Abstract Catheter comprising a proximal end and a distal end, a lumen extending therethrough, a blood outlet port and a blood inlet port in communication with the lumen, a 5 portion of the distal end having an outer diameter less than the outer diameter of the proximal end, and an inflatable member disposed on the distal end of the catheter and affixed to the portion of the distal end having an outer diameter less than the outer diameter of 10 the proximal end WO 00/76390 PCTUSOO/I 6393 go ICA I A> o 2 0 * S S 1 6 -11
