Fluid flow control device, in particular for infusing intravenous fluids

摘要

A fluid flow control device 1 comprises a resilient hollow tube 4 having a passage 6 with a triangular cross-section for the flow therethrough of a fluid. Means in the form of a ball 10 is located adjacent a flat side of the triangle for movement towards the opposite apex for applying a pressure to the tube 4 to reduce in a controlled manner the cross-sectional area of the passage 6. <IMAGE>