Patent ID: 6890346

Claim:
An therapeutic apparatus for killing or debilitating pathogenic microorganisms in the treatment of an infectious ailment within a body cavity of a patient, said apparatus comprising, an instrument body having an elongated shaft for insertion into a body cavity of a patient, a light radiation source connected to the shaft for destroying or debilitating microorganisms within the body of the patient, a viewing port connected to the shaft for enabling an operator to see inside the body of the patient where the light radiation is applied, said light radiation source comprising a light source for exposing an interior wall of the body cavity to light radiation comprising a) rays of light radiation adapted to be directed onto the wall of the body cavity b) said rays of light being devoid of ultraviolet light in an amount sufficient to damage or destroy body tissue of the patient. c) said rays comprising light having a wavelength between about 400-470 nm such that d) the light rays will kill or debilitate pathogenic microorganisms supported on or within the epithelium lining the body cavity that is being treated, e) without said light rays causing damage, destruction or ablation of the wall of the body cavity.