Product complaint # (b)(4).Investigation summary: the device associated with this report was not returned, thus the reported event could not be confirmed.The investigation could not verify or identify any product contribution to the reported event with the information provided.Depuy synthes considers the investigation closed at this time.Should additional information be received, the information will be reviewed and the investigation may be re-opened as necessary.Territory 238 reports while trying to remove the drill bit from the drive shaft the drill bit broke off inside the driver shaft.Follow up information found the shaft was deemed to be deficient by spd staff.The device associated with this report was not returned.From the provided information it appears the drive shaft may have seized or jammed and the drill bit broke when trying to remove from the shaft.From the provided information it appears there is no allegation against the unknown drill bit.However, with no instrument returned and no more information, no root cause can be determined for this specific instrument.A search of the complaint database could not be conducted as the part and lot number was not provided.The investigation could not verify or identify any product contribution to the reported event with the information provided.Based on the inability to identify root cause, the need for corrective action was not indicated.Complaints will be monitored under post market surveillance sep 419.
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