| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Paranasal sinus vibration therapy unit | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal haemostatic plug | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Salivary gland dilator | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear dropper | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nose dropper | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear canal drying sponge | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal vacuum aspirator | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| External ear keloid splint | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal tampon | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Intranasal vibration therapy system | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Line-powered ear, nose and throat shaver system | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Line-powered ear, nose and throat shaver system control unit | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Line-powered ear, nose and throat shaver system handpiece | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Line-powered shaver system handpiece electrical cable | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Pulsed signal therapy system tinnitus applicator | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Oropharyngeal mucosa conditioner | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ossicular prosthesis, partial | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ossicular prosthesis, total | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Oxygen administration nasal catheter | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Myringotomy tube inserter | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal aspirator, electric | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal aspirator, manual | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal irrigation cold intervention gel | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal phototherapy system | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal saw | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal septal button | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal speculum, reusable | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal speculum, single-use | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal suction system | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasopharyngeal medicine administration kit | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasopharyngeal medicine administration kit atomiser | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasopharyngeal swab | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Tonsil punch | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Tracheal bistoury | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Rhinitis therapy ultrasound system | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Burring power tool attachment | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Bone vibrator | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Bone vibrator mechanical coupler | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear canal impression tray | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear excavator | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Earlobe punch | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear spoon | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Epistaxsis balloon | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| ENT applicator | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat chair, electric | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat chair, mechanical | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat depth gauge | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| ENT headrest | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat micromanipulator, electric | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| ENT mobilser | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat powder applicator | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat punch | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat speculum holder | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat surgical drape | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat surgical microscope | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ethmoid punch | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Mastoid gauge | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Gelfoam punch | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Laryngeal mirror | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Device associated with rhinometers/rhinomanometers | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal splint | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Device associated with ear, nose and throat scopes | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Vocal cord medialization implant | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat catheter | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear, nose and throat cannula | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal breathing aid | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Device associated with tinnitus maskers | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Device associated with audiometers | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Middle ear decompressor | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Device associated with nasal catheters | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear speculum | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Device associated with cephalometric x-ray systems | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal endoscope | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Television set listening aid | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Adenotome blade, reusable | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Adenotome blade, single-use | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal chisel | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Salivary gland dilator, reusable | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear dropper, reusable | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear dropper, single-use | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nose dropper, reusable | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nose dropper, single-use | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Acoustic earmuffs | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Earplugs, reusable | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Earplugs, single-use | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasopharyngeal electrode | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Electroglottograph | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Ear canal light | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Eustachian tube prosthesis | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Trachea prosthesis | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal rasp | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal rongeur | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal snare, reusable | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Caloric vestibular-stimulation system | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal gouge | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Semi-insert earplugs | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal snare, single-use | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal inhaler | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Metal/carbide ear, nose and throat bur, reusable | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Salivary gland dilator, single-use | Is a | False | Ear, nose and throat device | Inferred relationship | Some |  | 
| Nasal biopsy curette | Is a | True | Ear, nose and throat device | Inferred relationship | Some |  |