| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Ultrasound imaging system transducer | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound imaging system transducer cover | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound imaging system | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Doppler system | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Diagnostic ultrasound phantom | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasonic aspiration biopsy procedure kit | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasonic cardiac output unit | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Diagnostic imaging chair, multi-purpose (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound imaging system chair (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Flexible ultrasonic colonoscope (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Cystometer | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Flexible ultrasonic duodenoscope (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Flexible ultrasonic gastroduodenoscope (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Radiology information system (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Radiology information system application software (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Rigid ultrasonic laparoscope (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasonic metal detector | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Multi-modality diagnostic imaging phantom, anthropomorphic | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Multi-modality diagnostic imaging phantom, test object (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Cystometer probe, ultrasonic (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound system quality assurance device (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Patient positioning sensor | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasonic stethoscope | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound imaging system synchronizer (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Diagnostic imaging table, multi-purpose (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound imaging system table | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Blood flowmeter transducer, non-indwelling (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Catheter-tip transducer, pressure | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound imaging system application software (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound imaging system operation software (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Diagnostic ultrasound cardiac catheter, steerable (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Diagnostic ultrasound cardiac catheter, non-steerable (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Peripheral vascular ultrasound catheter, steerable (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Peripheral vascular ultrasound catheter, non-steerable | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Echocardiographic recording paper (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Flexible ultrasonic bronchoscope | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Flexible ultrasonic laparoscope (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Blood flowmeter catheter, Doppler | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound patient positioning system | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Vascular Doppler clamp | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Neurosurgical ultrasonic navigation system application software (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Jaw physiology evaluation system | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Breath-hold system | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Breath-hold system base station (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Breath-hold system remote display (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Breath-hold system patient belt, pneumatic (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Breath-hold system patient belt, mechanical | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Radiology DICOM image processing application software (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Electromagnetic device tracking system (physical object) | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Electromagnetic device tracking system fiducial marker | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Non-implantable needle guide, single-use | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Non-sterile coupling gel | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound imaging system drape, non-sterile | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound imaging system drape, sterile | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Intravascular haemodynamic monitoring system | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Intravascular haemodynamic monitoring system guidewire | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound-guided intrauterine electrosurgical diathermy system | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound-guided intrauterine electrosurgical diathermy system generator | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound-guided intrauterine electrosurgical diathermy system ultrasound control unit | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound transducer extension cable | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasound-guided intrauterine electrosurgical diathermy system conducting unit | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Hepatic ultrasound elastography generator/analyser | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Sterile ultrasound coupling gel | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Prostate vascular targeted photodynamic therapy application software | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Ultrasonic/electromagnetic-guided needle kit | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Rectal ultrasound navigational image processor | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Non-implantable needle guide, reusable | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Hysterosonography/endometrial biopsy catheter | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  | 
| Intrauterine imaging medium catheterization kit | Is a | False | Device associated with ultrasound imaging systems | Inferred relationship | Some |  |