I can't seem to get a clear answer from my dr office. Monday, August 13, 2018 - Cobalt poisoning could result from metal to metal or metal to plastic friction in the DePuy Knee Replacement System. With custom knee replacement, a magnetic resonance imaging (MRI) or computed tomography (CT) scan and computer algorithm are used to create a three-dimension model that matches the orientation, size and dimensions of the patient’s own knee. One of them had a knee replacement and the other had a hip replacement. They note: If you are looking to avoid knee surgery, see our main page Prolotherapy for knee pain for an alternative to surgery. In a clinical study, the device used has been clinically proven and the manufacturer is testing it fully to meet FDA requirements. If you or a loved suffered from DePuy knee problems including instability, pain, bone damage, and the need for revision surgery due to a defective DePuy knee, you may be entitled to damages. Because no two patients have exactly the same tibial bone size or density, the company has updated the information on its website instructing DePuy doctors to rule out potential patients with insufficient tibial bone strength. Tibial base loosening is the primary reason so many DePuy knee come painfully undone, unstable and twists and turn when one walks. Cobalt is a naturally occurring element used to make metal alloys and other metal compounds, such as military and industrial equipment, and rechargeable batteries. We provide free no-obligation DePuy knee lawsuit case review. With care and attention to the alloy type (eg, titanium, cobalt-chromium, stainless steel), orientation of the implant, and magnetic field strength, as well as use of proprietary and nonproprietary metal-suppression techniques, previously nondiagnostic studies can yield key diagnostic information. Knee. | 7/24/2017, The Global Market For Knee Replacement | 7/17/2017, Product Failures at Johnson & Johnson | 7/10/2017, Depuy Knee Replacement Side Effects | 7/3/2017, Over 4 Million Knee Replacements in US Alone | 6/19/2017, How Joint Replacement Surgeries Have Become More Dangerous | 6/12/2017, High Demand for Joint Replacement Systems Lead to Defective Products | 6/5/2017, DePuy Knee Replacement System Failures | 6/1/2017. Epub 2015 Nov 2.[Pubmed]. During primary total knee replacement, the knee joint is replaced with an implant, or prosthesis, made of metal and plastic components. The alloy also tests safe for larger items, such as knee and hip replacements. Potential allergens were strictly avoided in the replaced prosthesis. Help! We are an out-of-network provider. Knee Replacement Surgery. They were chatting about postoperative imaging studies and mentioned that "you know, it is not possible to take an X-ray because of the metal in the new joint." Treatments discussed on this site may or may not work for your specific condition. Metal on metal contact of the DePuy knee can cause metal Cobalt shavings that are quickly absorbed into the bloodstream. When a person walks with the DePuy knee they are experiencing the metal-on-metal contact of the Cobalt-Chromium alloy. MRI Comparison of Periprosthetic Structures Around Zirconium Knee Prostheses and Cobalt Chrome Prostheses Brad Raphael 1 , Andrew H. Haims 1 , Jim S. Wu 1 … When should I involve a Prolotherapist in my care? DePuy knee Cobalt poisoning most often affects one's ability to think and remember things and misdiagnosed in senior citizens as Alzheimer's disease. Cobalt Chromium Metal Poisoning from Hip Replacements. A thicker cobalt-chromium tray was associated with significantly more medial tibial bone loss. The results clearly show that the metal-on-metal hinge knee replacement carries a high risk of increased levels of systemic metal ions and also local adverse patient reactions to metal debris, leading to complicated knee revisions. The Food and Drug Administration (FDA) must approve all medical devices used in the U.S. 2017 Jan 26:1-6. doi: 10.1080/17453674.2017.1283846. High blood metal ion levels in 19 of 22 patients with metal-on-metal hinge knee replacements. A 64-year-old man presented with persistent right knee pain and swelling of his 2 years after an uneventful primary TKA for osteoarthritis using … These include hip and knee replacements, plates, screws, and rods to treat limb fractures, and dental fillings. 2016 Feb;40(2):239-44. doi: 10.1007/s00264-015-3001-6. Even if you don't have ANY symptoms or problems with your metal on metal hip implant, you should be aware of metal poisoning from your hip replacement. But in some instances an MRI scan may not be recommended. Twelve-Year Outcomes of an Oxinium Total Knee Replacement Compared with the Same Cobalt-Chromium Design: An Analysis of 17,577 Prostheses from the Australian Orthopaedic Association National Joint Replacement Registry J Bone Joint Surg Am. 22 patients with total knee arthroplasty and metal-on-metal hinge connecting mechanisms were studied for whole-blood chromium and cobalt levels at 6 months, 1 year, and at 2 years or less after surgery. In order to fill the space in between the tibia and the sleeve into which the bone is inserted, doctors were told to use "shims" much like a carpenter would when trying to level a set of shelves or a bookcase. The primary materials used in the GENESIS II Total Knee System implant components include cobalt chromium molybdenum alloy (Co-Cr-Mo), titanium alloy (Ti-6Al-4V), and ultra-high molecular weight polyethylene (UHMWPE). The Triathlon Total Knee System is a primary total knee replacement system designed to work with the body. The replacement knee joint is comprised of a flat metal