Prior to use in stereotactic biopsy of the left cerebral peduncular, a biopsy needle was discovered before it was used on the patient to have a defect.This needle has a puck with a set screw that serves as a depth gauge.The set screw when fully tightened did not engage the needle so there was no way to lock the puck in place.There was a delay of about 15 minutes as the nurse attempted to get a replacement from case carts.The biopsy needle was given to the supply specialist who has arranged for the medtronic representative to pick the needle up today for return to medtronic for inspection.
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