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Updated: Jun 6, 2026

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[Dynamic posterior stabilization with the pedicle screw system DYNESYS®].

Othmar Schwarzenbach1, Ulrich Berlemann

  • 1dasRückenzentrum Thun, Thun, Schweiz. wsmedizin@dasRueckenzentrum.ch

Operative Orthopadie Und Traumatologie
|December 15, 2010
PubMed
Summary

The DYNESYS® system offers reliable dynamic spinal stabilization for lumbar instability, achieving good clinical results when used appropriately. This pedicle screw-based system allows for mobile restabilization, approximating normal motion patterns.

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Area of Science:

  • Spinal Surgery
  • Orthopedic Technology
  • Biomechanics

Background:

  • The DYNESYS® system is a pedicle screw-based device designed for dynamic spinal stabilization.
  • It aims to provide mobile restabilization, mimicking normal spinal motion patterns by substituting physiological restraints.

Purpose of the Study:

  • To evaluate the DYNESYS® system for mono- or multilevel lumbar spine stabilization.
  • To assess its efficacy in treating degenerative diseases with instability and spinal canal stenosis.

Main Methods:

  • The DYNESYS® system utilizes titanium alloy screws connected by a synthetic compound (PET band and PCU spacer).
  • Surgical technique involves a standard midline approach, screw placement, spacer sizing based on inter-screw distance, and system compression.
  • Postoperative management includes early mobilization and a return to strenuous activity after 8 weeks.

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Main Results:

  • The DYNESYS® system demonstrated good clinical results in the treatment of lumbar spine instability.
  • It is considered a reliable dynamic stabilization solution when applied to appropriate indications.

Conclusions:

  • The DYNESYS® system is a reliable option for dynamic lumbar spine stabilization.
  • Its effectiveness is confirmed by good clinical outcomes in correctly indicated cases.