An ancient Egyptian mummy attributed to the priest Usermontu has been found to have implanted with a sophisticated nine-inch knee-screw, to help fuse his left knee joint. The medical implant was discovered on x-rays taken by a research team at Brigham Young University. Professor of Ancient Studies, C. Wilfred Griggs, initially assumed the device was simply added to the mummy in modern times, to help hold the body together. "I assumed at the time that the pin was modern. I thought we might be able to determine how the pin had been inserted into the leg, and perhaps even guess how recently it had been implanted into the bones. I just thought it would be an interesting footnote to say, 'Somebody got an ancient mummy and put a modern pin in it to hold the leg together.'"
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