These Medical Devices Are Inserted Into 500,000 Patients Each Year — but Are Tough to Sterilize

In hospitals around the world, the snakelike duodenoscope is regarded as an indispensable tool for diagnosing and treating diseases of the pancreas and bile ducts. But these fiber-optic devices have a remarkable drawback: Although they are inserted into the upper part of the small intestine through the mouth and constantly reused, they cannot be sterilized…