Trade name: Surgical Focus Rolite Volista Standop. Technical Name: Surgical Focus. ANVISA registration number: 80259110090. Risk class: I. Model affected: Rolite Volista 400; Rolite Volista 600. Series numbers affected: All VOLISTA StandOP / TRIOP domes, manufactured until 06/2017 and equipped with the ARD568801560 keypad.