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The ATTUNE™ Medial Stabilized Knee System is designed to restore a patient’s natural knee kinematics for improved feel and function.1 Patients can benefit from the system’s medial stability1, function2, and versatility.3

The ATTUNE™ Medial Stabilized Knee System consists of the following design components to provide medial stability:  

  • The ATTUNE GRADIUS Curve is the gradually reducing femoral radius that is designed to address the unnatural sliding of the femur on the tibia, to provide smooth motion and stability during everyday activities.4
  • The LOGICLOCK™ Tibial Base uses a patented central locking design to optimize kinematics with the femur5
  • Asymmetric anatomic inserts featuring a raised medial lip provide medial stability and versatility9

Features & Benefits

Increased Medial Stability

Increased Medial Stability

Two design features deliver lower medial condyle movement both with and without PCL. Increased medial lip height results in 54% higher anterior jump height. Increased anterior conformity delivers stability, working in conjunction with the ATTUNE GRADIUS™ Curve.5

Optimizing Function to Replicate Natural Knee Kinematics

Optimizing Function to Replicate Natural Knee Kinematics

The TruARC™ Lateral Path optimizes lateral tibiofemoral kinematics to support smooth lateral rollback during flexion.2 Gradual recruitment of the MCL and the lower peak MCL strain, observed by the ATTUNE MS System, may lead to better functional outcomes.8,9*

Offering Versatility in Knee Replacement Procedures

Offering Versatility in Knee Replacement Procedures

The ATTUNE™ Medial Stabilized Knee System provides versatility to accommodate multiple PCL situations and support your surgical philosophy while providing enhanced stability. Additionally, when using a ATTUNE Medially Stabilized System, 37% more bone is preserved than in a typical PS construct.9

Outcomes & Evidence

 
Sagittal Plane Stability of Cruciate-Sacrificing Solutions

Explore how the ATTUNE™ Knee System provides optimal sagittal plane TF conformity demonstrated in a passive assessment concurrent with the least amount of femoral A-P translation.

TKA Implant and Soft-Tissue Interaction

Learn about how the ATTUNE™ Medial Stabilized Knee System demonstrates experienced medial pivot and smooth posterior roll-back motion characteristics, concurrent with soft-tissue harmony.

Sensitivity of Highly Constraining Ball-and Socket TKA to Tibial Rotational Alignment

Read about how the ATTUNE™ Medial Stabilized Knee System demonstrates less sensitivity to tray rotational placement than competitors.

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References

Both ATTUNE CR and MS implants demonstrated minimal Femoral AP Translation, which stayed constant.

The Persona MC experienced similar Medial AP Translations and ATTUNE CR and MS but the AP direction of translation was About 25 - 60 degrees of knee flexion.

The Triathlon CS experienced continuous anterior translation on both medial and lateral condyles with flexion.

The ATTUNE MS construct experienced the least amount of Medial condylar moment/excursion, with a significantly better stability score (above acceptable score of 3), and had the lowest of all flexion angles.

  1. DePuy Synthes, ATTUNE Fix Bearing Knee IFU, 2021, IFU 0902-00-902 Rev B, Windchill 103692631.
  2. Clary CW, Fitzpatrick CK, Maletsky LP, Rullkoetter PJ. Improving dynamic mid-stance stability: an experimental and finite element study. Poster presented at: Orthopaedic Research Society Annual Meeting; February 4-7, 2012; San Francisco, CA.
  3. Fitzpatrick CK, Clary CW, Rullkoetter PJ. The influence of design on TKR mechanics during activities of daily living. Poster presented at: Orthopaedic Research Society Annual Meeting; February 4-7, 2012; San Francisco, CA; poster 2034.
  4. Fisher DA, Parkin D. Advancing patient outcomes and economic value in total knee arthroplasty: the evidence of the ATTUNE Knee System. Internal Report M_US_DPS_JRKN_159739.
  5. Courtney P, Lee G. Early outcomes of kinematic alignment in primary total knee arthroplasty: a meta-analysis of the literature. J Arthroplasty. 2017;32:2028-2032.
  6. DePuy Synthes. Dwell point distance/lip heights in medial/non-medial pivoting implants, SEA103867522. Windchill 2021.
  7. DePuy Synthes. Design verification study: forward dynamics analysis, DKB simulation of the ATTUNE MS and CR designs, SEA103664945. Windchill 2021. 
  8. DePuy Synthes. Dwell point distance/lip heights in medial/non-medial pivoting implants, SEA103867522. Windchill 2021.
  9. DePuy Synthes. Design verification study: forward dynamics analysis, DKB simulation of the ATTUNE MS and CR
    designs, SEA103664945. Windchill 2021.

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