Knee prosthesis with accommodation for angular misalignment

Details Knee prosthesis with accommodation for angular misalignment Knee prosthesis with accommodation for angular misalignment

1987-01-20

1987-12-22

Frinks, Ronald L.

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

Implantable prosthesis

Bone

A61F 238

Patent

active

047144726

ABSTRACT:
A knee prosthesis in which articular surface areas of the engaged femoral and tibial components of the prosthesis include surface profile contours lying in a common arcuate profile defined by a medial-lateral radius having an origin lying on the mechanical axis passing through the femoral head of the corresponding hip joint such that limited misalignment of the femoral and tibial components by virtue of angular deviation from the mechanical axis resulting from relative displacement in a medial-lateral direction is tolerated to accommodate the misalignment while maintaining area engagement between the engaged surfaces.

REFERENCES:
patent: 3728742 (1973-04-01), Averill et al.
patent: 4081866 (1978-04-01), Upshaw et al.
patent: 4085466 (1978-04-01), Goodfellow et al.
patent: 4309778 (1982-01-01), Buechel et al.
patent: 4568348 (1986-02-01), Johnson et al.
patent: 4586933 (1986-05-01), Shoji et al.

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