Device and method for embolus detection
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United States of America Patent
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Jul 30, 2002
Grant Date -
N/A
app pub date -
Jan 29, 2000
filing date -
Jul 31, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device for detecting embolus uses ultrasonic signals reflected on a fluid flow in a body. The device features a first ultrasonic unit for receiving a first signal generated in a first position in a vessel and a second ultrasonic unit for additional reception of a second signal generated in a second position in the body. The device also features a detector unit for detecting the embolus. The detector unit is triggered only if the time interval between the characteristic changes in the first and second signal, corresponding to a possible embolus, exceeds a minimum value, or if the characteristic signal change occurs in one of the signals only.
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