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    • 10. 发明申请
    • METHODS AND APPARATUS FOR ACCESSING AND STABILIZING AN AREA OF THE HEART
    • 用于访问和稳定心脏区域的方法和装置
    • WO2004064646A8
    • 2007-03-08
    • PCT/US2004000468
    • 2004-01-09
    • MEDTRONIC INC
    • BONNER MATTHEW DCHEN VICTOR TUSHER RAYMOND WKEOUGH JAMES R
    • A61B18/14A61B19/00A61B19/02A61B19/08A61B19/10A61M1/00
    • A61B18/1485A61B18/1402A61B46/00A61B46/23A61B50/20A61B2018/00291A61B2090/306A61B2090/3614A61B2218/007A61M1/008
    • A tubular suction tool (10) for accessing an anatomic surface or anatomic space and particularly the pericardium to access pericardial space and the epicardial surface of the heart to implant cardiac leads (96) in a minimally invasive manner are disclosed. The suction tool incorporates a suction pad concave wall (36) defining a suction cavity, a plurality of suction ports (42) arrayed about the concave wall, and a suction lumen, to form a bleb of tissue into the suction cavity when suction is applied. The suction cavity extends along one side of the suction pad, so that the suction pad and suction cavity can be applied tangentially against a tissue site. The suction tool can incorporate light emission (52) and video imaging (58) of tissue adjacent the suction pad. A working lumen (20) terminating in a working lumen port (46) into the suction cavity enables introduction of tools, cardiac leads, and other instruments, cells, drugs or materials into or through the tissue bleb drawn into the suction cavity.
    • 公开了一种用于访问解剖表面或解剖空间的管状抽吸工具(10),特别是用于进入心包空间的心包和心脏的心外膜表面以微创方式植入心脏引线(96)。 抽吸工具包括限定吸入腔的吸盘凹壁(36),围绕凹壁排列的多个吸入口(42)和吸入腔,以在抽吸时形成吸入腔中的组织泡 。 吸入腔沿着吸盘的一侧延伸,使得吸力垫和抽吸腔可以相对于组织部位切向施加。 吸入工具可以包括邻近吸盘的组织的光发射(52)和视频成像(58)。 终止于进入吸入腔的工作管腔端口(46)的工作腔(20)能够将工具,心脏引线以及其它器械,细胞,药物或材料引入到吸入腔中的组织水泡中或穿过其中。