Large taper modular shoulder prosthesis

Details Large taper modular shoulder prosthesis Large taper modular shoulder prosthesis

2007-07-03

2007-07-03

Isabella, David J. (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

C623S023110

Reexamination Certificate

active

10095129

ABSTRACT:
A kit for assembly of a modular joint prosthesis (10) includes at least two shank/body elements (22/20) sized for insertion into the shank of the bone and at least two head members (48) sized to replace one bearing surface of the joint. Each shank/body element (22/20) has a collar (58) that has a shallow width and a circular plan view and that is formed to overhang a resected level of the bone. The collar (58) has a male taper on its side wall (64). Each head member (48) has a first geometric axis (52) therethrough and defines a part spherical cavity (49) with a skirt (66) extending about the cavity (49). The skirt (66) provides a female taper for receiving and providing a mechanical connection with the male taper on the side wall (64) of each collar (58). A second axis extends (55) through the skirt (66). The first axis (52) and second axis (55) may be coincident or offset from one another.

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