The present invention relates to a medicament delivery device comprising an elongated housing (10) having opposite distal and proximal ends, a medicament container (18) arranged inside said housing (10), medicament delivery member (16) attachable to said medicament container, a plunger rod (22) arranged to act on a stopper (20) inside said medicament container (18), force means (28) arranged to act on said plunger rod (22) for forcing said plunger rod (22) against said stopper (20) for expelling medicament through said medicament delivery member (16), a dose setting mechanism (24, 32, 34, 36, 38) operably connected to said plunger rod, a manually operated release mechanism releasibly connected to said plunger rod, wherein said dose setting mechanism comprises a manually operating means transversally protruding through an elongated opening (39) on the longitudinal surface of the elongated housing, and a linear movable driver connected to said manually operating means and to said plunger rod.本發明關於一種藥物輸送裝置,其包括:瘦長外殼(10),具有相反的遠側端和近側端;藥物容器(18),被安置於該外殼(10)內側;藥物輸送構件(16),可附接於該藥物容器;柱塞桿(22),被配置用來作用於在該藥物容器(18)內側的塞子(20)上;施力裝置(28),被配置用來作用於該柱塞桿(22)上,以迫使推該柱塞桿(22)推抵該塞子(20),而經由藥物輸送構件(16)來排出藥物;劑量設定機構(24、32、34、36、38),可操作地連接至該柱塞桿;手動操作鬆開機構,可鬆開地連接該柱塞桿。其中該劑量設定機構包括:手動操作裝置,經由該瘦長外殼之縱向表面上的一瘦長開口(39)橫向地凸出;和可線性運動的驅動器,連接至該手動操作裝置及該柱塞桿。11‧‧‧遠側端壁12‧‧‧縱向14‧‧‧頸部(連接裝置)18‧‧‧藥物容器20‧‧‧塞子22‧‧‧柱塞桿24‧‧‧驅動器(套管狀構件)26‧‧‧杯狀物28‧‧‧彈力裝置32‧‧‧鈍齒輪(第一齒輪裝置)36‧‧‧板件(手動操作裝置)38‧‧‧按壓件(操作裝置)40‧‧‧第二齒條46‧‧‧手動操作鬆開機構48‧‧‧鎖件54‧‧‧鬆開桿56‧‧‧凸耳58‧‧‧按鈕60‧‧‧彈簧
