Prosthetic foot assembly having improved resilient cushions and

Details Prosthetic foot assembly having improved resilient cushions and Prosthetic foot assembly having improved resilient cushions and

1998-05-29

2000-10-10

Willse, David H.

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

Leg

Ankle

623 52, A61F 266

Patent

active

061297666

ABSTRACT:
A prosthetic foot assembly, said assembly includes an ankle member, a heel member pivotally connected to the ankle member, an elongate metatarsal-toe member having a rear portion underlying a forward portion of the heel member and projecting forwardly from the heel member. The metatarsal-toe member being pivotally connected to the heel member. A first compressible element is engaged between a portion of the ankle member and a portion of the heel member and a second compressible element having first and second substantially circular bearing surfaces engaged between a portion of the heel member and a portion of the metatarsal-toe member to resist upward pivotal movement of a forward end of the metatarsal-toe member relative to the heel member. A portion of the compressible element spaced apart from one of the bearing surfaces has a smaller diameter than the diameter of at least one of the first and second bearing surfaces. Also disclosed is a prosthetic foot assembly incorporating noise abatement features including surface treatments and modified compressible elements or pads.

REFERENCES:
patent: 4892554 (1990-01-01), Robinson
patent: 5158570 (1992-10-01), Schey et al.
patent: 5258038 (1993-11-01), Robinson et al.

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