Extrudable polyurethane for prosthetic devices prepared from a d

Details Extrudable polyurethane for prosthetic devices prepared from a d Extrudable polyurethane for prosthetic devices prepared from a d

1983-04-04

1984-05-08

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C08G 1832

Patent

active

044475900

ABSTRACT:
Reaction product of an aliphatic organic diisocyanate, a high molecular weight polyether polyol (poly tetra methylene ether glycol) and 1,4 butane diol. The resulting polymers have thromboresistant properties, a long flexural life and are extrudable. The polyurethane polymer is ideal for forming transvenous cardiac pacemaker leads, blood bags, intravenous and intra-arterial catheters and tubing, and other shaped devices which must be formed of a blood compatible material.

REFERENCES:
patent: 2899411 (1959-08-01), Schollenberger
patent: 4131604 (1978-12-01), Szycher

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