| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Removal of tracheostomy tube | Direct device | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Changing tracheostomy tube | Direct device | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of tracheostomy tube | Direct device | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Bronchial suction via tracheostomy tube | Using | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Bronchial suction via tracheostomy tube | Using access device | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Changing tracheostomy tube | Direct device | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Changing tracheostomy tube | Direct device | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 3 | 
| Removal of tracheostomy tube | Direct device | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Bronchial suction via tracheostomy tube | Using access device | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Suction clearance of tracheostomy tube | Indirect device | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Bronchial suction via tracheostomy tube | Using access device | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Suction clearance of tracheostomy tube | Indirect device | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Changing tracheostomy tube | Direct device | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of tracheostomy tube | Direct device | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Tracheostomy tube submitted as specimen | Specimen source identity | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Oxygen administration transtracheal catheter | Is a | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostoma protector | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Cricothyrotome, reusable | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheal dilator | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy tube dressing | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheal hook | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Medical/surgical string | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostoma button | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheotome | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy kit, single-use | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Laryngectomy tube | Is a | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy tube holder | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy tube speech valve | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Cricothyrotome, single-use | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheal retractor | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy care kit | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy suction kit | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheal trocar | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy tube obturator | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy kit, reusable | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy tube decannulation cap | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy tube cannula, single-use | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Basic tracheostomy tube, reusable | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Basic tracheostomy tube, single-use | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Reinforced tracheostomy tube | Is a | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy tube cannula, reusable | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Operative tracheostomy tube | Is a | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostoma protective filter | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy tube cannula cleaning swab | Is a | False | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Tracheostomy tube submitted as specimen | Specimen substance | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 1 | 
| Tracheostomy tube cannula | Is a | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier |  | 
| Above cuff vocalisation | Using device | True | Tracheostomy tube, device | Inferred relationship | Existential restriction modifier | 3 |