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	08/28/2017
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
H3 other text : device remains implanted.
Event or Problem Description
A physician reported that a patient was revised to address a loss of correction following mesa uniplanar screw slippage approximately seven years after implantation.Patient reportedly experienced pain.Fusion was achieved and the construct was lengthened to l4.
Additional Manufacturer Narrative
H6 coding has been updated to reflect completion of the investigation.
Event or Problem Description
A physician reported that a patient was revised to address a loss of correction following mesa uniplanar screw slippage approximately seven years after implantation.Patient reportedly experienced pain.Fusion was achieved and the construct was lengthened to l4.

• 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: 17715323
• Report Number: 3004774118-2023-00113
• Device Sequence Number: 6749475
• 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: 2016
• Device Explanted Year: 2023
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 12/20/2023

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?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 08/28/2023
• Supplement Date Received by Manufacturer: 11/21/2023
• Initial Report FDA Received Date: 09/08/2023
• Supplement Report FDA Received Date: 12/20/2023
• 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: 21 YR
• Patient Sex: Male