| 摘要 |
A handpiece is disclosed for a multifunctional instrument for endoscopic surgery. The handpiece comprises a case; a connector disposed on the case and adapted to be connected to connecting lines such as electrical lines, liquid supply and discharge lines, and the like; at least one ultrasonic transducer arranged in the case; an ultrasonic sonotrode transmitting the ultrasonic energy; and at least one switch for controlling functions of the handpiece. The handpiece is characterized by, among other things, the provision that the sonotrode includes a long and thin probe section with a duct composed of several segments which are welded to each other.
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