About
The ATTUNE™ Primary Knee System is designed with the goal of addressing the clinical needs of patients, surgeons, and hospital providers around the world. Extensive research and science is included in the design to improve functional outcomes for patients1, performance for surgeons, and efficiency for providers. The ATTUNE Knee is a comprehensive, integrated knee system.
The ATTUNE Knee is one of the largest research and development projects in the history of DePuy Synthes Joint Reconstruction and combines the latest in design, kinematics, engineering and materials to deliver stability and motion.
SOFCAM™ Contact
The proprietary S-curve of the SOFCAM™ Contact is designed to provide a smooth engagement for gradual femoral rollback and stability in flexion, while reducing stresses transferred to the tibial spine.6
LOGICLOCK™ Tibial Base
The LOGICLOCK™ Tibial Base has a patented central locking design that provides the architecture for the system that improves kinematics, while reducing backside micromotion to the lowest reported levels in the industry.2
ATTUNE GRADIUS™ Curve
The patented ATTUNE GRADIUS™ Curve is the gradually reducing femoral radius designed to provide a smooth transition from stability to rotational freedom through a patient's range of motion.3
INTUITION™ Instruments
The INTUITION™ Instruments combine the surgical process with intuitive and efficient instruments to allow the surgeon to balance the soft tissue and precisely control the implant position and fit for each patient.
GLIDERIGHT™ Articulation
The GLIDERIGHT™ Articulation encompasses a trochlear groove designed to accommodate patient variation and soft tissue interaction, and patella components designed to improve patella tracking while maintaining bone coverage.4
Tibial Base with the ATTUNE S+™ Technology
The ATTUNE S+™ Technology is designed to enhance tibial fixation with its innovative combination of macrolock features and a microblast surface finish on the tibial base. These features are designed to provide improved residual pull off strength under a range of simulated intra-operative conditions and the presence of lipid infiltration.5
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References
- Clatworthy, M. (2015). An Early Outcome Study of the ATTUNE™ Knee System vs. the SIGMA™ CR150 Knee System. DePuy Synthes Companies White Paper. 178520-210531 DSUS. In an IRB approved early outcomes study, physiotherapists collected data on 40 patients implanted with ATTUNE™ Knees and 40 patients with SIGMA™CR150 knees. The results demonstrated that patients implanted with the ATTUNE Knee had statistically significant improvements in some early outcomes, other outcomes demonstrated a trend favoring the ATTUNE Knee, and some outcomes were equivalent.
- Leisinger S, Hazebrouck S, Deffenbaugh D, Heldreth M. Advanced Fixed Bearing TKA Locking Mechanism Minimizes Backside Micromotion. International Society for Technology in Arthroplasty (ISTA) Annual Meeting. 2011.
- Clary, CW, Fitzpatrick, CK, Maletsky, LP, Rullkoetter, PJ. Improving Dynamic Mid-stance Stability: An Experimental and Finite Element Study. University of Denver, Denver, CO; DePuy Orthopedics, Warsaw, IN; University of Kansas, Lawrence, KS
- Clary, C.W., Wright, A.P., Komosa, M.C., Maletsky, L.P. (2012b). The effect of patella medialization on patellofemoral kinematics after total knee replacement. 18th Congress of the European Society of Biomechanics (ESB); 29: 1262.
- Maag C, Peckenpaugh E. Metcalf A, Haines A, Dun S, Langhorn, J, Heldreth M. Influence of intra-operative lipid/marrow infiltration and intra-operative motions upon cemented tibial implant fixation. Poster presented at: 18th EFORT Congress. May 31–June 2, 2017; Vienna, Austria. Poster No. 1239.
- Fitzpatrick, C.K., Clary, C.W., Rullkoetter, P.J. (2012a). Post-cam engagement during dynamic activity with current posterior-stabilized TKR. 18th Congress of the European Society of Biomechanics (ESB), 1700: 29.