Angioplasty catheter with illumination and visualization within angioplasty balloon
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United States of America Patent
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-
Oct 9, 1990
Issued Date -
N/A
app pub date -
Dec 2, 1987
filing date -
Jan 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An angioplasty catheter includes a light source and eyepiece connected by a cable to a proximal portion of a stiff inner catheter of the angioplasty catheter. A plurality of optical fibers carrying light from the light source are attached to or embedded in the stiff inner catheter and terminate just inside an inflatable transparent balloon of the angioplasty catheter to illuminate the interior of the balloon and the walls of an artery, and plaque or other obstruction in the artery. A plurality of optical fibers with distal ends in the proximal portion of the balloon are embedded in or attached to the stiff inner catheter and have proximal ends connected to the eyepiece to enable a physician to view the walls of the artery and the plaque or obstruction before, during, and after an angioplasty procedure.
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