MAUDE Adverse Event Report: K2M, INC. DEFORMITY, UNIPLANAR SCREW; SIZE Ø6.5X45 MM; THORACOLUMBOSACRAL PEDICLE SCREW SYSTEM

Catalog Number	801-36545M
Medical Device Problem Code	Migration (4003)
Health Effect - Clinical Code	Pain (1994)
Date of Event	09/09/2021
Type of Reportable Event	Serious Injury
Event or Problem Description
A company representative reported that a patient was revised five days after implantation to address a rod migrated from a mesa deformity uniplanar screw.The patient reported experiencing lower back pain.
Additional Manufacturer Narrative
H3 other text : device remains implanted.
Event or Problem Description
A company representative reported that a patient was revised five days after implantation to address a rod migrated from a mesa deformity uniplanar screw.The patient reported experiencing lower back pain.
Additional Manufacturer Narrative
H6 coding has been updated to reflect completion of the investigation.

• Brand Name: DEFORMITY, UNIPLANAR SCREW; SIZE Ø6.5X45 MM
• Common Device Name: THORACOLUMBOSACRAL PEDICLE 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: rita karan ; 2 pearl court; allendale, NJ 07401 ; 2017608000
• MDR Report Key: 17376042
• Report Number: 3004774118-2023-00096
• Device Sequence Number: 20459684
• Product Code: NKB
• UDI-Device Identifier: 10888857140301
• UDI-Public: 10888857140301
• Combination Product (Y/N): N
• Initial Reporter Country: NL
• PMA/510(K) Number: K141873
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Distributor
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 11/01/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: 801-36545M
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 07/09/2023
• Supplement Date Received by Manufacturer: 10/03/2023
• Initial Report FDA Received Date: 07/24/2023
• Supplement Report FDA Received Date: 11/01/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• 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
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 18 YR
• Patient Sex: Male
• Patient Weight: 62 KG