This video demonstrate This operation is also known as stapled anopexy. A specially designed circular stapling instrument is inserted through the anus (back passage) into the rectum. . The operation pulls the swollen and prolapsing blood vessels of the hemorrhoids (piles) back into their normal position by removing a circumferential section (complete ring) of the internal rectal lining. The wound is inside the rectum causing little pain. Patients usually underwent a one-day surgical procedure, with a preoperative self-administered rectal enema on the evening before and the morning of the operation; no antibiotic prophylaxis was given.