| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Removal of internal fixation device of vertebra | Is a | Removal of spinal fixation system | false | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Is a | Removal of internal fixation device | true | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Method | Surgical action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Procedure site | Bone structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Procedure site | Bone structure of spine | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Method | Removal - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Is a | Operation on trunk | false | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Is a | Procedure on vertebra | false | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Direct morphology | Clinical equipment and/or device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Procedure site | Spinal structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Method | Surgical removal - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Is a | Operation on vertebra | false | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Is a | Surgical removal | false | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Procedure site - Indirect | Bone structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Direct device | Biomedical device | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Removal of internal fixation device of vertebra | Method | Removal - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Method | Removal - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Procedure site - Indirect | Spinal structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Is a | Operative procedure on spinal structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Method | Surgical removal - action | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Method | Surgical removal - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Procedure site - Indirect | Bone structure of vertebra | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Method | Surgical removal - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Procedure site - Indirect | Bone structure of vertebra | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Removal of internal fixation device of vertebra | Is a | Removal of spinal fixation system | false | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Is a | Removal of implant from vertebra | true | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Is a | Removal of internal spinal fixation system | true | Inferred relationship | Existential restriction modifier |  |  | 
| Removal of internal fixation device of vertebra | Direct device | Internal spinal fixation system | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Removal of internal fixation device of vertebra | Procedure site - Indirect | Bone structure of vertebra | true | Inferred relationship | Existential restriction modifier | 2 |  |