Knee joint mechanism for knee disarticulation prosthesis

Details Knee joint mechanism for knee disarticulation prosthesis Knee joint mechanism for knee disarticulation prosthesis

1996-01-16

1998-05-05

Weiss, John G.

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

Leg

Knee

623 44, A61F 264

Patent

active

057467749

ABSTRACT:
An improved four-bar knee joint mechanism for use in knee disarticulation prosthesis is shown, including a coupler link forming a negative angle with the horizontal when said knee joint mechanism is in its stance position, an anterior link, a fixed link in a horizontal position when said knee joint is in the extended or stance position, and a posterior link, the dimensions of the links and the angle the coupler link makes with the horizontal being chosen to optimize the instant center of the mechanism.

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