КЛАРК Джеффри Л. (US),ДУАРТЕ Мария (US),ЛАВДЖОЙ Эрика (US)
申请号：
RU2013158819/14
公开号：
RU2013158819A
申请日:
2013.12.27
申请国别(地区):
RU
年份:
2015
代理人:
摘要：
1. A catheter comprising: an elongated catheter body； a point electrode located distally relative to the catheter body； a support member having a channel portion forming a rounded distal surface； a sheath mounted on the support member； and a safety tensioning element having a tensioning portion located in the channel portion for passing around a rounded distal surface. 2. The catheter according to claim 1, wherein the safety tensioning element has two ends, at least one of which is fixed to the catheter. The catheter according to claim 2, further comprising a control handle, said at least one end of the safety tensioning element being fixed in the catheter handle. The catheter according to claim 1, wherein the channel portion is U-shaped. The catheter according to claim 1, wherein the safety tensioning element has two proximal parts extending in parallel through the catheter body. The catheter according to claim 1, wherein the sheath and the support element form a cavity between them, and the support element has at least one additional channel that provides fluid communication between the catheter body and the cavity. The catheter of claim 6, wherein the sheath has at least one fluid opening configured to provide fluid communication between the cavity and the medium outside the sheath. A catheter according to claim 1, wherein the support member has at least one additional channel configured to receive at least one component extending between the catheter body and the point electrode. The catheter according to claim 8, wherein said at least �1. Катетер, содержащий:удлиненный корпус катетера；точечный электрод, расположенный дистально относительно корпуса катетера；опорный элемент, имеющий канальную часть, образующую закругленную дистальную поверхность；оболочку, установленную на опорном элементе； ипредохранительный натяжной элемент, имеющий натяжную часть, расположенную в канальной части, для прохождения вокруг закругленной дистальной поверхности.2. Катетер по п. 1, в к
