INSTALLATION FOR TREATMENT OF SKIN TUMOURS WHILE PERFORMING PHOTODYNAMIC THERAPY SESSIONS Russian patent published in 2010 - IPC A61N5/67 

FIELD: medicine.

SUBSTANCE: installation contains controlling light dose source of laser radiation, whose light conductor is fastened on support, and device for protection of healthy skin from laser irradiation, fastened with possibility of fixation in definite position, via transitional device, on frontal holder. Device for protection made in form of three parallel flat discs, having general central axis, external discs being rigidly connected to each other on perimetre with formation of blind cavity and with transitional device. Internal disc has smaller than external discs diametre, is fastened on general central axis with possibility of rotation and is divided into equal sectors, in each of which through opening of definite diametre is made. In each of external discs coaxially one above another there is opening in form of sector, whose central angle equals central angle of internal disc sector.

EFFECT: increasing efficiency of treatment of any parts of head and neck due to reliable fixation of device for protection of healthy skin from irradiation above tumour.

4 dwg, 1 ex