A device for intra medullary antibiotic perfusion has a structure that can access easily from the outside and flexibly enables the administration of an antibiotic that is most suitable for a target site according to the circumstances.The device for intra medullary antibiotics perfusion (iMAP) 100 is a device for perfusing an antibiotic into the bone fracture surgical site. It comprises a fixation pin (iMAP pin) 110 which comprises a shaft 111, a side face opening 114 formed on the side face of the shaft a base end opening 115 formed in the base end part of the shaft 111, a hollow portion 113 penetrating from the side face opening 113 to the base end opening 115 of the shaft and a screw part 112 formed besides the front end of the shaft 111 and to be screwed into a bone. The fixation pin (iMAP pin) 110 is fixing into a bone externally at a bone fracture site. A transfusion tube connector 120 receives an antibiotic provided from the antibiotic transfusion tube and allows intra medullary antibiotics perfusion from the side face opening 114 of the fixation pin (iMAP pin) 110 via the hollow portion 113.
