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Related Experiment Video

Updated: Dec 29, 2025

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How I do it: step-by-step BacJac™ posterior interspinous spacer placement.

J Casagrande1, E Agosti2, P Veiceschi1

  • 1Neurosurgery, Department of Biotechnology and Life Sciences, University of Insubria, Ospedale di Circolo e Fondazione Macchi, Varese, Italy.

Acta Neurochirurgica
|February 2, 2020
PubMed
Summary

The BacJac™ device offers a safe and effective mini-invasive treatment for degenerative lumbar spine disease. This posterior interspinous spacer restores foraminal heights by blocking vertebral segments in extension.

Keywords:
Interspinous spacerLumbar instabilityMinimally invasive spine surgeryNeurogenic claudicationPosterior distraction

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Area of Science:

  • Spine surgery
  • Orthopedic devices
  • Degenerative spine disease

Background:

  • Degenerative lumbar spine diseases require effective treatment options.
  • Posterior interspinous spacers are utilized for specific spinal conditions.
  • Restoring foraminal height is crucial for alleviating symptoms.

Purpose of the Study:

  • To describe the surgical technique for the BacJac™ posterior interspinous spacer.
  • To analyze patient selection and define indications for the procedure.
  • To evaluate the safety and efficacy of the BacJac™ device.

Main Methods:

  • Detailed step-by-step description of the surgical procedure.
  • Analysis of pre-operative patient selection criteria.
  • Inclusion of surgical tips and potential pitfalls.
  • Provision of a high-quality video demonstrating the surgical technique.

Main Results:

  • The BacJac™ device effectively blocks the metameric vertebral segment in terminal extension.
  • Foraminal heights are restored through the use of this device.
  • The procedure is characterized as mini-invasive.

Conclusions:

  • The BacJac™ interspinous device provides a safe and effective treatment modality.
  • It is indicated for selected cases of degenerative lumbar spine disease.
  • This approach offers a mini-invasive solution for spinal conditions.