Ultrasound-laser surgery apparatus and method
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United States of America Patent
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-
Jan 3, 1995
Issued Date -
N/A
app pub date -
Jul 30, 1991
filing date -
Jul 31, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A catheter having an ultrasound transducer and associated electrically wiring conducted through a sidewall thereof and a plurality of optical fibers provided in the lumen of the catheter for conveying laser light from an external laser source to the tip of the catheter. The laser irradiation is angularly emitted from the tip of each optical fiber. The ultrasound and the laser are connected to a computer system which is used to display ultrasonic images of internal tissue areas within the patient's body and control firing of the laser in response to delimiting input from the physician.
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