MAUDE Adverse Event Report: STRYKER GMBH DRILL BIT AXSOS 3 LOCKING, SHORT, Ø3.1 X 216MM; INSTRUMENT, SURGICAL, ORTHOPEDIC, AC-POWERED MOTOR AND ACCESSORY/ATTACHMENT

Model Number	705031S
Medical Device Problem Code	Mechanical Jam (2983)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/23/2023
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Once the investigation has been completed any additional information will be reported in a supplemental report.
Event or Problem Description
As reported: "when drilling through the locking sleeve, after drilling the front cortex, a strange sound was heard and the drill could not be pulled out.When the entire sleeve was pulled out, the drill came out with it, but the drill could not be pulled out of the sleeve.".
Additional Manufacturer Narrative
The reported event could be confirmed, since the product was returned for evaluation and matches the alleged failure mode.The device inspection revealed the following: the received drill show signs of usage.Fretting marks are visible on the surface of the drill where the drill and the sleeve comes in contact comes during usage as minimal clearance is provided between the drill and drill sleeve and repeated relative surface motion has led to fretting.The tip of the drill was also found deformed.The deformation happened most likely due to friction and torsional load.A review of the device history for the reported lot did not indicate any abnormalities.No corrective actions are required at this time.No indications of material, manufacturing or design related problems were found during the investigation.A review of the labeling did not indicate any abnormalities.Based on the investigation, with the extent of damage, it can be ascertained that the root cause of the issue is user related.The drill getting stuck inside the sleeve is a direct result of excessive friction between the drill and the sleeve due to a potential misalignment during use, leading to fretting.If any further information is provided, the complaint report will be updated.
Event or Problem Description
As reported: "when drilling through the locking sleeve, after drilling the front cortex, a strange sound was heard and the drill could not be pulled out.When the entire sleeve was pulled out, the drill came out with it, but the drill could not be pulled out of the sleeve.".

• Brand Name: DRILL BIT AXSOS 3 LOCKING, SHORT, Ø3.1 X 216MM
• Common Device Name: INSTRUMENT, SURGICAL, ORTHOPEDIC, AC-POWERED MOTOR AND ACCESSORY/ATTACHMENT
• Manufacturer (Section D): STRYKER GMBH; bohnackerweg 1; postfach; selzach 2545 ; SZ 2545
• Manufacturer (Section G): STRYKER GMBH; bohnackerweg 1; postfach; selzach 2545 ; SZ 2545
• Manufacturer Contact: anna jusinski ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 16766113
• Report Number: 0008031020-2023-00136
• Device Sequence Number: 6106098
• Product Code: HWE
• UDI-Device Identifier: 07613327083330
• UDI-Public: 07613327083330
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 07/11/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: 705031S
• Device Catalogue Number: 705031S
• Device Lot Number: 28973H
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/13/2023
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/23/2023
• Supplement Date Received by Manufacturer: 06/12/2023
• Initial Report FDA Received Date: 04/18/2023
• Supplement Report FDA Received Date: 07/11/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 08/03/2022
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Age: 70 YR
• Patient Sex: Male
• Patient Weight: 58 KG
• Patient Ethnicity: Non Hispanic
• Patient Race: Asian