MAUDE Adverse Event Report: KARL LEIBINGER MEDIZINTECHNIK GMBH & CO. KG LEVEL ONE CMF SCREW MAXDRIVE DRILL FREE; DRILL FREE SCREW

Model Number	25-879-07-91
Health Effect - Clinical Code	No Known Impact Or Consequence To Patient (2692)
Date of Event	11/15/2016
Type of Reportable Event	Serious Injury
Event or Problem Description
Surgeon was plating a left angle fracture.The surgeon pre-drilled a pilot hole using a right angle drill, and then proceeded to screw the implant with the drill free screw.The screw head broke off while being implanted into the patients mandible.No consequences to the patient due to the screw breaking off.
Additional Manufacturer Narrative
An investigation was performed using visual and stereo microscopic inspection of the screw head that was returned.Tensile cracks were observed under the stereo microscope.Further observation determined there were no indications of material or manufacturing defects.The device history records could not be reviewed since no lot number was provided.The results of the investigation conclude that the root cause for breakages were due to mechanical overload on the device.If further information is obtained that might add value to the contents of the investigation report, an additional follow-up report will be submitted.

• Brand Name: LEVEL ONE CMF SCREW MAXDRIVE DRILL FREE
• Common Device Name: DRILL FREE SCREW
• Manufacturer (Section D): KARL LEIBINGER MEDIZINTECHNIK GMBH & CO. KG; kolbinger strabe 10; muhlheim/donau, 78570 ; GM 78570
• MDR Report Key: 6147420
• Report Number: 9610905-2016-00045
• Device Sequence Number: 10890015
• Product Code: HRS
• UDI-Device Identifier: 00888118047793
• UDI-Public: (01)00888118047793
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K971297
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2016
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 11/15/2016

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Physician
• Device Model Number: 25-879-07-91
• Was Device Available for Evaluation?: Yes
• Type of Report(Section G): FDA Requested
• Initial Date Received by Manufacturer: 11/15/2016
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 12/06/2016
• Supplement Report FDA Received Date: 03/03/2017
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Age: 71 YR