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What Are The Different Types of Hip Replacement

by:Zhiyuan     2020-05-27
Most patients undergoing any type of surgery have high standards for the procedures that are performed and the instruments that are used. All these patients assume that the procedures and devices utilized have been thoroughly researched, tested, and given a high standard of safety. Due to the DePuy recall, patients are questioning the safety of medical procedures, particularly hip implant surgeries. Most hip replacement procedures are even unnecessary as some orthopedists would attest. Therefore, it is important that patients undergoing hip replacement surgery should educate themselves as to the types of hip implant systems that are available and compare each one in order to choose which one is best suited for them. The following are the four most common types: Metal-on-plastic With this type of system, the femoral head is composed of metal while the liner is made up of standard plastic polyethylene. This type of implanted is not recommended for younger, more active patients since standard polyethylene liners are more susceptible to wear and tear. These types of implants are impractical for younger and more active patients as they will more than likely need corrective surgery within seven to ten years of the original procedure. Best suited for these types of implants are patients that are elderly and/or with lower levels of daily activity. These hip implant systems are recommended for patients who are elderly and/or who have lower levels of daily physical activity. Metal-on-highly crosslinked polyethylene These types of systems are fundamentally similar to metal-on-plastic system, but differ in the fact that crosslinking the polyethylene creates a more durable and stable implant. This type of system has replaced the standard metal-on-plastic system and is ideally suited for the younger, more physically active types of patients. Metal-on-metal This class of implant is currently the focus of the DePuy hip replacement recall; however, different brands other than DePuy do not have the same reputation. There have been no other reports of significant failure rates among these types of implants coming from other manufacturers. Metal-on-metal implants are known to produce stability and longevity. However, those with any type of sensitivity or allergy to metal should avoid these types of implants. An inflammatory reaction and/or nerve damage may result from particles released into the bloodstream due to friction of the metal implant components. Metal-on-ceramic This type of system has an advantage over the other types in that it is more resistant to erosion of its components. With regards to wear and tear, metal-on-ceramic outperforms both metal and plastic types of hip implants. Despite being more susceptible to breaks and fractures, this type has a lower risk of causing an allergic response. The DePuy hip recall has questioned the safety of hip implants. Many have learned that filing a DePuy Asr lawsuit in the wake of the recall would be the best option so far. Patients undergoing hip replacement surgery should still research the different types of hip implants that are accessible to them. These patients should talk with their surgeon to find out which type of implant is best suited to their level of physical activity, age, health, current health of their bones, and other factors.
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