Dr. Farshid Guilak is an orthopedic surgeon at Shriner's Children's St. Louis hospital, and he's been named to the National Academy of Medicine and the National Academy of Engineering.
He's also been named to the National Academy of Inventors, KSDK reports.
But it's his work in "regenerative medicine," or cell engineering, that's getting the most attention.
It involves using a patient's own stem cells to create cartilage for damaged joints.
"We don't want children getting joint replacements, which unfortunately happens quite a bit now," says Guilak.
"What we're hoping to do is replace the worn out cartilage in the joint and not have to completely cut off the bone and the rest of the joint, but then keep the joint going for another ten or 15 years when the patient's old enough to actually get a joint replacement."
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