METHOD FOR SURGICAL TREATMENT OF ACHALASIA OF UPPER ESOPHAGEAL SPHINCTER Russian patent published in 2019 - IPC A61B17/00 

FIELD: medicine.

SUBSTANCE: invention refers to medicine, namely to endoscopic surgery. Surgical treatment is performed endoscopically. Access to the cricopharyngeal muscle is ensured by forming a submucosal tunnel in the left piriform sinus by a hydropreparation with vessel coagulation with continuous insufflation of CO₂. Incision is made with an endoscopic knife in the central part of a piriform sinus bottom. Distal portion of endoscope with dissection cap is directed into incision at angle of 5–10° relative to plane of anterior surface of piriform sinus, endoscope is moved until it stops in cricopharyngeal muscle. Cricopharyngeal myotomy is performed with capture of transverse and circular portions of cricopharyngeal muscle of upper third of esophagus with length of incisions from 1.5 to 3 cm and depth of 0.5 cm.

EFFECT: method enables providing higher effectiveness and reducing intraoperative injuries by minimally invasive intervention and high-precision myotomy at the required levels, which, in its turn, enables to completely eliminate pathological muscle hypertonia at the level of pharyngeal esophagus transition and restore normal passage of food.

1 cl, 6 dwg, 2 ex