MAUDE Adverse Event Report: KARL LEIBINGER MEDIZINTECHNIK GMBH & CO. KG TWIST DRILL

Model Number	50-022-01-07
Medical Device Problem Codes	Break (1069); Use of Device Problem (1670)
Health Effect - Clinical Code	Laceration(s) (1946)
Date of Event	07/05/2018
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).Multiple mdr reports were filed for this event, please see associated report: mdr 9610905-2018-00170.Reference exemption number e2017029.
Event or Problem Description
It was reported a twist drill broke and cut the surgeon's finger.Twist drill was being used at 40,000 rpm.It is stated in ifu 90-274-92-40 "twist drills are not designed to be used at speeds in excess of 5000 rpm.".
Additional Manufacturer Narrative
An investigation was performed using a stereo microscope revealed tensile cracks.Further observation determined there were no indications of material or manufacturing defects.The complaint percentage was calculated, and it is determined that the complaint percentage falls within the design risk limits adhered to at klm.During the investigation the product lot number identified was reviewed in the device history records.The dhr review showed no discrepancies or anomalies.The investigation results conclude that the root cause for breakages were due to structural failure of the device due to mechanical overload.If further information is obtained that might add value to the contents of the investigation report, an additional follow-up report will be submitted.Multiple mdr reports were filed for this event, please see associated report: mdr: 9610905-2018-00170.

• Brand Name: TWIST DRILL
• Common Device Name: DRILL
• Manufacturer (Section D): KARL LEIBINGER MEDIZINTECHNIK GMBH & CO. KG; kolbinger strabe 10; muhlheim/donau 78570 ; GM 78570
• MDR Report Key: 7732793
• Report Number: 9610905-2018-00149
• Device Sequence Number: 2542492
• Product Code: HTW
• UDI-Device Identifier: 00888118101327
• UDI-Public: (01)00888118101327
• Combination Product (Y/N): N
• Initial Reporter State: LA
• Initial Reporter Country: US
• PMA/510(K) Number: CLS 1 EXEMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 07/05/2018
• Report Date (Section F): 07/05/2018

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: Health Professional
• Device Model Number: 50-022-01-07
• Device Lot Number: 33199531
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 07/20/2018
• Was the Report Sent to FDA?: Yes
• Distributor Facility Aware Date: 09/14/2018
• Event Location: Hospital
• Date Report to Manufacturer: 07/05/2018
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/05/2018
• Supplement Date Received by Manufacturer: 09/14/2018
• Initial Report FDA Received Date: 07/30/2018
• Supplement Report FDA Received Date: 10/05/2018
• 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