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Instantaneous ultrasonic echo measurement of bladder volume with a limited number of ultrasound beams
专利权人:
Gerald McMorrow;Henri Baartmans;Nicolaas Bom;Charles Theodoor Lancee
发明人:
Gerald McMorrow,Henri Baartmans,Nicolaas Bom,Charles Theodoor Lancee
申请号:
US12760291
公开号:
US09993225B2
申请日:
2010.04.14
申请国别(地区):
US
年份:
2018
代理人:
摘要:
An apparatus and methods to quantify the volume of urine in a human bladder with a limited number of acoustic beams is disclosed. In a first version a plurality of narrow ultrasound beams is transmitted in different directions towards the bladder. Returning echoes are converted to digital form and stored in memory. A volume display on the apparatus allows to define the optimal apposition of the transducer assembly. Signal processing software automatically determines the bladder Depth D and Height H and computes the volume of urine. In a second version, a single wide angle ultrasound beam transducer transmits ultrasounds signals at a fundamental frequency to quantify the urine volume. Return signals originating from a depth beyond the usual position of the posterior wall depth of a filled bladder are analyzed for presence of higher harmonic signals, which in turn are related to the presence or absence of urine.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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