This is a pilot study for a new endoscopic treatment of achalasia. Up to 25 patients will be recruited for this trial, with the intent to treat or attempt to treat 20 patients. Patients for whom a POEM has been attempted but not completed (conversion to open or laparoscopic surgery, POEM surgery aborted and not re-attempted). Patients who proceed to study treatment will undergo ten years of follow-up as part of this study.
