The present invention relates to a shell assembly for a medicament delivery device (14), which shell assembly comprises at least one first shell section (12； 102) provided with an entry passage (18； 105) and designed such that at least a major part of a medicament delivery device (14) entered through said entry passage (18； 105) is accommodated inside said at least one first shell section (12； 102), a closure element (38； 104) operably arranged to said at least one first shell section (12； 102) for closing said entry passage (18； 105), and fixation elements (20, 32, 34, 48, 54, 58； 106, 108, 116, 122, 126) arranged for fixating said medicament delivery device (14) in relation to said at least one first shell section (12； 102) and said closure element (38； 104).本發明有關用於藥物輸送裝置(14)之殼體組件，該殼體組件包含至少一個第一殼體區段(12；102)，設有入口通道(18；105)及被設計，使得經過該入口通道(18；105)進入的藥物輸送裝置(14)之至少一個主要零件被容納在該至少一個第一殼體區段(12；102)內側；閉合元件(38；104)，可操作地配置至該至少一個第一殼體區段(12；102)，用於閉合該入口通道(18；105)；及固定元件(20、32、34、48、54、58；106、108、116、122、126)，被配置用以關於該至少一個第一殼體區段(12；102)及該閉合元件(38；104)固定該藥物輸送裝置(14)。
