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Details for Patent: 6,875,420

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Details for Patent: 6,875,420

Title: Method of ultrasound imaging
Abstract: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.
Inventor(s): Quay; Steven C. (Edmonds, WA)
Assignee: Amersham Health AS (Oslo, NO)
Filing Date:Jul 18, 1997
Application Number:08/896,821
Claims:1. A method comprising ultrasound imaging, the improvement comprising enhancing the contrast in an ultrasound image by selecting for use as an enhancing agent microbubbles of a gas including perfluoropentane.
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