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    • 12. 发明申请
    • METHODS FOR SELF-CENTERING A GUIDE CATHETER
    • 自引导导管的方法
    • WO2015013238A3
    • 2015-04-09
    • PCT/US2014047541
    • 2014-07-22
    • MAYO FOUNDATIONSANDHU GURPREET SSPOON DANIEL BTEFFT BRANDON J
    • SANDHU GURPREET SSPOON DANIEL BTEFFT BRANDON J
    • A61M25/01A61M25/04A61M25/09
    • A61F2/2427A61M25/0108A61M25/04A61M25/09
    • A guide catheter can align itself with a blood flow stream to thereby help direct a guidewire or other elongate device transmitted from the guide catheter through an orifice of a heart valve, for treatment of heart conditions such as valvular stenosis. For example, a guide catheter can align itself with a blood flow stream to thereby help direct a guidewire or other elongate device transmitted from the guide catheter through an orifice of a heart valve, or any other normal or abnormal passage in the body against the direction flow. This device can also be used to localize and repair leaks where a fluid flow jet is present in submerged or fluid-filled chambers. A device for centering a medical instrument in a body conduit includes a framework of frame members, defining a lumen with open ends; and a covering.
    • 引导导管可以使其自身与血液流对齐,从而有助于引导从导引导管传递的导丝或其它细长装置通过心脏瓣膜的孔,用于治疗心脏状况如瓣膜狭窄。 例如,引导导管可以使其自身与血液流对准,从而有助于引导从引导导管传递的导丝或其它细长装置通过心脏瓣膜的孔或身体中相对于方向的任何其它正常或异常通道 流。 该装置还可以用于定位和修复在浸没或流体填充的室中存在流体流动喷射的泄漏。 用于将医疗器械定心在体导管中的装置包括框架构件的框架,其限定具有开口端的内腔; 和覆盖物。