| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Prosthetic cardiac annuloplasty ring | Is a | True | Ring, device | Inferred relationship | Existential restriction modifier |  | 
| Stoma support ring | Is a | True | Ring, device | Inferred relationship | Existential restriction modifier |  | 
| Ophthalmic ring | Is a | True | Ring, device | Inferred relationship | Existential restriction modifier |  | 
| Fallopian tube ring | Is a | True | Ring, device | Inferred relationship | Existential restriction modifier |  | 
| Vitrectomy sutureless lens holding ring | Is a | True | Ring, device | Inferred relationship | Existential restriction modifier |  | 
| Constrictor rings for erectile dysfunction | Is a | True | Ring, device | Inferred relationship | Existential restriction modifier |  | 
| Annuloplasty ring | Is a | False | Ring, device | Inferred relationship | Existential restriction modifier |  | 
| Ring avulsion injury of finger | Causative agent | True | Ring, device | Inferred relationship | Existential restriction modifier | 1 | 
| Ring avulsion injury, class 1 | Causative agent | True | Ring, device | Inferred relationship | Existential restriction modifier | 1 | 
| Ring avulsion injury, class 2 | Causative agent | True | Ring, device | Inferred relationship | Existential restriction modifier | 1 | 
| Ring avulsion injury, class 3 | Causative agent | True | Ring, device | Inferred relationship | Existential restriction modifier | 1 | 
| Ring avulsion injury, class 4 | Causative agent | True | Ring, device | Inferred relationship | Existential restriction modifier | 1 | 
| Total replacement of hip joint using ring | Direct device | True | Ring, device | Inferred relationship | Existential restriction modifier | 1 | 
| Brachytherapy ring | Is a | True | Ring, device | Inferred relationship | Existential restriction modifier |  |