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1. 发明授权

US5628779A Single-pass A-V pacing lead 失效
标题翻译：单程A-V起搏线
公开(公告)号：US5628779A
公开(公告)日：1997-05-13
申请号：US629960
申请日：1996-04-03
申请人： Gene A. Bornzin , Kevin L. Morgan , Joseph J. Florio , Wendy K. Wolsleger
发明人： Gene A. Bornzin , Kevin L. Morgan , Joseph J. Florio , Wendy K. Wolsleger
IPC分类号： A61N1/05
CPC分类号： A61N1/056
摘要： A single-pass atrio-ventricular (A-V) pacing lead includes an elongated main lead body having an atrial electrode at the distal end thereof, and includes a ventricular branch which departs from the main lead body just proximal to the tip of the atrial electrode. The ventricular branch has a ventricular electrode at its distal tip. The main lead body includes a preformed "J"-shaped portion which, following proper implantation, projects the atrial electrode against a wall of the atrial appendage. The ventricular branch includes a preformed bend which curves in the opposite direction of the J-shaped portion so as to maintain the ventricular branch generally away from the wall of the atrial appendage. The lead includes a single lumen which extends through both the main lead body and the ventricular branch, allowing the lead to be implanted using a single stylet. When the styler is fully inserted within the lumen, an extension portion of the atrial electrode, including the electrode tip, rests alongside the straightened ventricular branch so as to present a low cross-sectional profile, facilitating transvenous implantation.
摘要翻译：单通道心房（A-V）起搏引线包括细长的主引线体，其在其远端具有心房电极，并且包括心室分支，该心室分支离开主导体正好靠近心房电极的尖端。心室分支在其远端具有心室电极。主引线体包括预成形的“J”形部分，其在适当植入之后将心房电极投射到心房的壁上。心室分支包括在J形部分的相反方向上弯曲的预成形弯曲部，以便使心室分支通常远离心房壁。引线包括延伸穿过主引线主体和心室分支的单个内腔，允许使用单个通丝针植入引线。当造型器完全插入管腔中时，包括电极末端的心房电极的延伸部分位于矫正的心室分支旁边，以便呈现低横截面轮廓，便于经静脉植入。

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