USEFUL FILTERING DEVICE TO PARTIALLY DISCONTINUE THE LOWER VENA CAVA AND PERFORM AN EFFECTIVE BARRIER AGAINST EMBOLIC MIGRATION.

摘要

FILTERING DEVICE USED TO PARTIALLY DISCONTINUE THE LOWER VENA CAVA AND PERFORM AN EFFECTIVE BARRIER AGAINST EMBOLIC MIGRATION; IN THE DEVELOPED STATE OF SERVICE, IT INCLUDES A PROLONGED FILIFORM BODY (1) IN ONE OF ITS ENDS BY A FIRST FILTER CONSISTING OF SEVERAL FLEXIBLE THREADS (2), DIVERGENT, THESE THREADS ARE ALSO MAINTAINED WITH EACH OTHER. REGULAR, THE FREE END OF EACH WIRE IS LAYED OUTWARD TO FORM A RETAINING POINT (3). THE OTHER END OF SUCH BODY (1) ENDS IN A STABILIZER THAT ALSO DOES THE ROLE OF THE SECOND FILTER, CONSISTING OF SEVERAL FLEXIBLE THREADS (4) DIVERGENT IN RELATION TO SUCH BODY, THESE THREADS ARE ALSO MAINTAINED WITH ONE OR OTHER REGULAR CIRCUMFERENTIAL SEPARATION AND A CERTAIN ANGLE WITHOUT RELATION TO THE THREADS THAT CONSTITUTE THE FIRST FILTER.