Abstract: 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.

Abstract: 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.

Abstract: A prosthesis may include a stem, an adaptor and a head. The stem may include a longitudinal axis. The adaptor may include a first taper having a first taper axis of symmetry. The head may be rotatably supported by the adaptor and may include a semispherical articulating surface defined by a central axis of symmetry that is angled relative to the first taper axis of symmetry. The head may be coupled to the first taper and may be positionable relative to the stem through relative rotation between the head and the stem about the first taper axis of symmetry to adjust a radial offset of the head relative to the longitudinal axis of the stem. The head may be adapted to be received in a glenoid cavity of a scapula.

Abstract: Apparatus and method for a shoulder implant, for example, for the glenohumeral joint. The implant is expandable and deflatable during implantation. The implant is sized for the glenoid 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.

Abstract: 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.

Abstract: 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.

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: 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.

Abstract: A joint resurfacing prosthetic implant system is disclosed having an anatomically-shaped implant to replace a joint at a pedal digit or finger, including a head having an elliptical bearing surface disposed for engaging the end of an adjacent bone and a seating surface opposite the bearing surface, an elongated stem extending distally from the seating surface, and a flange on the circumference of the device and extending distally from the seating surface. The flange includes one or more portals and a removed section configured to avoid impinging upon a tendon during and after implantation of the prosthetic. A specialized tool is also provided to facilitate the resection of the bone for implantation. The specialized tool includes an elliptical template having a cutting edge and a center insert that is sized and configured to match a reamer used to bore into the bone for insertion of the implant.

Abstract: 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.

Abstract: 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.

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: 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: An implant assembly for re-establishing a glenohumeral joint between scapula and humerus bones. A substantially spherical shaped element is adapted to being mounted a reconditioned glenoid cavity defined in the scapula and exhibits a second convex exterior surface projecting from the bone surface. A receiver component has a base with a first convex bone contacting surface adapted to being mounted to a reconditioned humeral head associated with the humerus, the receiver component exhibiting a second convex exterior surface projecting away from the bone surface and exposing a concave profile exhibiting only a rim edge therebetween at an outer exposed seating end of said second convex surface for supporting the components in inter-articulating fashion.

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: 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.

Abstract: A method of preparing for a surgical procedure includes creating a three-dimensional bone model of a subject bone of a patient. At least a portion of the bone model is compared to at least one three-dimensional reference anatomic model. At least one structural difference between the bone model and the at least one reference anatomic model is identified. At least one desired subject bone structural change is specified to produce a modified bone model responsive to the step of identifying at least one structural difference between the bone model and the at least one reference anatomic model. An apparatus for preparing for a surgical procedure is also provided.

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

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 and a groove coupling feature. The prosthesis can include a glenoid component having a plurality of pegs. Each of the plurality of pegs in combination with at least one tab, the tab configured to engage the groove coupling feature of the platform 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: 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.

Abstract: 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.

Abstract: 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.

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: A shoulder prosthesis comprising a socket and a condyle that cooperates with the socket. The condyle also cooperates with a base plate facing the scapula similar to a clamping connection. The condyle is plugged onto the base plate by means of a receptacle that is embodied on the condyle. The base plate can be anchored to the glenoid fossa of the scapula with the aid of two peg-type protrusions.

Abstract: 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.

Abstract: A glenoid component for use with a prosthetic humeral component for use in performing shoulder arthroplasty is provided. The glenoid component may be fitted at least partially into a cavity formed in the glenoid vault. The glenoid component includes a body having a stem portion for inserting at least partially into the cavity formed in the glenoid vault. The stem portion cooperates with the interior wall of the cavity formed in the glenoid vault. The body has a bearing portion for articulating cooperation with the prosthetic humeral component.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

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: 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: 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.

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 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.

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 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.

Abstract: 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.

Abstract: 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.

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 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 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.

Abstract: 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.

Abstract: 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.

Abstract: Glenoid support for shoulder prostheses, able to be applied to the glenoid cavity (12) of a shoulder blade (13), comprising at least an attachment plate (24), an anchoring element (25), a glenoid articulation element (19; 140), wherein said attachment plate (24) and said anchoring element (25) are made in distinct parts and able to be selectively separated from each other.

Abstract: 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. A surgeon can select the component most adapted to the orientation of the resectioned surface from a set of components in which the axes of symmetry of the components are oriented differently with respect to their rear faces.

Abstract: 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.

Abstract: 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.

Abstract: A method of preparing for a surgical procedure includes creating a three-dimensional bone model of a subject bone of a patient. At least a portion of the bone model is compared to at least one three-dimensional reference anatomic model. At least one structural difference between the bone model and the at least one reference anatomic model is identified. At least one desired subject bone structural change is specified to produce a modified bone model responsive to the step of identifying at least one structural difference between the bone model and the at least one reference anatomic model. An apparatus for preparing for a surgical procedure is also provided.