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1. (WO2017148857) POWER EFFICIENT ACCESSORY DEVICE

Pub. No.:    WO/2017/148857    International Application No.:    PCT/EP2017/054493
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Tue Feb 28 00:59:59 CET 2017
IPC: A61M 5/20
A61M 5/315
Applicants: NOVO NORDISK A/S
Inventors: NIELSEN, Dan, Grønkjær
Title: POWER EFFICIENT ACCESSORY DEVICE
Abstract:
An add-on device adapted to be releasably attached to a drug delivery device, the drug delivery device comprising an indicator adapted to display a dose amount during dose setting, and to display the remaining dose amount to be expelled during drug expelling. The add-on device comprises an electronically controlled display adapted to display a set dose amount, a sensor assembly adapted to detect movement of the dose setting member when the add-on device is attached to a drug delivery device, a camera device adapted to capture an image of the indicator, and processor means adapted to (i) control the display dynamically to show the set dose amount based on input from the sensor assembly, and (ii) determine an expelled dose amount based on input from the camera device.