This study will collect clinical and radiographic data on the Freedom Cervical Disc to monitor the device's safety and performance as part of a post-market evaluation.
Who can participate
Age range21 Years – 65 Years
SexALL
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Inclusion Criteria:
* Skeletally mature males or females, aged 21 to 65 years old, inclusive.
* Single, or adjacent, 2-level degenerative disc disease at C3-C7, inclusive.
* Subject is a surgical candidate for an anterior approach to the cervical spine.
* Minimum of 6 weeks of unsuccessful conservative treatment.
* Subject with at least moderate preoperative pain and functional impairment
* Subject is mentally and physically able to comply with protocol, postoperative compliance instructions, and follow-up schedule through 2-years.
* Subject must understand and sign the written Informed Consent form.
Exclusion Criteria:
* Subject with axial neck pain only who does not demonstrate concurrent arm pain or progressive neurological deterioration (specifically numbness or muscle weakness in the arm).
* An active infection at the operative site or active systemic infection at the time of surgery.
* Known or suspected allergy to titanium, polyurethane, cobalt, chromium, molybdenum or silicone.
* Previous spinal fusion at the involved, or adjacent, cervical level(s).
* Congenital or acquired structural defect at the operative levels (s) or their immediately adjacent level(s).
* Significant osteoporosis in the cervical spine.
* The investigator should assess if the subject has any of the following conditions at the index or adjacent level(s) which excludes the subject from study participation:
* Cervical facet degeneration of the involved C3-C7 levels.
* Previous trauma to, or fusio…