Patent ID: 8393321
Filing Date: 2013-03-12
Classification: A61K,A61M,A61P

Abstract:
1. A method for delivery of a mixture to a patient effective to produce analgesia without loss of consciousness in a patient wherein the method comprises: forming a gaseous mixture of oxygen and a halogenated material selected from the group consisting of halogenated ethers and halothane by mixing oxygen with the halogenated material in a delivery manifold, the manifold having a controller configured to provide a gas having a concentration of the halogenated material that is limited to not more than about 0.636 MAC; and b) controlling the proportions of oxygen and halogenated material in the gaseous mixture by metering a liquid flow of the halogenated material into a gas containing the oxygen such that the gaseous mixture comprises a ratio of oxygen to halogenated material effective for producing analgesia without loss of consciousness in the patient; c) delivering said gaseous mixture to the patient to produce analgesia without loss of consciousness in the patient; and d) performing a medical or dental intervention or procedure during analgesia while the patient is conscious.