DePuy Hip Replacement Devices Recalled
DePuy Hip Replacement Devices Recalled
DePuy Hip Replacement Devices Recalled
DePuy Orthopedics announced a recall of certain DePuy hip replacement devices after research showed a high rate of failure in some DePuy hip devices. Following the announcement of the DePuy recall, some patients filed lawsuits against DePuy and its parent company, Johnson & Johnson, alleging the DePuy hip replacement devices were negligently designed.
Included in the DePuy Orthopedic recall are the ASR XL Acetabular system, available from 2008 through 2009, and the ASR Hip Resurfacing system, available from 2005 through 2009. Approximately 93,000 units are affected by the DePuy recall, which was announced on August 26, 2010.
The DePuy hip replacement recall was announced after research showed higher than normal failure rates with the two DePuy hip replacement systems. Specifically, data showed approximately a 13 percent failure rate for the DePuy ASR XL system and a 12 percent failure rate for the DePuy ASR Resurfacing system.
There are two alleged problems with the DePuy replacement systems. First is that the socket, which the ball of the hip joint is placed, is too shallow, allowing the ball to slip out of place. The second is that the systems have a metal-on-metal design, as opposed to traditional hip replacement systems that have a ceramic component. Wear and tear of the metal-on-metal can cause pieces of metal (known as debris) to splinter off and be released into the hip joint and the surrounding tissue.
The debris can cause a condition known as metallosis and can also cause death of the surrounding tissue, which can lead to a failure of the hip replacement.
Patients who experience failure in their DePuy hip replacement must undergo hip replacement revision surgery: surgery to replace their hip replacement. Revision surgery can be complex and carry a higher risk of complications than the initial hip replacement surgery.
In most cases, hip replacements are generally expected to last up to 15 years. Patients who have the DePuy hip fail can experience failure much more quickly than that, sometimes within a year or so. This means that they are undergoing hip replacement revision surgery much sooner than anticipated.
Signs that a DePuy hip replacement has failed include difficulty walking, pain in the hip, pain when bearing weight, pain when walking or rising from a seated position, and popping or grinding sensations while walking. Those believed to have the highest risk of DePuy hip failure include patients of small stature, women or patients with weak bones.
Patients who are not sure if they have a DePuy hip device implanted can speak with their doctor or obtain a copy of the operative report from the surgeon.
Lawsuits have been filed against DePuy Orthopaedics and Johnson & Johnson alleging the hip replacement devices were defectively designed, resulting in higher than normal failure rates. Furthermore, DePuy lawsuits allege that the company knew about the risks associated with the prosthesis but failed to warn doctors about those risks.
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