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    • 6. 发明公开
    • ENDOVASCULAR TREATMENT ASSISTANCE TOOL
    • ENDOVASKULÄRESBEHANDLUNGSHILFSWERKZEUG
    • EP3141191A1
    • 2017-03-15
    • EP15788802.5
    • 2015-05-08
    • Toray Industries, Inc.Inoue, Kanji
    • INOUE, KanjiYAGI, TakahiroFUJITA, MasakiKADOWAKI, KojiTANAHASHI, Kazuhiro
    • A61B17/00A61F2/01
    • A61F2/013A61B17/00A61F2002/011A61F2002/015A61F2002/016A61F2230/0067A61F2230/0069A61F2230/0093A61L33/0035
    • An endovascular treatment aiding device whose filter is not caught by a treatment device during retrieval of the endovascular treatment aiding device is disclosed. The treatment aiding device comprises: a flexible shaft; a filter fixed to the shaft, which can be opened and closed in an umbrella-like manner; linear supporting members each of which connects the end portion in the opening-section side of the filter to a part of the shaft such that the filter can be closed by applying an external force to the proximal side; an elastomer member composed of an elastomer in which a penetrating hole (A) is formed, which elastomer member is arranged in the proximal side relative to the opening section of the filter such that the shaft penetrates the penetrating hole (A), wherein the outer diameter of the end face in which the penetrating hole (A) is formed is larger than the outer diameter of the opening-section side of the filter when the filter is closed; and an outer tube in which a penetrating hole (B) is formed, which outer tube is arranged in the proximal side relative to the opening section of the filter such that the shaft penetrates the penetrating hole (B) in a state which allows movement of the shaft in the longitudinal direction; wherein the elastomer member is fixed in the distal side of the outer tube.
    • 公开了一种血管内治疗辅助装置,其在过滤器在血管内治疗辅助装置取回期间未被治疗装置捕获。 治疗辅助装置包括:柔性轴; 固定在轴上的过滤器,其可以以伞状的方式打开和关闭; 线性支撑构件,其将过滤器的开口部侧的端部连接到轴的一部分,使得可以通过向近侧施加外力来关闭过滤器; 弹性体构件,其由形成有贯通孔(A)的弹性体构成,弹性体构件相对于过滤器的开口部配置在基端侧,使得轴穿过贯通孔(A),其中,外侧 当过滤器关闭时,形成有贯通孔(A)的端面的直径大于过滤器的开口部侧的外径; 以及形成有贯通孔(B)的外管,该外管相对于过滤器的开口部配置在基端侧,使得轴以能够移动的状态穿过贯通孔(B) 轴在纵向方向; 其中所述弹性体构件固定在所述外管的远侧。
    • 7. 发明公开
    • MEDICAL DEVICE
    • MEDIZINISCHE VORRICHTUNG
    • EP3088014A1
    • 2016-11-02
    • EP14875327.0
    • 2014-12-19
    • Terumo Kabushiki Kaisha
    • ANZAI, TakaoNISHIDA, Kaori
    • A61L33/00A61L29/00A61L31/00
    • A61L33/0035A61L31/048A61L31/16A61L33/0023A61L33/064A61L33/068A61L2300/42A61L2300/604A61L2300/606A61L2420/02C08L33/12
    • The invention relates to a medical device including a base member and a coating layer containing an antithrombogenic material and covering a surface of the base member. The antithrombogenic material contains a copolymer having a repeating unit (A) represented by the following formula (1) :

      wherein R 11 is a hydrogen atom or a methyl group, Z is an oxygen atom or -NH-, R 12 is a C 1-6 alkylene group, R 13 and R 14 are each independently a C 1-4 alkyl group, and R 15 is a C 1-2 alkylene group, and a repeating unit (B) represented by the following formula (2):

      wherein R 21 is a hydrogen atom or a methyl group, R 22 is a C 1-6 alkylene group, and R 23 is a C 1-4 alkyl group. The repeating unit (A) is contained in a proportion of 1 to 7 mol% based on all the structural units of the copolymer. The invention makes it possible to provide a medical device having excellent antithrombogenicity even under severe use conditions prone to thrombus formation.
    • 本发明涉及一种医疗装置,其包括基底构件和包含抗血栓形成材料并覆盖基底构件的表面的涂层。 抗血栓形成材料含有具有由下式(1)表示的重复单元(A)的共聚物:其中R 11是氢原子或甲基,Z是氧原子或-NH-,R 12是C 1 -6亚烷基,R 13和R 14各自独立地为C 1-4烷基,R 15为C 1-2亚烷基,以及由下式(2)表示的重复单元(B):其中 R 21是氢原子或甲基,R 22是C 1-6亚烷基,R 23是C 1-4烷基。 重复单元(A)的含量相对于共聚物的全部结构单元为1〜7摩尔%。 本发明使得即使在易于血栓形成的严重使用条件下也能提供具有优异抗凝血性的医疗装置。