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    • 10. 发明授权
    • Devices and methods for controlling expandable prostheses during deployment
    • 在展开期间控制可扩张假体的装置和方法
    • US08317859B2
    • 2012-11-27
    • US11752448
    • 2007-05-23
    • David W. SnowTimothy W. RobinsonDawn M. HendersonStuart Lin
    • David W. SnowTimothy W. RobinsonDawn M. HendersonStuart Lin
    • A61F2/06
    • A61F2/966A61F2/95A61F2/958A61F2/97A61F2002/826A61F2002/9505A61F2002/9517A61F2002/9665
    • Prosthesis delivery devices and methods are provided that enable precise control of prosthesis position during deployment. The catheter for delivering a prosthesis to a treatment site in a body lumen typically carries one or more self-expanding tubular prostheses within a sheath. A radially expandable control member is positionable within the prostheses and has an expanded shape which engages an inner surface of the prostheses to urge the prostheses outwardly against the sheath. The radially expandable control member therefore controls axial position of the prostheses during deployment. Thus one or more prostheses may be deployed at a treatment site precisely. When multiple prostheses are deployed, excessive spacing or overlap between adjacent prostheses is minimized. The prostheses of the present invention are often deployed in stenotic lesions in peripheral arteries as well as coronary arteries and other body lumens.
    • 提供了假体输送装置和方法,其能够在部署期间精确地控制假体位置。 用于将假体递送到体腔内的治疗部位的导管通常在护套内携带一个或多个自膨胀管状假体。 径向可扩张的控制构件可定位在假体内并且具有与假体的内表面接合以将假体向外抵靠护套的扩张形状。 因此,可径向扩张的控制构件在展开期间控制假体的轴向位置。 因此,一个或多个假体可以精确地部署在治疗部位。 当部署多个假体时,相邻假体之间的间隔过大或重叠被最小化。 本发明的假体通常部署在外周动脉以及冠状动脉和其他体腔内的狭窄病变中。