| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Dilation and insertion of tube into esophagus (procedure) | Direct device | False | Tube | Inferred relationship | Some | 2 | 
| Endobronchial tube (physical object) | Is a | True | Tube | Inferred relationship | Some |  | 
| Esophageal tracheal double lumen supraglottic airway device (physical object) | Is a | True | Tube | Inferred relationship | Some |  | 
| svår intubation | Direct device | False | Tube | Inferred relationship | Some | 1 | 
| Intubation of respiratory tract (procedure) | Direct device | True | Tube | Inferred relationship | Some | 1 | 
| Intubation | Direct device | True | Tube | Inferred relationship | Some | 1 | 
| Digital assisted intubation (procedure) | Direct device | False | Tube | Inferred relationship | Some | 1 | 
| Dilation and insertion of tube into esophagus (procedure) | Direct device | True | Tube | Inferred relationship | Some | 2 | 
| oväntat svår intubation | Direct device | False | Tube | Inferred relationship | Some | 1 | 
| förväntat svår intubation | Direct device | False | Tube | Inferred relationship | Some | 1 | 
| Intubation AND aspiration | Direct device | True | Tube | Inferred relationship | Some | 1 | 
| byte av överföringsset för peritonealdialys | Direct device | False | Tube | Inferred relationship | Some | 1 | 
| Intubation using medication (procedure) | Direct device | True | Tube | Inferred relationship | Some | 1 | 
| Retrograde intubation (procedure) | Direct device | True | Tube | Inferred relationship | Some | 1 | 
| Assessment of ureterostomy tube | Direct device | True | Tube | Inferred relationship | Some | 1 | 
| Liposuction system | Is a | False | Tube | Inferred relationship | Some |  | 
| Neurosurgical suction regulator | Is a | False | Tube | Inferred relationship | Some |  | 
| Pneumatic trabeculoplasty system | Is a | False | Tube | Inferred relationship | Some |  | 
| Portable oxygen concentrator | Is a | False | Tube | Inferred relationship | Some |  | 
| Oxygen administration face tent (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Oxygen administration hood, adult | Is a | False | Tube | Inferred relationship | Some |  | 
| Oxygen administration tent, adult (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Nasal lavage system (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Partial-rebreathing oxygen face mask | Is a | False | Tube | Inferred relationship | Some |  | 
| Stationary oxygen concentrator | Is a | False | Tube | Inferred relationship | Some |  | 
| ventilatortillsats för spontanandning, flergångs | Is a | False | Tube | Inferred relationship | Some |  | 
| ventilatortillsats för spontanandning, engångs | Is a | False | Tube | Inferred relationship | Some |  | 
| Venturi oxygen face mask | Is a | False | Tube | Inferred relationship | Some |  | 
| Automatic pneumatic pulmonary resuscitator, reusable | Is a | False | Tube | Inferred relationship | Some |  | 
| reparationskit till trakeal pilottub | Is a | False | Tube | Inferred relationship | Some |  | 
| Tracheostomy mask, aerosol (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Tracheostomy mask, oxygen | Is a | False | Tube | Inferred relationship | Some |  | 
| Surgical fluid/gas irrigator | Is a | False | Tube | Inferred relationship | Some |  | 
| Surgical irrigation/aspiration system (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Surgical mist irrigation tip (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Therapeutic plasma exchange system set | Is a | False | Tube | Inferred relationship | Some |  | 
| andningsmunstycke, flergångs | Is a | False | Tube | Inferred relationship | Some |  | 
| andningsmunstycke, engångs | Is a | False | Tube | Inferred relationship | Some |  | 
| Bronchial tube stylet | Is a | False | Tube | Inferred relationship | Some |  | 
| Cold-air diagnostic inhalation system | Is a | False | Tube | Inferred relationship | Some |  | 
| kit för tillförsel/evakuering av kontrastmedel, bariumlavemang | Is a | False | Tube | Inferred relationship | Some |  | 
| handkontroll till injektionsspruta för kontrastmedel, kit | Is a | False | Tube | Inferred relationship | Some |  | 
| set för återvinning av fettvävnadsstamceller | Is a | False | Tube | Inferred relationship | Some |  | 
| Dental dry field device (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| munhåletork, kit | Is a | False | Tube | Inferred relationship | Some |  | 
| Dental ozone system handpiece | Is a | False | Tube | Inferred relationship | Some |  | 
| Dental suction system regulator | Is a | False | Tube | Inferred relationship | Some |  | 
| Dental/oral lavage system | Is a | False | Tube | Inferred relationship | Some |  | 
| Aerosol tent, adult | Is a | False | Tube | Inferred relationship | Some |  | 
| Airway obstruction suction extractor | Is a | False | Tube | Inferred relationship | Some |  | 
