Surgical generator for ultrasonic and electrosurgical devices
US9039695B2 · kind B2 · utility
309Cited by
567References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2010 |
| Grant date | May 26, 2015 |
| Priority date | — |
| Expiry date | Nov 14, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R2201/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In accordance with various embodiments, methods for controlling electrical power provided to tissue via a surgical device may comprise providing a drive signal to a surgical device; receiving an indication of an impedance of the tissue; calculating a rate of increase of the impedance of the tissue; and modulating the drive signal to hold the rate of increase of the impedance greater than or equal to a predetermined constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.