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3D printing offers twist on conventional knee replacements
3D printing offers twist on conventional knee replacements

Three months ago, Cindy Colvin could barely walk. Shopping sprees to feed her "first addiction, retail" were out of the question, as were the essentials — getting groceries, tending to household chores and making it into work. "I didn't know how to walk anymore," said Colvin, 55. "I wasn't walking like a normal person. Just to take a step, every single step, was agony." With knees so swollen she "couldn't remember normal" and a constant throbbing throughout both legs, the Avondale, Pa., resident drove an hour and a half to Baltimore to see OrthoMaryland's Dr. Barry Waldman, who promised a new life made possible by 3D...

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