Self-inflating socket having encased gel

Details Self-inflating socket having encased gel Self-inflating socket having encased gel

1998-06-26

2000-11-21

Willse, David H.

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

Leg

Socket holder

623 33, A61F 280

Patent

active

06149691&

ABSTRACT:
A socket has a gelatinous core to provide an enhanced cushioning effect for a residual limb. The gelatinous material is covered by a flexible inner cover that shields the skin of the residual limb from the gel and by a flexible outer cover that shields the inner wall of a prosthetic frame from the gel. The inner cover prevents the gel from absorbing body oils and therefore eliminates odors associated with liners formed of gelatinous materials. A self-inflating foam pad is positioned between the inner and outer covers to adjust the fit as needed when the residual limb changes in volume. The pad initially has substantially no air in its interstitial spaces and air is admitted when the patient opens a valve. This prevents over-pressurization of the pad because the maximum pressure that can be exerted by the pad is determined by the prosthetist when the patient is fitted with a prosthesis.

REFERENCES:
patent: 3309714 (1967-03-01), Porten
patent: 5735906 (1998-04-01), Caspers
patent: 5830237 (1998-11-01), Kania

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