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    • 7. 发明申请
    • Ultrasonic imaging system utilizing a long-persistence contrast agent
    • 超声波成像系统利用长持续造影剂
    • US20050244338A1
    • 2005-11-03
    • US11110416
    • 2005-07-13
    • Ernest Schutt
    • Ernest Schutt
    • A61K49/00A61B8/00A61K49/22B01J13/02F21V8/00
    • A61K49/227A61K49/223G02B6/0006
    • An ultrasound contrast agent precursor composition comprising: a plurality of void containing polymeric structures; a fluorocarbon gas osmotic agent having a water solubility of not more than about 0.5 mM at 25° C. and one atmosphere; and a phospholipid associated with said structures, wherein said structures, said gas and said phospholipid are together adapted to form microbubbles upon addition of said microbubble precursor composition to an aqueous medium. An ultrasound contrast agent precursor composition comprising: lyophilized void containing structures; a perfluorocarbon gas osmotic agent, said gas osmotic agent dispersed in said voids; and a phospholipid associated with said structures, wherein said structures, said gas and said phospholipid are together adapted to form an ultrasound contrast agent upon addition of an aqueous liquid. An ultrasound contrast agent precursor composition comprising: spray dryed void containing structures; a perfluorocarbon gas osmotic agent, said gas osmotic agent dispersed in said voids; and a phospholipid associated with said structures, wherein said structures, said gas and said phospholipid are together adapted to form an ultrasound contrast agent upon addition of an aqueous liquid. An ultrasound contrast agent comprising a plurality of microbubbles comprising a phospholipid further comprising a perfluorocarbon gas osmotic agent.
    • 一种超声造影剂前体组合物,其包含:多个含有聚合物结构的空隙; 在25℃和一个大气压下水溶解度不大于约0.5mM的氟烃气体渗透剂; 和与所述结构相关的磷脂,其中所述结构,所述气体和所述磷脂一起适于在将所述微泡前体组合物加入到水性介质中时形成微泡。 一种超声造影剂前体组合物,其包含:含冻结空隙的结构; 全氟化碳气体渗透剂,所述气体渗透剂分散在所述空隙中; 和与所述结构相关联的磷脂,其中所述结构,所述气体和所述磷脂一起适于在加入水性液体时形成超声造影剂。 一种超声造影剂前体组合物,其包含:含有喷雾干燥空隙的结构物; 全氟化碳气体渗透剂,所述气体渗透剂分散在所述空隙中; 和与所述结构相关联的磷脂,其中所述结构,所述气体和所述磷脂一起适于在加入水性液体时形成超声造影剂。 一种包含多个微泡的超声造影剂,其包含还包含全氟化碳气体渗透剂的磷脂。
    • 9. 发明申请
    • Mixed gas microbubble compositions
    • 混合气体微泡组合物
    • US20050281747A1
    • 2005-12-22
    • US11181661
    • 2005-07-14
    • Ernest SchuttDavid EvittsRene KinnerCharles AndersonJeffry Weers
    • Ernest SchuttDavid EvittsRene KinnerCharles AndersonJeffry Weers
    • A61K49/00A61B8/00A61K49/22B01J13/02F21V8/00
    • A61K49/227A61K49/223G02B6/0006
    • A microbubble preparation formed of a plurality of microbubbles comprising a first gas and a second gas surrounded by a membrane such as a surfactant, wherein the first gas and the second gas are present in a molar ratio of from about 1:100 to about 1000:1, and wherein the first gas has a vapor pressure of at least about (760-x) mm Hg at 37 C., where x is the vapor pressure of the second gas at 37 C., and wherein the vapor pressure of each of the first and second gases is greater than about 75 mm Hg at 37 C.; also disclosed are methods for preparing microbubble compositions, including compositions that rapidly shrink from a first average diameter to a second average diameter less than about 75% of the first average diameter and are stabilized at the second average diameter; kits for preparing microbubbles; and methods for using such microbubbles as ultrasound contrast agents
    • 一种由多个微泡形成的微泡制品,包括第一气体和被诸如表面活性剂的膜包围的第二气体,其中第一气体和第二气体以约1:100至约1000:1的摩尔比存在。 1,并且其中第一气体在37℃下具有至少约(760-x)mm Hg的蒸汽压,其中x是第二气体在37℃的蒸汽压,并且其中每个 第一和第二气体在37℃下大于约75mm Hg。 还公开了制备微泡组合物的方法,包括从第一平均直径快速收缩至小于第一平均直径的约75%的第二平均直径的组合物,并且稳定在第二平均直径; 用于制备微泡的试剂盒 以及使用这种微泡作为超声造影剂的方法