The present invention relates to a medicament delivery device comprising a housing (12) a medicament container (14) arranged within said housing medicament delivery drive means (22, 24) manually operable release means (38) and a movement speed control mechanism (44, 46, 48) comprising at least one fixed, flexible and elongated flexible compartment (48) containing a liquid, and at least one flexible speed control member (44, 46) connected to the medicament delivery drive means wherein said at least speed control member is arranged to be pressing on said at least one flexible compartment for forcing said liquid past said member and thereby creating a movement speed control of said medicament delivery drive means when moved.本發明關於一藥物輸送裝置,係包括一外殼(12);一藥物容器(14)位於該外殼內;藥物輸送驅動裝置(22、24);手動操作鬆開裝置(38);和一移動速度控制機制(44、46、48)包括至少一固定、撓性且瘦長隔室(48)裝有液體,和至少一撓性速度控制構件(44、46)連接於藥物輸送驅動裝置;在此至少該速度控制構件被按壓於至少該一撓性隔室上,以迫使該液體通過該構件,且因此當移動時產生該藥物輸送驅動裝置的移動速度控制。12‧‧‧外殼14‧‧‧藥物容器18‧‧‧藥物施打裝置20‧‧‧瓶塞22‧‧‧柱塞桿24‧‧‧動力源26‧‧‧導桿30‧‧‧(撓性)臂32‧‧‧突起34‧‧‧壁架36‧‧‧臂38‧‧‧驅動器40‧‧‧彈簧42‧‧‧固定面44‧‧‧(撓性)速度控制構件46‧‧‧接觸面48‧‧‧(撓性)隔室
