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A novel method for safe and accurate placement of the rocker pins of head immobilization devices utilizing a digital caliber phantom: technical note

  • Mostafa M. E. AtteyaEmail author
  • Sherif Raslan
  • Mohamed Elkallaf
  • Mahmoud Salem Soliman
  • Muhammad Abbas AlQalla
Technical Notes

Abstract

Background

Immobilization of the head and skull by head immobilization devices (HIDs) is a common practice in neurosurgery. A variety of complications and morbidities are associated with pinning the skull during application of HIDs.

Objective

Our aim is to describe a new technique that avoids repeated puncturing of the head and skull during application of HIDs and hence avoiding the potential complications resulting from multiple re-adjustments.

Methods

We used a pre-adjusted digital millimetric caliber (DMC) as a phantom for the two rocker pins of the HID to mimic and simulate the process of skull pinning. Localization and preparation of the accurate skull pinning sites are safely guided by the pinning phantom.

Results

The technique was applied in different neurosurgical approaches. The pinning phantom was utilized to accurately locate the suitable pinning sites. Contrary to the common practice, there was no need for repeated head and skull puncturing. Minimal manipulations of the head and neck are exerted in this approach as compared with the usual techniques. The head of the patient is allowed to be kept safe on the operating table until the final one-time confident skull pinning by the sterilized skull clamp pins.

Conclusion

The process of scalp and skull pinning of HIDs is technically demanding. The DMC utilized as a pinning phantom is a useful technique which provides safe and confident application of the skull rocker pins of HIDs allowing the neurosurgeon to avoid multiple puncturing of scalp and skull and minimizing manipulations of the head and cervical spine.

Keywords

Head immobilization devices Skull clamp Mayfield holder Skull pinning Head clamp 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest in personal, financial, institutional or industry affiliations in any of the drugs, materials, or devices described in this article. The authors have no conflicts that may affect ethical adherence.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Mostafa M. E. Atteya
    • 1
    • 2
    Email author
  • Sherif Raslan
    • 1
  • Mohamed Elkallaf
    • 1
  • Mahmoud Salem Soliman
    • 3
  • Muhammad Abbas AlQalla
    • 1
  1. 1.Department of Neurosurgery, Faculty of MedicineHelwan UniversityHelwanEgypt
  2. 2.Department of Neurosurgery, Faculty of MedicineChildren’s Cancer Hospital Egypt (CCHE-57357)CairoEgypt
  3. 3.Department of Critical Care and Anesthesiology, Kasr Al Ainy School of MedicineCairo UniversityCairoEgypt

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