EMD Safety Valve

This simple passive device will prevent a simple oversight from resulting in the death of a patient and the devastating effect a tragic medical error can have on the staff and the practice.

Most veterinary anaesthetic machines do not have a safety pressure relief valve. You may choose or have a pop-off valve to perform this function, but it is easily defeated by being manually closed during mechanical ventilation and system pressure testing. If the operator forgets to re-open the valve, tragedy results.

The EMD Safety Valve is a simple solution to this problem. It cannot be manually defeated. It is passive in that it
does not need to be turned on as pressure alarms do. It can be placed anywhere in the rebreathing breathing
circuit.

The valve opens once the airway pressure exceeds approximately 26cm H2O, bleeding off gas pressure, thereby

preventing barotrauma. Pressure will remain open until the pop-off valve is opened or the patient is disconnected
from the circuit.