Laser catheter with monitor and dissolvable tip
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United States of America Patent
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Jan 25, 1994
Grant Date -
N/A
app pub date -
Feb 18, 1992
filing date -
Feb 18, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A laser catheter for irradiation of human myocardial tissue containing a fixed feedback mechanism for monitoring the damage created by laser irradiation, and which is usable with standard catheters designed for angiography and angioplasty. Means for sensing distal temperature are provided in the form of a plurality of thermocouples, along with the ability to cool the fiber optic and distal tip with a flushing solution. Flushing of the area adjacent to the tip is provided for by a fluid which travels the length of the laser catheter. A dissolvable tip covering at the distal end facilitates passage of a very sharp point through a guiding catheter or vasculature.
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