Ultrasonic surgical apparatus
US6083191A · kind A · utility
1,892Cited by
19References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 9, 1993 |
| Grant date | Jul 4, 2000 |
| Priority date | — |
| Expiry date | Aug 9, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B2201/76
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
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 in combination with a voltage source amplifier having an output which is connected to the piezoelectric crystal transducer with a tuning inductor in parallel. A control system for monitoring the control loop and a component for controlling tissue selectivity are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.