Application of the OCR‐B Symbol in the Data‐Processing System of the Finnish Red Cross Blood Transfusion Service

摘要

Abstract.We have used the Optical Character Recognition system B (OCR‐B) for automatic identification of blood samples on the Groupamatic 360 and in connection with computerized donor file management and control of blood product processing. For the Groupamatic system a device was constructed that lifts the samples, and during simultaneous rotation and downward movement, the OCR‐B identification number on the tube label ist read. The results indicate that with appropriate control and check digit design it is possible to achieve an economical and safe machine‐readable identification s