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1. 发明申请

US20080015625A1 SHAPEABLE FOR STEERABLE GUIDE SHEATHS AND METHODS FOR MAKING AND USING THEM 有权
标题翻译：适用于可导向指南的形式及其制作和使用方法
公开(公告)号：US20080015625A1
公开(公告)日：2008-01-17
申请号：US11746639
申请日：2007-05-09
申请人： Christine Ventura , Alfonso Pulido , Stephen Leeflang
发明人： Christine Ventura , Alfonso Pulido , Stephen Leeflang
IPC分类号： A61M29/00
CPC分类号： A61M25/0097 , A61B17/3439 , A61M25/0147 , A61M25/0152 , A61M25/0662 , A61M2025/0024 , A61N1/056 , A61N2001/0585
摘要： Apparatus and methods are provided for providing access to a body lumen, e.g., to deliver a pacing lead within a patient's heart. The apparatus includes a tubular member including a proximal end, a distal end sized for insertion into a body lumen, and a lumen extending therebetween. An elongate member extends from the distal end of the tubular member. An expandable sheath extends along at least a portion of the elongate member, the sheath being expandable from a contracted condition to facilitate insertion into a body lumen, and an enlarged condition wherein the sheath at least partially defines a lumen communicating with the tubular member lumen. A stylet or other shaped element is insertable into the elongate member for changing a shape of at least a distal tip of the elongate member, e.g., for accessing side branches extending from a body lumen, e.g., within a patient's coronary venous system.
摘要翻译：提供了用于提供对体腔的接近的装置和方法，例如将患者心脏内的起搏引线输送。该装置包括管状构件，该管状构件包括近端，尺寸适于插入体腔的远端和在其间延伸的内腔。细长构件从管状构件的远端延伸。可扩张护套沿着细长构件的至少一部分延伸，护套可以从收缩状态扩展以便于插入体腔，以及扩大状态，其中护套至少部分地限定与管状构件腔连通的内腔。探针或其他形状的元件可插入到细长构件中，用于改变细长构件的至少远侧末端的形状，例如用于进入从体腔延伸的侧分支，例如在病人的冠状静脉系统内。

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