Photoablation with infrared radiation
US6579285B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 7, 2001 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Aug 7, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/2288
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Infrared surgical photoablation instruments are disclosed for creating lesions in tissue, including cardiac tissue for treatment of arrhythmias and other diseases. The hand held instruments are especially useful in open chest or port access cardiac surgery for rapid and efficient creation of curvilinear lesions to serve as conduction blocks. Photoablative instruments are disclosed that emit radiation at a wavelength in a range from about 800 nm to about 1000 nm, and preferably emit at a wavelength in a range of about 915 nm to about 980 nm. Radiation at a wavelength of 915 nm or 980 nm is commonly preferred, in some applications, because of the optimal absorption of infrared radiation by cardiac tissue at these wavelengths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.