Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Leg – Socket holder
Patent
1991-01-28
1992-04-28
Green, Randall L.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Leg
Socket holder
623 26, 623 33, 623 36, A61F 260, A61F 274
Patent
active
051084562
ABSTRACT:
A prosthetic appliance for residual limb is disclosed comprising a prosthesis member having a cavity defined by side walls formed of a rigid molded material. A separate removable molded socket member formed of a flexible material is nested within cavity of the prosthesis member and is adapted to receive the residual limb. Several separate, independently inflatable bladders preferably attached to the exterior of the socket member, when inflated, act against the rigid side walls of the prosthesis member to resiliently force discrete portions of the socket member side walls inwardly to grip the residual limb. An inflation control means is provided in the form of at least one manually operable air pump and one or more manually operable air valves, one for each of said bladders, for selectively inflating the associated bladder separately and independently from the other bladders, so that the gripping pressure of the residual limb at each discrete portion of the socket member may be adjusted separately and independently by both the air pump and the air valves.
REFERENCES:
patent: 1057562 (1913-04-01), LaPoint
patent: 1893853 (1933-01-01), Tullis
patent: 2634424 (1953-04-01), O'Gorman
patent: 3671980 (1972-06-01), Baird
patent: 3889301 (1975-06-01), Bonner, Sr.
patent: 4300245 (1981-11-01), Saunders
patent: 4432101 (1984-02-01), Johnson
patent: 4655779 (1987-04-01), Janowiak
patent: 4923475 (1990-05-01), Gosthnian et al.
Green Randall L.
Willse David H.
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