A system includes an introducer and balloon catheter to be placed in the introducer; at that, the introducer has guide stem 1 and from that top 4 in 20-30 mm distance the stem diameter is reduced in 0.4-0.5 mm for the purpose to place the introducer fixator thereon, which is executed as a pipe 3 of 18-20 mm length and fixing componentry 2 pressed thereon and removable therefrom freely. At that, fixing componentry plane is disposed in right angle relative to pipe axle; its diameter is 12-17 mm, and it is placed in 5-6 mm distance from pipe distal end. Balloon catheter includes polymeric shell 6, wherein couple of independent aperture-pipes are placed; at that, one aperture-pipe 8 is connected to the balloon 10 with its distal end, and another one 7 has outlet hole 9 on side surface for system supplement with cardioplegial solution. Calims: 1 independent