Methods and apparatus for disintegration of urinary calculi under direct vision
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United States of America Patent
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Jul 29, 1986
Grant Date -
N/A
app pub date -
Nov 16, 1984
filing date -
Nov 16, 1984
priority date (Note) -
Expired
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Abstract
A method and apparatus are provided for machining and disintegrating urinary calculi by subjecting the urinary calculi to ultrasonic forces transmitted by a wave guide in one passageway of a catheter while under observation through an optical system in a second parallel passage in the catheter.
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