Laser catheter having wide angle sweep
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United States of America Patent
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-
Dec 13, 1988
Grant Date -
N/A
app pub date -
Feb 4, 1987
filing date -
Feb 4, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved laser catheter system includes a flexible catheter tube having proximate and distal ends. The distal end, which is intended for inserting into a patient's artery, is axially split into at least two segments. Optical waveguides extend the length of the catheter tube and terminate at the distal end, with at least one waveguide secured to each of the spreadable segments. A mechanism is provided for spreading the segments while the catheter is implaced in the patient. Conveniently, a balloon catheter may be used by inserting it into the lumen of the laser catheter so that the balloon tip lies within the spreadable segments. By then inflating the balloon, the spreadable segments are spread apart as desired.
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