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Catheter System Having Imaging, Balloon Angioplasty, And Stent Deployment Capabilities, And Method Of Use For Guided Stent Deployment
Catheter System Having Imaging, Balloon Angioplasty, And Stent Deployment Capabilities, And Method Of Use For Guided Stent Deployment
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机译:具有成像,球囊血管成形术和支架展开功能的导管系统,以及用于指导性支架展开的使用方法
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摘要
A catheter system has a balloon angioplasty device disposed about a common lumen near its distal end. The balloon catheter is pre-fitted with a stent which is deployed when the balloon is inflated. The common lumen is in communication with multiple lumens within a proximal region of the catheter body to allow for positioning of the catheter over a movable guide wire and convenient delivery of imaging or interventional devices to a desired region of a body passageway being treated. The procedure for stent deployment optionally includes steps of imaging a lumen by ultrasound before and after stent deployment to identify the site at which a stent is needed, to confirm that the stent is being and has been deployed at a longitudinal position which does not overlap a branched segment of the body passageway, and to ensure that the stent has been radially opened to an optimum diameter.
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