The M6 Artificial Disc is designed to replicate the anatomic structure and biomechanical performance of a natural disc. Its innovative design incorporates an artificial nucleus to allow axial compression and a woven fiber annulus for controlled range of motion in all 6 degrees of freedom.
Artificial Cervical Disc
Artificial Disc Components
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Nucleus • Viscoelastic polymer designed to simulate native nucleus |
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Annulus • Ultra High Molecular Polyethylene (UHWMPE) fiber material |
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Sheath • Designed to minimize tissue in-growth & debris migration |
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Fixation • Titanium endplates with tri-keel design |
Quality of Motion
Biomechanical testing with the M6 artificial cervical disc has demonstrated equivalent Quality of Motion compared to the healthy disc. The innovative artificial fiber annulus and nucleus construct of the M6 is the critical component in replicating this physiologic motion, as it is designed to provide the necessary restraint and control needed throughout the spine's natural range of motion.
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Biomechanical results showing the M6 cervical disc (orange) maintained total ROM (13.5)
vs. the intact disc (13.3) with excellent Quality of Motion. The "kinematic signatures"
of the intact disc (grey) and M6 cervical disc are nearly identical. Patwardhan et al. Musculoskeletal Biomechanics Laboratory, Edward Hines Jr. VA Hospital, Hines, Illinois, USA |
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