MAUDE Adverse Event Report: ARTHREX, INC. KNEE SCORPION; MANUAL INSTR, GENERAL SURGICAL

Model Number	KNEE SCORPION
Medical Device Problem Code	Device Damaged by Another Device (2915)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/31/2025
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
On 04-feb-2026, it was reported by n arthrex subsidiary employee via (b)(4) that an ar-12990 knee scorpion had a broken needle in the instrument and was not working properly.No case involvement was reported.Additional information provided 06-feb-2026: it was further reported this discovered during use in a procedure with no patient harm.When attempting to use the instrument, it was not possible to do so, and the case was completed with another device.
Additional Manufacturer Narrative
Additional information: g3, h3, h6.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 improper bone prep; misaligned insertion; prying/leveraging the device during insertion.

• Brand Name: KNEE SCORPION
• Common Device Name: MANUAL INSTR, GENERAL SURGICAL
• 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: 24400124
• Report Number: 1220246-2026-00690
• Device Sequence Number: 9904976
• Product Code: NBH
• UDI-Device Identifier: 00888867196322
• UDI-Public: (01)00888867196322(11)240527(10)15254136
• Combination Product (Y/N): N
• Initial Reporter Country: CI
• PMA/510(K) Number: EXEMPT
• 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): 05/28/2026

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: KNEE SCORPION
• Device Catalogue Number: AR-12990
• Device Lot Number: 15254136
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/04/2026
• Supplement Date Received by Manufacturer: 05/26/2026
• Initial Report FDA Received Date: 02/20/2026
• Supplement Report FDA Received Date: 05/28/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 05/27/2024
• 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