title: Patient positioning device for hypocycloidal tomography of the midline ventricles of the brain.
mesh_terms: D014695:Cerebral Ventriculography / Q000295:instrumentation*; D006801:Humans; D006849:Hydrocephalus / Q000000981:diagnostic imaging; D007223:Infant; D010372:Pediatrics / Q000295:instrumentation*; D011187:Posture; D013679:Technology, Radiologic; D014054:Tomography / Q000295:instrumentation*