Electrosurgical system
US10631915B1 · kind B1 · utility
12Cited by
3References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 21, 2014 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Nov 8, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2218/002
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An RF electrode can have a straight shaft to generate an RF heat lesion that is asymmetric about the central axis of the cannula through which the RF electrode is introduced into bodily tissue. For example, system for tissue ablation including a cannula and an electrode, the cannula including an elongated shaft having a proximal end and a distal end, the cannula shaft including an electrically conductive active tip distal to an electrically insulated cannula shaft portion, the cannula shaft including a lumen extending from a proximal opening at the proximal end of the shaft to a distal portion of the shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.