Robert J. Beetel;Daniel J. Abbott;James R. Giordano;Brian DiNardo;Jeffrey D. Messerly;Eitan T. Wiener
发明人:
James R. Giordano,Robert J. Beetel,Eitan T. Wiener,Jeffrey D. Messerly,Brian DiNardo,Daniel J. Abbott
申请号：
US13294576
公开号：
US20120123458A1
申请日:
2011.11.11
申请国别(地区):
US
年份:
2012
代理人:
摘要：
An apparatus, system, and method for driving an end effector in a surgical instrument are disclosed. The method comprises generating a first ultrasonic drive signal by a generator, actuating the ultrasonic transducer with the first ultrasonic drive signal for a first period, generating a second ultrasonic drive signal by the generator, and actuating the ultrasonic transducer with the second ultrasonic drive signal for a second period, subsequent to the first period. The first drive signal second drive signal are different over the first and second periods. The first and second drive signals define a step function waveform over the first and second periods. The apparatus comprises a generator to couple to an ultrasonic instrument. The system comprises a generator coupled to an ultrasonic instrument comprising an ultrasonic drive system comprising an ultrasonic transducer coupled to a waveguide and an end effector. The ultrasonic drive system resonates at a resonate frequency.
