Knee joint prosthesis

Details Knee joint prosthesis Knee joint prosthesis

1977-08-22

1979-01-16

Frinks, Ronald L.

Surgery

Truss

Pad

128 92C, A61F 124

Patent

active

041341589

ABSTRACT:
Prosthetic knee joint. A prosthetic knee joint is proposed which incorporates into a single product a variety of previously recognized desirable features. The joint in question has a generally cylindrically shaped knob on one component thereof and a receptacle for receiving said knob in the other component thereof. Said receptacle is designed for full engagement of said cylindrical knob less only the clearance required to permit the desired pivotal motion of said joint and the components defining said receptacle are arranged so that only shear stress is normally imposed on the screws by which the components defining said receptacle are assembled and the parts are further arranged in order that wide contact surfaces between the components of said prosthesis are provided for direct transmission of load between said components without a major portion thereof being transmitted through said joint.

REFERENCES:
patent: 3638243 (1972-02-01), Campbell, Jr. et al.
patent: 3694821 (1972-10-01), Moritz
patent: 3918101 (1975-11-01), Lagrange et al.
patent: 3945053 (1976-03-01), Hillberry et al.
patent: 3990118 (1976-11-01), Strickland et al.

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