Nasal endoscope

Nasal endoscope is a rigid endoscope with a cold light source with sufficient light. Through mirror magnification, the anatomy from the front to the back can be clearly observed. Nasal surgery has changed from blind empirical operation to the protection of normal structure and physiological functions. Surgery. At present, three types of endoscopes commonly used clinically are 0 °, 30 °, and 70 °, with a diameter of 4.0mm and a length of 180mm. This endoscope has a large field of view and good brightness. Children can use 2.7mm diameter endoscope. A cold light source and a light source lead should also be provided. In order to do some simple operations, the following instruments should also be prepared: 0 ° and 45 ° ethmoid sinus forceps, straight suction tubes, curved suction tubes, maxillary sinus cannula puncture needles, maxillary sinus biopsy forceps, sphenoid sinus rongeur, etc. If there is a video recording system, it is helpful for operation, teaching and data storage, and nose hair should be cut before inspection.