Electrosurgical and ultrasonic surgical system
US5190517A · kind A · utility
2,166Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1991 |
| Grant date | Mar 2, 1993 |
| Priority date | — |
| Expiry date | Jun 6, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/00875
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An electrical circuit system which provides electrical energy to a surgical apparatus having ultrasonic fragmentation, aspiration and electrosurgical coagulation capabilities, which system also includes an impedance sensing network and automatic feedback power output control to reduce RF power output as load impedance increases, thereby reducing RF leakage current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.