Fixed bearing joint endoprosthesis

Details Fixed bearing joint endoprosthesis Fixed bearing joint endoprosthesis

1998-10-02

2000-06-13

Willse, David H.

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

Implantable prosthesis

Bone

A61F 238

Patent

active

060744251

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: 3916451 (1975-11-01), Buechel et al.
patent: 4261064 (1981-04-01), Helfet
patent: 4568348 (1986-02-01), Johnson et al.
patent: 5219362 (1993-06-01), Tuke et al.
patent: 5282868 (1994-02-01), Bahler
patent: 5556432 (1996-09-01), Kubein-Meesenburg et al.

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