This is a post-market clinical follow-up study that use questionnaires such as Visual Analog Scale (VAS), the Neck Disability Index (NDI), or the Oswestry Disability Index (ODI) to compare the clinical improvement effects before and after surgery.

The purpose of study is to confirm the safety and and performance of the A-SPINE's products for using 2 years. This post-market clinical follow-up study use questionnaires such as Visual Analog Scale (VAS), the Neck Disability Index (NDI), or the Oswestry Disability Index (ODI) to evaluate the clinical improvement effects. Subjects will be evaluated at pre-operation, 6 months, 12 months, and 2 years post treatment. Finally, analyze the clinical outcome, fusion rate, and adverse events.

Inclusion Criteria:

• Subject is above 20 years of age;
• Subject is indicated for A-SPINE Spinal Fixation System;
• Subject is willing and able to provide informed consent to participate in the study;
• Subject is willing and able to understand the purpose of the study, his/her role, and is available to return to the clinic/hospital for all required follow-up visits.

Exclusion Criteria:

• Subjects will be excluded if, in the opinion of the Investigator, the subject does not qualify based on approved labeling requirements or Subject Inclusion Criteria.

The patients have implanted an A-SPINE device to stabilize the spine and/or restore the height of disc.