System and method for visualizing tissue during ablation procedures
US8900219B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2009 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Jan 21, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2576/023
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Systems for visualizing cardiac tissue during an ablation procedure are provided. In general, the systems include an imaging module configured to measure absorbance data at first and second wavelengths wherein the ratio of these absorbance values identifies the nature of the tissue (e.g., lesion, de novo tissue, etc.). The imaging module can also include a video system having at least two chips with corresponding bandpass filters centered at the first and second target wavelengths. The system can also include a processor and/or video monitor for combining the images produced by the various chips, determining treated and non-treated tissue based on the ratio of absorbance values at the target wavelengths, and displaying images of the treatment area. Methods of visualizing cardiac treatment areas during ablation procedures are also provided herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.