Facet Wedge Post Market Study

Inclusion criteria

• Subjects diagnosed with at least one of the following:

• Degenerative Disc Disease (DDD);
• Degenerative facet joint disease (isolated facet based symptomatic back pain);
• Pseudoarthrosis post anterior instrumentation;
• Subjects who are a fusion candidate for single or multiple levels fusion between L1-S1;
• Subjects, who, in the opinion of the Investigator, are able to understand this clinical investigation, co-operate with the investigational procedures and are willing to return to the hospital for all the required post-operative follow-ups.

Exclusion criteria

Preoperative exclusion criteria:

• Segmental instability of the index level in case of planned stand-alone FACET WEDGE usage;
• Unilateral application , except in combination with pediclescrew fixation on the contralateral side;
• Compromised facets due to decompression techniques;
• Spondylolisthesis;
• Fracture or other instabilities of the posterior elements;
• Tumor;
• Acute or chronic systemic or localized spinal infections;
• Nursing mothers or women who are pregnant or plan to become pregnant during the time of the study;
• Subjects aged below 18 years;
• Subjects who, in the opinion of the Investigator, have an existing condition that would compromise their participation and follow-up in this clinical investigation;

Intraoperative exclusion criteria:

• Intraoperative decision to use implants other than the device under investigation.