Thermally actuated immobilizing structure

Details Thermally actuated immobilizing structure Thermally actuated immobilizing structure

1985-01-25

1986-10-21

Mancene, Gene

Surgery

Truss

Perineal

128 87R, 128 90, A61F 504

Patent

active

046179216

ABSTRACT:
The present invention is directed to a thermally actuated immobilizing structure useful as a splint, as a cast and for immobilizing, positioning, grasping or manipulating inanimate objects. The structure includes a flexible container containing a thermoplastic material and a matrix material embedded in the thermoplastic material. The matrix material preferably comprises elongate, generally parallel strands. The thermoplastic material and the strands are adapted to permit relatively unhindered relative movement among the strands when the thermoplastic material is flowable so the structure can be formed into the desired shape. The thermoplastic material and the strands are adapted to substantially inhibit or prevent relative movement among the strands to lock the strands in place, thus forming a rigid structure, when the thermoplastic material is solid. The strands preferably have roughened surfaces so adjacent strands are mechanically interlocked to inhibit relative longitudinal movement among the strands.

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Machinery's Handbook, 20th ed., p. 2270, "Melting Points of Alloys of Low Fusing Point".

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