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The usage of the three-dimension distractor in the NAVID system for plagiocephaly—three case reports

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Abstract

Background

Distraction osteogenesis is a standard method for craniosynostosis. However, the technique using conventional devices still has some disadvantages, especially for anterior or posterior plagiocephaly with complex deformities. In the Nakajima’s angle-variable internal distraction (NAVID) system originally for maxillary surgeries, the cranial three-dimension (D) distractor with three dimensionally movable joint at the anterior arm has been developed recently in order to prevent the interference in the distraction process and excessive force.

Case reports

In this paper, we first reported two cases of anterior plagiocephaly, and one case of posterior plagiocephaly received distraction osteogenesis using new 3-D distractor in the NAVID system. In two cases of anterior plagiocephaly, the reshaping of supra-orbital bar in reference of simulating by the 3-D skull model was performed. In all cases, we fixed two paralleled 2-D distractors and a 3-D distractor in the upper frontal or parietal region.

Conclusion

Within the limitations of this study, we believe that the NAVID system is suitable for infant plagiocephaly due to the simple and small joint arm. Furthermore, the usage of the 3-D distractor would reduce the interference with 2-D distractors and easily lead to attainment of targeted distracting distance.

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Conflict of interest

We did not receive any equipment, materials, or financial support from outside, to conduct this study. None of the authors has a financial interest in any of the products, devices, or drugs mentioned in this article.

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Authors and Affiliations

  1. Department of Neurosurgery, Aichi Children’s Health and Medical Center, 7-426 Morioka-cho, Obu city, Aichi, 474-8710, Japan

    Hirokatsu Osawa, Mihoko Kato & Masamune Nagakura

  2. Department of Plastic & Reconstructive Surgery, Aichi Children’s Health and Medical Center, Obu city, Aichi, Japan

    Tsuyoshi Morishita

  3. Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan

    Goro Kondo & Michihiro Kurimoto

Authors
  1. Hirokatsu Osawa
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  2. Mihoko Kato
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  3. Masamune Nagakura
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  4. Tsuyoshi Morishita
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  5. Goro Kondo
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  6. Michihiro Kurimoto
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Correspondence to Hirokatsu Osawa.

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Osawa, H., Kato, M., Nagakura, M. et al. The usage of the three-dimension distractor in the NAVID system for plagiocephaly—three case reports. Childs Nerv Syst 31, 2387–2390 (2015). https://doi.org/10.1007/s00381-015-2817-0

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  • DOI: https://doi.org/10.1007/s00381-015-2817-0

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