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Depuy Synthes Joint Reconstruction Introduces Two New Knee Technologies For The ATTUNE® Knee System

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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 System—the ATTUNE Rotating Platform Knee and the Anatomic Patella. The announcement was made in conjunction with the 2014 American Academy of Orthopaedic Surgeons Meeting (AAOS) in New Orleans.

“The introduction of the ATTUNE Rotating Platform Knee and the Anatomic Patella bring new options for patient care,” said Hannah McEwen, Ph.D., DePuy Synthes Joint Reconstruction’s Worldwide Director for Knee Product Development. “The ATTUNE Knee is now available with rotating platform technology, which is designed to improve conformity and stability throughout the range of motion and optimize kinematics, as well as the anatomic patella, which is designed to improve patella kinematics.”

The advantage of rotating platform knees is that the bearing can rotate as the knee flexes, which allows for a more natural motion and may also reduce the stress and wear on the implant.[i] The ATTUNE Rotating Platform Knee builds on DePuy Synthes Joint Reconstruction’s strong leadership in rotating platform knees and combines that expertise with the proven technologies of the ATTUNE Knee, which is designed to enhance stability and motion.

Studies show that between 10-20 percent of knee replacement patients are not completely satisfied with their knee replacement.[ii] A major contributing factor to this is anterior knee pain in the area of the patella.[iii] The anatomic patella was created to help address this need, and is designed to wrap around the knee in a more natural way and improve patella tracking.

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. The launch of the ATTUNE Rotating Platform Knee follows last year’s launch of the ATTUNE Fixed Bearing Knee. To date, more than 31,000 ATTUNE Knee implants have been provided for patients worldwide.

ATTUNE Rotating Platform Knee
The rotating platform design increases the level of conformity to provide stability while delivering freedom of mobility. In addition, the rotating platform design gives the tibial insert the freedom to self-align and track with the femoral component throughout the range of motion, allowing surgeons the ability to position the rotating platform tibial base on the proximal tibia for maximum bony coverage. The ATTUNE Rotating Platform Knee builds on DePuy Synthes Joint Reconstruction’s heritage, including the

LCS® COMPLETE™ Knee System and the SIGMA® Rotating Platform Knee System. More than one million rotating platform knees have been provided for surgeons and patients around the world.[iv]

ATTUNE Anatomic Patella
The anatomic patella works with the ATTUNE Knee femoral components. The anatomic patella is unique to DePuy Synthes Joint Reconstruction and is compatible with both ATTUNE Fixed Bearing and Rotating Platform Knees. The anatomic patella is designed to have more natural sagittal plane kinematics than traditional dome style patella components. The more natural kinematics can reduce soft tissue interaction with the femoral component and thereby help prevent soft tissue irritation. Also, the unique kinematics of the anatomic patella can increase quadriceps efficiency in deep flexion, allowing the knee to more easily flex and extend.

Important Safety Information
The performance of knee replacements depends on a patient’s age, weight, activity level and other factors. There are potential risks and recovery takes time. People with conditions limiting rehabilitation should not have these surgeries. Only an orthopaedic surgeon can determine if hip or knee replacement is necessary based on an individual patient’s condition.

*DePuy Synthes Joint Reconstruction is a division of DePuy Orthopaedics, Inc.

About DePuy Synthes Joint Reconstruction
DePuy Synthes Joint Reconstruction, a global leader in hip, knee and shoulder replacement, is part of

DePuy Synthes Companies of Johnson & Johnson, the largest provider of orthopaedic and neurological solutions in the world. For more information visit,


[i] McNulty DE, Swope SW, Auger DD, Smith T. The effect of crosslinking UHMWPE on in vitro wear rates of fixed and mobile bearing knees. ASTM STP 1445. Gsell, R. et al. American Society for Testing and Materials, West Conshohocken, PA. Available online at (2004).

[ii] Baker PN, van der Meulen JH, Lewsey J, Gregg PJ. The role of pain and function in determining patient satisfaction after total knee replacement. JBJS-Br. 2007; 89-B(7): 893-900.

[iii] Sensi L, Buzzi R, Giron F, De Luca L, Aglietti P. Patellofemoral function after total knee arthroplasty: gender related differences. J Arthroplasty. 2011; 26(8): 1475-1480.

[iv] Data on file at DePuy Orthopaedics, Inc., 2007.

David Polk
Chandler Chicco Agency

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