Patent ID: 6171265
Filing Date: 2001-01-09
Classification: A61B,B06B

Abstract:
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, andat 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, andfurther 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.