PLASMA TREATMENT OF BIOLOGICAL TISSUE TO INCREASE THE BIOCOMPATIBILITY THEREOF

The invention relates to a method for treating a biological tissue of animal or human origin to increase the biocompatibility and long-term stability of the tissue for permanent use. Generally, the method comprises treating the tissue with an ionised plasma gas and coating the plasma-treated tissue...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZIMMERMANN, HANNGOERG, HEINLEIN, MARKUS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	The invention relates to a method for treating a biological tissue of animal or human origin to increase the biocompatibility and long-term stability of the tissue for permanent use. Generally, the method comprises treating the tissue with an ionised plasma gas and coating the plasma-treated tissue with a biocompatible metal-containing coating. The biological tissue includes porcine heart valves, heart valves of bovine pericardium or human cadaver heart valves. L'invention concerne un procédé permettant de traiter des tissus biologiques d'origine animale ou humaine, stabilisés par glutardialdéhyde, tels que des valves péricardiques de porc ou de veau ou des valvules cardiaques de donneurs humains décédés. Afin d'augmenter la biocompatibilité, la colonisation cellulaire et la durabilité de ces tissus, il est prévu selon l'invention un traitement plasma notamment du tissu collagène.