| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Operation of Ambu resuscitator | Using | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Operation of Ambu resuscitator | Direct device | True | Resuscitator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Cardiopulmonary resuscitation kit | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Resuscitation kit | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Resuscitation training model | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Resuscitation trolley, equipped | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Infant resuscitation cabinet | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Resuscitator face mask, reusable | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Resuscitation trolley, unequipped | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Resuscitator face mask, single-use | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Cardiac resuscitator band | Is a | True | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Cardiopulmonary resuscitation inspiratory impedance valve | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Cardiopulmonary resuscitation feedback device, electronic | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Cardiopulmonary resuscitation feedback device, manual | Is a | True | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Automatic pneumatic pulmonary resuscitator, reusable | Is a | False | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Pulmonary resuscitator | Is a | True | Resuscitator, device | Inferred relationship | Existential restriction modifier |  | 
| Resuscitator face mask | Is a | True | Resuscitator, device | Inferred relationship | Existential restriction modifier |  |