DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
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Key hole surgery. Close-up of a small trochar (hollow tube-like needle, centre) inserted in the abdomen of a patient. A hose (seen in background) is connected to the trochar. This will be used to fill the patient's abdomen with gas prior to insertion of laparoscopy (key hole) surgery equipment. Laparoscopy is a type of minimally invasive surgery that can be conducted through very small incisions unlike conventional surgical procedures. Filling the abdomen with gas expands the area, providing more space to manoeuvre equipment during surgery, and making it easier for the surgeon to see what they are doing.
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