Acoustic imaging and doppler catheters and guidewires
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United States of America Patent
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Jun 13, 2000
Grant Date -
N/A
app pub date -
Aug 11, 1997
filing date -
Nov 30, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention features an acoustic medical device for making Doppler measurements and imaging within a body fluid conduit using a single-transducer. The device has an elongated device body, defining a device axis, constructed for positioning a distal end of the device body near a region of interest in the body fluid conduit. Disposed within the device body is an ultrasonic beam directing assembly that is constructed to direct a portion of ultrasonic energy from a single transducer in a direction for imaging within the body fluid conduit and to direct another portion of the ultrasonic energy in a direction for making Doppler measurements within the body fluid conduit.
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