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    • 9. 发明申请
    • Catheter
    • 导管
    • US20050234409A1
    • 2005-10-20
    • US10518822
    • 2003-06-20
    • Mitsuru HoribaNobumasa TsutsuiYasuhiro Tsutsui
    • Mitsuru HoribaNobumasa TsutsuiYasuhiro Tsutsui
    • A61B17/00A61B17/28A61B17/34A61M25/00A61M31/00
    • A61B17/29A61B17/3478A61B2017/00247A61B2017/00292A61B2017/00336A61B2017/00349A61B2017/00353A61B2017/2845A61B2017/2905A61B2017/2933A61B2017/2946A61B2017/3488A61B2018/00392A61M2025/0089
    • A catheter which allows injection into a target region without imposing large burden on a medical patient can be provided. A catheter (1) is used by being inserted from outside of a body into a blood vessel and a distal end thereof being reached inside of a heart, that is a target region, while a proximate end thereof remaining outside of the body. The catheter (1) is configured in a way so that an injection mechanism (5) conducts injection into myocardium from inside of a heart while a forceps mechanism (3) holds myocardium inside of the heart. In the forceps mechanism (3), a grasping portion (13) provided at the distal end of the catheter (1) opens and closes in conjunction with manipulation at a first handling portion (11) provided at the proximate end of the catheter (1). In the injection mechanism (5), an injection needle (43) provided at the distal end of the catheter (1) is protruded from the distal end of the catheter (1) in conjunction with manipulation at a second handling portion (41) provided at the proximate end of the catheter (1).
    • 可以提供允许注射到目标区域而不对医疗患者施加巨大负担的导管。 导管(1)通过从身体的外部插入到血管中并且其远端到达心脏的内部即目标区域,而其近端保持在身体外部。 导管(1)以这样的方式配置,使得注射机构(5)在心脏内部从心脏内部进入心肌内注入,而钳子机构(3)将心肌保持在心脏内部。 在钳子机构(3)中,设置在导管(1)的远端处的抓握部分(13)与设置在导管(1)的近端处的第一处理部分(11)一起打开和关闭 )。 在注射机构(5)中,设置在导管(1)的远端处的注射针(43)与导管(1)的远端一起在第二处理部分(41)处的操作中突出,所述第二处理部分 在导管(1)的近端处。