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    • 9. 发明专利
    • Guide wire
    • JP5196769B2
    • 2013-05-15
    • JP2006316300
    • 2006-11-22
    • テルモ株式会社
    • 啓 村山則之 玉井康 木下淳一 小林
    • A61M25/09A61L29/00
    • PROBLEM TO BE SOLVED: To provide a guide wire capable of retaining the lubricity of the front surface even if left for a long time, and capable of securely reducing the sliding resistance when inserted into a catheter, for example. SOLUTION: The guide wire 1 is a guide wire for a catheter to be inserted into the catheter. The guide wire comprises: a wire body 10 to which a first wire 2 disposed on the distal end side and a second wire 3 disposed on the proximal end side of the first wire 2 are connected; an intermediate layer 4; a resin layer 5; and a coating layer 6. The coating layer 6 is composed of a coating material including a cross-linked polymer with 2-acrylamide-2 methyl propane sulfonic acid as a first monomer component. The cross-linked polymer is preferably a copolymer comprising the first monomer component and a second monomer component. The cross-linked polymer preferably has a three-dimensional network structure, and swells and gels by absorbing water. COPYRIGHT: (C)2008,JPO&INPIT