Cuff leak noted during transfer of patient down in ct scanner.Oxygenation maintained during transfer back to icu.Noted that middle of tubing there was a clean cut hole that was positional in nature when assessing cuff pressures.When tubing was straight hold was closed but when bent would open cuff pressures decreased.Concern that a similar event thought to be a patient biting through balloon but appearance of tubing may imply manufacture issue if events are apparent in other areas.Tube was thrown away after tube exchange.Fda safety report id# (b)(4).
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