What is the function of a regulator in a medical gas system?

A regulator in a medical gas system is designed to reduce the high pressure from gas cylinders to a lower, more manageable pressure. This is crucial because the gases used in medical settings, such as oxygen or nitrous oxide, are stored at high pressures that can be dangerous if not properly controlled. By regulating the pressure, it ensures that the gases can be safely delivered to the medical equipment or to patients at a consistent and appropriate flow rate.

The other functions suggested, such as filtering the gas, increasing the gas temperature, or storing gas temporarily, do not align with the primary purpose of a regulator. While some systems may incorporate filters to clean the gas, the regulator itself is specifically tasked with controlling pressure. This precise function is vital for ensuring the safety and effectiveness of medical gas delivery systems in healthcare environments.