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Large Joints Feature

DePuy Synthes ATTUNE Revision Knee System / Courtesy of DePuy Synthes

DePuy Synthes Launches ATTUNE Revision Knee

Elizabeth Hofheinz, M.P.H., M.Ed. • Tue, March 6th, 2018

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Appearing on the red carpet at the 2018 American Academy of Orthopaedic Surgeons (AAOS) Annual Meeting in New Orleans this week is the DePuy Synthes ATTUNE Revision Knee System.

The product is another part of the ATTUNE Knee portfolio and features the ATTUNE GRADIUS Curve, which addresses the unnatural sliding of the femur on the tibia. Also included in the system is GLIDERIGHT Articulation, which is designed to enable the ATTUNE Knee design to mimic the normal patellofemoral kinematics of the human knee.

Rajit Kamal, vice president and global platform leader of knees at DePuy Synthes, told OTW, “In 2013 we launched the primary version of the ATTUNE Knee; to date, implants have been provided for more than 575,000 patients in 43 countries around the world. Not only that, but we have six years of data that are very encouraging. Total knee arthroplasty (TKA) is a successful surgery, but 5% of patients need to undergo a revision within the first 10 years after the initial surgery. This system is an excellent way to meet those patients’ needs.”

“Ideally, companies will have a primary and revision system…so here we are with the ATTUNE Revision Knee. And it’s not just any revision system—it involves several proprietary technologies that provide added stability as the knee goes through its entire range of motion. This makes a critical difference for patients when it comes to walking down the stairs, etc. In addition, the ATTUNE Revision Knee has one of the most comprehensive arrays of fixed and rotating platform components.”

“We are fortunate to have a strong legacy through our SIGMA Revision Knee System. The ATTUNE Revision Knee builds off the heritage of SIGMA Revision and adds the proprietary technologies from the ATTUNE Primary Knee System.”

“This adds a new chapter to our ATTUNE Knee platform, enabling us to bring those proprietary technologies to more patients and addressing a key need for improved kinematics. And critically, it enables surgeons to adapt the system to what they want—instead of the other way around. Our instrumentation is now even easier to use, especially for revision situations which are more complex than primary procedures.”

Liam Rowley, global knee development director at DePuy Synthes, commented to OTW, “The proprietary technologies that come with the ATTUNE Revision System are about giving patients confidence that they will have stability while in motion.”

“There are studies indicating that up to 20% of knee replacement patients are not satisfied with their surgeries, so this product is addressing patient satisfaction. Patients with a previous implant can lose confidence, for example, while going down the stairs as their flexion is ‘off’ because the thigh bone slides forward on the shin bone. The ATTUNE GRADIUS Curve controls the glide so that there is a more natural feeling. Thus, instead of a revision salvage operation the surgeon is getting improvements in patient reported outcomes.”

“One much-appreciated aspect of the ATTUNE Revision System is that it allows for intraoperative decision making, including the choice between a rotating platform and a fixed bearing. And because the system is a fully integrated system, it allows for complex primary and revision procedures.”

“If there are challenges with the primary surgery, the ATTUNE Revision System allows the surgeon to utilize both primary and revision components to adapt to the needs of the patient. In the past many revision systems were limited in size, instrumentation and workflow so patients and surgeons had to adapt what they wanted to do to what the system allowed. No more!”

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