Fibre bundle scanner for laser photocoagulation treatment |
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| Authors: | H Fujii T Asakura T Matsumoto T Ohura M Saikawa |
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| Institution: | 1. HF and TA are at the Research Institute of Applied Electricity, Hokkaido University, Sapporo, Hokkaido 060, Japan;2. TM, TO and MS are at the Department of Plastic Surgery, School of Medicine, Hokkaido University, Japan |
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| Abstract: | Wide-angle irradiation is achieved in laser photocoagulation treatment by means of a fibre bundle. The laser transmission system consists of multiple quartz fibres, the input ends of which are aligned and driven by a stepper motor across a high-power laser beam. The output ends are arranged in a hexagonal close-packed array from which the diverging laser beam successively irradiates different parts of a lesion without the use of a mechanical scan over the lesion. This fibre bundle scanner is useful for the treatment of widely spread skin lesions such as port wine stains. |
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| Keywords: | optical scanners fibre optics cautery equipment |
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