| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Radiographic-tomographic unit, device | Is a | True | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Radiographic-fluoroscopic unit, device | Is a | True | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Mobile image intensifier | Is a | True | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Barium enema kit | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Orthopedic x-ray ruler | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| X-ray film ruler | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Device associated with patient positioning systems | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Radiology examination/treatment chair | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Radiology table | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Device associated with radiographic films | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Radiation protection/limiting device | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Radiation measuring device | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Device associated with radiological systems | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Phantom | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Radiology mobile medical facility | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Device associated with gantries | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Device associated with contrast media | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Computer network router | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Computer network server | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Radiographic dental implant template | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Dental x-ray training model | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Endometrial-ablation hyperthermia control unit | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Magnetic nanoparticle tracer | Is a | False | Radiographic unit, device | Inferred relationship | Existential restriction modifier |  | 
| Checking position of nasogastric tube using X-ray | Using device | True | Radiographic unit, device | Inferred relationship | Existential restriction modifier | 2 |