FIELD: medical engineering. SUBSTANCE: light diffuser designed for simultaneous photodynamic therapy and hyperthermia in patient's esophagus is composed of optical fibers to inject laser beams into esophagus by virtue of system having tube filled by silicon material. Particles of this silicon material are grains each of which has diameter exceeding light wave-length. EFFECT: positive diffusion of laser beams. 11 cl, 1 dwg
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| 0 |
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