FIELD: medicine.
SUBSTANCE: invention concerns medical equipment. Substance of the offered device consists that for irradiation of biological tissue, a fibre light guide is located within a sapphire capillary channel. Good optical transmission of sapphire in combination with its chemical inertness, high hardness, strength and thermal conductivity allows creating optically transparent irradiators-introducers with stabilisation of photothermal parametres of irradiation. Use of sapphire capillaries allows controlling distribution of laser light in tissue depending on the edge geometry and condition of internal and external capillary surfaces, improving regulation of light volume and extending the photodesctruction methods for treating the tumours.
EFFECT: small external diametre of capillaries, high p[purity of sapphire surface contacting the biological tissue provides their easy introduction and removal without accessory aids.
16 cl, 3 dwg
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