Supplementary device for attachment to drug delivery device, number sleeve for drug delivery device, and drug delivery device

• Main Author: RIEDEL STEPHAN
• Format: Patent
• Language: Chinese; English
• Published: 13.07.2021
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATIONTECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING ORPROCESSING OF MEDICAL OR HEALTHCARE DATA; HUMAN NECESSITIES; HYGIENE; INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS; MEDICAL OR VETERINARY SCIENCE; PHYSICS

The application relates to a supplementary device for attachment to a drug delivery device, a number sleeve for the drug delivery device, and the drug delivery device. The supplementary device comprises: an attachment mechanism for coupling the supplementary device to the drug delivery device; an imaging arrangement configured to provide image data representing a captured image of one or more numbers present on a number sleeve of the injection device at a location on the number sleeve corresponding to a currently set dose of medicament; and a processor arrangement configured to: receive the image data representing the captured image; perform optical character recognition on the image data to determine a quantity of the currently set dose of medicament; cause display of the quantity of the currently set dose of medicament; process the image data to identify one or more characteristics of the number sleeve at the location; determine, from the characteristics, whether the currently set dose of drug is a permitte