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Surgical instruments can vary widely by the field of surgery that they are used in. an anal fissure is a tear of the squamous epithelium that usually extends from the dentate line to the anal verge. In 90 of cases, the fissure manifests as a painful linear ulcer lying in the posterior midline of the anal canal. Abdominoperineal (rectal) resection this surgery is performed to treat anal and distal rectal cancer. The anus, rectum and part of the sigmoid colon are removed to include the attending vessels and lymph nodes. The laparoscope is a lighted tubular instrument used to examine abdominal organs when passed through a small abdominal incision. relevant anatomy hemorrhoidal cushions are anal cushions of tissue composed of blood vessels, smooth muscle, and connective tissue. These cushions are located in the upper anal canal at 3 different sites left lateral, right anterolateral, and right posterolateral quadrant. Anal catheters are medical instruments that involve a tube inserted into a patients rectum for a number of reasons, including to insert fluids or gather fecal matter for testing, according to forbes. Unit 202 kingspark business centre, 152-178 kingston road, new malden, surrey kt3 3st, england 44 (0) 208 123 3513 email protected. Anal abscesses are treated by incising and draining the infected area. Surgery entails finding the ends of the injured sphincter muscles and rejoining them. That allows for the examination and evaluation of the anal canal using an anoscope with a high resolution magnifying instrument called a colposcope. Shop fürst for general instrument patterns and basic instruments. Warranty we are committed to providing the highest quality surgical instruments free of functional defects in workmanship and materials. We will repair or replace any surgical instrument that does not meet these requirements when used for their intended surgical purposeat no. Find biopsy surgical instruments including cannulas, forceps, needles, and punches at millennium surgical.