<原著>前方直視型panendoscopeとしてのOlympus GIFtypeD3の使用経験とその評価

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The GIFtypeD3,a forward-viewing panendoscope, is a new product of Olympus. The GIFtype D3's distal end deflects more than 180 degrees and if combined with the lateral angulation, the maximum up bending gains approximately 200 degrees. Its bending is called as "up-twist". The GIFtypeD3's shaft is more flexible than that of the GIFtypeK. This flexibility is used more easily J retroflexion method in the stomach. But its shaft diameter is 13mm at distal end and 12.4mm at insertion tube. On account of the thick diameter of its shaft it is not sufficient to examine at the frontal view of the angulus. The thick tip of this scope makes more difficult passage into the esophagus. Then the screening panendoscopy is not suitable for the examination by the GIFtypeD3. The GIFtypeD3 is designed for electro-surgical application. To deal with electrical leakage, its insertion tube has no exposed metal on its surface and a feedback circuit is incorporated to ensure safely when appropriately connected. The electro-coagulation to bleeding points can be performed under the control of panendoscopy immediately after emergency endoscopy. The still endoscopic photographs of the GIFtypeD3 have very sharp and beautiful coloration. The GIFtypeD3 gives maximum magnification up to approximately 8 times at the point of contact. The magnifying endoscopic examination is done more easily at any portion of the upper GI tract by the GIFtypeD3. But for the detailed observation of the gastric mucosa, the magnification is necessary for 30 times at least.
近畿大学の論文
1979-03-25

<原著>前方直視型panendoscopeとしてのOlympus GIFtypeD3の使用経験とその評価

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