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NKBClass 2

Thoracolumbosacral Pedicle Screw System

FDA adverse event reports and recall history for thoracolumbosacral pedicle screw system (product code NKB), from the public MAUDE/AEMS corpus and the live FDA recall database.

Total reports
24,535
Deaths
86
Injuries
14,300
Malfunctions
10,046

Reports per year

12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

Source: FDA adverse event reports by year received, 20122026. Reporting paused during the 2026 MAUDE-to-AEMS transition and has since resumed.

Recent recalls

  • 2025-11-07Open, ClassifiedProcess change control

    Virata Preassembled Polyaxial Screw, utilized in the Virata Spinal Fixation System. The following sizes are affected: 1. POLYAXIAL SCREW, CC, 5.5mm X 30mm; Item Number: TL1-10755030. 2. POLYAXIAL SCREW, CC, 5.5mm X 35mm; Item Number: TL1-10755035. 3. POLYAXIAL SCREW, CC, 5.5mm X 40mm; Item Number: TL1-10755040. 4. POLYAXIAL SCREW, CC, 5.5mm X 45mm; Item Number: TL1-10755045. 5. POLYAXIAL SCREW, CC, 5.5mm X 50mm; Item Number: TL1-10755050. 6. POLYAXIAL SCREW, CC, 6.5mm X 30mm; Item Number: TL1-10765030. 7. POLYAXIAL SCREW, CC, 6.5mm X 35mm; Item Number: TL1-10765035. 8. POLYAXIAL SCREW, CC, 6.5mm X 40mm; Item Number: TL1-10765040. 9. POLYAXIAL SCREW, CC, 6.5mm X 45mm; Item Number: TL1-10765045. 10. POLYAXIAL SCREW, CC, 6.5mm X 50mm; Item Number: TL1-10765050. 11. POLYAXIAL SCREW, CC, 6.5mm X 55mm; Item Number: TL1-10765055. 12. POLYAXIAL SCREW, CC, 6.5mm X 60mm; Item Number: TL1-10765060. 13. POLYAXIAL SCREW, CC, 7.5mm X 30mm; Item Number: TL1-10775030. 14. POLYAXIAL SCREW, CC, 7.5mm X 35mm; Item Number: TL1-10775035. 15. POLYAXIAL SCREW, CC, 7.5mm X 40mm; Item Number: TL1-10775040. 16. POLYAXIAL SCREW, CC, 7.5mm X 45mm; Item Number: TL1-10775045. 17. POLYAXIAL SCREW, CC, 7.5mm X 50mm; Item Number: TL1-10775050. 18. POLYAXIAL SCREW, CC, 7.5mm X 55mm; Item Number: TL1-10775055. 19. POLYAXIAL SCREW, CC, 7.5mm X 60mm; Item Number: TL1-10775060. 20. POLYAXIAL SCREW, CC, 8.5mm X 35mm; Item Number: TL1-10785035. 21. POLYAXIAL SCREW, CC, 8.5mm X 40mm; Item Number: TL1-10785040. 22. POLYAXIAL SCREW, CC, 8.5mm X 45mm; Item Number: TL1-10785045. 23. POLYAXIAL SCREW, CC, 8.5mm X 50mm; Item Number: TL1-10785050. 24. POLYAXIAL SCREW, CC, 8.5mm X 55mm; Item Number: TL1-10785055. 25. POLYAXIAL SCREW, CC, 8.5mm X 60mm; Item Number: TL1-10785060.

    Polyaxial screws do not meet performance standards.

