Disengage the distal femoral jig from the handle by pushing on the vv indicator cap and slide the jig toward the femur until the distal plate contacts the distal femur. The attune primary total knee system is designed with the goal of addressing the clinical needs of patients, surgeons, and hospital providers around the world. Twenty percent of patients report persistent knee pain at 5 years from surgery 3. An early outcome study of the attune knee system vs. The device is advertised as being able to give patients increased stability and range of motion following knee replacement procedures. However, when depuy submitted the attune knee system to the. The depuy knee replacement lawyer dean goetz is currently investigating cases where patients were implanted with the depuy synthes attune knee system a total knee replacement solution. New attune revision knee system launched at aaos medlatest. According to the company, a multicenter study of 200 cases presented at the 2nd world arthroplasty congress in rome on patient reported outcome measures proms reported a statistically significant improvement in knee physical function at six months with the attune knee compared to. Attune system including procedures for implantation to surgeons and consumers. Depuys attune knee seeing unusually high rate of early. In 2011 depuy voluntarily recalled several artificial knee components after receiving a warning letter from the u. Depuy introduced the first mobile bearing knee system in the united states, the lcs knee system. Though the acl repair restored my knee stability, the joint function did not completely normalize, and after 15 or so years, my cartilage was all but gone.
A recent study published in the june 2017 journal of knee surgery found a high rate of early complications in the attune knee replacement system. Depuy knee replacement side effects include all the possible complications that come with any knee surgery using any type of artificial joint. Updated clinical data for depuys attune knee orthopedics. However, since its approval in 2010, many depuy attune knee replacement pateints have reported problems with the device, some of which have resulted in the need for risky revision and reconstructive surgery.
The external femoral 94 alignment system appendix iii. Total knee arthroplasty a history the story design features kinematics stature stability wear patient preference 37 89 1015 1618 1921. Guidance on depuy orthopaedicss attune knee system mccarthy. The attune knee system delivers breakthrough discoveries that. The attune knee system, the largest research and development project in the history of depuy synthes joint reconstruction, was designed to provide better range of motion and address the unstable feeling some patients experience during everyday activities such as stair descent and bending. Solutions comprise innovative, biologically based products for surgical conditions that are often difficult or expensive to manage. Despite depuy s claims that the attune system would be easier to implant than earlier generation tkr devices, after being notified of premature tibial baseplate failures, depuy began alleging substandard surgical technique rather than the attune system s defects when worrying failure rates began to emerge.
The attune knee system can help patients return to their normal activities sooner than anticipated 23, while also enabling surgeons and health systems to improve clinical outcomes. The attune cementless knee system includes the patented technologies of the attune knee system. Thus far, numerous cases of premature failure of the device have been reported to the fdas adverse event reporting system. Depuy synthes attune knee replacement system complications. Depuy synthes adds to its attune line of knee products. Rationale and selection of mobile bearing knee prosthesis. Prosthesis, knee, patellofemorotibial, semiconstrained, uncemented, porous, coated, polymermetal product code mbh. The attune knee is a comprehensive, integrated knee system. About 78 years ago, i began to have knee pain again. The attune primary total knee system is designed with the goal of the intuition instrumentation combines the surgical process with intuitive and efficient please refer to the surgical technique guide or package inserts if included for a.
Depuys attune knee replacement is suffering unusually high rates of early failure due to loosening and poor bonding of metal to bone, according to a study published in the journal of knee surgery. The attune knee by depuy synthes was introduced in 20. Depuy synthes launches attune revision knee orthopedics. This novel design was created to be a better approach to traditional knee replacements. While there has not been a recall of the depuy attune knee replacement system, depuy synthes has encountered issues with its knee replacement system in the past. The report concludes that in a valuebased healthcare. The attune system includes a gradius curve, designed to improve stability during everyday activities like walking or going down stairs. We deliver total solutions across disciplines that go beyond the products themselves. Mar 15, 2017 depuy synthes companies developed the attune knee system to improve the stability and motion of knee replacement, which are important to patient satisfaction. The system encompasses implants and surgical instrumentation designed to work in harmony with your anatomy to deliver stability and motion. The depuy synthes attune artificial knee is marketed as an innovative, comprehensive, integrated knee system that provides stability, strength, and a greater range of motion postsurgery. Depuy attune knee replacement linked to high rates of revision surgery. Depuy synthes, based in warsaw, indiana, has announced updated clinical data for its attune knee system. Attune knee system surgical technique depuy synthes joint reconstruction distal femoral resection insert the im rod into the femoral canal to the level of the isthmus.
Clinical and radiographic results of attune and pfc sigma knee designs at 2year followup. Novel testing protocols and methods were used during development. All patients received a novel knee system at another institution. Depuy synthes companies announces new attune revision fixed. Depuy synthes attune knee replacement lawyers martin. Sigma rotating platform knee system surgical technique position the oscillating saw blade through the slot or, where applicable, position the blade. Depuy attune knee replacement lawsuit parker waichman llp. Introduction total knee replacement surgery can be a highly successful procedure. However, in recent months, depuy has filed dozens of reports with the food and drug administration documenting premature failures of the attune knee replacement. The attune knee system is a new, stateoftheart knee replacement system from depuy synthes joint reconstruction. The journal of knee surgery study, titled unusually high rate of early failure of tibial component in attune total knee arthroplasty system at implantcement interface was prompted after a high rate of debonding of the tibial implantcement interface was observed.
