THIS CAROTID ANGIOPLASTY SYSTEM COMPRISES EITHER A BALLOON FOR ANGIOPLASTY OR SELF EXPANDABLE STENT OF DIFFERENT SIZES AND LENGTHS. IN ADDITION THERE IS A BALLOON OF 9 MM DIAMETER 2-3 CM DISTAL TO THE ANGIOPLASTY BALLOON OR STENT. THE FORMER BALLOON CAN BE INFLATED SEPARATELY WITH THE REQUIRED PRESSURE AND AMOUNT OF DYE TO OCCLUDE THE INTERNAL CAROTID ARTERY. THE PART OF THE CATHETER IN BETWEEN THE DISTAL BALLOON ACTS AS A PROTECTIVE DEVICE AND THE ANGIOPLASTY BALLOON OR SELF EXPANDABLE STENT CONTAINS MICRO HOLES. THESE HOLES ALLOW THE PASSAGE OF BLOOD AND PREVENT THE PASSAGE OF DEBRIS DISTALLY TO THE BRAIN VESSELS.
