Thermoformable element and use thereof

Details Thermoformable element and use thereof Thermoformable element and use thereof

1985-05-14

1987-08-11

Johnson, Richard J.

Surgery

Truss

Perineal

428 12, 428188, 264222, 126204, B32B 320, A61F 504, B29C 102

Patent

active

046854533

ABSTRACT:
The thermoformable element comprises a strip (1) formed from two layers of foam (2, 3) of a thermoplastic polymer. The layers are welded to one another along their longitudinal edges so as to form a space between them in the shape of a channel (4). The inlet for the channel can be controlled by a non-return valve (6) whereas the exit can comprise a plug (7). The element is thermoformed by circulating a fluid heated to 130.degree. to 140.degree. C. through the channel until the foam becomes soft.

REFERENCES:
patent: 1777982 (1930-10-01), Popp
patent: 2250325 (1941-07-01), Barnes
patent: 2802088 (1957-08-01), MacCracken
patent: 2826523 (1958-03-01), Blaszkowski
patent: 3326211 (1967-06-01), Logue
patent: 3662057 (1972-05-01), Webster
patent: 3680548 (1972-08-01), Brown
patent: 3760056 (1973-09-01), Rudy
patent: 3853124 (1974-12-01), Larson
patent: 4006741 (1977-02-01), Arluck

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