Medical Injection Device With Large Mechanical Cipher Dose Display

Abstract: An injection device is disclosed which comprises a housing (10) with a display for showing the size of a set dose. The display is formed from a number of individual ciphers (11 40) which each comprises a plurality of segments (13 14) extending horizontally and vertically. At the end of the injection device a dose setting element (20) is provided for allowing the user to set the size of the dose to be injected. Further the display mechanism comprises a first pattern (35) for showing the vertical segments (14) and a second pattern (25) for showing the horizontal segments (13). The patterns (25 35) are associated with the dose setting button (20) and arranged to be moved when the dose setting button (20) is operated. The injection device disclosed can have any number of ciphers (11 40) which is coupled to each other in order to show to the user the size of any dose set.

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