Patent ID: 9078970
Filing Date: 2015-07-14
Classification: A61M,Y10T

Abstract:
1. A drug delivery device comprising: a housing with a proximal end and a distal end, a cartridge adapted to accommodate a drug, a cartridge retaining member adapted to retain the cartridge, the cartridge retaining member releasably secured to the housing, characterized in that a first spring washer is arranged within the housing so as to exert a force on the cartridge and to secure the cartridge against movement with respect to the cartridge retaining member, the first spring washer having a proximal side being arranged so as to abut the cartridge on a side of the cartridge that faces the proximal end of the housing, and in that a second spring washer is arranged within the housing directly abutting the proximal side of the first spring washer and where a proximal side of the second spring washer abuts the housing to limit proximal movement of the second spring washer relative to the first spring washer in order to maintain abutment with the first spring washer.