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    • 3. 发明申请
    • ARTIFICIAL BLOOD VESSEL
    • 人造血管
    • US20130103137A1
    • 2013-04-25
    • US13643131
    • 2011-06-13
    • Takuji AsanoDaisuke YokoyamaYoshihiko Kinoshita
    • Takuji AsanoDaisuke YokoyamaYoshihiko Kinoshita
    • A61F2/856
    • A61F2/856A61F2/06A61F2/064A61F2002/061A61F2002/067A61M1/3655A61M39/0208A61M39/0247A61M2039/0258
    • An artificial blood vessel has a trunk portion which forms a part of the blood vessel and also has branch portions which are branched from the trunk portion. The branch portions are provided with access ports into which a needle, for discharging liquid out of a human body or introducing the liquid into the human body, is inserted. Tubular reinforcement members integrated with the blood vessel wall of the trunk portion are disposed at positions of the trunk portion, the positions being those from which the branch portions are branched, and at portions adjacent to the positions of the trunk portion. A lateral force at the time of needle insertion is borne by the reinforcement member, and this prevents the trunk portion from deforming. Thus, the configuration prevents the artificial blood vessel from deforming due to a force applied when a needle for discharging liquid from a human body or introducing the liquid into the human body is inserted into an access port of the artificial blood vessel.
    • 人造血管具有形成血管的一部分的躯干部,并且还具有从主干部分支的分支部。 分支部分设置有入口,插入用于将液体排出人体或将液体引入人体的针的入口。 与躯体部分的血管壁一体化的管状加强构件设置在躯干部分的位置,分支部分分支的位置以及与主干部分的位置相邻的部分。 针插入时的横向力由加强构件承担,防止躯干部变形。 因此,当用于从人体排出液体的针或将液体引入人体时,由于施加的力而使人造血管变形,从而防止人造血管变形。