Patent ID: 6371942
Filing Date: 2002-04-16
Classification: A61M,Y10T

Abstract:
A manifold for delivering liquids to a patient, comprising:(a) a housing having a liquid delivery port for communication with the patient and an injection port for connection to an injector; (b) first and second chambers defined in said housing in fluid communication with said liquid delivery and injection ports; (c) a first one-way valve between said chambers, biased toward a closed position, and constructed and arranged to move to an open position when liquid is forced from said second to said first chamber; (d) a first liquid supply port, communicating with said second chamber, and having a second one-way valve that is biased toward a closed position and is constructed and arranged to move to an open position when liquid is drawn through said first supply port and into said second chamber; (e) a second liquid supply port communicating with said first chamber; (f) wherein when liquid is drawn into said first liquid supply port by the injector, said first and second valves are automatically closed and opened respectively, and when liquid is forced out said liquid delivery port by the injector, said first and second valves are automatically opened and closed respectively; and (g) a third supply port having a coupling mechanism wherein said coupling mechanism includes a male Luer and a female Luer, and said male and female Luers taken together perform a plunger movement allowing liquid flow into said first chamber.