FIELD: medical engineering.
SUBSTANCE: device has tube and metal ball. The ball is connected to the tube by means of thread. The ball is 1.5 cm far from the tube. The tube is manufactured from polyvinyl chloride. Its wall is 1 mm thick and 1500-1600 mm long. Two marks are available on the probe one showing distance to antral stomach section and distance to greater duodenal papilla.
EFFECT: accelerated examination method; controlled probe working end.
2 cl, 1 dwg, 1 tbl
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