US Patent 7559530 Valved fluid connector

A valved fluid connector reversibly attachable to a standard female connector and providing a flow channel between them comprising a tubular member, an elastic member surrounding at least a portion of the proximal end of the tubular member, the elastic member reversibly sealing the tubular member. When the valved fluid connector is engaged with a standard female connector device, the female connector urges the elastic member of the valved male connector into a stretched position to open the valve and permit fluid communication between the devices.