Sanofi
Supplemental device for attachment to an injection device for recording and displaying a dose value set by the user using optical character recognition (OCR)

Abstract:

A supplemental device for attachment to an injection device, the supplemental device comprising: an imaging arrangement configured to capture an image of one or more numbers present on a moveable component of the injection device; and a processor arrangement configured to run a first algorithm to: receive data representing an image; determine the position of at least one number in the image by determining the boundaries of each visible number; select one of the visible numbers to be identified; perform a pattern matching process to identify the value of the selected number; and determine a dose dialled into the injection device using the determined position of the selected one of the at least one visible number in the image.