| 摘要 |
<p>Container for the simultaneous administration of barium sulphate suspension and air in the double contrast X-ray examination of the upper digestive tract, comprising a glass-shaped container (1) and an airtight cover (2), to the internal side of which a substantially cylindrical air chamber (3) is connected; the cover (2) is provided with a mouth-piece (7) having elliptical cross section, and divided into two parallel ducts: the first one (9), on the part that comes into contact with the lower lip of the patient, for the barium suspension flow, and the second one (6) for the air flow.</p> |
