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    • 7. 发明申请
    • METHOD AND APPARATUS FOR DISINTEGRATING URINARY TRACT STONES
    • 用于消除尿路感染的方法和装置
    • WO2004045366A2
    • 2004-06-03
    • PCT/US2003/033452
    • 2003-10-22
    • SEDDON, J., Michael
    • SEDDON, J., Michael
    • A61B
    • A61B17/22022A61B17/221A61B2017/2212
    • A method and apparatus for treating urinary tract stones in the urinary tract uses an adjustable stone retainer to engage and retain a urinary tract stone and a central electrode to apply disintegrating energy to the retained urinary tract stone. A physician inserts a collapsed retainer assembly, including the adjustable stone retainer and the central electrode enclosed in an outer sheath, into the urinary tract. Once the probe is proximate the urinary tract stone, the physician extends the stone retainer relative to the outer sheath and engages and retains the urinary tract stone in the stone retainer. While retaining the urinary tract stone in the stone retainer, the physician applies disintegrating energy with the central electrode to the urinary tract stone until the urinary tract stone disintegrates. Once the treatment is complete, the physician retracts the stone retainer into the outer sheath and removes the collapsed retainer assembly from the urinary tract.
    • 用于治疗尿道中尿路结石的方法和装置使用可调节的石头保持器来接合并保持尿路结石和中心电极,以将残留的尿道结石施加分解能。 医生将包括可调石头保持器和封闭在外护套中的中心电极的收缩的保持器组件插入尿道。 一旦探头靠近泌尿道石头,医师就相对于外鞘延伸石头保持器,并将尿路石头接合并保留在石头保持器中。 在保留石块中的尿道石头的同时,医师将中心电极分解能量施加到尿路石头,直到尿道石块分解为止。 一旦治疗完成,医师将石头保持器缩回到外护套中,并从尿道中移除收缩的保持器组件。
    • 9. 发明申请
    • ACOUSTIC IMPACT DELIVERY CATHETER WITH END CAP
    • 耳塞式输送导管
    • WO1990009762A1
    • 1990-09-07
    • PCT/US1990000904
    • 1990-02-22
    • PHYSICAL SCIENCES, INC.THE GENERAL HOSPITAL CORPORATION
    • PHYSICAL SCIENCES, INC.THE GENERAL HOSPITAL CORPORATIONROSEN, David, I.PETSCHEK, HarryDRETLER, Stephen, P.BHATTA, Krishna, M.
    • A61B17/00
    • A61B18/26A61B17/22022A61B90/39A61B2017/22038A61B2017/22091A61B2017/922A61B2017/928A61B2018/266
    • 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.
    • 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。