By BARRY MEIER and JANET ROBERTS of the New York Times Published: August 22, 2011 The federal government has received a surge in complaints in recent months about failed hip replacements, suggesting that serious problems persist with some types of artificial hips even as researchers scramble to evaluate the health dangers. An analysis of federal data by The New York Times indicates that the Food and Drug Administration has received more than 5,000 reports since January about several widely used devices known as metal-on-metal hips, more than the agency had received about those devices in the … [Read more...]