MAUDE Adverse Event Report: ARTHREX, INC. LOW PROFILE LOCKING SCREW 3.5 MM X 16 MM; BONE FIXATION SCREW/PLATE

Model Number	LOW PROFILE LOCKING SCREW 3.5 MM X 16 MM
Medical Device Problem Code	Positioning Failure (1158)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/06/2024
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that during a lapidus surgery it was found that the thread of the screw head was faulty and did not hold inside the plate.Per complaint reporter there was no harm for patient, operator or third party.The surgery was finished successfully with a new device with the same part number.It was not necessary to switch the surgical technique or do a second surgery.
Additional Manufacturer Narrative
Investigation is in process.A follow-up report will be provided upon availability of additional information.
Additional Manufacturer Narrative
Additional information: d9, g3, h3, h6.Complaint is confirmed.Upon visual inspection, it was noted that the head of the low profile locking screw, titanium, 3.5 x 16 mm, sterile, im had damage around the thread's head.Dimensional testing did not find any issues.Functional testing was not performed due to the damage to the device.The most likely cause of the reported failure can be attributed to user error due to misaligned insertion and/or excessive force being used during insertion of the screw.

• Brand Name: LOW PROFILE LOCKING SCREW 3.5 MM X 16 MM
• Common Device Name: BONE FIXATION SCREW/PLATE
• Manufacturer (Section D): ARTHREX, INC.; 1370 creekside boulevard; naples FL 34108 1945
• Manufacturer (Section G): ARTHREX, INC.; 1370 creekside boulevard; naples FL 34108 1945
• Manufacturer Contact: jared engle ; 8009337001
• MDR Report Key: 20320321
• Report Number: 1220246-2024-07873
• Device Sequence Number: 7782493
• Product Code: HWC
• UDI-Device Identifier: 00888867050884
• UDI-Public: (01)00888867050884(11)240307(17)290228(10)15217306
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: K143614
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Company Representative
• Initial Reporter Occupation: Administrator/Supervisor
• Type of Report: Initial,Followup
• Report Date (Section B): 01/24/2025

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: LOW PROFILE LOCKING SCREW 3.5 MM X 16 MM
• Device Catalogue Number: AR-8935L-16S
• Device Lot Number: 15217306
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/20/2024
• Supplement Date Received by Manufacturer: 01/02/2025
• Initial Report FDA Received Date: 09/27/2024
• Supplement Report FDA Received Date: 01/24/2025
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 03/07/2024
• 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 Sex: Unknown