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US 6,280,476 B1Granted
Hip joint prosthesis convertible in vivo to a modular prosthesis
AssigneeBiomet, Inc.
InventorsRobert M. Metzger, Stanley E. Asnis
Life of this patent
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Abstract
A nonmodular prosthesis having a retainer for a modular bearing and a nonmodular primary bearing directly molded to the base.
Claims4
A hip joint prosthesis convertible in vivo to a modular device, comprising an acetabular cup having a modular bearing retainer, and a primary bearing directly molded to said acetabular cup.
A method of replacing a hip joint, comprising:
- providing an acetabular cup with a retainer for a modular replacement bearing to be secured to said acetabular cup after removal of a primary bearing therefrom;
- molding a primary bearing to said acetabular cup;
- and
- implanting said acetabular cup with said retainer and molded primary bearing in a patient during primary hip replacement surgery.
1 more element
Dependencies are inferred from the claim text.