GAS FILLED LIPOSOMES AND THEIR USE AS ULTRASONIC CONTRAST AGENTS
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United States of America Patent
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Issued Date -
Sep 27, 2001
app pub date -
Dec 30, 1997
filing date -
Feb 22, 1994
priority date (Note) -
Abandoned
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Abstract
Contrast agents for ultrasonic imaging comprising gas filled liposomes prepared using vacuum drying gas instillation methods, and gas filled liposomes substantially devoid of liquid in the interior thereof, are described. Methods of and apparatus for preparing such liposomes and methods for employing such liposomes in ultrasonic imaging applications are also disclosed. Also described are diagnostic kits for ultrasonic imaging which include the subject contrast agents.
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