A drug delivery device includes a housing defining a shell having a proximal and a distal end, a needle assembly at least partially disposed within the housing at the proximal end, a drive assembly at least partially disposed within the housing, and a damper mechanism at least partially disposed within the housing adjacent to the distal end. The housing further defines a longitudinal axis extending between the proximal end and the distal end. The needle assembly includes a syringe barrel containing a medicament and a needle or a cannula. The drive assembly is operably coupled to the needle assembly to urge the medicament through the needle or cannula. The damper mechanism is operably coupled to the drive assembly and the housing. Upon activating the drive assembly, the damper mechanism dampens an effect thereof.一種藥物遞送裝置包括：限定了具有近端和遠端的殼體的外殼，在該外殼的近端至少部分地設置在該外殼內的針頭組件，至少部分地設置在該外殼內的驅動組件，以及與該遠端相鄰地、至少部分地設置在該外殼內的阻尼器機構。該外殼進一步限定了在該近端與該遠端之間延伸的縱軸。該針頭組件包括包含藥劑的注射筒以及針頭或套管。該驅動組件可操作地聯接至該針頭組件以促使該藥劑穿過該針頭或套管。該阻尼器機構可操作地聯接至該驅動組件和該外殼。在啟動該驅動組件時，該阻尼器機構抑制該驅動組件的作用。
