Abstract: Objective To evaluate the efficacy, complications, success rate, and recurrence rate at 3 months for the CRH-O’Regan Disposable Hemorrhoid Banding System in the treatment of rubber band ligation （RBL）in outpatients. Methods 289 internal hemorrhoid grading included from grade I to IV outpatients were treated by RBL with CRH. Completion rate for surgery, intraoperative and postoperative complications and postoperative outcomes were statistically analyzed. Result All patients successfully completed the RBL with CRH, 245 cases (84.8%) were cured, 36 cases (12.4%) improvement in symptoms, 8 cases’ (2.8%)effects were not obvious, no patients’ symptoms had increased ; 2 cases (0.7%) had severe pain discomfort, 5 cases (1.7%) had postoperative dizziness; no acute complications, infection and urinary retention .Conclusion The RBL treatment of internal hemorrhoids with CRH has a good efficacy and safety.

Key words: Internal hemorrhoids, Treatment, RBL, Minimally invasive, CRH