Blood transfusion tubes and devices for use in contact with huma

Details Blood transfusion tubes and devices for use in contact with huma Blood transfusion tubes and devices for use in contact with huma

1981-12-21

1984-08-14

Padgett, Benjamin R.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

3 1, 604403, 1283355, A61M 500

Patent

active

044654804

ABSTRACT:
Devices such as blood transfusion tubes, which can be contacted with human blood at reduced risk of blood clotting, made of a segmented polyether polyurethane urea obtained by chain extending an isocyanate-terminated prepolymer with a diamine having a branch at at least one .alpha.-carbon atom, such as 1,2-propylene diamine or 1,4-cyclohexylene diamine.

REFERENCES:
patent: 3822238 (1974-07-01), Blair et al.
patent: 4049591 (1977-09-01), McEntire et al.
patent: 4131604 (1978-12-01), Szycher
patent: 4173689 (1979-11-01), Lyman et al.
patent: 4255550 (1981-03-01), Gould
Makromol. Chem. 179, 1121-1124 (1978).
ANSI/ASTM D 1708-1779.
J. Biomed. Mater. Res. Symposium No. 3, pp. 129-154.
J. Biomed. Mater. Res. vol. 2, pp. 121-130 (1968).
Synthetic Biomedical Polymers Concepts and Applications, edited by M. Szycher and W. J. Robinson.

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