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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,气球血管成形术和支架部署能力的导管系统,以及用于指导支架部署的方法
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摘要
A catheter system (12) has a balloon angioplasty device (65) disposed about a common lumen (60) near its distal end. The balloon catheter (12) is pre-fitted with a stent (90) which is deployed when the balloon (65) is inflated. The common lumen (60) is in communication with multiple lumens (23, 25, 27) within a proximal region (15) of the catheter body (12) to allow for positioning of the catheter (12) over a movable guide wire and convenient delivery of imaging of interventional devices to a desired region of a body passageway being treated. The procedure for stent (90) deployment optionally includes steps of imaging a lumen by ultrasound (75) before and after stent (90) deployment to identify the site at which a stent (90) is needed, to confirm that the stent (90) 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 (90) has been radially opened to an optimum diameter.
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