FIELD: medical engineering. SUBSTANCE: device has two syringes connected to mixing chamber having mixing member fixed inside it. Empty syringe is undetachably connected to mixing chamber. Some quantity of sterile gas is introduced into the mixing chamber to produce microbubbles. The mixing chamber is sealed with plug or cup. The second syringe is filled with liquid ingredient and sealed with plug or cup of echo-contrasting preparation The mixing member is made as a set of pins positioned in perpendicular relation to the internal wall of the pin-type mixing chamber. The pins are arranged in spiral pattern. EFFECT: enhanced effectiveness of ultrasonic examination. 4 dwg, 1 tbl
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