Resuscitator

A resuscitator including:

• an inlet valve housing including an inlet valve arrangement;
• a patient valve housing including a patient valve arrangement, a patient connection port and a patient expiration outlet port;
• a squeeze bag that is self-inflating and comprises a squeeze bag inlet opening, a squeeze bag outlet opening, and a wall extending between the squeeze bag inlet opening and the squeeze bag outlet opening, the squeeze bag inlet opening connected to the inlet valve housing, the squeeze bag outlet opening connected to the patient valve housing, and the wall defining an inner volume of the squeeze bag;
• and
• a filter arrangement located in the inner volume of the squeeze bag,
• wherein the filter arrangement includes a first scrim layer, a second scrim layer, and a non-woven polymer fibre layer between the first scrim layer and the second scrim layer.

A resuscitator including:

• an inlet valve housing including an inlet valve arrangement;
• a patient valve housing including a patient valve arrangement, a patient connection port and a patient expiration outlet port;
• a squeeze bag that is self-inflating and comprises a squeeze bag inlet opening, a squeeze bag outlet opening, and a wall extending between the squeeze bag inlet opening and the squeeze bag outlet opening, the squeeze bag inlet opening connected to the inlet valve housing, the squeeze bag outlet opening connected to the patient valve housing, and the wall defining an inner volume of the squeeze bag;
• and
• a filter arrangement located in the inner volume of the squeeze bag,
• wherein the patient connection port comprises a minimum cross-sectional flow area, and wherein the filter arrangement comprises a filter material having a filtration area which is at least 25 times larger than the minimum cross-sectional flow area of the patient connection port.