Temperature measurement of electrically conductive fluids
US10993765B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 29, 2016 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Sep 17, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2218/007
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method is disclosed including immersing electrodes disposed on a distal end of an electrosurgical wand, the immersing in a cavity defined within walls of a first material, the cavity comprising a conductive fluid different than the first material, and the electrodes comprising a first electrode and a second electrode. The method further includes applying a voltage across the first electrode and the second electrode, the first and second electrode spaced apart on the distal end of the wand such that the conductive fluid resides between the first and second electrodes. The method further includes measuring an impedance of the conductive fluid between the first and second electrodes; and determining temperature of the conductive fluid based on the measured impedance. The method further includes forming plasma proximate to an active electrode distinct from the first and second electrode, the plasma created based on voltage applied to the active electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.