MAUDE Adverse Event Report: ARTHREX, INC. LEFTY TIGHTY LAG SCREW Ø10.5 MM X 85MM; ROD, FIXATION, INTRAMEDULLARY AND ACCESSORIES

Model Number	LEFTY TIGHTY LAG SCREW Ø10.5 MM X 85MM
Medical Device Problem Code	Device Dislodged or Dislocated (2923)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	04/29/2024
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The contribution of the device to the reported event could not be determined as the device was not returned for evaluation.The root cause of the event could not be determined from the information available and without device evaluation.If the device becomes available for evaluation, a follow-up report will be submitted.
Event or Problem Description
On 04/29/2024, it was reported by a sales representative via email that an 1192-085 telescoping lag screw left unthreaded intraoperatively.Additional information requested.
Additional Manufacturer Narrative
Based on the information provided which may include the device (if available and returned), pictures, videos, event description, and any additional information from the field, arthrex was able to conclude a most likely cause.The most likely cause for the reported failure can be attributed to user error of the device due to excessive force being used during insertion of the screw.

• Brand Name: LEFTY TIGHTY LAG SCREW Ø10.5 MM X 85MM
• Common Device Name: ROD, FIXATION, INTRAMEDULLARY AND ACCESSORIES
• 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: 19403863
• Report Number: 1220246-2024-04013
• Device Sequence Number: 12499181
• Product Code: HSB
• UDI-Device Identifier: 00848665036527
• UDI-Public: 00848665036527
• Combination Product (Y/N): N
• Initial Reporter State: SC
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Distributor
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 07/02/2025

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: LEFTY TIGHTY LAG SCREW Ø10.5 MM X 85MM
• Device Catalogue Number: 1192-085
• Device Lot Number: 220955
• Was Device Available for Evaluation?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/29/2024
• Supplement Date Received by Manufacturer: 06/09/2025
• Initial Report FDA Received Date: 05/28/2024
• Supplement Report FDA Received Date: 07/02/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 07/15/2022
• Is the Device Labeled for Single Use? (Y/N): Yes
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown