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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0983406 (2004-11-08) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 44 인용 특허 : 308 |
Methods of and apparatus for preparing temperature activated gaseous precursor-filled liposomes are described. Gaseous precursor-filled liposomes prepared by these methods are particularly usefull for example, in ultrasonic imaging applications and in therapeutic drug delivery systems. Gas, gaseous
Methods of and apparatus for preparing temperature activated gaseous precursor-filled liposomes are described. Gaseous precursor-filled liposomes prepared by these methods are particularly usefull for example, in ultrasonic imaging applications and in therapeutic drug delivery systems. Gas, gaseous precursors and perfluorocarbons are presented as novel potentiators for ultrasonic hyper-thermia. The gas, gaseous precursors and perfluorocarbons which may be administered into the vasculature, interstitially or into any body cavity are designed to accumulate in cancerous and diseased tissues. When therapeutic ultrasonic energy is applied to the diseased region heating is increased because of the greater effectiveness of sound energy absorption caused by these agents.
What is claimed is: 1. A method for an ultrasound treatment of a patient in need of such treatment, comprising administering, intra-arterially, to said patient a composition comprising stabilized gas bubbles and a therapeutic agent, and applying ultrasound, to treat said patient, wherein the stabil
What is claimed is: 1. A method for an ultrasound treatment of a patient in need of such treatment, comprising administering, intra-arterially, to said patient a composition comprising stabilized gas bubbles and a therapeutic agent, and applying ultrasound, to treat said patient, wherein the stabilized gas bubbles are formed by a gas or a gas precursor selected from a group consisting of perfluoropropane; perfluorobutane; perfluoropentane; perfluorohexane; perfluorocyclobutene; perfluoro-1-butene; perfluoro-2-butene; perfluoro-2-butyne; perfluoropropylene, hexafluoro acetone; isopropyl acetylene; allene; tetrafluoroallene; boron trifluoride; 1,2-butadiene; 1,3-butadiene; 1,2,3-trichloro-2-fluoro-1,3-butadiene; 2-methyl-1,3 butadiene; hexafluoro-1,3-butadiene; butadiyne; 1-fluoro-butane; 2-methyl-butane; 1-butene; 2-butene; 2-methy-1-butene; 2-methyl-2-butene; 3-methyl-1-butene; 1,4-phenyl-3-butene-2-one; 2-methyl-1-butene-3-yne; butyl nitrate; 1-butyne; 2-butyne; 2-chloro-,1,1,4,4,4-hexafluoro-butyne; 3-methyl-1-butyne; 2-bromo-butyraldehyde; carbonyl sulfide; crotononitrile; cyclobutane; methyl-cyclobutane; 3-chloro-cyclopentene; cyclopropane; 1,2-dimethyl-cyclopropane; 1,1-dimethyl cyclopropane; 1,2-dimethyl cyclopropane; ethyl cyclopropane; methyl cyclopropane; diacetylene; 3-ethyl-3-methyl diaziridine; 1,1,1-trifluorodiazoethane; dimethyl amine; hexafluoro-dimethyl amine; dimethylethylamine; bis-(dimethylphosphine)amine; 2,3-dimethyl-2-norbomane; perfluorodimethylamine; dimethyloxonium chloride; 1,3-dioxolane-2-one; 1,1-dichloroethane; 1,1-dichloro-1,2,2,2-tetrafluoro ethane; 1,2-difluoro ethane; 2-chioro-1,1-difluoroethane; 2-chloro-1,1-difluoroethane; 1-chloro-1,1,2,2-tetrafluoroethane; chloroethane; chioropentafluoro ethane; dichlorotrifluoroethane; fluoroethane; nitropentafluoro ethane; nitrosopentafluoro ethane; perfluoro ethylamine; ethyl vinyl ether; 1,1-dichloroethylene; 1,2-difluoroethylene; 1,1-dichloro-1,2-difluoro ethylene; trifluoromethane sulfonyl chloride; trifluoro tethanesulfonyl fluoride; trifluoropentafluorothio methane; bromodifluoronitrosomethane; bromofluoromethane; bromochiorofluoromethane; trifluorobromomethane; chiorodifluoronitromethane; chiorodinitromethane; chiorofluoromethane; difluorodibromomethane; fluorodichioromethane; difluoromethane; difluorojodomethane; disilanomethane; fluoromethane; iodomethane; jodotrifluoromethane; octafluorocyclobutane; octafluoro-2-butene; octafluorocyclopentene; trifluoronitromethane; trifluoronitrosomethane; trichiorofluoromethane; trifluoromethane sulfonyichioride; 2-methylbutane; methyl ether; methyl isopropyl ether; methyl lactate; methyl nitrite; methyl sulfide; methyl vinyl ether; neon; neopentane; nitrous oxide; 1,2,3-nonadecanetricarboxylic acid-2-hydroxytrimethylester; 1-nonene-3-yne; 1,4-pentadiene; n-pentane; 4-amino-4-methyl-2-pentanone; 1-pentene; 2-pentene (cis); 2-pentene (trans); 3-bromo-1-pentene; tetrachloro phthalic acid; 2,3,6-trimethyl-piperidine; propane, 1,2-epoxy-propane; 2,2-difluoro-propane; 2-amino-propane, 2-chloro-propane; heptafluoro-1-nitro-propane; heptafluoro-1-nitroso-propane; propene; 1-chloro-propylene; 2-chloro-propylene; 3-fluoro-propylene-propyne; 3,3,3-trifluoro-propyne; 3-fluoro-styrene; sulfur hexafluoride; 2,4-diamino-sulfurdecafluoro-toluene; trifluoroacetonitrile; trifluoromethyl peroxide; trifluoromethyl sulfide; tungsten hexafluoride; vinyl acetylene; vinyl ether; and combinations thereof. 2. A method according to claim 1, wherein said stabilized gas bubbles comprise closed membrane-bounded structures that encompass an enclosed gas bubble. 3. A method according to claim 2, wherein said membrane-bounded structure is an albumin microsphere. 4. A method according to claim 1, wherein said therapeutic agent comprises a chemotherapeutic agent. 5. A method according to claim 1, wherein said composition is administered through a catheter. 6. A method according to claim 1, wherein said composition causes an increase in the rate of absorption of ultrasonic energy. 7. A method according to claim 1, wherein said composition accelerates the process of cavitation during said application of ultrasound. 8. A method according to claim 7, wherein said acceleration in the process of cavitation is produced by a decrease in the cavitation threshold. 9. A method according to claim 1, wherein said composition increases the acoustic heterogeneity and generates cavitation nuclei in said patient. 10. A method for an ultrasound treatment of a patient in need of such treatment, comprising administering, intra-arterially, to said patient a composition comprising a perfluorocarbon and a therapeutic agent, and applying ultrasound, to treat said patient, wherein the perfluorocarbon is selected from a group consisting of perfluoropropane, perfluorobutane, perfluoropentane, perfluorohexane, perfluorocyclobutene, perfluoro-1-butene, perfluoro-2-butene, perfluoro-2-butyne, perfluoropropylene, and combinations thereof. 11. A method according to any one of claims 1-3, 4, 5, or 6-10 wherein ultrasound is applied through an intravascular ultrasound catheter.
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