DLA Piper LLP (US)
Artificial blood vessel
An artificial blood vessel includes a tubular woven fabric composed of a multifilament yarn A including a first polyester and a multifilament yarn B including a second polyester, and has an inner diameter of 8 mm or less and a layer thickness of 50 μm or more and 250 μm or less, wherein the multifilament yarn A has a single fiber fineness of 1.0 dtex or more and a total fineness of 33 dtex or less, the multifilament yarn B has a single fiber fineness of 0.08 dtex or less and a total fineness of 66 dtex or less, and the multifilament yarn B forms loops on an inner wall surface of the tubular woven fabric.
Toray Industries, Inc.
A A D D A A A A A
A61F A61L D04B D10B A61F A61L A61F A61F A61F
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Hiroshi Masaki Nobuaki Koji Satoshi Yuka Kazuhiro
Tsuchikura Fujita Tanaka Kadowaki Yamada Sakaguchi Tanahashi