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    • 80. 发明授权
    • Gaseous ultrasound contrast media and method for selecting gases for use as ultrasound contrast media
    • 气体超声造影剂和用于选择用作超声波造影剂的气体的方法
    • US06620404B1
    • 2003-09-16
    • US09670894
    • 2000-09-28
    • Steven C. Quay
    • Steven C. Quay
    • A61K9133
    • A61K49/223
    • Disclosed herein are agents for enhancing the contrast in an ultrasound image. These agents are extremely small bubbles, or “microbubbles,” comprised of specially selected gases. The microbubbles described herein exhibit long life spans in solution and may be produced at a size small enough to traverse the lungs, thus enabling improved ultrasound imaging of the cardiovascular system and other vital organs. Also disclosed herein is a method for selecting gases from which contrast agents may be produced. The method is based on calculations using inherent physical properties of gases and describes a means to associate the properties of a gas with the time for dissolution of microbubbles comprised of the gas.
    • 本文公开了用于增强超声图像中的对比度的试剂。 这些试剂是非常小的气泡,或由特殊选择的气体组成的“微泡”。 本文描述的微泡在溶液中显示出长寿命,并且可以以足够小的尺寸产生穿过肺,从而能够改善心血管系统和其他重要器官的超声成像。 本文还公开了用于选择可以从其中产生造影剂的气体的方法。 该方法基于使用气体的固有物理性质的计算,并且描述了将气体的性质与由气体组成的微泡溶解的时间相关联的手段。