A prospective, consecutive series, singlesurgeon study comparing patients undergoing conventional jigbased total knee replacement versus mako total knee surgery 30 patients, concluded that mako total knee with triathlon was associated with less bone and soft tissue damage p total knee replacement is anterior knee pain. Study finds high failure rate in depuy synthes attune total knee system a study compiling data from several doctors found an unusually high rate of failure in the attune system. The rotating platform knee is the only fdaapproved mobile bearing total knee implant. One hundred twenty patients were randomised to receive either a fixedbearing. Fda warns depuy over hip implant and knee replacement product august 25, 2010 written by. Jnj subsidiary depuy synthes attune total knee arthroplasty system is experiencing an unusually high rate of early failure. The trumatch solutions program from depuy orthopaedics brings a new level of personalized total knee replacement surgery to your or, allowing you to work with femoral and tibial cutting guides individually prepared to match the. The depuy knee replacement lawyers at gomez trial attorneys are currently investigating cases where patients were implanted with the depuy synthes attune knee system a total knee replacement. The design software takes into account your own surgical. Listing a study does not mean it has been evaluated by the u. Over 250,000 doctors use vumedi to improve patient care and grow their practice. The trumatch solutions program from depuy orthopaedics brings a new level of personalized total knee replacement surgery to your or, allowing you to work with femoral and tibial cutting guides individually prepared to match the alignment criteria and actual bone surfaces of each patient.
This content is intended for health care professionals in the united states. If that happens, attorneys may ask to combine them in a multidistrict litigation. The attune primary total knee replacement system value. To further adjust the distal resection depth once the distal femoral jig is removed, use. The study was published this year in the journal of knee surgery thieme medical publishers, inc. At parker waichman llp, our attorneys have been investigating claims regarding defective depuy attune knee replacement systems. Depuy attune knee replacement patients report tibial loosening. As this is a newly approved medical device, clinical testing in patients using high. Nov 08, 2009 the aim of this study was to determine whether there is a difference in functional outcome between the pfc sigma fixedbearing and rotatingplatform total knee replacement systems. The attune intuition instrumentation is unique in its ability to combine the surgical. The value dossier features work conducted by depuy synthes joint. Affatato, in surgical techniques in total knee arthroplasty and alternative.
About depuy synthes joint reconstruction confidence like. Today, one million mobile bearing knees have been chosen by surgeons and patients around the world. Within two weeks of the surgery, i started experiencing and complaining about a grabbing or locking feeling of the device. According to the fdas manufacturer and user facility device experience maude database, more than 1,400 patients have experienced failure problems with their depuy attune knee replacement. Comparison of an existing and new total knee arthroplasty implant system from the same manufacturer. Total knee replacement surgery is when damaged bone from the top of the shin bone the tibia and the bottom of the thigh bone the femur is replaced with metal and plastic parts.
We offer one of the worlds most comprehensive portfolios of orthopaedic products and services in the areas of joint reconstruction, trauma, spine, sports. Depuy synthes, based in warsaw, indiana, has announced updated clinical data for its attune knee system. However, we have decided against filing a depuy knee replacement class action lawsuit. 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. The trumatch solutions program from depuy orthopaedics brings a new level of personalized total knee replacement surgery to your or, allowing you to work with femoral and tibial cutting guides individually prepared to.
In the case of the attune knee, this is due to a questionable design whereby the surface of the implant is smoother than normal, making adherence difficult. In response to concerns about the risk of artificial knee implant side effects, many patients are now looking for alternatives to total knee replacement surgery that may offer the same or similar benefits, without the added risk of complications. The announcement was made in conjunction with the 2014 american academy of orthopaedic. Depuy knee replacement class action lawsuit information. Total knee arthroplasty a health economics perspective 19. Updated clinical data for depuys attune knee orthopedics. Depuy issues safety notice for lcs knee system orthopedics. Depuy synthes joint reconstruction markets orthopaedic devices, solutions and supplies for hip, knee and extremity. Total knee joint replacement surgery amazon web services. Pdf a comparison of clinical and patientreported outcomes of the. Along with its total knee systems, depuy makes individual components for partial knee replacement surgeries. Jnj subsidiary depuy synthes attune total knee arthroplasty system is experiencing an unusually high rate of early failure related to its tibial components.
