Patent ID: 8616204
Filing Date: 2013-12-31
Classification: A61K,A61M,G16H

Abstract:
1. A pharmaceutical gas delivery system, comprising: an inlet to connect to at least one gas source; an outlet to connect to a device that introduces pharmaceutical gas to a patient; a first flow valve and a first flow orifice in fluid communication with the inlet and the outlet, wherein the first flow valve and the first flow orifice deliver at a first fixed flow rate; a second flow valve and a second flow orifice in fluid communication with the inlet and the outlet, wherein the second flow valve and the second flow orifice deliver at a second fixed flow rate that is higher than the first fixed flow rate; and a delivery control system that delivers the pharmaceutical gas over a plurality of breaths by opening one or more of the first flow valve and the second flow valve, wherein the delivery control system delivers the pharmaceutical gas during at least part of the first half of the patient's inspiratory cycle.