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Cervical Dynamic Stabilization Interlaminar Technology Lumbar Dynamic Stabilization DSS™ Philosophy Product Features Indications Patient Cases

A - Reduction of Range of Motion




  • The spring stiffness reduces the range of motion in the lumbar spine.


    • Prof. H.-J. Wilke: Finite element analysis with a new dynamic stabilization system (DSS™ -coupler).
    Institute of Orthopaedic Research and Biomechanics, Ulm, Germany.



    B - Maintenance of Center of Rotation




  • The inner spring mechanism allows 2mm displacement.
  • In combination with the spring design the natural center of rotation is maintained.


    • Prof. H.-J. Wilke: Finite element analysis with a new dynamic stabilization system (DSS™ -coupler).
    Institute of Orthopaedic Research and Biomechanics, Ulm, Germany.


    C - Pedicle Displacement




  • Inner coupler mechanism allows 2mm pedicle displacement to maintain natural
    center of rotation
  • Non-physiological motion is limited
  • Hypermobility at the end range of motion (flexion and extension) is avoided
  • Spring mechanism is overload protected


    • Bryan W. Cunningham, MSc, Dennis Colleran, BS, Gwen E. Holsapple, BS, Karen A. Adams, BS, Paul
    McAfee, MD (2006): Lumbar Spine Kinematics – aRadiographic Assessment of the Change in
    Interpedicular Distance throughout the Range of Motion. SAS 6 Global Symposium on Motion
    Preservation Technology, Montreal. Orthopaedic Spinal Research Laboratory, St. Joseph Medical
    Center, Towson, Maryland, USA

    • Press
    • 29.03.2010
      PARADIGM SPINE
      COMPLETES ENROLLMENT
      IN PIVOTAL CLINICAL
      STUDY OF COFLEX®
      INTERLAMINAR TECHNOLOGY

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