DePuy Hip Deformity Rate Was Alarming, Expert Tells Jury

By Ciaran McEvoy (February 6, 2013, 3:30 PM EST) -- Johnson & Johnson subsidiary DePuy Inc.'s ASR XL hip implants deformed up to 10 times more than recommended by the hip replacement industry, a biomedical engineering expert told a jury Wednesday in a trial accusing DePuy of selling replacement hips with excessive failure rates.

Dr. J. Dennis Bobyn, a professor of biomedical engineering and surgery at McGill University in Montreal, told a Los Angeles jury that such a high rate of deformity among DePuy's metal hip implants should have raised a "red flag" at the company. Testing showed the issue in 2003, before the implants were sold on the market, Bobyn...

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