METHODS FOR MAKING OXIDATION RESISTANT POLYMERIC MATERIAL

The present invention relates to methods for making oxidation resistant 5 medical devices that comprise polymeric materials, for example, ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making antioxidant-doped medical implants, for example, doping of medica...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MURATOGLU, ORHUN, SPIEGELBERG, STEPHEN H
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	The present invention relates to methods for making oxidation resistant 5 medical devices that comprise polymeric materials, for example, ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making antioxidant-doped medical implants, for example, doping of medical devices containing cross-linked UHMWPE with vitamin E by diffusion, post-doping annealing, and materials used therein. 130"C 4, a 2 - 100*C 25'C 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Distance (mm)