| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Insertion of ring pessary into vagina | Direct device | True | Ring pessary | Inferred relationship | Some | 1 | 
| Renewal of ring pessary in vagina | Direct device | False | Ring pessary | Inferred relationship | Some | 1 | 
| Removal of ring pessary from vagina | Direct device | False | Ring pessary | Inferred relationship | Some | 1 | 
| Ring polyvinyl chloride pessary 1.25cm thick, 100mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 110mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 50mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 53mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 56mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 59mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 62mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 65mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 68mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 71mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 74mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 77mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 80mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 85mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 90mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polyvinyl chloride pessary 1.25cm thick, 95mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 100mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 50mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 53mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 56mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 59mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 62mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 65mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 68mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 71mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 74mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 77mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 80mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 85mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 90mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Ring polythene pessary 7.5mm thick, 95mm diameter | Is a | False | Ring pessary | Inferred relationship | Some |  | 
| Renewal of ring pessary in vagina | Direct device | True | Ring pessary | Inferred relationship | Some | 1 | 
| Removal of ring pessary from vagina | Direct device | True | Ring pessary | Inferred relationship | Some | 1 |