A male Luer connector that attaches to a standard female Luer connector to open a medical fluid flow channel between the two connectors. The male connector has two internal valves and a vacuum-generating structure. The two valves and the vacuum-generating structure are configured to draw back into the...http://www.google.de/patents/US20060202146?utm_source=gb-gplus-sharePatent US20060202146 - Valved male luer connector having sequential valve timing