Coated electrosurgical vessel sealer electrodes
US11696798B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2018 |
| Grant date | Jul 11, 2023 |
| Priority date | — |
| Expiry date | Dec 30, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D5/08
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A vessel sealing device having a pair of electrodes that are maintained in spaced apart configuration when closed by non-uniform coating formed from a non-conductive material that has been applied to roughened electrodes so that the coating allows for the passage of a predetermined amount of radiofrequency (RF) energy between the electrodes. The coating has a predetermined thickness that spaces the electrodes apart while also having the predetermined non-uniformity that allows RF energy to pass between the electrodes when a vessel is trapped therein, thus desiccating the vessel positioned in the jaws. The electrodes may include a series of grooves in a herringbone pattern, with each electrode having the pattern oriented in the same direction or in opposite directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.