Transducer position locking system
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United States of America Patent
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-
Mar 15, 2005
Issued Date -
N/A
app pub date -
Sep 3, 2003
filing date -
Jun 11, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ultrasonic endoscopic probe tip device which provides signals to an imaging system for transesophageal diagnosis includes a removable housing adapted to be attached to the distal end of an endoscope. A rotatable, ball-bearing-mounted phased array transducer within the housing is rotatable around its acoustic propagation axis through multiple turns. The transducer is driven by an immersed micro-motorized drive. A torque limiting gearbox couples the drive to the transducer. A position encoder provides the imaging system with transducer position information over a 360.degree. range. An automatic transducer position locking/unlocking system is used to lock the transducer in a selected rotational position.
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