Patent ID: 7837658
Filing Date: 2010-11-23
Classification: A61M

Abstract:
1. A medical valve comprising: a housing having an interior forming an inlet and an outlet; a fluid path within the interior; and a longitudinally movable member secured within the interior of the housing, the fluid path being external to the movable member, movement of the movable member controlling fluid flow between the inlet and the outlet via the fluid path, the movable member having a first position that permits fluid flow from the inlet to the outlet via the fluid path, and a second position that prevents fluid flow from the inlet to the outlet via the fluid path, the fluid path having a volume that is substantially the same in both the first position and the second position, the outlet producing no greater than a negligible drawback during withdrawal of a nozzle, the outlet also producing no greater than a negligible positive push during withdrawal of the nozzle.