甲状舌管瘘,鳃裂瘘均为先天性发育畸形,常常需要手术治疗。由于瘘管本身及所在部位的特点,手术不当,每易复发,以往多采用术前瘘管内注入美兰,或插入探针等方法,以求识别瘘管,达到彻底摘除的目的。但这些方法仍有一定的缺点。如注入美兰,术中一旦美兰溢出,往往影响术野;当瘘管细而弯曲时,探针不仅不易完全插入,而且容易穿破瘘管壁,使得 Ventricular fistula, branchial fissure are congenital deformity, often require surgery. Due to the characteristics of the fistula itself and the site, improper operation, each recurrence, in the past the use of preoperative fistula injection of Meilan, or insert the probe and other methods in order to identify the fistula to achieve the purpose of complete removal. However, these methods still have some disadvantages. Such as the influx of Meilan, intraoperative once Meilan overflow, often affect the surgical field; when the fistula thin and curved, the probe is not only not easy to completely insert, and easy to puncture the fistula wall, making