Medical device dangers: FDA facing criticism over missed signs

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Americans undergo hundreds of thousands of surgeries involving medical devices every year – but does the system that regulates the devices put patients at risk? An NBC News investigation, in conjunction with the International Consortium of Investigative Journalists, takes a closer look at one type of hip implant that caused a world of pain for patients, including former Olympic gymnast Mary Lou Retton. NBC’s Stephanie Gosk reports for TODAY.