| 摘要 |
An emulsion of perfluoroorganic compounds (PFOCs) with gas-transporting properties for intravascular administration comprises a perfluorocarbon rapidly eliminable from the organism and a perfluorinated tertiary amine slowly eliminable from the organism and further comprises at least three kinds of PFOC admixtures taken in small amounts, which are close in their structure and physicochemical properties to the main components and make up a series of PFOCs with gradually changing properties. The emulsion also contains minor admixtures of H-perfluoroalkanes. Such a composition contributes to the formation of a more homogeneous and stable non-clustered perfluorocarbon phase inside the emulsion particles. The PFOC emulsion is stabilized by a polyoxyethylene-polyoxypropylene copolymer. The formulation of the composition provides stability of the emulsion under storage and on entry into the blood flow, as well as a low viscosity of the PFOC emulsion, which secures a high dynamic oxygen capacity of the preparation and improves the delivery of oxygen to tissues. When preparing the emulsion, the stabilizing agent is heated at a temperature of up to 75 DEG C, all the components are saturated with carbon dioxide gas, and the homogenization is carried out with feeding carbon dioxide gas, whereby the origination of peroxides is minimized and the reactogenicity is thus reduced. It is proposed to use PFOC emulsions as a means for treating air-and fat embolism, obliterating vascular injuries of extremities and poisoning with lipophilic poisons, as well as for preventing toxic injuries caused by various xenobiotics. <IMAGE>
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