Photonic device and method for treating cervical dysplasia
US8292935B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2007 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | May 25, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/0654
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and device used for treating body cells affected by abnormal cell growth or by oncogenic viruses. In particular the invention relates to photonic device for treating gynecological problems comprising at least one light source incorporated into the irradiation head or into the hand piece or as a external unit connected by light guide. The light source used in the photonic device has a LED, Laser or lamps. This photonic device is used for treating a subject having unwanted cell proliferation, example dysplasia of the portio and/or cervix with Photodynamic therapy (PDT). The advantage of using LED device is, for its radiation safety, cost effectiveness and is easy to handle compared to laser system. A drug applicator is also described which is employed for homogenously application of photoactive drug in the affected area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.