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METHOD AND APPARATUS FOR INFLATING AND DEFLATING BALLOON CATHETERS
专利权人:
CRYOCATH TECHNOLOGIES INC.
发明人:
ABBOUD, MARWAN,MAHROUCHE, RACHID,MIHALIK, TERESA ANN,HARMOUCHE, CHADI,MONGER, ERIC
申请号:
CA2652112
公开号:
CA2652112C
申请日:
2005.03.23
申请国别(地区):
CA
年份:
2013
代理人:
摘要:
A system and method for controlling inflation, ablation, and deflation of a balloon catheter, including a catheter, a console having a pressurized gas or liquid inflation source, and an umbilical system to deliver coolant. A pressure-sensing device monitors pressure and volume within the catheter. During inflation, pressure and/or volume of fluid within the balloon is maintained to provide sufficient pressure against the target region. Inflation pressure is limited so a safe quantity of gas would be released should a leak occur. If the amount falls below a threshold, fluid egress is presumed, halting inflation. An intermediate console having a shut-off valve may be coupled between the console and catheter to interrupt coolant flow upon leak detection. The balloon can be re-inflated by a separate coolant source in the intermediate station or by a syringe. A second balloon may envelope the first balloon, providing a safety vacuum between the two balloons.
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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