Artificial knee joint

Details Artificial knee joint Artificial knee joint

1988-09-23

1991-03-05

Cannon, Alan

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

Leg

Knee

623 46, A61F 264

Patent

active

049974491

ABSTRACT:
An artificial knee joint (10) with a clamping member (13) is provided with a peg (11) for attachment to a thigh shaft (12). The clamping member is pivotable against a braking member or barrel (19) located inside the knee joint housing when a vertical load (44) is applied to the knee joint to arrest the swiveling movement a leg part (26). The leg part accommodates the lower leg tube of a leg prosthesis as well as a traction strap (36) impelling the knee joint back into the straightened position. By this means an uncontrolled buckling of the artificial knee joint is prevented in the event that a prosthesis wearer stumbles.

REFERENCES:
patent: 2645779 (1953-07-01), Barghausen
patent: 3723997 (1973-04-01), Kolman
patent: 4064569 (1977-12-01), Campbell
patent: 4135254 (1979-01-01), Weber et al.
patent: 4206519 (1980-06-01), Blatchford et al.
patent: 4456003 (1984-06-01), Allard
patent: 4549318 (1985-10-01), Takahama
patent: 4685926 (1987-08-01), Haupt

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