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.
US: CA, FL, CO, TX
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-1620-2024