To stop COVID-19 spreading when ambulances take patients to hospital, RISC is working with medical staff from King Chulalongkorn Memorial Hospital on the "High Flow Ambulance". This practical innovation enhances ordinary ambulances by installing a ventilation system to reduce infection.

This system uses ‘negative pressure’ by:​

- Removing air to increase ventilation inside the ambulance at 20-25 ACH, which means the system can ventilate the air up to 20-25 times unless air leaks, similar to a negative pressure system. ​

- The motor system will use a powerful air filter that can kill germs and filter out tiny particles before releasing air to the outdoors, keeping the virus to a restricted area.​

RISC’s researchers are initially developing and researching the “High Flow Ambulance” with medical staff from EMS Chula at King Chulalongkorn Memorial Hospital. They are studying air in each ambulance in terms of temperature, humidity, particles less than 2.5 micrometers in diameter (PM2.5), PM10, CO2, and TVOC. They are also researching airflow direction and air pressure to measure air quality for well-being and protect medical staff. The information can help reduce the risk of infection from moving the patients in the future.​

Author/Editor: Sarigga Pongsuwan, Vice President RISC​