Ultrasound medical treatment apparatus with reduction of noise due to treatment ultrasound irradiation at ultrasound imaging device
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United States of America Patent
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Mar 3, 1998
Grant Date -
N/A
app pub date -
Jul 23, 1996
filing date -
Mar 12, 1993
priority date (Note) -
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Abstract
An ultrasound medical treatment apparatus includes an ultrasound applicator for applying ultrasound irradiation to a treatment target. The treatment apparatus also includes an ultrasound imaging device that transmits ultrasound pulses to image the treatment target. The treatment apparatus is capable of reducing noises occurring at an ultrasound imaging device due to the ultrasound irradiation generated by the ultrasound application during ultrasound medical treatment. The noises may be reduced by increasing a transmission power of the ultrasound pulses. Alternatively, the noises may be reduced by subtracting pre-recorded noise components from the ultrasound pulses received by the ultrasound imaging device, where the pre-recorded noise components are characteristic of noise occurring at the ultrasound imaging device due to the ultrasound irradiation generated by the ultrasound applicator.
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