Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 6, 2023
0Patent Application Number
165391220
Date Filed
August 13, 2019
0Patent Citations
Patent Citations Received
Patent Primary Examiner
An ultrasonic surgical instrument is disclosed including an ultrasonic blade, an ultrasonic transducer operably coupled to the ultrasonic blade, and a control circuit. The ultrasonic transducer is configured to transmit ultrasonic vibrations to the ultrasonic blade based on a drive signal. The control circuit is configured to provide the drive signal to the ultrasonic transducer, monitor a vibration frequency of the drive signal, and modify the drive signal based on a change in the vibration frequency of the drive signal.
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