| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Aorta cannula | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Coronary artery cannula | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Coronary sinus cannula | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Vena cava cannula | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Chorionic villus sampling catheter | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Peripheral vascular infusion/aspiration catheter | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Peripheral vascular infusion catheter | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Lumbar puncture needle | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Pacing lead extraction kit, reusable | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Peripheral vascular infusion/aspiration catheter, antimicrobial | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Liver biopsy procedure kit | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Pacing lead extraction kit, single-use | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Neural-tissue balloon catheter | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Cardioplegia cannula | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Catheter stylet | Is a | True | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Peritoneal catheter stylet | Is a | True | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Urological catheter stylet | Is a | True | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Nerve-locating anesthesia kit, continuous-administration | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Nasal hemostatic cannula | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Nerve-block blunt needle access cannula | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Nerve-block blunt needle/cannula kit | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Enteral tube tracking system | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Enteral tube tracking system visual display/control unit | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Enteral tube tracking system receiver | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Enteral tube tracking system transmitter stylet | Is a | True | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Interventional radiology percutaneous-access procedure kit | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Bone access cannula | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Pacing/defibrillation lead stylet, debridement | Is a | True | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Pacing/defibrillation lead stylet, extraction | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Intravascular stylet | Is a | True | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Bronchial tube stylet | Is a | True | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Needle stylet | Is a | True | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Endotracheal tube stylet, reusable | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Endotracheal tube stylet, single-use | Is a | False | Stylet, device | Inferred relationship | Existential restriction modifier |  | 
| Nasogastric/orogastric tube stylet | Is a | True | Stylet, device | Inferred relationship | Existential restriction modifier |  |