1. An irradiation device for insertion into a hole in the body for performing photodynamic therapy or diagnostics, comprising a housing configured to be inserted into said hole and held in that hole, the housing accommodating an LED lighting system and a power source for supplying power to said LED lighting system and has a processing surface, while the LED system is configured to emit radiation from the processing surface, and the device installed in the hole о works autonomously, characterized in that the housing contains a flexible outer part, the shape of which during use can be changed to ensure a reliable fit to the walls of the hole, while the outer part moves away from the processing surface in the direction of the rear of the device and expands so that the widest section the outer part is located on the reverse side of the machining surface, whereby the housing is configured to fully insert into the aforementioned hole and hold in that hole. 2. The device according to claim 1, wherein the flexible outer part is made of an elastic material, preferably silicone. The device according to claim 1, in which the entire housing is flexible. The device according to claim 1, wherein the processing surface is made at least partially transparent to the emitted light with wavelengths used by said LED lighting system. A device according to any one of claims 1 to 4, in which the size and / or shape of the processing surface ensure that said hole is adjacent to the processing zone, so that the process is used1. Устройство облучения для введения в отверстие в теле для выполнения фотодинамической терапии или диагностики, содержащеекорпус, выполненный с возможностью введения в упомянутое отверстие и удержания в этом отверстии, при этом корпус вмещает светодиодную систему освещения и источник питания для подачи питания к указанной светодиодной системе освещения и имеет обрабатывающую поверхность, при этом светодиодная система сконфигурирована для испускания излучения от обраба
