MOUTHPIECE FOR ENDOSCOPIC EXAMINATION AND DE-AERATION PREVENTION VALVE DEVICE

摘要

Provided is a mouthpiece for endoscopic examinations, comprising: a mouthpiece main body having an insertion hole through which an endoscope is freely inserted and removed; and a de-aeration prevention valve device that provides an airtight seal between the endoscope inserted into the insertion hole and the mouthpiece main body.