Method of simultaneously freezing and heating tissue for ablation
US8287526B2 · kind B2 · utility
10Cited by
113References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 22, 2011 |
| Grant date | Oct 16, 2012 |
| Priority date | — |
| Expiry date | Nov 22, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/0268
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A catheter includes a cryoablation tip with an electrically-driven ablation assembly for heating tissue. The cryoablation tip may be implemented with a cooling chamber through which a controllably injected coolant circulates to lower the tip temperature, and having an RF electrode at its distal end. The RF electrode may be operated to warm cryogenically-cooled tissue, or the coolant may be controlled to conductively cool the tissue in coordination with an RF treatment regimen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.