MAUDE Adverse Event Report: STRYKER GMBH LOCKING SCREW,T8 FULL THREAD, 2.7MM/L22MM; SCREW, FIXATION, BONE

Catalog Number	656322S
Medical Device Problem Code	Positioning Failure (1158)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/29/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Additional information has been requested and if received, will be provided in the supplemental report.
Event or Problem Description
As reported: "variax 2 dr case during distal screw insertion, a 22mm locking screw was inserted into the second hole from the radial side.However, it failed to lock.An attempt was made to remove it, but the screw spun freely within the screw hole and could not be removed.As it could not be removed, the surgery was completed while the unlocked screw was left in place.".
Additional Manufacturer Narrative
The reported event could not be confirmed since the device was not returned for evaluation and no other evidences were provided.More detailed information about the complaint event as well as the affected device must be available in order to determine the root cause of the complaint event.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.If the device is returned or if any additional information is provided, the investigation will be reassessed.
Event or Problem Description
As reported: "variax 2 dr case during distal screw insertion, a 22mm locking screw was inserted into the second hole from the radial side.However, it failed to lock.An attempt was made to remove it, but the screw spun freely within the screw hole and could not be removed.As it could not be removed, the surgery was completed while the unlocked screw was left in place.".

• Brand Name: LOCKING SCREW,T8 FULL THREAD, 2.7MM/L22MM
• Common Device Name: SCREW, FIXATION, BONE
• 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: dannielle stap ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 23405625
• Report Number: 0008031020-2025-01999
• Device Sequence Number: 4902291
• Product Code: HWC
• UDI-Device Identifier: 07613327070729
• UDI-Public: (01)07613327070729(17)300520(10)100600716
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K180500
• 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): 02/03/2026

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 Catalogue Number: 656322S
• Device Lot Number: 100600716
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 09/29/2025
• Supplement Date Received by Manufacturer: 01/07/2026
• Initial Report FDA Received Date: 10/28/2025
• Supplement Report FDA Received Date: 02/03/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 05/21/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Age: 40 YR
• Patient Sex: Male
• Patient Weight: 142 KG