Cervical Navigation Guides

FIREFLY ® Technology

The FIREFLY® Cervical Navigation Guide (CNG) is designed to optimize accurate, safe, and reproducible placement of C1 lateral mass, C2 pars/pedicle, and subaxial (C3-T3) cervical pedicle screws. This is achieved using unique, patient-specific guides that provide navigation that isn’t dependent on immobilization of the cervical motion segments. Used in place of, or in conjunction with subaxial lateral mass screws results in more robust constructs with superior screw fixation.[1]

Cervical Navigation Guides

Features and Benefits

RELIABLE NAVIGATION

Cervical pedicle screw trajectories can be difficult to achieve and reproduce without navigational aid, yet standard robotic or image guided navigation isn’t widely accepted within the cervical spine due to hypermobility and intervertebral movement. FIREFLY® CNG provides unsurpassed navigational accuracy that is independent of any intraoperative motion.

SAFE RESULTS

Subaxial cervical pedicle screw fixation is achieved using FIREFLY® CNG by mechanically constraining and directing the drill and tap along a safe, accurate, and reproducible trajectory. A complete surgical plan is presented with the patient-matched CNG prior to surgery to ensure a thorough understanding of the patient’s anatomy and optimized surgical precision.

ENHANCED BONE PURCHASE AND FIXATION

The cervical pedicle screw trajectories defined by FIREFLY® CNG provide optimized implant placement, length, fit, and fill when compared to traditional lateral mass screws. These pedicle screws have a mean pullout strength 4x greater than that of lateral mass screws[2] and also take advantage of fixation in more robust bone, enabling longer constructs that cross the cervical-thoracic junction.

1. 1. Ito Z, Higashino K, Kato S, Kim SS, Wong E, Yoshioka K, Hutton WC. Pedicle screws can be 4 times stronger than lateral mass screws
for insertion in the midcervical spine: a biomechanical study on strength of fixation. J Spinal Disord Tech. 2014 Apr;27(2):80-5
2. Ito Z, Higashino K, Kato S, Kim SS, Wong E, Yoshioka K, Hutton WC. Pedicle screws can be 4 times stronger than lateral mass screws
for insertion in the midcervical spine: a biomechanical study on strength of fixation. J Spinal Disord Tech. 2014 Apr;27(2):80-5

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