Handpiece for use with a multifunctional operating endoscopic instrument
First Claim
1. Handpiece for a multifunctional instrument for endoscopic surgery, comprisinga case, a connector disposed on the case and adapted to receive lines, at least one ultrasonic transducer arranged in said case, an ultrasonic sonotrode for transmitting an ultrasonic wave from said transducer, and at least one switch disposed within the handpiece for controlling functions of the handpiece, characterized in that said sonotrode includes a long and thin probe section with a duct composed of several segments welded to each other, and further characterized in that said switch comprises at least one sensor and an associated switching circuit as well as at least one actuator element, and that said at least one actuator element does not include any part which may be brought into direct mechanical contact with the respective sensor.
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Accused Products
Abstract
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.
24 Citations
36 Claims
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1. Handpiece for a multifunctional instrument for endoscopic surgery, comprising
a case, a connector disposed on the case and adapted to receive lines, at least one ultrasonic transducer arranged in said case, an ultrasonic sonotrode for transmitting an ultrasonic wave from said transducer, and at least one switch disposed within the handpiece for controlling functions of the handpiece, characterized in that said sonotrode includes a long and thin probe section with a duct composed of several segments welded to each other, and further characterized in that said switch comprises at least one sensor and an associated switching circuit as well as at least one actuator element, and that said at least one actuator element does not include any part which may be brought into direct mechanical contact with the respective sensor.
Specification