Liquid mixture for taking up and stabilising gas bubbles,...

Details Liquid mixture for taking up and stabilising gas bubbles,... Liquid mixture for taking up and stabilising gas bubbles,...

A - Human Necessities

61

K

167/46

A61K 49/00 (2006.01) A61K 49/22 (2006.01)

Patent

CA 1199577

A B S T R A C T Liquid mixture for taking up and stabilising gas bubbles, and its manufacture and use as a contrast medium for ultrasonic diagnosis. The invention is concerned with an ultrasonic contrast agent for use in diagnosis of the human or animal body, which comprises a solution in an aqueous liquid carrier of (a) a tenside, and (b) a viscosity-increasing substance the solution having dispersed in it a plurality of micro-bubbles containing a physiologically tolerable gas, especially sterile air, oxygen, carbon dioxide, nitrogen, helium and/or argon. The invention also relates to a liquid medium for use in preparing the ultrasonic contrast agent, to a diagnostic kit and to a method of diagnosis of the human or animal body wherein the contrast agent is injected intravascularly.

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