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TEMPERATURE ESTIMATION AND TISSUE DETECTION OF AN ULTRASONIC DISSECTOR FROM FREQUENCY RESPONSE MONITORING
专利权人:
COVIDIEN LP
发明人:
ROSS, ANTHONY B.,VAN TOL, DAVID J.,PRICE, DAVID
申请号:
CA2816210
公开号:
CA2816210A1
申请日:
2013.05.23
申请国别(地区):
CA
年份:
2013
代理人:
摘要:
An ultrasonic surgical apparatus and method of use including a signalgeneratoroutputting a drive signal having a frequency, an oscillating structure,receiving thedrive signal and oscillating at the frequency of the drive signal, a bridgecircuit,detecting the mechanical motion of the oscillating structure and outputting asignalrepresentative of the mechanical motion, and a microcontroller receiving thesignaloutput by the bridge circuit, the microcontroller determining an instantaneousfrequency at which the oscillating structure is oscillating based on thereceived signal,and comparing the instantaneous frequency to a known frequency value andestimatinga temperature of the oscillating structure based on the comparison.
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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