Respiros Ventilator with alarms, monitoring and security

Objective

Create a fully functional ventilator to be approved for medical usage

Requirements

To do so, requirements have been exposed by the doctors from the Hospital of Huelva. Here are the most important ones:

• Ventilator type Bilevel Postivie Airway Pressure (BiPAP)
• Large screen (16inch) to plot all data in one view
• Air flow by turbine
• Venturi system for oxygen addition
• Fraction of insipired oxygen (FiO2) up to 80%
• Flux and pressure transducers
• Remote monitoring

Diagram

Screen capture

Detail on signal conditioning circuit