#$%^&*AU2016201993A120160505.pdf#####A catheter assembly comprising a catheter hub having a chamber therein； a hollow tubular catheter, the catheter being connected at its proximal end to the distal end of the catheter hub； a needle having a needle tip； a hollow extension tube, the extension tube being connected at its distal end to the catheter hub between the proximal and distal ends thereof and connectable at its proximal end to a device for infusing into the chamber in the hub； a valve assembly disposed within the chamber of the catheter hub, the valve assembly comprising a first valve member closing the distal end of the extension tube and openable under the action of a pressurised fluid within the extension tube； and a second valve member preventing the flow of fluid through the chamber to or from the proximal end of the catheter hub.
