• Extraction of hard, spherical foreign bodies from the esophagus has been accomplished with the use of a Dormia basket in combination with esophagoscopy. The Dormia basket was originally designed for the extraction of stones from the urinary tract.
Schiratzki H. Removal of Foreign Bodies in the Esophagus: An Old Device—A New Procedure. Arch Otolaryngol. 1976;102(4):238–240. doi:10.1001/archotol.1976.00780090080013
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