Ultrasonic diagnostic apparatus for examination of a coeliac cavity
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United States of America Patent
Stats
-
Aug 21, 1984
Grant Date -
N/A
app pub date -
Mar 30, 1982
filing date -
Apr 8, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ultrasonic diagnostic apparatus for examination of a coeliac cavity, wherein a chamber sealed from the outside is provided near the distal end portion of an insertion section. An ultrasonic scanning motor provided with an ultrasonic transducer is held in the sealed chamber. This ultrasonic scanning rotor is rotated by a force supplied from a drive power source in an operation section through the rotation torque-transmitting member. A drive passage through which the rotation torque-transmitting member extends communicates with the sealed chamber. That portion of the drive passage which is located near the operation section is sealed by a packing. The drive passage and sealed chamber are filled with a liquid ultrasonic-permeable medium.
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Cited Art Landscape
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