Fixed bearing joint endoprosthesis

Details Fixed bearing joint endoprosthesis Fixed bearing joint endoprosthesis

1994-01-14

1996-04-16

Willse, David H.

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

Implantable prosthesis

Bone

A61F 238

Patent

active

055078206

ABSTRACT:
Joint endoprostheses, disclosed in the context of a total knee prosthesis, incorporate a first element for rigid connection to a first bone, the first element having an articulating surface; a second element for rigid connection to a second bone, the second element having a bearing surface which engages the articulating surface; wherein the engagement of the articulation surface with the bearing surface at any degree of relative rotation therebetween is reflected by a substantially constant contact configuration, the relative rotation of the device being accompanied by displacement of the bones toward and away from each other.

REFERENCES:
patent: Re29757 (1978-09-01), Helfet
patent: 5203807 (1993-04-01), Evans et al.

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