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System and method of administering a pharmaceutical gas to a patient

  • US 8,408,206 B2
  • Filed: 06/28/2012
  • Issued: 04/02/2013
  • Est. Priority Date: 09/21/2005
  • Status: Active Grant
First Claim
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1. A nitric oxide delivery system comprising:

  • an inlet to connect to a source of pharmaceutical gas comprising nitric oxide;

    an outlet to connect to a device that introduces the pharmaceutical gas to a patient;

    a low flow valve in fluid communication with the inlet and outlet, wherein the low flow valve delivers the pharmaceutical gas at a first flow rate;

    a high flow valve in fluid communication with the inlet and outlet and in parallel to the low flow valve, wherein the high flow valve delivers the pharmaceutical gas at a second flow rate that is higher than the first flow rate; and

    a gas control system that delivers a pulse of the pharmaceutical gas through one or more of the low flow valve and the high flow valve wherein the control system delivers the pulse of pharmaceutical gas during the first half of the patient'"'"'s inspiratory cycle.

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