MAUDE Adverse Event Report: STRYKER GMBH EXTRACTOR ASNIS III FOR SCREWS:Ø4.0MM AO FITTING; ORTHOPEDIC MANUAL SURGICAL INSTRUMENT

Model Number	702496
Medical Device Problem Codes	Break (1069); Fracture (1260)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/07/2022
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: "the tip broke during an extraction surgery after bone fusion.All the debris were removed from the patient.".
Additional Manufacturer Narrative
The reported event could be confirmed, since the device was returned for evaluation and matches the alleged failure mode.The device inspection revealed the following: the visual inspection has shown that the tip of the extractor is broken off, the fragment was not returned for investigation.The lateral view of the fracture shows that the fracture face is oblique, which is an indication for lateral stress when the breakage occurred.The microscopic inspection shows that the fracture face has the typical view of brittle overload fracture with a shear lip on one side.The visible shear lip also indicates that the device was exposed to high lateral forces when it broke.Furthermore, a hardness test according to rockwell on the returned item indicates the material being in accordance to the values in the material specification.A review of the device history for the reported lot did not indicate any abnormalities.No corrective actions are required at this time.A review of the labeling did not indicate any abnormalities.No indications of material, manufacturing or design related problems were found during the investigation.Based on investigation, the root cause was attributed to be user related.The breakage shows typical signs of an overload fracture cased by high torsional and lateral loads.If more information is provided, the case will be reassessed.
Event or Problem Description
As reported: "the tip broke during an extraction surgery after bone fusion.All the debris were removed from the patient.".

• Brand Name: EXTRACTOR ASNIS III FOR SCREWS:Ø4.0MM AO FITTING
• Common Device Name: ORTHOPEDIC MANUAL SURGICAL INSTRUMENT
• 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: 16099340
• Report Number: 0008031020-2023-00003
• Device Sequence Number: 6559199
• Product Code: LXH
• UDI-Device Identifier: 04546540112415
• UDI-Public: 04546540112415
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Distributor
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 02/21/2023

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: 702496
• Device Catalogue Number: 702496
• Device Lot Number: 11606Y
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 12/27/2022
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 12/09/2022
• Supplement Date Received by Manufacturer: 01/25/2023
• Initial Report FDA Received Date: 01/04/2023
• Supplement Report FDA Received Date: 02/21/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/19/2018
• 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 Sex: Unknown