| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Analgesic peripheral nerve electrical stimulation system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Analgesic TENS system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Spinal cord electrical stimulation system, analgesic | Is a | False | Electrode | Inferred relationship | Some |  | 
| Cochlear implant system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Electroconvulsive therapy system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Psychiatric-therapy brain electrical stimulation system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Antitremor brain electrical stimulation system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Bladder/bowel-evacuation electrical stimulation system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Diagnostic peripheral nerve electrical stimulation system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Gait-enhancement electrical stimulation system, external (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Gait-enhancement electrical stimulation system, implantable | Is a | False | Electrode | Inferred relationship | Some |  | 
| Incontinence-control electrical stimulation system, nonimplantable | Is a | False | Electrode | Inferred relationship | Some |  | 
| Block-monitoring peripheral nerve electrical stimulation system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Somatosensory electrical stimulation system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Extramuscular diaphragm/phrenic nerve electrical stimulation system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Antiseizure vagus nerve electrical stimulation system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Coma-arousal vagus nerve electrical stimulation system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Psychiatric-therapy vagus nerve electrical stimulation system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Electrosurgical tip cleaning pad | Is a | False | Electrode | Inferred relationship | Some |  | 
| Cardiac mapping system injection percutaneous catheter | Is a | False | Electrode | Inferred relationship | Some |  | 
| Ultrasonic surgical system adaptor, single-use | Is a | False | Electrode | Inferred relationship | Some |  | 
| Ultrasonic surgical system adaptor, reusable | Is a | False | Electrode | Inferred relationship | Some |  | 
| Electroencephalographic monitoring system, portable | Is a | False | Electrode | Inferred relationship | Some |  | 
| Oesophageal motility analysis system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Gastroduodenal motility analysis system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Gastrointestinal motility analysis system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Antiseizure brain electrical stimulation system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Percutaneous incontinence-control electrical stimulation system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Endotherapy electrosurgical coagulator/cutter, bipolar, refurbished | Is a | False | Electrode | Inferred relationship | Some |  | 
| Percutaneous incontinence-control electrical stimulation system electrode set | Is a | False | Electrode | Inferred relationship | Some |  | 
| Argon-enhanced electrosurgical diathermy system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Endotherapy electrosurgical diathermy system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Ophthalmic electrosurgical diathermy system, line-powered | Is a | False | Electrode | Inferred relationship | Some |  | 
| Neutral plasma surgical system control unit | Is a | False | Electrode | Inferred relationship | Some |  | 
| Neutral plasma surgical system handpiece | Is a | False | Electrode | Inferred relationship | Some |  | 
| Dental electrosurgical diathermy system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Ophthalmic electrosurgical diathermy system generator, battery-powered | Is a | False | Electrode | Inferred relationship | Some |  | 
| Ophthalmic electrosurgical diathermy system, battery-powered | Is a | False | Electrode | Inferred relationship | Some |  | 
| Electrophysiology cardiac catheter, single-use | Is a | False | Electrode | Inferred relationship | Some |  | 
| Electrophysiology cardiac catheter, reprocessed | Is a | False | Electrode | Inferred relationship | Some |  | 
| Fluid/device delivery cardiac catheter (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Analgesic transcutaneous electrical neural stimulation system, over-the-counter | Is a | False | Electrode | Inferred relationship | Some |  | 
| Auditory evoked-potential graphic recorder (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Neurophysiologic monitoring system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Incontinence-control electrical stimulation system, nonimplantable, remote control (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Spark-gap lithotripsy system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Auditory brainstem implant system (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Atrial cardioversion system catheter (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Cochlear implant system electrode array assembly | Is a | False | Electrode | Inferred relationship | Some |  | 
| Auditory brainstem implant system electrode array assembly (physical object) | Is a | False | Electrode | Inferred relationship | Some |  | 
| Intramuscular diaphragm/phrenic nerve electrical stimulation system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Electrosurgical diathermy/ultrasonic surgical generator | Is a | False | Electrode | Inferred relationship | Some |  | 
