Kink resistant, flexible, radiopaque polyurethane tubing and...

Details Kink resistant, flexible, radiopaque polyurethane tubing and... Kink resistant, flexible, radiopaque polyurethane tubing and...

C - Chemistry, Metallurgy

08

G

C08G 18/75 (2006.01) A61L 29/00 (2006.01) A61L 29/06 (2006.01) A61L 29/18 (2006.01) C08G 18/38 (2006.01) C08G 18/66 (2006.01) C08G 18/77 (2006.01)

Patent

CA 2073608

ABSTRACT Catheters formed from polyurethane containing sufficient halogenated moieties in the polymer structure to make the polyurethanes radiopaque. Such polyurethanes can be prepared by employing halogenated diols or halogenated diisocyanate reactants. In preferred cases, the catheters are optically transparent in addition to being radiopaque. Furthermore, the catheters contain virtually kink-free resistance, up to at least 85% recovery volumne flow after bending.

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