Gas filled liposomes and their use as ultrasonic contrast agents
First Claim
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1. A contrast agent for ultrasonic imaging comprising a gas filled liposome prepared by a vacuum drying gas instillation method.
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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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24 Claims
- 1. A contrast agent for ultrasonic imaging comprising a gas filled liposome prepared by a vacuum drying gas instillation method.
- 11. A contrast agent for ultrasonic imaging comprising a gas filled liposome substantially devoid of liquid in the interior thereof.
- 21. A kit for ultrasonic imaging comprising gas filled liposomes prepared by a vacuum drying gas instillation method.
- 23. A kit for ultrasonic imaging comprising gas filled liposomes, substantially devoid of liquid in the interior thereof.
Specification