| Endotherapy electrosurgical diathermy system electrode | Is a | True | Electrode | Inferred relationship | Some |  | 
| Cystoscopic electrode (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Electrooculograph electrode (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Electroretinograph electrode (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Intracardiac electrode | Is a | True | Electrode | Inferred relationship | Some |  | 
| Short-wave diathermy treatment system electrode (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Nasopharyngeal electrode (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Oesophageal electrode | Is a | True | Electrode | Inferred relationship | Some |  | 
| Incontinence-control electrical stimulation system electrode, implantable | Is a | True | Electrode | Inferred relationship | Some |  | 
| Cardiac myoplasty electrical stimulation system lead | Is a | False | Electrode | Inferred relationship | Some |  | 
| Medium-wave diathermy treatment system electrode, active (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Medium-wave diathermy treatment system electrode, return (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Incontinence-control electrical stimulation system electrode, nonimplantable (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Interferential electrical stimulation system electrode (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Visual evoked-potential electrode | Is a | True | Electrode | Inferred relationship | Some |  | 
| Electrocautery system electrode | Is a | True | Electrode | Inferred relationship | Some |  | 
| Multifunction cardiac electrode, adult (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Pacemaker electrode, transcutaneous | Is a | False | Electrode | Inferred relationship | Some |  | 
| Drug-delivery iontophoresis system electrode, active (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Iontophoresis system electrode, return | Is a | True | Electrode | Inferred relationship | Some |  | 
| Incontinence-control electrical stimulation system electrode, nonimplantable, remote control (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Intramuscular diaphragm/phrenic nerve electrical stimulation system electrode, active (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Intramuscular diaphragm/phrenic nerve electrical stimulation system electrode, return (physical object) | Is a | True | Electrode | Inferred relationship | Some |  | 
| Haemorrhoid management system negative electrode | Is a | True | Electrode | Inferred relationship | Some |  | 
| Dermal hygrometer | Is a | False | Electrode | Inferred relationship | Some |  | 
| Hair-removal electrolysis system needle electrode | Is a | True | Electrode | Inferred relationship | Some |  | 
| Hair-removal electrolysis system tweezers electrode | Is a | True | Electrode | Inferred relationship | Some |  | 
| Universal foot-controlled electrosurgical diathermy system conducting unit, reusable | Is a | False | Electrode | Inferred relationship | Some |  | 
| Universal foot-controlled electrosurgical diathermy system conducting unit, single-use | Is a | False | Electrode | Inferred relationship | Some |  | 
| Universal foot-controlled electrosurgical diathermy system handpiece, reusable | Is a | False | Electrode | Inferred relationship | Some |  | 
| Universal foot-controlled electrosurgical diathermy system handpiece, single-use | Is a | False | Electrode | Inferred relationship | Some |  | 
| Invasive interstitial-fluid glucose monitoring system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Universal hand-controlled electrosurgical diathermy system conducting unit, reusable | Is a | False | Electrode | Inferred relationship | Some |  | 
| Universal hand-controlled electrosurgical diathermy system conducting unit, single-use | Is a | False | Electrode | Inferred relationship | Some |  | 
| Universal hand-controlled electrosurgical diathermy system handpiece, reusable | Is a | False | Electrode | Inferred relationship | Some |  | 
| Universal hand-controlled electrosurgical diathermy system handpiece, single-use | Is a | False | Electrode | Inferred relationship | Some |  | 
| Arthritis TENS system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Radio-frequency ablation system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Radio-frequency ablation system generator | Is a | False | Electrode | Inferred relationship | Some |  | 
| Radio-frequency ablation system probe, reusable | Is a | False | Electrode | Inferred relationship | Some |  | 
| Universal plume evacuation electrosurgical diathermy system conducting unit | Is a | False | Electrode | Inferred relationship | Some |  | 
| Short-wave diathermy treatment system, professional | Is a | False | Electrode | Inferred relationship | Some |  | 
| Sweat-induction iontophoresis system electrode, single-use | Is a | False | Electrode | Inferred relationship | Some |  | 
| Wearable sweat-induction iontophoresis device/chloride analyser | Is a | False | Electrode | Inferred relationship | Some |  | 
| Temporary cardiac pacing balloon catheter | Is a | False | Electrode | Inferred relationship | Some |  | 
| Temporary cardiac pacing catheter | Is a | False | Electrode | Inferred relationship | Some |  | 
| Respiratory apnoea monitoring system | Is a | False | Electrode | Inferred relationship | Some |  | 
| Polysomnography analyser | Is a | False | Electrode | Inferred relationship | Some |  | 
| Implantable pacemaker analyser, intraoperative | Is a | False | Electrode | Inferred relationship | Some |  |