Coating processes – Medical or dental purpose product; parts; subcombinations;... – Particulate or unit-dosage-article base
Patent
1979-03-27
1980-12-09
Silverberg, Sam
Coating processes
Medical or dental purpose product; parts; subcombinations;...
Particulate or unit-dosage-article base
128 90, 427195, 427202, A61F 504
Patent
active
042385229
ABSTRACT:
There are provided orthopedic casts, splints, and the like, for use on a portion of a human or animal body, which are produced from a crosslinked copolymer of a lactone monomer and a polyfunctional acrylate monomer. The crosslinked copolymer, in the form of a sheet, web, bandage, etc., and, optionally, a supportive substrate, is heated above the softening point of the copolymer, manipulated to conform to the body portion, and cooled to a rigid state.
In one embodiment, there is provided a bandage material, convertible to a rigid, porous, light-weight orthopedic cast, which comprises a substrate in the form of a netting, having on the surface of its strands a coating of the aformentioned crosslinked copolymer. The bandage material is heated to a temperature at which the crosslinked copolymer is soft and self-adherent and is then wrapped around the body portion in a series of overlying layers so as to conform to the contours of the body portion. The overlying layers are fused together to form a close-fitting unitary cast and are then cooled to a rigid state.
REFERENCES:
patent: 3421501 (1969-01-01), Beightol
patent: 3692023 (1972-09-01), Phillips
patent: 3908644 (1975-09-01), Neinart
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