CLINICAL EXPERIENCES WITH A NEW TYPE OF GASTROCAMERA FOR BIOPSY:GTF TYPE B₂ (OLYMPUS)

Abstract

Generally a gastrocamera is better than a f iberscope in tesms of quality of photographs because the former hous-es a small camera in the distal portion (lens-prism system) and the camera of the latter is mounted at the proximal end (fiber optic system). With a new gastrocamera, G T F type B₂, 105 cases were examined clinical results of which were evaluated. This gastrocamera has several merits as follow : 1. single-lens reflex system 2. lens cleaning device 3. shortness of hard distal portion 4. thick and tough biopsy forceps Observation and recording were improved because the lens cleaning device warranted always a sharp image and photographs, because a single-lens reflex system dissolved parallax and because shortness of hard distal portion all-owed examiners to approach lesions. All the phtographs of 105 cases were satisfactory, even after biopsy or/and dye spraying. Moreover, biopsy specimens easily taken with tough forceps under a clear close-up image. This new gastrocamera made it possible that good pho-tographs of every part of gastric mucosa were taken under any conditions and at the same time, whenever necessary, biopsy was carried out.