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MULTI-ELECTRODE IRRIGATED BALLOON CATHETER
专利权人:
ATRIAL FIBRILLATION DIVISION; INC.;ST. JUDE MEDICAL
发明人:
Carlo Pappone,Alan de la Rama,Peter Chen,Cary Hata
申请号:
US16543277
公开号:
US20200038103A1
申请日:
2019.08.16
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A fluid delivery balloon ablation catheter configured to allow uniform fluid distribution through each electrode by varying the diameter of the main lumen. The catheter comprises an elongated tubular catheter body having a distal end, a proximal end, and a lumen extending longitudinally within the catheter body. A number of elution holes are provided in the catheter tip region, and these holes are in fluid communication with the lumen through ducts. As such, cooling fluid is delivered from the pump, through the lumen through the ducts, and out of the holes to the environment outside of the catheter. The main lumen has at least one tapered flow constrictors to restrict flow of fluid towards the distal region of the lumen. The catheter has multiple half-dome balloons, with the distal balloon being the smallest, and the proximal balloon being the largest balloon. The multiple-balloon catheter helps when using the ablation catheter in a funnel-shaped vessel.
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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