Medical appliance made of plastic

Details Medical appliance made of plastic Medical appliance made of plastic

1975-01-24

1976-03-02

Frinks, Ronald L.

Surgery

Truss

Pad

3 1, 3 15, 128214D, 128272, 260 324, 260873, A61F 124, A61F 122, A61F 100, A61M 514

Patent

active

039408027

ABSTRACT:
A medical appliance suitable for use in direct or indirect contact with blood, such as an artificial valve, artificial blood vessel, blood transfusion set, solution infusion set, or blood bag characterized by being composed of 100 parts by weight of polyvinyl chloride and as plasticizer 50 to 100 parts by weight of thermoplastic polyurethane of the polyester type, said polyurethane having a softening point of about 70.degree.C and giving no spot other than that of the origin at the same position loaded the test sample onto the plate in thin-layer chromatogram.

REFERENCES:
patent: 2896619 (1959-07-01), Bellamy
patent: 3511684 (1970-05-01), Huffaker
patent: 3562352 (1971-02-01), Nyilas
patent: 3574789 (1971-04-01), Bungs et al.
patent: 3609768 (1971-10-01), Ayres
patent: 3717502 (1973-02-01), Masuhara et al.
concise Guide to Biomedical Polymers, Their Design, Fabrication and Molding, by John W. Boretos, Charles C. Thomas (Publisher), pp. 30-31.

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