DEVICE HAVING RADIATION IMPERMEABLE POLYMER COATING AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To provide a device for producing radiation impermeable medical implantation parts, such as catheters and stents and a method therefor. SOLUTION: This composition of a radiation impermeable brominated polyurethane coating material and a polyurethane tube core are formed. The po...

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1. Verfasser:	ONWUMERE FIDELIS C
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON 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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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a device for producing radiation impermeable medical implantation parts, such as catheters and stents and a method therefor. SOLUTION: This composition of a radiation impermeable brominated polyurethane coating material and a polyurethane tube core are formed. The polyurethane coating material includes diisocyante and brominated diol having a bromine concentration of >=30 wt.%. The coating material is applied on the surface of the elastomeric polyurethane tube core 20. The resultant medical implantation parts have the advantages accompanying the brominated radiation impermeable polyurethane and maintains, for example, the flexibility and tensile characteristics, such as torsion resistance, of the elastomeric thermoplastic polyurethane tube core without degrading these desired characteristics.