Efficacy and Safety of SurgiFill™ on Spinal Fusion

Inclusion Criteria: 1. Patients who require spinal fusion 2. Adult patients aged 20 or older 3. Patients who voluntarily agreed to participate in this study and signed the informed consent form, and who do not fall into any of the exclusion criteria Exclusion Criteria: 1. Patients or their family members with a history of an, or an ongoing, autoimmune disease 2. Patients with a history of anaphylactic response 3. Patients with hypersensitivity to grafting materials 4. Patients with hypersensitivity to pig protein 5. Patients with osteomyelitis in the surgery area 6. Patients who are pregnant, breastfeeding, or planning to become pregnant 7. Patients with other tumors or a non-curable disease 8. Patients with a history of radiation therapy or cancer treatment within two years (Those who show normal or insignificant test results may be enrolled in this study and receive the SurgiFill™ injection based on the investigator's judgment.) 9. Patients with diabetes (Those who maintain a normal blood sugar level and did not develop complications may receive the SurgiFill™ injection based on the investigator's judgment, but the doctor's confirmation is required.) 10. Patients with an infection that required hospitalization for antibiotics or the administration of antiseptic agents 11. Patients who have been undergoing adrenocortical hormone therapy (Those who show normal or insignificant test results may be enrolled in this study and receive the SurgiFill™ injection based on the investigator's judgment.) 12. Patients with liver, heart, or kidney disease (Those who show normal or insignificant test results may be enrolled in this study and receive the SurgiFill™ injection based on the investigator's judgment. Hypertension patients are allowed.) 13. Patients who had been infected with a virus (Those who show normal or insignificant test results may be enrolled in this study and receive the SurgiFill™ injection based on the investigator's judgment.) 14. Patients with chronic renal failure or an endocrine system disease (Those who show normal or insignificant test results may be enrolled in this study and receive the SurgiFill™ injection based on the investigator's judgment.) 15. Patients who are considered inappropriate for participation in this study due to their condition (e.g., a mental illness) based on the investigator's judgment 16. Patients who had participated in another clinical trial (limited to those who participated in other studies on fracture within the last six months.)