Sigma™ Access System
Sigma Pedicle-based Access System provides direct visualization of key anatomical landmarks creating a reproducible TLIF approach.
- Facilitates access to a collapsed disc space through vertebral body distraction
- Improves illumination with an integrated fiber optic light source
- Provides direct visualization of facet, pars, and lamina with a modular shank and blade
- Enables customized exposure with independent cranial and caudal retraction
- Supports differing patient pathology with surgeon-guided medial blade
- Streamlines assembly with quick-connect engagement