Articulated ankle

Details Articulated ankle Articulated ankle

1986-11-28

1988-08-16

Apley, Richard J.

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

Leg

Ankle

623 52, A61F 266

Patent

active

047641720

ABSTRACT:
Herein disclosed is an articulated ankle joint for use in an artificial limb to connect a foot prosthesis to a leg prosthesis. The joint has foot and leg plates for attachment to the respective prostheses, a stem assembly which includes a coil spring and spherical bearing attached between the plates over a heel portion of the foot prosthesis, and a resistance assembly including a coil spring connected between the plates forwardly of the stem assembly. The joint can be used for performing a variety of physical activities in a natural and comfortable manner and has a natural appearance when clothed.

REFERENCES:
patent: 2289154 (1942-07-01), Van Cise
patent: 2470480 (1949-05-01), Fogg
patent: 3196463 (1965-07-01), Farneth
patent: 4442554 (1984-04-01), Copes
Brochure-Copes/Bionic Ankle by Copes, Inc.

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