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CATHETER WITH NEEDLES FOR LAYERED ABLATION OF TISSUES IN A VESSEL
专利权人:
БАЙОСЕНС ВЕБСТЕР (ИЗРЭЙЛ) ЛТД. (IL)
发明人:
ГРЮНЕВАЛЬД Дебби (US)
申请号:
RU2014109780/14
公开号:
RU2014109780A
申请日:
2014.03.13
申请国别(地区):
RU
年份:
2015
代理人:
摘要:
1. A catheter comprising: a catheter body; a distal end section having: a tube with a lumen, the tube having at least one hole; at least one needle in the lumen, capable of accepting extended and retracted positions; an elongated support element passing through at least one lumen in the distal end section; a drive passing through at least one lumen in the distal end section and adapted for longitudinal movement on and relative to the elongated support element; control handle, having an element adapted to control the longitudinal movement of the actuator relative to the elongated support element; a wire adapted to longitudinally move relative to at least the catheter body to move the actuator relative to the elongated support element; wherein at least one needle is supported by the elongated support element in the retracted position, and at least one needle is pushed out radially by the drive when the needle is in the extended position. 2. The catheter according to claim 1, where at least one needle is located, in General, in the distal end section with the retracted position and at least one needle has a working part outside the distal end section through at least one hole in the extended position. The catheter of claim 2, wherein the working portion extends radially from the distal end section through at least one opening when at least one needle is in the extended position. The catheter according to claim 1, where at least one needle is supported in the radial direction relative to the distal1. Катетер, содержащий:корпус катетера;дистальную концевую секцию, имеющую:трубку с просветом, причем трубка имеет по меньшей мере одно отверстие;по меньшей мере одну иглу в просвете, способную принимать выдвинутое и втянутое положения;удлиненный опорный элемент, проходящий через по меньшей мере один просвет в дистальной концевой секции;привод, проходящий через по меньшей мере один просвет в дистальной концевой секции и приспособленный для продольного перемещения на удлиненном
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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