Light source
Patent 5843143 Issued on December 1, 1998. Estimated Expiration Date: 
December 1, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 1, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesRadiation apparatus Method and apparatus for promoting healing Light therapy system Apparatus for the treatment of skin wounds Apparatus for the photodynamic therapy treatment Method and apparatus for therapeutic electromagnetic treatment Patent #: 5405368 InventorAssigneeApplicationNo. 256059 filed on 08/24/1994US Classes:607/88, Light application250/504R, Ultraviolet or infrared source607/90Lamp and casingExaminersPrimary: Nasser, Robert L.Attorney, Agent or FirmForeign Patent References
International ClassA61N 005/00Foreign Application Priority Data1992-10-23 GBAbstractAn apparatus for biological treatment comprises a body, a light source inside the body, a concave mirror mounted in an axial guide on a side of the body, an optical filter on the opposite side in an opening, a fan between the source and the concave mirror, two reflector cylinders positioned symmetrically between the source and the optical filter and rotating in opposite directions, and a rotary shalter disc at the same location as the optical filter and with orifices positioned coaxially with respect to the optical filter creating the effect of a light flux made up of the rays reflected by the mirror and the fan blades after the latter have received them from the source and the reflector cylinders. The apparatus is used for various biological treatment such as the treatment of viral diseases, rheumatic states, and the like.Other References
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