FIELD: medical engineering. SUBSTANCE: device has flexible tube 1 with proximal obturator 2 and distal obturator 3 made as a whole. Proximal obturator 2 is made as a uniform disk and distal obturator 3 has separated petals 4 sequentially increasing in length making up a daisy configuration. EFFECT: prevented traumatic injuries of stomach wall. 2 cl, 2 dwg
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Authors
Dates
1995-05-27—Published
1991-10-29—Filed