| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Bladder retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Skin retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Right angle retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Balfour retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| O'Sullivan - O'Connor retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Kelly retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Ribbon retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Deaver retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Harrington retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Volkman retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Skin hook, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Senn retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Vaginal retractor, device (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Surgical hook | Is a | True | Retractor | Inferred relationship | Some |  | 
| Self-retaining surgical retraction system ring (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Lung spatula | Is a | True | Retractor | Inferred relationship | Some |  | 
| Fibreoptic retractor handle | Is a | False | Retractor | Inferred relationship | Some |  | 
| Self-retaining surgical retraction system (physical object) | Is a | False | Retractor | Inferred relationship | Some |  | 
| Retractor blade | Is a | False | Retractor | Inferred relationship | Some |  | 
| Disposable self-retaining retraction system | Is a | False | Retractor | Inferred relationship | Some |  | 
| Disposable self-retaining retraction system ring | Is a | False | Retractor | Inferred relationship | Some |  | 
| Disposable self-retaining retraction system hook | Is a | False | Retractor | Inferred relationship | Some |  | 
| Internally-anchored endotherapy retractor applier (physical object) | Is a | False | Retractor | Inferred relationship | Some |  | 
| Internally-anchored endotherapy retractor sleeve | Is a | False | Retractor | Inferred relationship | Some |  | 
| Vibrating dental retractor tip (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Dental retractor | Is a | True | Retractor | Inferred relationship | Some |  | 
| ENT retractor | Is a | True | Retractor | Inferred relationship | Some |  | 
| Laminectomy retractor, self-retaining | Is a | True | Retractor | Inferred relationship | Some |  | 
| Mastoid retractor, self-retaining | Is a | True | Retractor | Inferred relationship | Some |  | 
| Brain retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Neurosurgical retractor, self-retaining | Is a | True | Retractor | Inferred relationship | Some |  | 
| Orthopaedic retractor | Is a | True | Retractor | Inferred relationship | Some |  | 
| Plastic surgery retractor, self-retaining (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Rectal retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Scalp retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Thoracic retractor, self-retaining | Is a | True | Retractor | Inferred relationship | Some |  | 
| Bladder retractor, self-retaining (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Vessel retractor | Is a | True | Retractor | Inferred relationship | Some |  | 
| Meniscus retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Abdominal retractor, self-retaining, fixed | Is a | True | Retractor | Inferred relationship | Some |  | 
| Tracheal retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Brain decompression retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| självlåsande kirurgihake, flergångs | Is a | False | Retractor | Inferred relationship | Some |  | 
| Wound retractor, intermediate/deep (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Abdominal retractor, self-retaining, non-fixed (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Wound retractor, superficial | Is a | True | Retractor | Inferred relationship | Some |  | 
| Pelvis retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| självlåsande kirurgihake, engångs | Is a | False | Retractor | Inferred relationship | Some |  | 
| Internally-anchored endotherapy retractor | Is a | True | Retractor | Inferred relationship | Some |  | 
| Gastro-urological retractor, fibreoptic | Is a | True | Retractor | Inferred relationship | Some |  | 
| Vaginal rectocele reduction instrument | Is a | True | Retractor | Inferred relationship | Some |  | 
| Externally-anchored laparoscopic retractor | Is a | True | Retractor | Inferred relationship | Some |  | 
| Externally-anchored laparoscopic retraction thread | Is a | False | Retractor | Inferred relationship | Some |  | 
| Abdominal radial retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Abdominal retractor, hand-held (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Esophageal retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Coronary artery exposure retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| handhållen retraktor för kirurgi, flergångs | Is a | False | Retractor | Inferred relationship | Some |  | 
| Radial surgical retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| handhållen retraktor för kirurgi, engångs | Is a | False | Retractor | Inferred relationship | Some |  | 
| Hand-held endoscopic retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Robotic surgical retractor | Is a | True | Retractor | Inferred relationship | Some |  | 
| Self-retaining surgical retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  | 
| Hand-held surgical retractor (physical object) | Is a | True | Retractor | Inferred relationship | Some |  |