摘要 |
Methods and apparatus are provided for removing emboli during an angioplasty, stent, or surgical procedure comprising a catheter (11) having an occlusion element (10), an aspiration lumen, a blood outlet port in communication with the lumen, a guide wire (20) having a balloon, a venous return catheter with a blood inlet port (51), and tubing that couples the blood outlet port (48) to the blood inlet port. A blood filter (50), a flow sensor, a flow control valve (175). A pump may also be included inline with the tubing to better facilitate filtering of emboli from blood reperfused into the patient, to better monitor, and control the degree of flow reversal. |