From 1958 to 1964, for seven years, we statisticaly observed 95 cases of foreign bodies of airway and food passage in the Department of Oto-Rhino-Laryngology Tottori University school of Medicine, and compared them to the previous data.
As a result of it, foreign bodies of airway and food passage mostly can be seen in children under 5 years old, and also more in male than female.
In the classification, a kind of pin is the most frequent air way foreign body and coin is the most frequent Oesophagus foreign body.
As to the location, air way foreignbody can be observed specially in the Bronchus and Oesophagus foreign body specially in the 1st narrowing of esiphaqus.
In the previous data fish bone hold the most of them, but an increase of coin is very moticeable in this data.
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