New promising medical applications of IR lasers can be much wider with flexible cables and catheters for laser power delivery. Special super-dry silica fiber allow catheters to be designed for promising Ho and Tm lasers at wavelengths about 2 $mu@m. But for longer wavelengths of Er:, CO- and CO$-2$/- lasers, other fibers should be used - polycrystalline silver halide fibers, singlecrystalline sapphire fibers, and hollow metal waveguides. Optical parameters of such fibers are under discussion alongside a design of special optical connectors, efficient coupling units, and optics at distal end. Applications of cables and catheters for laser therapy and medical diagnostics are analyzed.
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机译：IR激光器的新有前途的医疗应用可以较宽较宽，灵活的电缆和导管，用于激光动力输送。特殊的超干式二氧化硅纤维允许导管设计用于在波长约2 $ MU @ M的波长下承诺HO和TM激光器。但对于ER的较长波长：，CO-and CO $ -2 $ / - 激光，其他纤维应该使用 - 多晶卤化银纤维，单晶三峰纤维和中空金属波导。这种纤维的光学参数伴随着特殊光学连接器，高效耦合单元和远端光学器件的设计。分析了电缆和导管用于激光治疗和医疗诊断的应用。
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