  • 2025-08-08Open, ClassifiedLabeling Change Control

    Brand Name: PERLA TL MIS Product Name: CANNULATED FENESTRATED POLYAXIAL SCREW Model/Catalog Number: MPF-PS 65 40-S Software Version: Not Applicable Product Description: CANNULATED FENESTRATED POLYAXIAL SCREW Component: No

    Cannulated fenestrated polyaxial screws may be incorrectly labeled

  • 2025-08-08Open, ClassifiedLabeling Change Control

    Brand Name: PERLA TL MIS Product Name: CANNULATED FENESTRATED POLYAXIAL SCREW Model/Catalog Number: MPF-PS 55 45-S Software Version: Not Applicable Product Description: CANNULATED FENESTRATED POLYAXIAL SCREW

    Cannulated fenestrated polyaxial screws may be incorrectly labeled

  • 2024-12-23Open, ClassifiedNonconforming Material/Component

    Brand Name: Daytona Small Stature Product Name: CoCr LockingCap 4.5mm, Small Stature, T25, BT Model/Catalog Number: 79-0002 Software Version: N/A Product Description: Locking Cap Component: No

    Due to manufacturing defects observed on Locking Caps that affect the ability for components to mate.

  • 2024-12-23Open, ClassifiedNonconforming Material/Component

    Brand Name: Daytona Small Stature Product Name: Ti Locking Cap 4.5mm, Small Stature, T25 Model/Catalog Number: 79-0001 Software Version: N/A Product Description: Locking Cap Component: No

    Due to manufacturing defects observed on Locking Caps that affect the ability for components to mate.

  • 2024-10-17Open, ClassifiedProcess change control

    Cortera Spinal Fixation System Screw, Poly, Solid, 6.5mm x 45mm, REF: 150100-65045

    Spinal fixation system implant screws marked "DNI" are not intended to be implanted and may not have been manufactured in accordance with released manufacturing specifications, and if implanted the screws may not have adequate strength or performance.

  • 2024-05-03Open, ClassifiedProcess design

    PERLA TL 25D SCREW REF: TLF-DS 45 25-S TLF-DS 45 30-S TLF-DS 45 35-S TLF-DS 45 40-S TLF-DS 45 45-S TLF-DS 55 30-S TLF-DS 55 35-S TLF-DS 55 40-S TLF-DS 55 45-S TLF-DS 65 35-S TLF-DS 65 40-S TLF-DS 65 45-S TLF-DS 65 50-S The PERLA TL system is intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar, and sacral spine: degenerative disc disease (painful degeneration of the disc), spondylolisthesis, trauma, spinal stenosis, deformities (i.e. scoliosis, kyphosis, or lordosis), tumor and failed previous fusion (pseudarthrosis).

    Due to receiving information regarding difficulties with the insertion of a setscrew inside a screw head. Issues involved, either: 1. The setscrew is not tightened to torque 2. The setscrew is tightened to torque but position askew

  • 2024-04-23Open, ClassifiedNonconforming Material/Component

    Mariner RDX MIS Polyaxial Head, REF: MX1-001010, part of Mariner RDX MIS Alpha Instruments and Implants, REF: AMRDXMIS, which are pedicle screw systems.

    Screw heads, of pedicle screw systems, have partial thread within the screw head that pose a risk of intraoperative cross-threading within the locking cap/screw head interface.

  • 2024-04-22Open, ClassifiedNonconforming Material/Component

    Mariner RDX Polyaxial Head, REF: MX1-000020; Mariner RDX Extended Polyaxial Head, REF: MX1-000030; Mariner RDX Deformity Head, REF: MX1-000040; Mariner RDX Extended Deformity Head, REF: MX1-000050; Mariner RDX Trauma Head, REF: MX1-000060; Mariner RDX Extended Trauma Head. REF: MX1-000070, part of Mariner RDX Alpha Instruments and Implants, REF: AMRDX and Mariner RDX TD Alpha Implants, REF: AMRDXTD, which are pedicle screw systems.

    Screw heads, of pedicle screw systems, have thin lead-in thread that pose a risk of intraoperative cross-threading within the locking cap/screw head interface.

  • 2024-01-29Open, ClassifiedProcess control

    Cortera Spinal Fixation System, REF: 150100-85050. Spinal fixation screws labeled as 8.5 mm diameter, 50 mm length.

    Spinal fixation screws labeled as 8.5 mm diameter, 50 mm length were manufactured using an incorrect screw shank component, and so the labeling is incorrect because the affected screws are in fact 5.5 diameter, 45 mm length screws, which if used may lead to the screw not engaging.

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