Ultrasonic surgical apparatus

B - Operations – Transporting – 06 – B

Patent

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Details

B06B 1/02 (2006.01) A61B 17/32 (2006.01) A61B 18/12 (2006.01) A61M 3/02 (2006.01) A61B 17/36 (1990.01)

Patent

CA 2128090

2128090 9315850 PCTABS00024 An electrical apparatus for driving an ultrasonic piezoelectric crystal transducer in a surgical handpiece for the fragmentation and aspiration of tissue, which apparatus includes an electronic control loop (12) in combination with a voltage source amplifier (2) having an output which is connected to the piezoelectric crystal transducer (3) with a tuning inductor (4) in parallel. A control system for monitoring the control loop (12) and a component for controlling tissue selectivity are also disclosed.

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