INTRAVENOUS ANTI-EMBOLIC FILTER Russian patent published in 2008 - IPC A61F2/01 

FIELD: medical equipment; surgical instruments.

SUBSTANCE: intravenous anti-embolic filter can be used for catching grums. Filter has catheter in form of hollow tube. There are thread-like members at one end of tube; members are oriented radial to hold grum. Catheter is also provided with flat radial directed members and with support member in form of ring made for rest of its external surface against wall of vein. Ring is mounted with concentricity to tube at one end of tube; ring is connected with tube by mentioned radial directed thread-like members. Flat radial oriented members are attached to external surface of tube in front of ring at side of other end of tube; flat members have cutting edge along their lengths. Cutting edge is turned to other end of tube, which end is closed at its edge. Through openings are made along length of tube I its sidewall in part disposed from closed edge to flat members provided with cutting edge. Anti-embolic device prevents migration of thrombotic masses and helps to crush the mass to separate components.

EFFECT: higher reliability of catching grums; higher efficiency of grum crushing; provision of normal blood current in vein.

1 dwg