Many orthopedic surgeons throughout the country have reported an excessive rate of hip replacement failures as a result of loosening of the Zimmer Durom Cup. This device is inserted into patients during total hip replacement surgery. The Zimmer Durom Acetabular Component (Zimmer Cup), unlike traditional hip replacement parts, is made from a single piece of material which was designed to alleviate some of the more common side effects of the surgery such as early wear of the bearing, limited range of motion and instability of the hip joint. The product has been used in this country since 2006 and was withdrawn from the market in 2008, pending the issuance of new guidelines outlining special surgical techniques which must be followed during surgery. Unfortunately, thousands of the units had already been implanted and many patients were subsequently found to need a second surgery due to the unit's failure to bond properly.
The symptoms of this product failure are pain, stiffness and limping for more than 10-20 steps following an appropriate healing period after hip replacement surgery. In patients with successful surgery, the pain and stiffness only lasts for a few steps up to three months after surgery and subsequently dissipates. For patients with a defective hip replacement procedure, the pain, stiffness and limping are similar to the level experienced pre-surgery. Also, these patients sometimes experience sharp pain in the groin area and have limited endurance while walking. Many still have to use canes for outdoor ambulation while others walk with a noticeable limp. It is not unusual for symptoms to progress for up to 18 months before product failure is diagnosed.
Potential product liability lawsuits are being investigated throughout the country. If you or a loved one have had this device implanted during hip replacement surgery and know or suspect that the Zimmer Cup may have failed, it is important to know your rights.
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