| Inbound Relationships | 
Type | 
Active | 
Source | 
Characteristic | 
Refinability | 
Group | 
| Dilation and insertion of tube into esophagus | 
Direct device | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 2 | 
| Endobronchial tube | 
Is a | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Esophageal tracheal double lumen supraglottic airway device | 
Is a | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Difficult intubation | 
Direct device | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Intubation of respiratory tract | 
Direct device | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Intubation | 
Direct device | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Digital assisted intubation | 
Direct device | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Dilation and insertion of tube into esophagus | 
Direct device | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 2 | 
| Unexpected difficult intubation | 
Direct device | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Expected difficult intubation | 
Direct device | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Intubation AND aspiration | 
Direct device | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Replacement of peritoneal dialysis transfer set | 
Direct device | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Intubation using medication | 
Direct device | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Retrograde intubation | 
Direct device | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Assessment of ureterostomy tube | 
Direct device | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 1 | 
| Liposuction system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Neurosurgical suction regulator | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Pneumatic trabeculoplasty system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Portable oxygen concentrator | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Oxygen administration face tent | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Oxygen administration hood, adult | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Oxygen administration tent, adult | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Nasal lavage system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Partial-rebreathing oxygen face mask | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Stationary oxygen concentrator | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Ventilator intermittent mandatory ventilation supplemental circuit, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Ventilator intermittent mandatory ventilation supplemental circuit, single-use | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Venturi oxygen face mask | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Automatic pneumatic pulmonary resuscitator, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Tracheal pilot tube repair kit | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Tracheostomy mask, aerosol | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Tracheostomy mask, oxygen | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Surgical fluid/gas irrigator | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Surgical irrigation/aspiration system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Surgical mist irrigation tip | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Therapeutic plasma exchange system set | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Breathing mouthpiece, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Breathing mouthpiece, single-use | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Bronchial tube stylet | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Cold-air diagnostic inhalation system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Contrast medium delivery/evacuation kit, barium enema | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Contrast medium injection system hand controller kit | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Adipose tissue stem cell recovery set | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dental dry field device | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dental dry field kit | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dental ozone system handpiece | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dental suction system regulator | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dental/oral lavage system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Aerosol tent, adult | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Airway obstruction suction extractor | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Endotracheal tube cleaning brush | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Endotracheal tube guide, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Endotracheal tube guide, single-use | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Endotracheal tube introducer, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Endotracheal tube introducer, single-use | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Endotracheal tube stylet, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Endotracheal tube stylet, single-use | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Manual pulmonary resuscitator, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Manual pulmonary resuscitator, single-use | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| General-purpose suction system, vacuum | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Cecostomy tube procedure using fluoroscopic guidance | 
Procedure device | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
 2 | 
| Tubing set | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Tubing | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Earmould impression kit | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Autopsy/dissection sink system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Examination/treatment room sink system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Laboratory sink system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Mobile sink system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Endotracheal tube adaptor | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Extracorporeal blood gas/pH monitor | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Bile collection bag | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Suprapubic catheter/drain | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Centrifugal circulatory assist pump, electric | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Centrifugal circulatory assist pump, manual | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Venous-return circulatory assist system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Ventricular circulatory assist system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Intravenous line clamp | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Intermittent venous compression system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Sequential venous compression system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Tube/mask breathing circuit connector, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Tube/mask breathing circuit connector, single-use | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Y-piece breathing circuit connector, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Y-piece breathing circuit connector, single-use | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Hemodialysis system blood pump | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Vaginal douche, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Thoracic drain | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Closed-wound drainage kit, postcraniotomy | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Pleural drainage system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Tracheostomy tube dressing | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Pneumatic dental drilling system hose | 
Is a | 
True | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Enteral feeding kit, infant | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Suction system filter, microbial | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Airway tube forceps, reusable | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Cardiopulmonary bypass system roller pump | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Hydraulic incontinence treatment system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Infusion controller administration set | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Ambulatory insulin infusion pump reservoir | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Scalp vein intravenous administration set | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Urological irrigation system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Oxygen therapy system | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Eustachian tube prosthesis | 
Is a | 
False | 
Tube, device | 
Inferred relationship | 
Existential restriction modifier | 
  |