Eitan T. Wiener,Kenneth S. Kramer,Foster B. Stulen,Ashvani K. Madan,Kevin L. Houser
申请号：
US15257385
公开号：
US10420579B2
申请日:
2016.09.06
申请国别(地区):
US
年份:
2019
代理人:
摘要：
An ultrasonic surgical instrument is disclosed including a transducer, an ultrasonic blade operably coupled to the transducer, and a control circuit. The control circuit is configured to provide a drive signal to the transducer to cause the transducer to transmit ultrasonic vibrations to the ultrasonic blade, detect a change in a vibration frequency of the ultrasonic blade based at least in part on a change in a frequency of the drive signal, wherein the change in the vibration frequency of the ultrasonic blade corresponds to a tissue condition of tissue treated with the ultrasonic blade, and modify the drive signal in response to the tissue condition.
