ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Artificial urinary sphincter. Coloured X-ray of the pelvis of a 55 year old female patient showing a prosthetic urinary sphincter (AUS, beige at centre). The AUS acts as a valve to control the amount of urine leaving the bladder and is used to treat incontinence. The pink sphere is a pressure regulating balloon; at lower centre is the manual trigger (pump) that opens and closes the sphincter.
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