Abstract:A halo orthosis is a medical device used for restricting motion of the skull and cervical spine during accident and surgery recovery situations where minimal movement of the skull and spine is required for proper healing. Pin loosening is one of the most common complications with a commonly cited incident rate of 36%. The root cause of the loosening is related to changes in the skull geometry at the pin site and the inability of current halo systems to adapt to those changes. We hypothesize that the inability … Show more
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