MAUDE Adverse Event Report: K2M, INC. UNKNOWN_K2M_PRODUCT; POSTERIOR CERVICAL SCREW SYSTEM

Catalog Number	UNK_SPE
Medical Device Problem Codes	Fracture (1260); Migration (4003)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/08/2024
Type of Reportable Event	Malfunction
Event or Problem Description
A company representative reported that two yukon polyaxial screws fractured post-operatively.Revision surgery has not been performed.This report captures the first of two yukon polyaxial screws.
Event or Problem Description
A company representative reported one yukon polyaxial screw fractured at t1 post-operatively.Revision surgery has not been performed.
Additional Manufacturer Narrative
Corrected data: b5, d1, g1.H6 coding has been updated to reflect completion of the investigation.
Event or Problem Description
A company representative reported that one yukon polyaxial screw fractured at t2 and one yukon set screw migrated approximately 6 months post-operatively.Revision surgery has not been performed.This report captures the set screw.

• Brand Name: UNKNOWN_K2M_PRODUCT
• 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: matthew kelleher ; 2 pearl court; allendale, NJ 07401 ; 2017608000
• MDR Report Key: 20865204
• Report Number: 3004774118-2024-00139
• Device Sequence Number: 8831544
• Product Code: NKG
• UDI-Device Identifier: 10888857349797
• UDI-Public: 10888857349797
• Combination Product (Y/N): N
• Initial Reporter State: NC
• Initial Reporter Country: US
• PMA/510(K) Number: K171444
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 04/02/2025

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 Catalogue Number: UNK_SPE
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 11/08/2024
• Supplement Date Received by Manufacturer: 12/11/2024; 03/28/2025
• Initial Report FDA Received Date: 12/06/2024
• Supplement Report FDA Received Date: 01/08/2025; 04/02/2025
• 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