DEVICE FOR DIAGNOSING DEFECTS OF ESOPHAGUS

摘要

A device for diagnosing the defects of the esophagus contains the unit for the primary diagnosis comprising the hollow resilient tube with radio-opaque scale and the terminal opening, and the thin-wall balloon put onto the hollow resilient tube, the unit for the precise diagnosis comprising the set of the changeable tubes each containing two inflatable occlusion balloon with varying distance between the balloons and the air-duct supplying the balloons with the air. The device contains the additional openings on the surface of the tube of the unit for the primary diagnosis.