Radiopaque polyurethane resin compositions

Details Radiopaque polyurethane resin compositions Radiopaque polyurethane resin compositions

1979-12-28

1981-08-11

Wong, Jr., Harry

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

138118, 138177, F16L 900, F16L 1100

Patent

active

042834473

ABSTRACT:
Radiopaque compositions are provided by formulating polyurethane resins, alone, or combined with vinyl resins, with alkyl or alkoxyalkyl 2,5-diiodobenzoates, 2,3,4,6-tetraiodobenzoates or mixtures thereof. The compositions are useful in the manufacture of X-ray opaque medical devices, particularly medical surgical tubing. Surgical tubing with excellent plastic memory is provided, well adapted to forming flares and curved tips necessary for selective renal and celial arteriography. Multi-wall and co-tapered multiwall tubing constructions are also disclosed.

REFERENCES:
patent: 3356650 (1967-12-01), McElroy
patent: 3361700 (1968-01-01), Archer et al.
patent: 3489723 (1970-01-01), Kraft
patent: 3645955 (1972-02-01), Flynn
patent: 3752617 (1973-08-01), Burlis et al.
Encyclopedia of Polymer Science & Technology, vol. 11, pp. 506-563, No. 4, Interscience Publ. (1969).

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