A medical image system comprises a medical imaging apparatus, an injector, and a hospital management server having database. The injector has (a) communicating means for allowing communication with the hospital management server； and (b) a patient identifying portion which includes a detecting means for detecting patient-specific information and a means for transmitting the recognized information, further comprising (c) checking means being provided for at least one of the hospital management server and the injector or being provided as a separate apparatus, the means receives information transmitted from the patient identifying portion, and checks the received information to identify the patient.
