Meniscus platform for an artificial knee joint

Details Meniscus platform for an artificial knee joint Meniscus platform for an artificial knee joint

1992-12-01

1994-05-24

Isabella, David

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

Implantable prosthesis

Bone

623 18, A61P 238

Patent

active

053144830

ABSTRACT:
With the invention is shown an artificial knee joint, in which the rear cruciate ligament and the collateral ligaments are assumed as being retained. A metal platform is attached to the tibia and perpendicular to the tibia axis has a plane surface, on which three slide members are slidably disposed so as to guide the metal platform relative to the femur condyles made of metal within the limits of the degree of freedom remaining to them under the tension of the ligaments. A central slide member forms an eminentia rotatable around a pin, which guides the femur condyles directly or indirectly with respect to rotation around the tibia axis and which along its median line, which extends in the sagittal direction in the non-rotated central position, forms a direct or indirect longitudinal guiding device for the femur condyles, while the flexion movement is guided at doubly curved femur condyles by the two outer slide members.

REFERENCES:
patent: 4136405 (1979-01-01), Pastrick et al.
patent: 4224697 (1980-09-01), Murray
patent: 4262368 (1981-04-01), Lacey
patent: 4547910 (1985-10-01), Roberts et al.

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