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    • 8. 发明公开
    • Sensing device and method for determining aneurysmal pressure in a body cavity
    • Fühlervorrichtungund Methode zur Bestimmung aneurysmatischen Drucks in einemKörperhohlraum
    • EP1356765A1
    • 2003-10-29
    • EP03009252.2
    • 2003-04-23
    • Medtronic AVE, Inc.
    • Letort, MichelTseng, David
    • A61B5/0215G01L7/20G01L7/18
    • A61B5/411A61B5/02014A61B5/0215A61B2562/17G01L7/187G01L7/20
    • A device for sensing aneurysmal pressure in a body cavity includes a housing (20) including at least one chamber (25) formed therein. A first fluid (26) is positioned in a first portion (27) of the chamber. A second fluid (28) is positioned in a second portion (29) of the chamber. A compressible fluid (32) is positioned in the second portion of the chamber. A divider (35) is positioned between the first and second fluids. A pressure membrane (38) is in communication with the first portion of the chamber. The aneurysmal pressure is transmitted through the membrane and the first fluid to position the divider within the chamber. A method for determining aneurysmal pressure in a body cavity includes deploying a sensing device including radiopaque substance adjacent an aneurysm. The radiopaque substance is moved within the device in response to the aneurysmal pressure. The sensing device is imaged and pressure and/or relative pressure is read directly.
    • 用于感测体腔内的动脉瘤压力的装置包括壳体(20),其包括形成在其中的至少一个腔室(25)。 第一流体(26)定位在腔室的第一部分(27)中。 第二流体(28)定位在腔室的第二部分(29)中。 可压缩流体(32)定位在腔室的第二部分中。 分隔件(35)位于第一和第二流体之间。 压力膜(38)与腔室的第一部分连通。 动脉瘤压力通过膜和第一流体传输,以将分隔器定位在腔室内。 一种用于确定体腔内的动脉瘤压力的方法包括:在动脉瘤附近布置包括不透射线物质的感测装置。 响应于动脉瘤压力,不透射线的物质在装置内移动。 感测装置被成像,并且直接读取压力和/或相对压力。