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US 2012/0239160 A1Published application
Modular trial heads for a prosthetic
AssigneeSmith & Nephew, Inc.
InventorsKevin W. Belew, James C. Gatewood, Luke A. Gibson
Life of this patent
Estimating the term…
Abstract
A prosthesis trial system includes at least one head member having an outer surface and a cavity configured to mate with an exterior surface of a stem member. The prosthesis trial system further includes at least one shell member having an inner surface configured to mate with the outer surface of the at least one head member.
Claims21
-15. (canceled)
A femoral trial system for use with a plurality of stems, the femoral trial system comprising:
- a plurality of head members, each head member having:
- an outer surface;
- a cavity configured to mate with an exterior surface of a stem component, the cavity having at least one sidewall;
- a first set of barbs disposed on the sidewall of the cavity at a first depth;
- and
- a second set of barbs disposed on the sidewall of the cavity at a second depth spaced apart from the first depth;
- and
- a plurality of shell members, each shell member having an inner surface configured to mate with the outer surface of at least one of the plurality of head members.
5 more elements
A prosthetic instrument for use in a trial fitting of a medical implant, the instrument comprising:
- a head member having a cavity disposed therein, wherein the cavity is configured to mate with an exterior surface of a stem component, and wherein the cavity has at least one sidewall;
- a first barb disposed on the sidewall of the cavity at a first depth;
- and
- a second barb disposed on the sidewall of the cavity at a second depth, the second depth being different than the first depth.
1 more element
A prosthesis trial system comprising:
- at least one head member having an outer surface and a cavity configured to mate with an exterior surface of a stem member;
- and
- at least one shell member having an inner surface configured to mate with the outer surface of the at least one head member.
Dependencies are inferred from the claim text.