Localization method and device for determining the degree of fragmentation of stones
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United States of America Patent
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-
Jul 24, 1990
Issued Date -
N/A
app pub date -
May 27, 1987
filing date -
Sep 27, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The disclosure relates to apparatus for localizing the fragments of stones associated to a lithotrite comprising a spherical focussing cup acting as a power transducer and an auxiliary transducer subjected to a sectorial scanning and mounted at the center of the cup and coupled to an echography device. The apparatus comprises an auxiliary generator for exciting the power transducer with pulses generated at a frequency of a few hertz and at a power reduced with respect to that of the shootings. During the emission of the pulses with reduced power, the receiver of the echographic device is connected to an auxiliary cathode tube which forms an A echography image in order to localize the fragments of stones.
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