Ankle prosthesis with angle adjustment

Details Ankle prosthesis with angle adjustment Ankle prosthesis with angle adjustment

1996-09-18

1998-09-01

Willse, David H.

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

Leg

Adjustable shank or thigh

623 47, A61F 262, A61F 266

Patent

active

058005641

ABSTRACT:
An ankle prosthesis for attachment to a foot prosthesis and an upper leg portion includes a swivel connection allowing adjustment of the angle of a longitudinal axis of the foot prosthesis relative to a vertical axis of the leg portion. The adjustment is provided by a pair of plates lying in a common plane containing the longitudinal axis and the vertical axis which can rotate relative to one another and each includes a series of radial ribs allowing adjustment through predetermined angles.

REFERENCES:
patent: 2749557 (1956-06-01), Riddle
patent: 2897512 (1959-08-01), Sackett
patent: 5052375 (1991-10-01), Stark et al.
patent: 5156630 (1992-10-01), Rappoport et al.
patent: 5571206 (1996-11-01), Varn
Friddle's Orthopedic: "The Variable Motion Ankle Joint" (advertisement brochure).

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