A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
3/140, 18/78
A61F 1/08 (1980.01) A61F 1/02 (1980.01) A61F 1/04 (1980.01)
Patent
CA 1108803
ABSTRACT OF THE DISCLOSURE A flexible precast foot comprises a hollow flexi- ble slipper member which has a rounded heel contour and a keel cavity. The resiliency of the rounded heel is controll- ed by the type of foam used in order that the compressibi- lity of the heel may be varied during construction. A stump support is custom manufactured from reinforced plastic and the like, from a negative plaster mold and comprises an elon- gated socket with fenestrations being provided on each side to facilitate the engagement and disengagement of the stump. The negative socket mold is formed by a strip casting plaster technique and the finished positive stump socket is then fit- ted to the foot and secured to a strip of belting or similar material which extends into the keel cavity. This cavity is filled with "Flexane" (trade mark) rubber or any suitable elastomeric material such as nonfoaming urethane, synthetic rubber which also molds around the distal end of the stump socket. The length of belting together with the elastomeric material filling the keel cavity, controls the toe break of the finished prosthesis.
308020
Cochrane Ian W.
Tucker Frederick R.
(executor) Ackerman George
(executrix) Tucker Mary I.
Ade & Company
Canada Permanent Trust Company (executor)
Cochrane Ian W.
LandOfFree
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