1. Plastic suction catheter, slide valve for positive pressure, transparent plastic film and commutation switch and three-way connectors compose a closed suction catheter.
2. This product changed traditional open operation it avoided medical staff infection to the patient for respiratory tract in the surgery.
3. It adopts many closed design and add the clean connector.
4. It can out of danger from the gas patients breathe and infection of secretion into the catheter.