A blood filtering catheter comprising three filters for cerebral embolic protection is provided. The catheter further includes at least one guidewire lumen. The catheter further includes at least one basket-shaped filter. The catheter further includes at least one filter made of a material impermeable to embolic materials. The catheter further includes means to control insertion direction of at least one filter. The catheter further includes at least one fluid lumen in an elongated catheter shaft, a fluid lumen having at least one fluid connection. The catheter further includes a distal end deflectable with respect to longitudinal axis of the catheter in absence of any deflection. The catheter further includes at least one radiological mark. Methods of using a blood filtering catheter for cerebral embolic protection including three filters are provided.
