DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Insulin pump cannula. Close-up of a cannula used to insert an insulin pump for treatment of a 78-year-old male patient with type 1 diabetes. A cannula is a thin flexible tube inserted intravenously in order to administer drugs and fluids directly into the blood vessel. An insulin pump is used to administer insulin.
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