MAUDE Adverse Event Report: K2M, INC. POLYAXIAL SCREW; Ø4.5X28 MM; POSTERIOR CERVICAL SCREW SYSTEM

Catalog Number	7601-04528
Medical Device Problem Code	Fracture (1260)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	02/02/2026
Type of Reportable Event	Malfunction
Event or Problem Description
No new information.
Additional Manufacturer Narrative
H6 coding has been updated to reflect completion of the investigation.
Event or Problem Description
A company representative reported that the neck of a yukon polyaxial screw fractured approximately four months post-operatively.Revision surgery has not taken place nor been scheduled.

• Brand Name: POLYAXIAL SCREW; Ø4.5X28 MM
• Common Device Name: POSTERIOR CERVICAL SCREW SYSTEM
• Manufacturer (Section D): K2M, INC.; 600 hope parkway se; leesburg VA 20175
• Manufacturer (Section G): K2M, INC.; 600 hope parkway se; leesburg VA 20175
• Manufacturer Contact: catherine devarenne ; 2 pearl court; allendale, NJ 07401 ; 2017608000
• MDR Report Key: 24454229
• Report Number: 3004774118-2026-00053
• Device Sequence Number: 21369500
• Product Code: NKG
• UDI-Device Identifier: 10888857349803
• UDI-Public: 10888857349803
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K171444
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 03/09/2026

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: 7601-04528
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 02/02/2026
• Supplement Date Received by Manufacturer: 03/09/2026
• Initial Report FDA Received Date: 02/26/2026
• Supplement Report FDA Received Date: 03/09/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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