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  • 1
    Electronic Resource
    Electronic Resource
    Holmium: YAG laser surgery in obliterated cochleas: an experimental study in human cadaver temporal bones (1994)
    Springer
    European archives of oto-rhino-laryngology and head & neck 251 (1994), S. 165-169 
    Details
    ISSN: 1434-4726
    Keywords: Cochlea ; Middle ear surgery ; Cochlear implant ; Photo-ablation ; Holmium: YAG laser
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A pulsed holmium: YAG laser (λ = 2120 nm) was used to reopen the basal turn of artificially obliterated human cochleas in freshly dissected cadavers. This allowed intracochlear insertion of the stimulation electrode of a cochlear implant under simulated surgical conditions. Laser energy was transmitted through a 400-μm nylon fiber via the opened facial recess directly to the round window niche. At an energy level of 500 mJ per 2.5 μs pulse, a repetition rate of 2 Hz, and an exposure time of 20–30 s, the photo-ablative mechanism of laser-bone interaction led to a 8–10 mm recanalization of the basal turn of the cochlea without damaging surrounding structures. The artificial bony occlusion and the recanalized basal turn of the cochlea were visualized by means of computed tomography and studied under light microscopy, using a histologic thin-section technique.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00181829
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Infrared laser stapedotomy (1991)
    Springer
    European archives of oto-rhino-laryngology and head & neck 248 (1991), S. 449-451 
    Details
    ISSN: 1434-4726
    Keywords: Infrared laser ; Holmium: YAG laser ; Photoablation ; Middle ear surgery ; Stapedotomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A pulsed holmium: YAG laser (λ = 1980 nm) was used to perform 0.4 mm stapedotomy fenestrations in human stapes footplates from freshly dissected cadavers under simulated surgical conditions. The energy was coupled into (λ 400 μm core diameter nylon fiber. Thermal gradients were then measured following laser applications and tissue responses examined by light microscopy. The results of this study suggest the feasibility of using (λ surgical holmium: YAG laser in middle ear surgery.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00627632
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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