作者: Shunichi Imai
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摘要: A distal-end rigid section of an insertion endoscope, includes: a first base metallic material, which constitutes portion the endoscope; second resin is formed on axially proximal-end side base; cylindrical protruding from toward and including non-circular hole in illumination light source having outer shape, generating emitting disposed; through-hole by opening part along peripheral surface base, being disposed such that emitted to base.