Patent ID: 9199029
Filing Date: 2015-12-01
Classification: A61M

Abstract:
1. In combination a burette and an injection port: said burette having an interior with an inlet via which a first liquid is delivered to the burette interior and an outlet via which an outward liquid is to be delivered to a patient, wherein the first liquid is received from a tube having an end portion connected to a reservoir; said injection port being fixed to the burette, said injection port having: wherein said body enclosing said port chamber is positioned within a cap atop said burette; wherein said injection inlet includes a movable closure member operable to be opened for the delivery of said second liquid to said chamber but urged to a closed position closing said port chamber; and wherein said injection inlet is configured to allow an amount of said first liquid to be drawn from within said port chamber and re-delivered back into said port chamber.