A medtronic representative reported that, while in a nasal skull base repair procedure, the site was able to place a shunt without issue.However, when attempting to add ent instruments into the cranial application software for the second portion of the procedure.It was then noticed by the representative that three ports on the interface box were not functioning.It was reported that the site could then not complete registration though the patient tracker was functioning.The representative then entered the ear, nose & throat (ent) application software without resolution as the probe could not be verified.The side emitter was then used without resolution.Functionality was restored as the instrument could eventually be performed.However, intermittent tracking was then noted when in the nav panes.There was a reported delay to the procedure of less than 1 hour due to this issue.There was no impact on patient outcome.No additional information was provided.
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