Anti-impingement femoral prostheses

  • US 6,200,350 B1
  • Filed: 10/01/1999
  • Issued: 03/13/2001
  • Est. Priority Date: 10/01/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. An enhanced range-of-motion femoral prosthesis, comprising:

  • a stem having a distal portion adapted for placement within an intramedullary canal, a proximal end, and longitudinal stem axis “



    a head configured to co-act with a corresponding acetabular component; and

    a neck connecting the head to the proximal end of the stem, the neck having a first segment with a longitudinal axis n1 where the neck connects to the stem, and a second segment with a longitudinal axis n2 where the neck connects to the head, wherein n1 forms an angle a1 with s, and n2 forms an angle a2 with s, and a2 is greater than a1 to reduce impingement of the neck on the acetabular component.

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