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Related Experiment Videos

Posterior ventricular catheter burr-hole localizer. Technical note

P C Garell1, R Mirsky, M D Noh

  • 1Division of Neurosurgery, University of Iowa School of Medicine and University of Iowa Hospitals and Clinics, Iowa City 52242, USA.

Journal of Neurosurgery
|July 1, 1998
PubMed
Summary

A new posterior burr-hole localizer aids in optimal ventricular catheter placement for shunt surgery. Combined with a posterior catheter guide, it improves accuracy and reduces complications in hydrocephalus treatment.

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Area of Science:

  • Neurosurgery
  • Medical Devices
  • Hydrocephalus Management

Background:

  • Accurate ventricular catheter placement is crucial for shunt surgery success.
  • The posterior approach for ventricular catheter insertion can be challenging due to burr-hole site selection.
  • Existing methods using a posterior catheter guide (PCG) can still lead to placement errors.

Purpose of the Study:

  • To introduce and evaluate an easy-to-use posterior burr-hole localizer (Localizer) for optimizing ventricular catheter trajectory.
  • To assess the safety and efficacy of the Localizer in conjunction with the PCG for posterior ventricular catheter placement.

Main Methods:

  • The Localizer's design was based on geometric relationships between surface landmarks (ear, supraorbital rims) and ventricular anatomy.

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  • Neuronavigational imaging tools were used to formulate and test the Localizer's design principles.
  • The Localizer was prospectively evaluated in 28 patients undergoing shunt surgery with the PCG.

    • Main Results:

    • All 28 patients achieved successful catheter entry into the ventricle on the first attempt.
    • Postoperative imaging confirmed accurate placement in the ipsilateral anterior horn for all cases.
    • No catheter-related complications were reported during the study period.

    Conclusions:

    • The described posterior burr-hole localizer, when used with a posterior catheter guide, appears to be a safe and effective tool.
    • This combination may enhance the accuracy of posterior ventricular catheter placements in shunt surgeries.
    • Further studies are warranted to confirm these early findings in a larger patient cohort.