nasal endoscope
Medical term for an endoscope inserted through the nose, commonly used in transnasal endoscopy procedures.
A nasal endoscope is inserted through the nose, so it places less burden on the patient.
General term for endoscope; 経鼻内視鏡 specifically refers to the transnasal type.
Oral endoscope inserted through the mouth, in contrast to the nasal approach.
Compound of 経鼻 (transnasal) and 内視鏡 (endoscope). The exact historical derivation is uncertain; the term is a modern medical coinage.