A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 29/04 (2006.01) A61L 29/00 (2006.01) A61L 29/14 (2006.01) A61M 25/00 (2006.01)
Patent
CA 2301533
Balloons for use on medical devices such as catheter ballons are formed from polymer blend products which include a liquid crystal polymer (LCP), a crystallizable thermoplastic polymer, especially thermoplastic polyesters such as PET, and a compatabilizer. The compatabilizer my be an ethylene-maleic anhydride copolymer, an ethylene-methyl acrylate copolymer, an ethylene-methyl acrylate copolymer, an ethylene-methyl acrylate-maleic anhydride terpolymer, an ethylene-methyl-methacrylic acid terpolymer, an acrylic rubber, and ethylene-ethyl acrylate-glycidyl methacrylate terpolymer or a mixture of two or more such polymers.
L'invention porte sur des ballonnets destinés à êre utilisés sur des dispositifs médicaux tels que des cathéters. Les ballonnets sont formés à partir de mélanges de produits polymères qui comprennent un polymère cristallin liquide (LCP), un polymère thermoplastique cristallisable, notamment des polyesters thermolastiques tels que le PET et un agent compatibilisant. Cet agent compatibilisant peut être un copolymère éthylène-anhydride malique, un copolymère éthylène-acrylate de méthyle, un terpolymère éthylène-acrylate de méthyle-anhydride malique, un terpolymère éthylène-méthyle-acide méthacrylique, un caoutchouc acrylique, un terpolymère éthylène-acrylate d'éthyle-méthacrylate de glycidyle ou un mélange d'au moins deux de ces polymères.
Barry Ralph J.
Chen Jianhua
Ferrera David A.
Michaels George C.
Wang Lixiao
Boston Scientific Limited
Piasetzki Nenniger Kvas Llp
Scimed Life Systems Inc.
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