GELS

The present invention relates to biostable gel comprising: (a) at least one silcon-containing polyol, polyamine, polyepoxy or polyisocyanate having 1 or more functional groups and a molecular weight of at least 20,000 which is cured in the presence of : (b) at least one diol, diamine or diisocyanate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VENKATARAMANI, SRIRAM, MUDUMBA, RAMASRI, PADSALGIKAR, AJAY, MEHRABI, MANSOUR, BOWN, MARK
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON 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 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 ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROSTHESES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	The present invention relates to biostable gel comprising: (a) at least one silcon-containing polyol, polyamine, polyepoxy or polyisocyanate having 1 or more functional groups and a molecular weight of at least 20,000 which is cured in the presence of : (b) at least one diol, diamine or diisocyanate having a molecular weight of less than 10,000; and/or (c) an initiator, processes for their preparation and their use in the manufacture and repair of biomaterials and medical devices, articles or implants, in particular the manufacture of asoft tissue implant such as breast implants and the repair of orthopaedic joints such as spinal discs. L'invention concerne un gel biostable comprenant : (a) au moins un polyol, une polyamine, un polyépoxy ou un polyisocyanate contenant du silicium, ayant 1 ou plusieurs groupes fonctionnels et une masse moléculaire d'au moins 20 000, durci en présence de : (b) au moins un diol, une diamine ou un diisocyanate ayant une masse moléculaire de moins de 10 000; et/ou (c) un initiateur, des procédés pour leur préparation et leur utilisation dans la fabrication et la réparation de biomatériaux et de dispositifs médicaux, d'articles ou d'implants, en particulier la fabrication d'un implant de tissu mou tel que les implants mammaires et la réparation d'articulations orthopédiques telles que les disques spinaux.