Devices and methods for filtering blood. The devices generally comprise a mesh for filtering blood flowing within a blood vessel, particularly within an artery such as the aorta, a structure adapted to open and close the mesh within the blood vessel, and a means to actuate the structure. The methods...http://www.google.es/patents/US8025674?utm_source=gb-gplus-sharePatente US8025674 - Cannula with associated filter and methods of use during cardiac surgery
Cannula with associated filter and methods of use during cardiac surgery