Atherectomy, angioplasty and stent method and apparatus
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
Oct 16, 1996
filing date -
Oct 20, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An atherectomy device for treating obstructions in vessels or small openings in the body, includes a rotatable ablator tip which is guided to the obstruction in a reduced diameter configuration, expanded and rotated to remove the obstruction, and contracted to remove the device from the body. The atherectomy device may be combined with a balloon angioplasty device employing either a fixed or variable diameter rotatable abrasive burr and an angioplasty balloon disposed on the distal end of the catheter proximal to the atherectomy device. The atherectomy device may also be combined with a stent implantation device employing either a fixed or variable diameter rotatable abrasive burr and a stent with balloon catheter disposed on the distal end of its catheter proximal to the atherectomy device.
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