Medical implants and tubing

A medical implant such as a catheter, stent, vascular graft or other implant, comprised of a blend of two polymers. In one embodiment, the first polymer includes a diisocyanate, a polyol, and a first chain extender having a bromine concentration greater than about 30 percent. The second polymer comp...

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Bibliographische Detailangaben
1. Verfasser:	ONWUMERE, FIDELIS C
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A medical implant such as a catheter, stent, vascular graft or other implant, comprised of a blend of two polymers. In one embodiment, the first polymer includes a diisocyanate, a polyol, and a first chain extender having a bromine concentration greater than about 30 percent. The second polymer comprises a diisocyanate, a polyol, and a second chain extender having a bromine concentration less than about 10 percent.