The OsteoStrand Plus Deformity Study

Inclusion Criteria: -≥18 years of age * Indicated for deformity correction surgery * Require spinal fusion at four or more levels * Are willing to return for follow-up visits * Willing to sign the Informed Consent Forms Exclusion Criteria: * Uncontrolled diabetes * Morbid obesity * history of alcohol or drug abuse * Corticosteroid use * Fever or leukocytosis * Systemic infection * Active malignancy * Elevation of white blood cell count * Osteoporosis * Disease of bone metabolism * Unsuitable or insufficient bone support * Skeletal immaturity * Prior fusion * Use of steroids, immune suppressants, osteoporosis medications * Use of internal bone stimulators * Institutionalized or a prisoner * Undergoing (Undergone) a worker's compensation case * Pregnancy (includes women who are currently pregnant, lactating or wishing to become pregnant during the study duration) * Participation in another research study involving another implant, product or drug that may affect the outcomes of this clinical study within the last 30 days, or planned during this clinical study * Any other condition that the Investigator determines is unacceptable for enrollment into this clinical study