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    • 6. 发明申请
    • Anatomical space access tools and methods
    • 解剖空间访问工具和方法
    • US20050273129A1
    • 2005-12-08
    • US11111466
    • 2005-04-21
    • Koen MichelsNicolaas LokhoffMatthew Bonner
    • Koen MichelsNicolaas LokhoffMatthew Bonner
    • A61B17/00A61B17/30A61B17/34
    • A61B17/3423A61B17/3415A61B2017/00247A61B2017/00561A61B2017/306A61B2017/3486A61B2017/3488A61B2018/00392
    • Medical devices and methods for accessing an anatomical space of the body and particularly for penetrating the epicardium to access pericardial space and the epicardial surface of the heart in a minimally invasive manner employing suction are disclosed. The distal end of a tubular access sleeve having a sleeve wall surrounding a sleeve access lumen and extending between a sleeve proximal end and a sleeve distal end having a plurality of suction ports arrayed around the sleeve access lumen distal end opening is applied against an outer tissue layer. Suction is applied through the plurality of suction ports to a plurality of portions of the outer tissue layer. A perforation instrument is introduced through the sleeve access lumen to perforate the outer tissue layer to form an access perforation into the anatomic space while the applied suction stabilizes the outer tissue layer, whereby further treatment drugs and devices can be introduced into the anatomic space.
    • 公开了用于访问身体的解剖空间,特别是用于穿透心外膜以采用抽吸的微创方式进入心包空间和心外膜表面的医疗装置和方法。 管状进入套管的远端具有围绕套管进入腔并且在套筒近端和套筒远端之间延伸的套筒壁,其具有围绕套筒入口腔远端开口排列的多个吸入口,抵靠外部组织 层。 通过多个抽吸端口将吸力施加到外部组织层的多个部分。 通过套管进入腔引入穿孔器械以使外部组织层穿孔,以在被施加的吸力稳定外部组织层时形成进入解剖空间的通路穿孔,从而可以将进一步的治疗药物和装置引入解剖空间。