CRYOGENIC DEVICE FOR THE TREATMENT OF FISTULA IN FRONT OF EAR

The utility model belongs to a medical appliance is a cryogenic device, comprising a metal pipe used as a cryogenic head; the metal pipe is divided into two parts of 1 and 2 from the middle, the connection of one end of the part 1 and one end of the part 2 is sealed, and the other end of the part 1 and the other end of the part 2 are respectively opened. An opening A is connected with a hose 3 connected with an aspirator, and the opening B is connected with the hose 5 connected with a liquid nitrogen container. The healing rate of seventy four patients with the infection of the fistula in front of ears under the clinical application of the utility model is 89.2%, and the convenience is introduced to the curative treatment of the chronic rhinitis and the epistaxis. The utility model has the advantages that a good and no-operative treating medical instrument is introduced to a child, the patient without the healing to the longtime infection of the fistula in front of the ears and the patients who are unwilling to accept the surgical resection.