Ohun elo afikun balloon isọnu ni a lo ni iṣẹ abẹ PTCA papọ pẹlu catheter balloon. Faagun alafẹfẹ naa nipa ṣiṣiṣẹ ẹrọ afikun balloon, nitorinaa faagun ohun-elo ẹjẹ tabi awọn stent gbin sinu ọkọ. Ohun elo afikun balloon isọnu jẹ sterilized nipasẹ ohun elo afẹfẹ ethylene, igbesi aye selifu jẹ ọdun 3.