What is an anoscope? Anoscopes are common tools used for anorectal examinations and are available as traditional anoscopes or electronic anoscopes. Traditional anoscopes are made of disposable plastic, and repeatedly used stainless steel anoscopes. The electronic anoscope is a high-tech product that uses the complete combination of international advanced medical video and camera technology to integrate inspection and treatment. The method of anoscopy The mirror is held in the right hand, the thumb is held against the core, and the tip of the anoscope is coated with lubricant. With the left hand, separate the buttock groove and use the anal lens to gently press the anus for a moment before slowly pushing it in. Push the anoscope in the direction of the umbilicus first, then change to the sacral recess after passing through the anal canal, and pull out the core after pushing the anoscope all the way in. Pay attention to the presence of blood on the core after pulling it out. Adjust the light and withdraw slowly from deep to shallow, observing while retreating, noting the color of the mucosa and the presence of ulcers, bleeding, polyps, tumors and foreign bodies. Pay attention to the presence of internal hemorrhoids, anal fistula, anal papilla and anal fossa inflammation at the dentate line. ① Wear gloves or finger gloves with lubricating fluid on the right hand and perform perianal finger palpation first to check whether there are masses, pressure pain, warts and external hemorrhoids around the ship; ② Test the tightness of the anal sphincter, when normal, only one finger can be stretched and feel the contraction of the anal ring, and the anal rectal ring can be touched at the back of the anal canal; ③ Check the rectal wall of the anal canal for tenderness, fluctuation, masses and stenosis, and determine the size, shape, location, hardness and stenosis when touching the masses. size, shape, location, hardness and mobility; ④ the anterior rectal wall is 4-5 cm from the anal verge, the prostate can be palpated in men and the cervix in women, do not mistake it for a pathological mass; ⑤ upon request, make a double colectomy examination if necessary; ⑥ after withdrawing the finger, observe the finger sleeve for blood or mucus.