Radiofrequency guidewire with controlled plasma generation and methods of use thereof
US11717334B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2016 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Apr 5, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/141
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A radiofrequency guidewire includes a core wire configured to be coupled to a radiofrequency generator. The core wire includes a proximal end and a distal end with respect to the radiofrequency generator. A tip structure is coupled to the core wire proximate the distal end. The tip structure includes one or more edge surfaces. The one or more edge surfaces provide an area of reduced curvature radius on the tip structure. The area of reduced curvature radius generates a higher electric field than other areas of the tip structure during a delivery of radiofrequency energy on the tip structure. A method of ablating an occlusion utilizing the radiofrequency guidewire is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.