Prosthetic socket

Details Prosthetic socket Prosthetic socket

1997-01-13

1998-05-05

Jones, Mary Beth

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

Leg

Socket holder

623 36, A61F 280

Patent

active

057467722

ABSTRACT:
A prosthetic socket is adapted to support a prosthesis and is also adapted to be worn on a stump of a partially amputated limb. This socket has a coupler for holding the prosthesis along a prosthetic axis. The socket also has a cup with an inside surface and an outside surface. This inside surface is adapted to fit on the stump. The coupler is centrally attached to the cup to face outwardly from the outside surface. The cup contains a separated plurality of contractible cavities distributed around the prosthetic axis between the inside surface and the outside surface to provide cushioning by allowing deflection of the cup along the prosthetic axis into the cavities to contract the cavities. The cup can be formed with a plurality of angularly spaced, elongate, blind holes extending away from a central location. These blind holes can be plugged to prevent intrusion of debris. In an alternative cup, a molded cap can be affixed over a molded boot, while leaving interspaces that form spaced, closed cavities.

REFERENCES:
patent: 2578019 (1951-12-01), Ryan
patent: 2634424 (1953-04-01), O'Gorman
patent: 3393407 (1968-07-01), Kardel
patent: 3520002 (1970-07-01), Wellington
patent: 4134159 (1979-01-01), Wilson
patent: 4923474 (1990-05-01), Klasson et al.
patent: 5201774 (1993-04-01), Greene
patent: 5464443 (1995-11-01), Wilson et al.
patent: 5480455 (1996-01-01), Norvell
patent: 5507834 (1996-04-01), Laghi
patent: 5593454 (1997-01-01), Helmy
Wilson et al, "Improvement of the Air Cushion Socket for Below-Knee Amputees", Proceeding of the 2nd International Conference on Rehabilitation Engineering, 1984, p. 239.

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