Clinical Research Directory

Inclusion Criteria: 1. The subjects voluntarily signed the informed consent form for this trial; 2. Patients diagnosed with benign duodenal stricture; 3. Symptoms of upper gastrointestinal obstruction, such as nausea, vomiting, abdominal pain, or changes in bowel habits, occurring before admission or during hospitalization; 4. Patients with refractory strictures who have failed multiple balloon dilations; 5. Age \< 75 years. Exclusion Criteria: 1. Gastrointestinal perforation; 2. Distal small bowel obstruction or multiple segments of small bowel obstruction; 3. Coagulation disorders; 4. Strictures or obstructions caused by malignant tumors; 5. Severe comorbidities involving the heart, brain, lungs, kidneys, etc.