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EP0158534A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Hip implant

Assignee: Finsbury Instruments Ltd
•
Filing: 1985-04-09
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Granted: —
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Expires: 2005-04-09
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Abstract

Abstract A hip implant has a stem portion with a substantially linear axis and a circular cross-section at least in the region of the bottom end thereof. A wedge-shaped portion extends medially from the stem at or near the top end of the stem. The wedge-shaped portion is surmounted by a ball.

Inventors

  • 👤 Michael Alexander Reykers Freeman

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 09:30
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/30721; A61F2/30723; A61F2/30724; A61F2/32; A61F2/36; A61F2/3662; A61F2/367; A61F2/3676; A61F2002/30001; A61F2002/30108; A61F2002/3011; A61F2002/30112; A61F2002/30113; A61F2002/30316; A61F2002/30329; A61F2002/30331; A61F2002/30332; A61F2/30734; A61F2002/30738; A61F2/30767; A61F2/30771; A61F2002/30795; A61F2002/30807; A61F2002/30808; A61F2002/30878; A61F2002/30884; A61F2002/30891; A61F2002/30892; A61F2/3609; A61F2002/3625; A61F2220/00; A61F2220/0025; A61F2220/0033; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0006; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00023; A61F2310/00029

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 65 words
A hip implant characterised in that the implant comprises a stem portion (2), with a substantially linear axis, having, at least in the region of one end thereof, a substantially circular cross-section and a wedge-shaped portion (4) extending medially from the stem portion (2) at or near the opposite end to the said one end, the wedge-shaped portion (4) being surmounted by a ball (5).
Claim 2
Dependent Claim 65 words
A hip implant characterised in that the implant comprises a stem portion (2), with a substantially linear axis, having, at least in the region of one end thereof, a substantially circular cross-section and a wedge-shaped portion (4) extending medially from the stem portion (2) at or near the opposite end to the said one end, the wedge-shaped portion (4) being surmounted by a ball (5).
Claim 3
Dependent Claim 20 words
A hip implant according to claim 1, characterised in that the stem portion (2) is tapered at said one end.
Claim 4
Dependent Claim 42 words
A hip implant according to claim 1 or 2, characterised in that the end (6) of the stem portion (2) opposite the said one end extends past the junction with the wedge-shaped portion (4) to a point level with the ball (5).
Claim 5
Dependent Claim 33 words
A hip implant according to claim 3, characterised in that said opposite end (6) is provided with means for receiving a hook or the like for use in removing or replacing the implant.
Claim 6
Dependent Claim 22 words
A hip implant according to any one of the preceding claims, characterised in that the wedge-shaped portion (4) is of flattened section.
Claim 7
Dependent Claim 25 words
A hip implant according to any one of the preceding claims, characterised in that the wedge-shaped portion (4) is textured and/or provided with indentations (8).
Claim 8
Dependent Claim 24 words
A hip implant according to any one of the preceding claims, characterised in that the ball (5) is separable from the wedge-shaped portion (4).
Claim 9
Dependent Claim 33 words
A hip implant according to any one of the preceding claims, characterised in that a separate end stop (16, 19) is provided therewith for receiving said one end (3) of the stem (2).

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