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Technical video
Removal of errant coils using the Tigertriever-13
  1. Shah Islam1,
  2. Ze'ev Itzakzonhayosh1,
  3. Emily Chung1,
  4. Andrew Falzon1,
  5. Hugo Andrade2,
  6. Pascal Mosimann1
    1. 1 Joint Department of Medical Imaging, Toronto Western Hospital Division of Neuroradiology, Toronto, Ontario, Canada
    2. 2 Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
    1. Correspondence to Dr Shah Islam; s.islam{at}imperial.ac.uk

    Abstract

    Coil migration poses a significant intraprocedural risk during coil embolization in interventional neuroradiology procedures. In this technical video we describe the technique of removal of errand coils using the low profile Tigertriever-13 device.1 Traditional methods of errant coil retrieval rely on the use of stent retrievers;2 however, these devices are usually too large to fit through smaller inner diameter 0.013–0.0165 inch coiling catheters, thus requiring upsizing materials in emergency situations.3 We demonstrate the technique of coil retrieval using this low-profile device ex-vivo in silicone flow models, then its application in vivo as a ‘bail-out’ technique during acute embolization of a ruptured peri-callosal aneurysm which required retrieval of errant coils (video 1).

    Video 1 Errant coil retrieval using the Tigertriever device
    • Coil
    • Aneurysm
    • Intervention
    • Device
    • Stent
    http://creativecommons.org/licenses/by-nc/4.0/

    This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

    https://doi.org/10.1136/jnis-2024-021923

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      Footnotes

      • X @DrShahIslam

      • Contributors All authors contributed to the preparation of this work.

      • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

      • Competing interests None declared.

      • Provenance and peer review Not commissioned; externally peer reviewed.

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