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    • 1. 发明申请
    • FLEXIBLE SLEEVE FOR CATHETER
    • 柔性套管
    • WO2007103258A3
    • 2008-02-07
    • PCT/US2007005508
    • 2007-03-05
    • BOSTON SCIENT SCIMED INCESKURI ALAN DJOHNSON CHRISTOPHERHARRIS CHADHAWK MATTHEW LKIM GRACE
    • ESKURI ALAN DJOHNSON CHRISTOPHERHARRIS CHADHAWK MATTHEW LKIM GRACE
    • A61M25/00
    • A61M25/0054A61M25/0045A61M25/0069A61M25/0084A61M25/0138
    • A catheter is provided for the injection of therapeutic agents at a target site within a patient's body. The catheter includes a first elongated shaft having a distal end and a proximal end and a lumen extending therebetween. The catheter also includes a second elongated shaft in the form of a needle slidingly disposed in the first elongated shaft, the needle having a distal end and a proximal and a lumen extending therebetween. The catheter may include a flexible sleeve, wherein the flexible sleeve compresses along the inside of a curve and elongates along the outside of a curve. The catheter may additionally or alternatively include an adjustable distal tissue contact surface, wherein the position of the distal tissue contact surface may be adjusted with respect to a stop surface for stopping the advancement of a needle. The catheter may additionally or alternatively include a fluid pressure contact monitor.
    • 提供了用于在患者体内的靶位置处注射治疗剂的导管。 导管包括具有远端和近端的第一细长轴和在其间延伸的内腔。 导管还包括滑动地设置在第一细长轴中的针形式的第二细长轴,所述针具有远端和近端以及在其间延伸的内腔。 导管可以包括柔性套管,其中柔性套筒沿曲线的内部压缩并且沿着曲线的外侧延伸。 导管可另外地或可选地包括可调节的远端组织接触表面,其中远侧组织接触表面的位置可以相对于止动表面进行调整,以阻止针的前进。 导管可以附加地或替代地包括流体压力接触监视器。