Commercial name: Ergo Stereotactic Planning System. Technical Name: Software de Planej. of Trat. P / Radiation therapy. ANVISA registration number: 80569320022. Risk class: III. Affected Model: ERGO ++ Radiation Treatment Planning Software (+ Localyzer). Serial numbers affected: 1.7.3, 1.7.5, 1.7.7, 1.7.8