WASHINGTON (AP) -- A replacement hip that conserves more of a patient's bone than traditional artificial hips do has received federal approval and should be available this summer..

WASHINGTON (AP) -- A replacement hip that conserves more of a patient's bone than traditional artificial hips do has received federal approval and should be available this summer..
The Birmingham Hip Resurfacing System uses a cap to replace only the head or ball atop the thigh bone, while adding a cup to replace the damaged surface of the hip socket, according to the Food and Drug Administration.
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