Medical imaging device having a forward looking flow detector
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United States of America Patent
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Nov 6, 2012
Grant Date -
Jan 18, 2007
app pub date -
Jul 1, 2005
filing date -
Jul 1, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention generally relates to medical devices, and more particularly to an improved medical imaging device. In one embodiment, an imaging device includes a drive shaft having proximal and distal ends received within the lumen; an imaging transducer coupled to the distal end of the drive shaft and positioned at the distal portion of the elongate member; and a flow detector coupled to the imaging transducer. The flow detector may include a forward facing ultrasound transducer configured to emit energy in the direction of the longitudinal axis of the imaging device and detect a Doppler shift in the received echoes. In the case where the imaging device is located in a vessel having blood flow, such information may be used to calculate the velocity of the blood flow. The imaging device may be configured to be located in a catheter or guidewire.
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