overtube

plural overtubes

1. medicineA protective tube used during endoscopy, typically during removal of a foreign body

   Depending on the nature and location of the foreign bodies, we used a wide diversity of endoscopic devices (retrieval basket, biopsy forceps, polypectomy snare, transparent distal protective hood, and overtube) to perform the procedures.

   2015 July 15, Chih-Chien Yao et al., “Endoscopic Management of Foreign Bodies in the Upper Gastrointestinal Tract of Adults”, in BioMed Research International, volume 2015, →DOI