| 摘要 |
A balloon catheter and stent delivery system for medical treatment of a patient are provided. The balloon catheter includes a hub, a shaft and a Y-shaped balloon. The Y-shaped balloon may include a first distal arm and a second distal arm having different diameters. The Y-shaped balloon may also include a first elongated balloon positioned or secured to a second elongated balloon to form the Y-shaped balloon. The first and second elongated balloons may be balloons having a circular profile at their distal end and a semi-circular profile at their proximal ends.
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