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1. 发明申请

WO1990009762A1 ACOUSTIC IMPACT DELIVERY CATHETER WITH END CAP 审中-公开
标题翻译：耳塞式输送导管
公开(公告)号：WO1990009762A1
公开(公告)日：1990-09-07
申请号：PCT/US1990000904
申请日：1990-02-22
申请人： PHYSICAL SCIENCES, INC. , THE GENERAL HOSPITAL CORPORATION
发明人： PHYSICAL SCIENCES, INC. , THE GENERAL HOSPITAL CORPORATION , ROSEN, David, I. , PETSCHEK, Harry , DRETLER, Stephen, P. , BHATTA, Krishna, M.
IPC分类号： A61B17/00
CPC分类号： A61B18/26 , A61B17/22022 , A61B90/39 , A61B2017/22038 , A61B2017/22091 , A61B2017/922 , A61B2017/928 , A61B2018/266
摘要： Method and apparatus for fracturing hard deposits (20, 110, 122) such as urinary and biliary stones and atherosclerotic plaque in the human body. A flexible guide (10, 40, 60, 84, 100) having a hard mass (12, 42, 64, 86, 104, 120) capping an end is adapted for insertion through a fluid passage in a living body. An energy source (22, 52, 74, 80) creates a rapid vapor expansion adjacent to the cap (12, 42, 64, 86, 104, 120) causing it to undergo a pulse like movement, imparting a high-velocity impulse to an adjacent deposit (30, 110, 122), thereby fracturing it. The energy source (22, 52, 74, 80) may be a laser (22) with a fiber optic (14) delivery system in the guide (10) terminating adjacent to the cap (12) to cause vaporization of the mass cap (12) to create the vapor expansion. The energy source (22, 52, 74, 80) may be a spark generator (52, 74, 80) with a conductor (46, 66, 82) associated with the guide (40, 60, 84, 100) to deliver a fluid vaporizing spark (126) adjacent to the mass cap (42, 64, 86, 104, 120). Other forms of rapid energy delivery such as chemical detonations or ballistic impact may also be applicable.
摘要翻译：用于压碎硬质沉积物（20,110,122）的方法和装置，例如尿液和胆石和人体动脉粥样硬化斑块。具有封闭端部的硬质块（12,42,64,86,104,120）的柔性引导件（10,40,60,84,100）适于插入穿过生物体中的流体通道。能量源（22,52,74,80）产生与盖子（12,42,64,86,104,120）相邻的快速蒸汽膨胀，使得其经受类似运动的脉冲，从而将高速冲击赋予相邻的沉积物（30,110,122），从而将其压裂。能量源（22,52,74,80）可以是激光器（22），其中引导件（10）中的光纤（14）传送系统在盖子（12）附近终止，从而导致质量帽（ 12）以产生蒸气膨胀。能量源（22,52,74,80）可以是具有与导向件（40,60,84,100）相关联的导体（46,66,82）的火花发生器（52,74,80），以便输送邻近质量帽（42,64,86,104,120）的流体蒸发火花（126）。其他形式的快速能量输送，如化学爆炸或弹道冲击也可能适用。

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