Patent ID: 8470298

Claim:
A method of preparing a medium with bubbles formed therein and contemporaneous injection into a patient in connection with a medical procedure, the method including the steps of: (a) providing a source of a liquid and a source of a gas; (b) providing a bubble generator wherein the bubbles are created within the liquid to form the medium, said bubble generator having at least one inlet for receiving the liquid and the gas from said sources thereof and an outlet from which the medium is output; (c) providing a pressurizing device for pressuring the liquid for conveyance into said bubble generator and thereby for conveying therefrom the medium formed therein; and (d) providing a controller for controlling at least said pressuring device and said bubble generator through which to control (I) a rate of flow of the liquid and a rate of flow of the gas into said bubble generator via said at least one inlet thereof, (II) at least one property of the medium and (III) a rate flow of the medium from said bubble generator via said outlet thereof; and (e) communicating from said bubble generator via said outlet thereof the medium immediately after formation thereof so as to inject the medium into the patient in connection with the medical procedure at a rate controlled by said controller.