| Endotracheal tube cleaning brush (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| ledare för endotrakealtub, flergångs | Is a | False | Tube | Inferred relationship | Some |  | 
| ledare för endotrakealtub, engångs | Is a | False | Tube | Inferred relationship | Some |  | 
| införare för endotrakealtub, flergångs | Is a | False | Tube | Inferred relationship | Some |  | 
| införare för endotrakealtub, engångs | Is a | False | Tube | Inferred relationship | Some |  | 
| Endotracheal tube stylet, reusable | Is a | False | Tube | Inferred relationship | Some |  | 
| Endotracheal tube stylet, single-use | Is a | False | Tube | Inferred relationship | Some |  | 
| Manual pulmonary resuscitator, reusable | Is a | False | Tube | Inferred relationship | Some |  | 
| Manual pulmonary resuscitator, single-use | Is a | False | Tube | Inferred relationship | Some |  | 
| General-purpose suction system, vacuum (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| åtgärd avseende cekostomikateter under röntgengenomlysning | Procedure device (attribute) | False | Tube | Inferred relationship | Some | 2 | 
| Tubing set | Is a | False | Tube | Inferred relationship | Some |  | 
| Tubing | Is a | False | Tube | Inferred relationship | Some |  | 
| Earmould impression kit | Is a | False | Tube | Inferred relationship | Some |  | 
| Autopsy/dissection sink system | Is a | False | Tube | Inferred relationship | Some |  | 
| Examination/treatment room sink system (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Laboratory sink system | Is a | False | Tube | Inferred relationship | Some |  | 
| Mobile sink system (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Endotracheal tube adaptor | Is a | False | Tube | Inferred relationship | Some |  | 
| Extracorporeal blood gas/pH monitor | Is a | False | Tube | Inferred relationship | Some |  | 
| Bile collection bag | Is a | False | Tube | Inferred relationship | Some |  | 
| Suprapubic catheter/drain | Is a | False | Tube | Inferred relationship | Some |  | 
| Centrifugal circulatory assist pump, electric | Is a | False | Tube | Inferred relationship | Some |  | 
| Centrifugal circulatory assist pump, manual (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Venous-return circulatory assist system (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Ventricular circulatory assist system (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Intravenous line clamp | Is a | False | Tube | Inferred relationship | Some |  | 
| Intermittent venous compression system | Is a | False | Tube | Inferred relationship | Some |  | 
| Sequential venous compression system | Is a | False | Tube | Inferred relationship | Some |  | 
| koppling slang/mask till andningssystem, flergångs | Is a | False | Tube | Inferred relationship | Some |  | 
| koppling slang/mask till andningssystem, engångs | Is a | False | Tube | Inferred relationship | Some |  | 
| koppling för Y-stycke till andningssystem, flergångs | Is a | False | Tube | Inferred relationship | Some |  | 
| koppling för Y-stycke till andningssystem, engångs | Is a | False | Tube | Inferred relationship | Some |  | 
| Haemodialysis system blood pump | Is a | False | Tube | Inferred relationship | Some |  | 
| underlivsdusch, flergångs | Is a | False | Tube | Inferred relationship | Some |  | 
| Thoracic drain | Is a | False | Tube | Inferred relationship | Some |  | 
| kit för dränage av slutna sår, postkraniotomi | Is a | False | Tube | Inferred relationship | Some |  | 
| Pleural drainage system | Is a | False | Tube | Inferred relationship | Some |  | 
| Tracheostomy tube dressing | Is a | False | Tube | Inferred relationship | Some |  | 
| Pneumatic dental drilling system hose (physical object) | Is a | True | Tube | Inferred relationship | Some |  | 
| sondmatningsset, spädbarn | Is a | False | Tube | Inferred relationship | Some |  | 
| Suction system filter, microbial | Is a | False | Tube | Inferred relationship | Some |  | 
| pincett för trakealtub, flergångs | Is a | False | Tube | Inferred relationship | Some |  | 
| Cardiopulmonary bypass system roller pump (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Hydraulic incontinence treatment system (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| infusionsset för infusionsregulator | Is a | False | Tube | Inferred relationship | Some |  | 
| Ambulatory insulin infusion pump reservoir (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| intravenöst infusionsset för skalpven | Is a | False | Tube | Inferred relationship | Some |  | 
| Urological irrigation system (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Oxygen therapy system (physical object) | Is a | False | Tube | Inferred relationship | Some |  | 
| Eustachian tube prosthesis | Is a | False | Tube | Inferred relationship | Some |  |