| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Endoscopy and catheterization | Is a | Catheterization | true | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopy and catheterization | Direct device | Appliance | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopy and catheterization | Direct device | Catheter, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopy and catheterization | Method | Implantation - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Endoscopy and catheterization | Procedure site | Body structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Endoscopy and catheterization | Using | Catheter, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopy and catheterization | Method | Insertion - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopy and catheterization | Direct device | Catheter, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopy and catheterization | Direct device | Implant, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopy and catheterization | Procedure device | Catheter, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopy and catheterization | Direct device | Catheter, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopy and catheterization | Is a | Endoscopic procedure | true | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopy and catheterization | Is a | Endoscopy | true | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopy and catheterization | Using access device | Endoscope, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopy and catheterization | Using device | Endoscope, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Endoscopy and catheterization | Method | Inspection - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Endoscopy and catheterization | Method | Insertion - action | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopy and catheterization | Using access device | Endoscope, device | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopy and catheterization | Direct device | Catheter, device | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopy and catheterization | Using device | Endoscope, device | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Endoscopy and catheterization | Method | Inspection - action | true | Inferred relationship | Existential restriction modifier | 2 |  |