm having an implant engaging free end spaced a fixed distance from the central axis; and an actuator mounted on the first end of the body for moving the deflectable arm away from the fixed arm while allowing the attachment element to traverse the passageway.

Abstract: An arthroplasty plate and method of use to repair a fractured end of a bone are described. The arthroplasty plate comprises a fixation plate (2) arranged to be secured to a surface of a bone and a connector assembly (6) comprising a barrel (18) extending from the fixation plate and having a bore which opens through the fixation plate. A connector rod (22) is arranged to slide within the bore of the barrel. An articulation component (4) comprises a bearing surface coupled to or arranged to couple to an end of the connector rod which extends from the barrel away from the fixation plate. The connector assembly incorporates an adjustment mechanism (24) arranged to cause the connector rod to slide into or out of the barrel and a locking mechanism (26) arranged to lock the position of the connector rod within the barrel to rigidly space the articulation component apart from the fixation plate.

Abstract: Trials for a reverse shoulder system are described. The trials generally include an insert housed within a humeral cup. The insert has a proximal end and a distal end, the proximal end having a concave recess therein adapted to receive a glenosphere prosthesis. The distal end of the insert includes a shaft, the shaft is substantially housed within the confines of the humeral cup. A distal end of the humeral cup is inserted in a humeral stem.