plate and stem implanted in your tibia, a polyethylene bearing surface and a contoured metal implant fit around the end of the femur. Despite these radiographic findings, we found no discernable differences in clinical outcomes in our patient cohort. I am one of thousands that received 2 hip replacements and then developed cobalt & chromium and had to have them both again replaced-I need a brain MRI. They can even be used to reduce pain and delay knee replacement for more severe arthritis. *It does not include vitamin B-12, because cobalt in this essential nutrient is bound to protein and does not release cobalt ions. Your doctor may advise you to get a blood test to check for metal poisoning. An imaging test called an MRI will give a more detailed look into the bone and soft tissues around your knee. There has been increasing alarm regarding metal-on-metal joint replacements leading to elevated levels of metal ions and adverse patient’s reactions to metal debris. The other woman agreed and added that, "I'm glad I can have an MRI and I was told it won't hurt the machine." "Total Knee Arthroplasty (TKA) and Unicompartmental Knee Replacement are intended to provide increased patient mobility and reduce pain by replacing the damaged knee joint articulation in patients where there is evidence of sufficient sound bone to seat and support the components." The friction releases tiny metal particles into your bloodstream that could trigger a hypersensitive immune response in your body. [Pubmed], 2 Guenther D, Thomas P, Kendoff D, Omar M, Gehrke T, Haasper C. Allergic reactions in arthroplasty: myth or serious problem? The standard and most commonly used is a cobalt chrome prosthesis consisting of cobalt chrome (cobalt-chromium-molybdenum) femoral components, titanium alloy (titanium-aluminum-vanadium) tibial components, and high-molecular-weight polyethylene patellar components. I believe the metal used in my knee replacement is cobalt chrome or cobalt chromium. Triathlon has been implanted in over 2 million patients worldwide. For the first year, Dr, Tower's metal on metal hip replacement worked fine and he was able to resume his cycling hobby without problems. Doctors in Germany studied patients to determine the prevalence of sensitisation to chromium, cobalt, nickel, or a cement component in patients who received joint replacement surgery. | 1/28/2019, Orthopedic Surgeons Recommend Knee Replacements When a Little Exercise May Be All That is Needed | 1/22/2019, Artificial Knee Manufacturers Battle With Patient Knee Infections | 1/17/2019, Knee Replacement Infections May Necessitate Amputation | 1/14/2019, Overweight Knee Replacement Candidates Should Consider Other Options | 1/9/2019, The DePuy Revision Knee Can Come Unglued Just as Easily as the Original Device | 1/7/2019, DePuy Knee Replacement Can Be Complicated by Osteoporosis | 1/3/2019, Knee Replacement Patient Should Lower Their Expectations | 12/18/2018, Medical Device Sales Representatives Are Present In Knee Replacement Operating Rooms | 12/13/2018, Knee Pain Patients Are Urged To Investigate Stem Cell Therapy Before Agreeing To Knee Replacement Surgery | 12/10/2018, The Risk of Infection May Outweigh the Benefits of the DePuy Knee Replacement Device | 11/29/2018, The FDA Failed to Adequately Test The DePuy Knee Replacement Device | 11/26/2018, DePuy Knee Patients Should Know When Enough is Enough | 11/9/2018, Senior Citizens Should Seek a Second Opinion for a Doctors Knee Replacement Advice | 11/2/2018, Senior Citizens With Osteoporosis May Want To Avoid Knee Replacement | 10/30/2018, DePuy Synthes Addressed the Failed DePuy Knee Due to Infections | 10/29/2018, Knee Replacement Market Estimated to Reach $10 billion Annually by 2024 | 10/24/2018, DePuy Targets Older Senior Citizens With The Revision Knee | 10/18/2018, Failed Knee Replacements Can Lead to Leg Amputation | 10/12/2018, Arthritis Knee Pain and Total Knee Replacement Surgery | 10/10/2018, Debonding, Infections, and Metal Hyper-Sensitivity Can Require DePuy Knee Replacement Revision Surgery | 10/1/2018, DePuy Blames Glue For Knee Replacement Device Failures | 9/28/2018, Arthritis Sufferers Should Think Twice Before Jumping Into Knee Replacement | 9/27/2018, The Meager Benefits of the DePuy Revision Knee Replacement Device | 9/25/2018, Lawsuit Alleged DePuy Failed to Recall the Knee Replacement Device | 9/22/2018, Alternatives to Knee Replacement Surgery for Senior Citizens | 9/19/2018, Blood Test Results May Be An Early Warning That An Artificial Knee Is About To Fail | 9/17/2018, The New DePuy Revision Knee Replacement System | 9/13/2018, Doctors May Be Overselling The Benefits of Knee Replacement Surgery | 9/10/2018, Total Knee Replacement Questions and Answers | 8/31/2018, Medical Device Studies Are Looking More Like Infomercials | 8/27/2018, Metal Hypersensitivity Can Cause DePuy Knee Failure | 8/24/2018, DePuy Knee Replacement System is sold primarily to senior citizens in spite of the product's age warning | 8/17/2018, Tibial Fractures and Loosening Cause DePuy Knee Failure | 8/15/2018, Report DePuy Knee Replacement Malfunctions Using The FDA's MAUDE System | 8/8/2018, A Physically Active Generation Demands More Knee Replacement Surgeries | 8/6/2018, Senior Citizens Will Require More From The DePuy Knee Replacement Device Than Merely Playing With The Grandkids | 8/2/2018, Setting the DePuy Revision Knee Terminology Straight | 7/30/2018, Senior Citizens Are Urged To Put Off DePuy Knee Surgery Unless Absolutely Necessary Made from a combination of metal in my care ) determined the levels of in... 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