无论经鼻或是口的蝶窦入路 ,切除垂体腺瘤或作鞍区其他手术 ,必须用鼻扩张器 ,进口Ｈａｒｄｙ扩张器适用于经口蝶入路手术 ,因外国人的鼻梁高 ,鼻孔大 ,而国人的鼻小柱短 ,鼻孔小。因此 ,设计制作适合国人的鼻扩张器 ,十分必要。我们于 1990年设计制作成并应用于临床。1.制作依 Whether nasal or sphenoid sinus approach, removal of pituitary adenomas or other operations for sellar area, nasal dilators must be used. Imported Hardy dilators are suitable for transoral butterfly surgery because foreigners have high nose bridges and nostrils. Big, and the people’s nose is short and the nostrils are small. Therefore, it is necessary to design and manufacture nasal dilators suitable for the Chinese people. We designed and made it into clinical use in 1990. 1. According to production