Patent ID: 7201767
Filing Date: 2007-04-10
Classification: A61B,A61C,A61N

Abstract:
1. A device for ultraviolet radiation treatment of body tissue, comprising: a ultraviolet (UV) light source having a housing, a UV light assembly disposed within the housing capable of emitting ultraviolet light, and a first fiber optic cable extending from the housing, said UV light assembly including a UV light bulb and a threaded reflector disposed behind the UV light bulb, the reflector being elliptical in shape for capturing UV light generated by the UV light bulb and adjustable for focusing the UV light into the first fiber optic cable; said UV light source further including a ballast transformer for regulating voltage to the UV light assembly and a thermostatically controlled fan and temperature sensor for cooling the UV light assembly in order to maintain emitted UV light at a calibrated wavelength; a visible light source having a second fiber optic cable extending therefrom; a viewing mechanism having an optical lens assembly and a third fiber optic cable extending from the optical lens assembly; a trifurcation joint connected to the first, second, and third fiber optic cables to form a bundle of fiber optic cables at the trifurcation joint; and a flexible shaft having a first end extending from the trifurcation joint and a second end defining a distal tip having a plano-polished surface, the bundle of fiber optic cables extending through the shaft and terminating at the distal tip; whereby the flexible shaft is adapted for endoscopic insertion into a human body, the distal tip being directed to a target tissue area by the visible light source and viewing mechanism, the target area being irradiated by the ultraviolet light source.