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In many ways, the rise and fall of metal-on-metal hips have been like an uncontrolled experiment. Manufacturers performed minimal testing on the devices prior to releasing them into the marketplace. As metal-on-metal hips began to fail in patients, manufacturers took measures to delay – or avoid altogether – any acknowledgment that there was a…

Hip joints deteriorate for various reasons, including, osteoarthritis and avascular necrosis. When this happens, hip replacement devices are one option for patients who still want to lead an active lifestyle. How Does a Hip Replacement Work? The human hip consists of a simple ball-and-socket joint connected to the femoral stem. All total hip replacement…