FIELD: medical engineering. SUBSTANCE: device has two filters joined with axial rod produced as curved braces fixed in casing and coming apart with their free ends distributed over a circle. Braces of both filters are oriented in the same directions. The axial rod has two halves connected in a way that enables their longitudinal relative displacement to take place when varying rod length. Loop for pulling or fixing an adjusting thread. EFFECT: enhanced effectiveness of treatment by implanting the device into the inferior vena cava. 4 cl, 1 dwg, 4 tbl
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