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Possesses kink resistance, at the same time with radiation impermeability produces from the flexible polyurethane tubular material the catheter
Possesses kink resistance, at the same time with radiation impermeability produces from the flexible polyurethane tubular material the catheter
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机译:具有抗扭结性,同时具有挠性聚氨酯管状材料可产生不透辐射的导管
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摘要
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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