Cunningham bounds files lawsuit against depuy due to attune. I even asked my home health nurse and later, the surgeon, if the device moved. Study finds high failure rate in depuy synthes attune. Panchani s 2015 a comparison of patient reported outcome measures following total knee replacement with either the depuy synthes attune tm or depuy synthes pfc tm total knee replacement systems a single blinded randomised controlled trial study protocol clin res rials 2015 doi 10. Trauma technologies lcp locking compression plates merge locking screw. 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. The rotating platform knee is based on a revolutionary technology, the mobile bearing knee, which depuy orthopaedics pioneered 30 years ago. Depuy attune total knee arthroplasty rsa study full text. A tka knee system sigma, depuy, warsaw, in was tested. The attune knee system was designed by depuy synthes to improve stability and range of motion in patients undergoing total knee replacement surgery. Depuy makes both fixed bearing, and rotating knees. Depuy attune total knee arthroplasty rsa study the safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Pdf mechanics of postcam engagement during simulated.
Doctors have implanted depuy sigma knees in an estimated 1. Some of the joints made by the company, though, have been proven to increase the risk of certain side effects and complications. On b6, 2010, i had a total knee replacement done by my orthopaedic doctor. Depuy synthes joint reconstruction introduces two new knee. The lcs complete knee system in revision will merge with the hinged components of the depuy limb preservation system and will add much needed flexibility to the performance of these difficult.
Sigma rotating platform knee system surgical technique the surgeon design team and depuy wishes to thank the following international surgeon evaluation team for their valuable contributions to the development of the p. The technique of video motion analysis, applied to knees with a total knee. Sep, 2010 the low contact stress lcs knee system from depuy is a rotating platform knee replacement system, first implanted in 1977. Total knee arthroplasty with modular rotatingplatform hinge. Knee replacement products depuy synthes is offering one of the most. The intuition instruments are designed to be used with the singleuse pin pack 254400111 that contains universal pins and threaded headed pins. During my first week of pt, i was having problems with some movement, clicking and popping in the left knee with the new implant. Depuy knee replacement lawyers gomez trial attorneys. Jun 19, 2017 most knee replacement patients are up and walking within a few days after surgery. The low contact stress lcs knee system from depuy is a rotating platform knee replacement system, first implanted in 1977. Value analysis brief attune knee system depuy synthes 1. We offer one of the worlds most comprehensive portfolios of orthopaedic products and services in the areas of joint reconstruction, trauma, spine, sports medicine, craniomaxillofacial, power tools and biomaterials. The attune rotating platform knee designed to improve conformity and stability throughout the range of motion and optimize kinematics.
There are anteroposterior glide and rotating platform versions. In developing the attune cementless knee, depuy synthes drew on the. Urgent field safety notice lcs complete rps knee system. Most knee replacement patients are up and walking within a few days after surgery. Combining the position data from the motion system with. Functional outcome of pfc sigma fixed and rotatingplatform.
Within one week of the surgery, i was placed in a rehab center for physical therapy. As no single arthroplastic approach is appropriate for every knee, the surgeon must be prepared, as the situation indicates, to preserve or substitute for the posterior cruciate ligament. The attune knee by depuy synthes was introduced in 20. For the past few decades, surgical outcomes involving total knee replacements have greatly improved. Depuy attune knee replacements tibial loosening drugwatch. Tapered modular fluted titanium stems for femoral fixation in revision. 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. Depuy lcs complete knee system which medical device. Functional outcome of pfc sigma fixed and rotating. Total knee replacements have been used to treat joint disease since the 1970s, and in 2014, more than 670,000 total knee replacements were performed in the. Customized patient instruments for total knee replacement. Sigma rotatingplatform total knee arthroplasties performed during 2004 and 2005 to assess implant size variations in men versus women and size variation in.
The device has a polished cobaltchrome tibial tray into which the peg of the polyethylene tibial component is placed to allow rotation. The schmidt firm, pllc is nationally recognized as a class action law firm. Fda warns depuy over hip implant and knee replacement product. Featuring the latest in knee revision technology and efficiency broadcastmed network. This system is a medical device that was designed by depuy synthes to improve range of motion and stability in patients who. A 12 mm remnant stylus can be attached to the resection guide resting on the anterior surface of the patella, to avoid overresection figure 8. Depuy synthes attune knee class action knee replacement. The surgeon can save parts of the knee and only replace those parts that are badly damaged.
