FIELD: medicine.
SUBSTANCE: surgical management of a chronic anal fissure is preceded by measuring a distance from a proximal end of the fissure to a pectinate line. A.4082 SAPI MED SPA disposable cone retractor is inserted into a patient's anus 40 mm deeper than the proximal end of the fissure. A divulsion is performed in accordance with the following criteria: length of the disease (T), anal pressure (P). The exposure time (t) of the anal sphincter divulsion is set correct to 0.5 min depending on the derived values P and T. The fissure is excised. That is followed by V-Y repair of the anal canal.
EFFECT: method enables more effective surgical management of a chronic anal fissure by the individually specified depth of preoperative location of a retractor and the length of divulsion.
9 ex
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