Extensive research and science are included in the design to help improve functional outcomes for patients, performance for surgeons, and efficiency for providers. The chosen surgical technique was a combination of the balanced gaps. Cementation techniques for total knee arthroplasty. Attune knee system surgical technique depuy synthes companies 5 pinning the attune knee system has 3. Development of a modern knee society radiographic evaluation system and methodology for total knee arthroplasty. High numbers of complaints have recently emerged from patients who have been implanted with the depuy synthes attune knee system. The attune knee system overview brochure is designed to provide an overview of the system. As was the case with medical device lawsuits in the past for products like stryker hip, zimmer knee and depuy hip implants, these claims will end up in specialized multidistrict. The epub format uses ebook readers, which have several ease of reading features already built in. While knee replacement is widely recognized as one of the most common and successful surgical procedures, approximately five percent of. Between 2003 and 20, the company issued a recall on nearly three hundred knee replacement components or devices, which is more than any other knee implant manufacturer. These reports, submitted to the fda, indicate a high number of attune failures caused by loosening or debonding at the cement interface of the tibial baseplate.
While this may ensure consistency in surgical technique, etc. Resect the condyles and check the surface for accuracy. Despite depuys claims that the attune system would be easier to implant than earlier generation tkr devices, after being notified of premature tibial baseplate failures, depuy began alleging substandard surgical technique rather than the attune systems defects when worrying failure rates began to emerge. Extramedullary tibial 100 alignment device with proximal fixation spike appendix v. Thieme ejournals the journal of knee surgery abstract. The study, recently published in the journal of knee surgery, explored a.
Depuy makes both fixed bearing, and rotating knees. Apr 09, 2020 despite depuys claims that the attune system would be easier to implant than earlier generation tkr devices, after being notified of premature tibial baseplate failures, depuy began alleging substandard surgical technique rather than the attune systems defects when worrying failure rates began to emerge. This content is intended for health care professionals in the united states. As no single arthroplastic approach is appropriate for every knee, the surgeon must be prepared, as the situation indicates, to preserve. Guidance on depuy orthopaedicss attune knee system. The trumatch system is a personalized surgery system that allows surgeons to scan a patients legs and design a custom procedure for implanting the artificial knee. The product is another part of the attune knee portfolio and. Depuy attune knee system failures mcgartland law firm. Superior results were recorded for the attune knee system.
Depuy attune knee implants failing prematurely daily. We have maintained the attune gradius curve to provide stability through the range of motion 1,2,3 and glideright articulation for improved patellafemoral kinematics. In a large, multicenter study, the attune primary knee system demonstrated improved outcomes across a broad range of patient reported outcome measures proms. The attune revision knee system is designed to complement the attune primary knee system and provide surgeons with a comprehensive solution for knee replacement, says the company. Guidance regarding depuy orthopaedics attune knee system. Attune knee system surgical technique depuy synthes joint reconstruction 9 distal femoral resection with the knee in flexion, remove osteophytes from the intercondylar notch. Depuy attune knee system is one of the wellknown products used for total knee replacement prosthesis. Total knee replacement is performed on a range of patients, of all ages, with various pathologies and anatomical anomalies.
Cross country skiing was still doable, but painful at times. The tibial articulation surface trial snaps together with the shim component to function as the insert trial during a total knee replacement. Since its release almost a decade ago, it has been used in more than 400,000 knee replacement procedures. New attune revision knee system from depuy synthes utilizes. If there are challenges with the primary surgery, the attune revision system allows the surgeon to. Oct 03, 2014 the attune knee by depuy synthes is an advancement in knee replacement options. New report demonstrates the clinical and economic value of. Dr a s prasad in kanpur shows the technique of the surgery with the new. Lawyers expect thousands of claims for attune debonding will likely be filed as more patients find out the cause of their knee implant problems. The lateral approach to the valgus knee surgical technique and analysis of 53 cases with over twoyear followup evaluation. Femoral and tibial 103 insert compatibility charts appendix iv, surgical technique, edited by william l. Triathlon knee system surgical protocol femoral preparation 8. Engineers at purdue university have found a novel way to imbue.
Attune knee replacement, technique of the latest knee implant. Depuy attune knee lawsuit early implant failure side effects. About depuy synthes joint reconstruction confidence like. Position the step drill to enter the intramedullary canal slightly superior and medial to the midline of the trochlea, 7 mm to 10 mm anterior to the origin of the pcl. Complaints growing over depuy synthes knee replacement side. I stopped downhill skiing about 67 ago due to pain.
Jnj subsidiary depuy synthes attune total knee arthroplasty system is experiencing an unusually high rate of early failure related to its tibial components. Depuy synthes introduces attune revision knee system to. Depuy synthes pfc sigma ps a and attune b tka systems. Oct 10, 2017 the depuy attune knee system is one of the most popular artificial knee replacement systems currently on the market. Triathlon knee system surgical protocol stryker meded. The attune knee system was introduced by depuy synthes as a result of the largest research and development project in the companys history, and was designed to improve function through mobility and stability of the knee joint, compared to older models of knee replacement systems. The attune knee implant has been related to a higher occurrence rate joint detachment leading to device failure. A comparison of clinicaland patientreported outcomes of the.
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