Ultrasonic doppler blood flow detector for hemorrhoid artery ligation
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United States of America Patent
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Nov 5, 1996
Grant Date -
N/A
app pub date -
May 19, 1995
filing date -
May 19, 1995
priority date (Note) -
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Abstract
An ultrasonic doppler blood flow detector used for hemorrhoid artery ligation having a hollow insertion cylinder which is enclosed at the distal end and open at the near end, and can be inserted through the anus; the cylinder has an ultrasound transducer in its interior wall, for detecting blood flow in the affected artery, and a ligation hole next to the transducer, through which the detected artery is ligated with ligation device, such as a curved needle or a wire for cautery.
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