A comparison of patient reported outcome measures following. As more patients undergo total knee arthroplasty tka, the demand for. I had a total knee replacement on my right knee using the depuy device. Depuy synthes companies has applied for extensive patent protection in countries. Cunningham bounds files lawsuit against depuy due to attune knee replacement failure. Total knee replacement is performed on a range of patients, of all ages, with various pathologies and anatomical anomalies. The attune knee system, a medical device designed by depuy synthes to improve stability and range of motion in patients undergoing knee replacement surgery, has been linked to complaints from implant recipients of pain and premature device failure resulting in the need for revision surgery, among other serious problems. The lcs system is intended for total knee replacement and consists of a femoral implant and the compatible lcs insert. High numbers of complaints have recently emerged from patients who have been implanted with the depuy synthes attune knee system. This type of surgery is often less invasive than a total knee replacement and may require less time to recovery. Depuy s sigma knee system is among the companys most popular knee implants. The depuy attune knee system incorporates several key features aimed at improving kinematics of the knee joint, range of motion, and smoothness of use compared to existing total knee replacement technologies. Evolution of the rotating hinge for complex total knee.
Jnj subsidiary depuy synthes attune total knee arthroplasty system is experiencing an unusually high rate of early failure related to its tibial components, according to a new study. Founded in 1895, depuy synthes joint reconstruction was. Depuy synthes joint reconstruction division of depuy orthopaedics, inc. Mar 12, 2014 warsaw, in march 12, 2014 depuy synthes joint reconstruction, a global leader in joint replacement, today announced the introduction of two new technologies for the attune knee systemthe attune rotating platform knee and the anatomic patella. The intuition instruments combine the surgical process with intuitive and efficient instruments to allow the. Evolution of the low contact stress lcs complete knee system. Sigma rotatingplatform total knee arthroplasties performed during 2004 and 2005 to assess implant size variations in. Knee replacement lawsuit depuy, stryker, zimmer knee implants. Attune knee system surgical technique depuy synthes companies 5 pinning the attune knee system has 3. The number of patients undergoing a knee replacement surgery has doubled over the last decade and more than tripled in the 45to64 age group, reports fox news. The following are some possible alternatives to depuy knee implants. But with this dramatic increase in knee replacement seems to have come a correlating increase in complications reported in connection with failed implants.
This report focuses on the technique, outcomes, and application of. Pdf posteriorstabilized ps total knee arthroplasty tka components employ a tibial post and femoral cam. Jnj subsidiary depuy synthes attune total knee arthroplasty system is experiencing an unusually high. Urgent field safety notice lcs complete rps knee system leigh day australia, united kingdom april 15 2015 warning relating to depuy total knee implant. The aim of this study was to determine whether there is a difference in functional outcome between the pfc sigma fixedbearing and rotatingplatform total knee replacement systems. Knee pain when debilitating pain, accompanied by stiffness, swelling and limited motion in your knee keep you from your daily activities, it may be time to consider total knee replacement. Attorneys working with are no longer investigating this matter. An early outcome study of the attune knee system vs. Llc filed what is believed to be the first lawsuit in the country involving a premature failure of the. Sep 01, 2006 the use of a modular rotating hinge component in salvage revision total knee arthroplasty. The attune primary total knee system is designed with the goal of addressing the. In an irb approved early outcomes study, physiotherapists collected data on 40 patients implanted with attune knees and 40 patients with sigma cr150 knees. Depuy knee replacement side effects include all the possible complications that come with any knee surgery using any type of artificial joint. While past generations would often put off seeing a doctor for knee pain, todays active adults find relief with total knee replacement surgery.
Data has shown that up to 25% of patients have anterior knee pain. Fractured knee replacements can cause severe infections, loss of walking ability, leg amputation, and even death. In fact, total knee replacement tkr is widely considered as an effective. Depuy attune knee replacement lawsuit parker waichman llp. Problems with the depuy synthes attune knee replacement system.
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