Endoscopic electrosurgical apparatus
US5334183A · kind A · utility
2,372Cited by
60References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 9, 1992 |
| Grant date | Aug 2, 1994 |
| Priority date | — |
| Expiry date | Apr 9, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/00982
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention relates to a surgical apparatus having four general embodiments: (1) the use of an ultrasonic vibrator and a radio frequency generator to simultaneously cut and cauterize tissue, (2) the use of an ultrasonic vibrator to cut tissue coupled with the independent use of a radio frequency generator to cut tissue, (3) the exclusive use of a radio frequency generator to cut and cauterize tissue, and (4) the use of a laser to fulgerate tissue. An aspiration system is preferably combined with these embodiments to facilitate surgery and biopsy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.