Stent deployment systems and methods
a deployment system and stent technology, applied in the field of coronary artery disease, can solve the problems of coronary artery lumen to “restenose”, patients experience restenosis, current stents and stent deployment devices, however, are not well-suited to address these new potential applications of stents
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[0034] A preferred embodiment of a stent deployment system according to the invention is illustrated in FIG. 1. Stent deployment system 20 includes a sheath 24, a pusher tube 26 slidably disposed within sheath 24, and a catheter shaft 28 slidably disposed within pusher tube 26. Sheath 24, pusher tube 26 and catheter shaft 28 are all made of a flexible biocompatible material suitable for endovascular placement and positioning along a tortuous path from a peripheral vessel to the coronary arteries. A guidewire 30 is slidably positionable within catheter shaft 28 to facilitate introduction and tracking. An expandable member 32, which preferably is an elastomeric balloon, is mounted to the distal end of catheter shaft 28 and has an unexpanded shape suitable for endovascular positioning, and an expanded shape for deploying a stent within a vascular lumen. A series of tubular stent segments 34 are disposed about the periphery of expandable member 32 and are configured to be expanded by th...
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