A collection of sterile devices used with a supersaturated oxygen (SSO2) therapy system for the infusion of autologous blood mixed with an SSO2 solution (producing oxygen-enriched hyperoxaemic blood) to a targeted coronary artery immediately following revasculization by means of percutaneous coronary intervention (PCI) with stenting. It typically consists of a dedicated catheter and a cartridge with connectors. This is a single-use device.