While performing the burr hole portion of the procedure, the disposable perforator malfunctioned.After perforating the skull, the surgeon was unable to remove it from the skull.The handpiece for the perforator, as well as other equipment that adapts to the perforator were used, but still unable to remove it."we used vice grips to remove the perforator gently as our last resort method." it was removed successfully without any visible untoward effects.The handpiece was tagged to removed from service and the remaining stock of that lot number was removed from the supply area.The perforator chuck from the instrument set was returned to stryker representative.The case was discussed with the neuro coordinator and consensus was that we have never had an issue with this disposable perforator before.
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