Ball and socket prosthetic joint

Details Ball and socket prosthetic joint Ball and socket prosthetic joint

1977-08-12

1979-01-02

Frinks, Ronald L.

Surgery

Truss

Pad

3 1911, 128 92C, A61F 124

Patent

active

041319575

ABSTRACT:
A prosthetic joint including a socket-carrying member and a ball-carrying member both of which have stems for insertion into the medullary canals of the bone. The socket has a downwardly extending cylindrical passageway which terminates in a hemispherical bottom surface and a slot which intersects the passageway. The stem of the ball member has generally flat side surfaces and is proportioned to fit through the slot, and the ball has a curvature matching the spherical bottom surface. A shank portion between the ball and stem has a recess where a retainer is snapped onto the shank to lock the members in hinged relationship.

REFERENCES:
patent: 3506982 (1970-04-01), Steffee
patent: 3694821 (1972-10-01), Moritz
patent: 3707006 (1972-12-01), Bokros et al.
patent: 3760427 (1973-09-01), Schultz
patent: 3795922 (1974-03-01), Herbert et al.
patent: 3805302 (1974-04-01), Mathys
patent: 3869729 (1975-03-01), Attenborough
patent: 3952334 (1976-04-01), Bokros et al.

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