| abstract |
The filter 10 is intended to be placed in the circulatory system of a human or an animal, in particular the vena cava 20, and is of the type comprising several elastic branches 3, 4, 5 arranged regularly around the axis median 2 of a central core 1 connecting these branches, and on either side of this core 1, some of said branches comprising at their end opposite to the core 1, a hook 3a directed outward for anchoring in the wall 20a of the vein 20. |