Catheter probe for treating focal atrial fibrillation in pulmonary veins
US6217576A · kind A · utility
496Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1999 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Apr 1, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/1417
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved catheter system and methods for ablating cardiac tissues via a steerable ablation catheter having a liquid-permeable shaft, a liquid-permeable electrode, or a distal opening at its tip section with fluid infusion and irrigation for ablating intracardiac tissues by applying radiofrequency energy along with irrigated fluid in a pulmonary vein resulting in a controlled lesion for treating focal atrial fibrillation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.