FILTER OF INFERIOR VENA CAVA Russian patent published in 2019 - IPC A61F2/01 

FIELD: medicine.

SUBSTANCE: filter of inferior vena cava comprises extraction hook (1), connecting part (12) and multiple supporting rods. Connecting part (12) is located under extraction hook (1), at the same time in the connecting part the component connected to the pushing device is located. Plurality of first supporting rods (4) are branched from lower part of connecting component (12). One second supporting rod (2) and two third supporting rods (5) are branched from the distal end of each first supporting rod (4). One part of the distal end of the second support rod (2) is bent upward and downward to form a hook-like shape. Third support rods (5) continuously extend downward, wherein during expansion, third supporting rods (5) and third supporting rods (5) branched from first supporting rods (4) extend in the form of an inner arc, at that lower ends of adjacent two third supporting rods (5) branched from adjacent first two supporting rods (4) approach each other. When expanding, the supporting rods are folded to form a filter grid together.

EFFECT: filter of inferior vena cava is disclosed.

11 cl, 8 dwg