| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Introduction of catheter into aorta, initial placement | Is a | Cannulation of artery | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Is a | Insertion of catheter into artery | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Is a | Aorta implantation | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Direct device | Vascular cannula | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Method | Implantation - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Introduction of catheter into aorta, initial placement | Direct device | Appliance | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Direct device | Catheter, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Procedure site | Aortic structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Introduction of catheter into aorta, initial placement | Method | Cannulation - action | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Introduction of catheter into aorta, initial placement | Procedure site | Arterial structure | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Introduction of catheter into aorta, initial placement | Using | Vascular cannula | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Procedure site | Body structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Introduction of catheter into aorta, initial placement | Using | Catheter, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Is a | Insertion of catheter into artery | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Method | Insertion - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Introduction of catheter into aorta, initial placement | Direct device | Catheter, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Direct device | Implant, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Introduction of catheter into aorta, initial placement | Method | Insertion - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Introduction of catheter into aorta, initial placement | Procedure site - Indirect | Aortic structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Introduction of catheter into aorta, initial placement | Direct device | Arterial catheter | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Introduction of catheter into aorta, initial placement | Method | Insertion - action | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Introduction of catheter into aorta, initial placement | Procedure site - Indirect | Aortic structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Introduction of catheter into aorta, initial placement | Direct device | Arterial catheter | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Introduction of catheter into aorta, initial placement | Is a | Insertion of catheter into aorta | true | Inferred relationship | Existential restriction modifier |  |  |