Information recording medium, columnar body having information recording medium affixed thereto, information reading device therefor, pharmaceutical injection device using this information reading device, information reading method, and non-transitory computer readable medium

摘要

It is an object to provide an information recording medium with which information symbols can be suitably read. This information recording medium comprises a sheet-form member (33), a plurality of information symbols (18) that are displayed on the surface of the sheet-form member (33) and each have the same information, and an edge line (34) that is provided at one end and/or the other end of the sheet-form member (33) and allows an information reading device which reads the information symbols (18) to recognize the end of the sheet-form member (33).