Patent ID: 6916010
Filing Date: 2005-07-12
Classification: A61M,Y10T

Abstract:
1. A regulating valve for adjusting the flow in an infusion or transfusion procedure, said regulating valve comprising: a housing; connecting pieces essentially consisting of an inlet connecting piece and an outlet connecting piece opening into a hollow cylindrical valve chamber; a rotating piece that has a cup-shaped foundation and a cylindrical valve plug extending therefrom, wherein said cylindrical valve plug is inserted into the valve chamber sealing the radial outside periphery of the valve plug and the radial inside periphery of the valve chamber; where said rotating piece has, on a periphery, at least one groove that is opposite the connecting pieces and which constrictingly connects the connecting pieces in terms of flow, where said rotating piece has a changing cross-section in the peripheral direction, characterized by an annular disc which overlaps the valve chamber and has, on a side facing the rotating piece, a number of markings lying on concentric circles; and wherein the rotating piece has a number of windows that are in an offset arrangement with respect to each other in the peripheral and radial directions, where each window is lying opposite a marking.