| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Cystometer probe, ultrasonic | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Hyperthermia system probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Radio-frequency incontinence treatment system probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Incontinence-control electrical stimulation system electrode, nonimplantable | Is a | False | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Vascular Doppler system probe | Is a | False | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Extracorporeal ultrasound imaging system transducer, hand-held | Is a | False | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Incontinence-control electrical stimulation system electrode, nonimplantable, remote control | Is a | False | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Esophageal temperature monitor probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Radio-frequency ablation system probe, reusable | Is a | False | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Electronic thermometer probe, reusable | Is a | False | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Electronic thermometer probe, single-use | Is a | False | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Radio-frequency ablation system probe, single-use | Is a | False | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Radio-frequency ablation system renal denervation catheter | Is a | False | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Analgesic peripheral electrical nerve stimulator system probe | Is a | False | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Electrical high-voltage probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Nerve-locating probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Acupuncture point detector | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Transcutaneous electrical stimulation probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Invasive vascular ultrasound system probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous electrosurgical probe, brain-ablation | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Injectate temperature probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Invasive/noninvasive vascular ultrasound probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Ophthalmic electrosurgical probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Transcutaneous central venous blood oximeter probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Extracorporeal fluid flow probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Extracorporeal blood parameter probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  | 
| Radiofrequency ablation probe | Is a | True | Electrical probe | Inferred relationship | Existential restriction modifier |  |