O-arm failure traps patient prone on a Jackson table

Sergey Pisklakov, John K. Houten, Murray Echt, Angelika Kosse, Apolonia E. Abramowicz

Research output: Contribution to journalArticlepeer-review


The O-arm Surgical Imaging System (Medtronic Sofamor Danek, Memphis, TN, USA) is an increasingly popular tool for spinal surgical procedures that allows for intraoperative acquisition of multi-dimensional spinal imaging that can be used either to confirm placement of spinal instrumentation or to guide spinal screw placement in conjunction with a navigation system. The machine is typically placed open from the side of the patient positioned prone on the Jackson spinal table (Mizuho OSI, Union City, CA, USA) and then closed to complete a ring around the patient to acquire images. A failure of the O-arm opening mechanism can lead to a patient becoming effectively trapped within the device with limited physician access to the patient's body, a situation that may be remedied by using a manual opening procedure. This report highlights a patient safety issue encountered when a mechanical failure of the O-arm occurred and one of the two tools required for its manual opening was missing. We describe the improvised method employed to successfully open the device.

Original languageEnglish (US)
Pages (from-to)1365-1366
Number of pages2
JournalJournal of Clinical Neuroscience
Issue number8
StatePublished - Aug 1 2015


  • Image-guided surgery
  • Navigation
  • O-arm
  • Patient safety
  • Pedicle screw
  • Spinal surgery

ASJC Scopus subject areas

  • Surgery
  • Neurology
  • Clinical Neurology
  • Physiology (medical)


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