Development of a Protocol for Verification Test on Critical Care Ventilators

Ventilators are used to help patients with respiratory failure, being life support, they should be checked periodically. This article discusses the need for a standardized protocol to verify the correct functioning of mechanical critical care ventilators. To this end, a protocol was developed based on the UNE-EN ISO 80601:2:2021 Standard. Based on the calculation of the measurement uncertainty, the accuracy and reliability of the fan measurements is guaranteed. The parameters analyzed are tidal volume (VT), respiratory rate (RR), inspiratory time (IT), complacency and positive end expiratory pressure (PEEP). The trials were conducted on ventilators currently in use and using an analyzer and a test lung. Finally, tables were developed to present the measured data in a clear and orderly manner. This protocol is expected to be an aid tool in medical equipment testing laboratories.