To provide a system for delivering an oxygen carrier, whereby a deoxygenated oxygen carrier can be oxygenated and efficiently delivered to an ischemic tissue, an oxygenation device for an oxygen carrier, and a housing for an oxygen carrier. A system (10) for delivering an oxygen carrier, the system including: a housing (2) in which a hemoglobin-based oxygen carrier is housed in a deoxygenated state an oxygenation part for oxygenating the deoxygenated oxygen carrier and a long element (5) which can be inserted into a living organism and can release the oxygenated oxygen carrier through a lumen (52) that is formed inside thereof.
