Bipolar electrosurgical instruments
US11510726B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 16, 2019 |
| Grant date | Nov 29, 2022 |
| Priority date | — |
| Expiry date | Jul 6, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/1286
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bipolar surgical instrument (1) comprises a body (2), first and second opposed jaws (18, 20) located at the distal end of a shaft (10), the first jaw (18) being movable with respect to the second jaw (20) between an open position in which the first and second jaws (18, 20) are spaced apart from one another, and a closed position in which the first and second jaws (18, 20) are adjacent one another. The first and second elongate jaw members (18, 20) have respective first and second electrodes. A power cable having a pair of electrically conductive elements, is provided to connect a source of radio frequency electromagnetic energy to the first and second electrodes. A capacitive element is located in the instrument, and is connected in series between a first one of the pair of electrically conductive elements of the cable and the first electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.