MAUDE Adverse Event Report: ARTHREX, INC. KL 1.8 FIBERTAK, SHOULDER; NON-DEGRADABLE FIXATN FASTENER

Model Number	KL 1.8 FIBERTAK, SHOULDER
Medical Device Problem Code	Physical Resistance/Sticking (4012)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/10/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Investigation is in process.A follow-up report will be provided upon availability of additional information.
Event or Problem Description
It was reported that during an arthroscopic shoulder surgery the suture of the device did not shuttle.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
Additional information: d9, g3, h3, h6 the complaint allegation is confirmed.- one unpackaged ar-3636, batch 15518932, was received for investigation.- visual inspection noted fraying throughout the suture.- 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 of the device due to excessive force used during suture passing/tightening/tensioning.Per dfu-0054-eo - e.Warnings - 7.Avoid excessive impaction during anchor insertion as this could lead to inserter damage and/or breakage.If insertion resistance is encountered, do not impact harder.Replace the implant and repeat the drilling/insertion process.The most likely cause of the reported failure can be attributed to user error of the device due to improper bone preparation, incorrect surgical technique during the knotless mechanism conversion process, and/or an excessive force applied during suture passing/tightening /tensioning.

• Brand Name: KL 1.8 FIBERTAK, SHOULDER
• Common Device Name: NON-DEGRADABLE FIXATN FASTENER
• Manufacturer (Section D): ARTHREX, INC.; 1370 creekside boulevard; naples FL 34108 1945
• Manufacturer (Section G): ARTHREX, INC.; 1370 creekside boulevard; naples FL 34108 -194
• Manufacturer Contact: jared engle ; 8009337001-73216
• MDR Report Key: 24495170
• Report Number: 1220246-2026-01149
• Device Sequence Number: 13433191
• Product Code: MBI
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: K251809
• 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): 06/08/2026

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 Model Number: KL 1.8 FIBERTAK, SHOULDER
• Device Catalogue Number: AR-3636
• Device Lot Number: 15518932
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/11/2026
• Supplement Date Received by Manufacturer: 06/08/2026
• Initial Report FDA Received Date: 03/03/2026
• Supplement Report FDA Received Date: 06/08/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/23/2025
• 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 Sex: Unknown