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儿童支气管异物的取出常需在全麻下采用硬管通气支气管镜(VBS),成人偶可用纤支镜(可曲型),幼儿因管腔细只能用硬管VBS。用小口径VBS有镜野太小,且在取异物时器械遮住视野致术者只能凭灵敏的触觉盲目探取的缺点。为此,作者们乃设计了新式小放大镜来配备常用的VBS,藉此即使钳夹时也能清楚地看到放大的异物。新器械分硬、软两型,均有导光束。硬镜的前/斜视角为52°,景深从2mm到无限大,外径1.6mm,全长405mm,工作长度296mm。软镜的前视角为55°,景深3~30mm,外径1.8mm,全长500mm,工作长度375mm。两种放大镜都
Child bronchial foreign body often need to be removed under general anesthesia with bronchial tube bronchoscopy (VBS), adult even with bronchoscopy (curved type), children with thin tube can only use rigid tube VBS. With a small aperture VBS mirror field is too small, and in taking foreign objects when the device cover the visual field caused by blindness can only be sensitive to touch the shortcomings. To this end, the authors have designed a new small magnifying glass with a common VBS to clearly see the enlarged foreign objects even when the jaws are clamped. New equipment points hard, soft two types, all have light guide beam. Hard mirror front / oblique viewing angle of 52 °, depth of field from 2mm to infinity, diameter 1.6mm, length 405mm, working length 296mm. Soft mirror front view angle of 55 °, depth of field 3 ~ 30mm, diameter 1.8mm, length 500mm, working length 375mm. Both magnifiers are