EP3810234A1 — Drug delivery device, method for manufacturing a drug delivery device and use of a welded connection

USPTO Abstract

Drug delivery device, method for manufacturing a drug delivery device and use of a welded connection. A drug delivery device (220) is proposed which comprises: a housing (100) defining an interior; a reservoir (130) which is adapted to contain a drug (150) or contains a drug, the reservoir being retained in the interior; and a closure part (200) which is secured relative to the housing and has to be disconnected from the housing to get access to the reservoir within the interior, wherein the closure part is secured relative to the housing by a connection, wherein the connection comprises a welded connection (250), and wherein the welded connection is formed between two join partners, i.e. a first join partner (100, 300) and a second join partner (200). Further, a method for manufacturing a drug delivery device is disclosed as is a use associated with drug delivery devices.