A medicated module (4) for an injection system to co-deliver at least two medicaments is disclosed where a primary delivery device containing a primary medicament accepts a medicated module (4) containing a single dose of a secondary medicament (2) and where both medicaments are delivered through a single hollow needle (5). The medicated module (4) is user selectable so that it will deliver both the primary (1) and secondary medicaments (2), or only the primary medicament (1). The module (4) also contains a guard (42) that locks after dose delivery.本發明揭露一用於一注射系統以共同輸送至少二藥劑之醫療模組(4),其中一含有一主要藥劑之主要輸送裝置接受一含有一次要藥劑(2)的單一劑量之醫療模組(4)且其中兩藥劑皆經由單一中空針頭(5)被輸送。使用者可選擇的醫療模組(4)將輸送主要(1)及次要藥劑(2)兩者,或只輸送主要藥劑(1)。模組(4)亦含有一在劑量輸送後鎖定之護套(42)。1...第一藥劑,主要藥劑,藥劑2...第二藥劑,次要藥劑,藥劑3...針頭,輸出針頭4...醫療模組5...針頭,接合針頭,主要針頭8...附接部件10...殼體11...匣,主要貯器31...囊袋,貯器,次要貯器40...選擇器42...護套,針頭護套,安全護罩43...腔穴44...遠端47...滑動鎖具48...壓縮彈簧
