A61F2/4081

Method for installing a stemless shoulder implant

The present disclosure provides a shoulder prosthesis. The shoulder prosthesis includes a glenoid component, a humeral component, and an articulation component. The glenoid component includes a glenoid body having a proximal side and a distal side, the proximal side shaped to engage with a resected portion of a glenoid cavity. The humeral component includes a humeral body having a proximal side and a distal side, the distal side shaped to engage with a resected portion of a humerus. The articulation component is positionable between the distal side of the glenoid component and the proximal side of the humeral component, the articulation component configured to be maintained between the glenoid and humeral components, after implantation, by at least one of a deltoid muscle and a rotator cuff.

GLENOID IMPLANT

A glenoid implant includes a body, a plurality of fins, a collet, and a plug. The body has a central aperture therethrough and a plurality of slots. Each of the plurality of fins are coupled with a respective one of the plurality of slots of the boss of the body such that each of the plurality of fins is configured to move from a first generally inward position towards a second generally outward position. The collet including an interior threaded bore and a plurality of deflectable arms. The plug includes a threaded portion and a tip portion configured to engage with and cause the plurality of deflectable arms of the collet to move and cause the plurality of fins to move from the first generally inward position towards the second generally outward position, thereby aiding in securing the body to a scapula of a patient.

Polymer Interlock Support Structure and Method of Manufacture Thereof
20220354989 · 2022-11-10 ·

An orthopedic implant includes a porous insert having a first insert portion having a first insert thickness and a second insert portion having a second insert thickness. The implant includes a non-metallic structure having a first non-metallic portion having a first non-metallic thickness and a second non-metallic portion having a second non-metallic thickness. The first non-metallic portion is attached to the first insert portion and the second non-metallic portion is attached to the second insert portion. Either or both of the second insert thickness being different from the first insert thickness and the second non-metallic thickness being different from the first non-metallic thickness. The porous insert includes a porous projection extending into the non-metallic structure.

Glenoid anchor for a shoulder joint prosthesis

The present invention relates to an improved glenoid anchor for a shoulder joint prosthesis, in particular a convertible prosthesis, of the type intended to be fixed to the glenoid cavity of the shoulder blade and comprising: —a pin (2) with an internally hollow and essentially thimble-like conical sleeve (12), which has a tapered distal end (3) and an open proximal end (4); —an annular recess (15) formed inside the cavity (13) of the pin (2) in the vicinity of said open proximal end (4), for receiving by means of snap-engagement an edge (34) of a lug (30) of a prosthesis component (9); —at least one pair of oppositely arranged anti-rotation notches (16, 17) in the proximity of said annular groove (15) for receiving by means of snap fit oppositely arranged teeth (18, 19) of the same lug (30) intended to be snap-engaged together with said pin (2).

ORTHOPAEDIC IMPLANTS INCLUDING PERIPHERAL APERTURE ARRANGEMENTS
20220354659 · 2022-11-10 ·

This disclosure relates to orthopaedic implants and methods for repairing bone defects and restoring functionality to a joint. The implants disclosed herein include augment geometries that may approximate a surface contour or bone void along a surgical site and include patterns of peripheral apertures that may be utilized for improved fixation of the implants at the surgical site.

RECIPROCATING RASPS FOR USE IN AN ORTHOPAEDIC SURGICAL PROCEDURE

Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed. Some of the methods include inserting a guide pin into the glenoid of the patient, advancing a reciprocating surgical rasp over the guide pin, reciprocating the surgical rasp so as to abrade bone tissue to form a cavity shaped to receive the glenoid component, and implanting the glenoid component in the cavity.

Delivery System for Articular Surface Implant

A implant delivery system for securing an implant to an anchor. The implant delivery system includes a driver including a shaft, a biasing body having a first end region configured to engage said driver and a second end region configured to engage a portion of an implant, and a suture extending between the anchor and the shaft of the driver. The driver may be rotated to reduce the length of the suture between the driver and the anchor and generate a biasing force urging the implant into engagement with the anchor. The biasing force is substantially not transmitted to the bone.

Glenosphere with augmented fixation and related methods

A glenosphere includes a body, a first surface, a second surface, a cavity defined within the body, and a plurality of channels. The body defines a central axis passing through the body. The first surface includes a first rim and a second rim. The first rim is positioned radially outward from the second rim relative to the central axis. The second surface extends from the first rim of the first surface. The second surface has a convex shape. The cavity has a perimeter defined by the second rim and is configured to receive an attachment structure attachable to a bone. The plurality of channels extend from the first surface through the body to the second surface. Each channel defines a first opening positioned on the first surface between the first rim and the second rim and defines a second opening positioned on the second surface. Each channel is configured to receive a bone fixation member configured to secure the glenosphere to the bone.

Glenoid vault fixation

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.

Keeled glenoid implant
11666449 · 2023-06-06 · ·

A prosthetic glenoid implant may include a polymer bearing component, a metal base component, and a plurality of fixation members. The bearing component may have a first surface adapted to articulate with a humeral head, and an opposing second surface including a first mating feature. The base component may have a first surface and a bone-contacting surface, the first surface having a second mating feature adapted to engage the first mating feature, the bone-contacting surface adapted to contact the native glenoid. The base component may define a plurality of apertures. The fixation members may each have a head and a threaded shaft adapted to pass through a corresponding one of the plurality of apertures, the head of each fixation member adapted to be positioned within a recess defined between the base component and the bearing component in an assembled condition of the prosthetic glenoid implant.