Catheter for removing arteriosclerotic plaque
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United States of America Patent
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-
Mar 18, 1986
Issued Date -
N/A
app pub date -
Aug 1, 1983
filing date -
Feb 18, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and method for identifying and removing arteriosclerotic plaque deposits from blood vessels is disclosed. The apparatus comprises a catheter having an optical fiber for transmitting laser irradiation and an ultrasonic transducer mounted at the tip of the catheter for transmitting and receiving ultrasonic signals. The apparatus further comprises a transmitting unit for generating electrical impulses for activating the ultrasonic transducer, a receiving unit for displaying electrical signals from the ultrasonic transducer and a laser. Arteriosclerotic plaque deposits are identified by the ultrasonic echoes which result from transmitted ultrasonic signals and are removed by laser irradiation.
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