Device for photodynamic therapy

Abstract

One method of treatment of tumour, infectious and certain skin diseases is PDT. It is based on the use of photosensitizers, that selectively accumulate in cancerous tissues and has a toxic effect on tumor cells when exposed to light of a certain wavelength. During PDT damaged cancer and no damage to healthy tissue. Upon irradiation through the skin therapeutic effect is achieved in the surface tissue to a depth of up to 3 ... 4 cm. For the treatment of cancers of internal organs, PDT light supplied to the tumor by endoscopy or puncture.