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Carbon dioxide gas is infused through one of the trochars into the patient's abdomen. This pushes the anterior abdominal wall upward, and makes room for the surgeon to work. A camera, inserted through one trochar, is linked to a video monitor. This allows the surgeon to view the abdominal contents.
Review Date 7/9/2025
Updated by: John Meilahn, MD, General Surgeon, Wyndmoor, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.