Disclosed is an auto-injection apparatus (10) for receiving a syringe, comprising: an outer casing (12) which encloses a drive assembly (32) and a syringe carrier (26) configured to hold a barrel (20) of the syringe, the syringe carrier (26) being forward of the drive assembly (32) and having a stowed position and a delivery position； an interlock (54) which extends between the syringe carrier (26) and a syringe carrier housing (58) which at least partially surrounds the syringe carrier (26), the interlock (54) preventing the forward motion of the syringe carrier (26) under the influence of an insertion actuator (48) whilst in the stowed position； wherein the drive assembly (32) comprises the insertion actuator (48) for inserting a needle (14) of the syringe into an injection site and a delivery actuator (38) for driving a plunger (30) into a barrel (20) of the syringe which contains a substance for injection； and, wherein the syringe carrier (26) comprises an interlock release mechanism (56) which is configured to release the interlock (54) such that the insertion actuator (48) drives the syringe carrier (26) forward.所公開的是一種用於接納注射器的自我注入裝置（10），包括：用於包圍驅動配件（32）和被配置成保持注射器的注射筒（20）的注射器托架（ 26）的外殼（12），所述注射器托架（26）位於驅動配件（32）的後部，並且具有存放位置和輸送位置；互鎖件（54）， 其在注射器托架（26）與至少部分圍繞注射器托架（26）的注射器托架殼體（58）之間延伸，該互鎖件（54）防止注射器托架（ 26）在處於存放位置的同時在插入致動器（48）的影響下向前運動；其中驅動配件（32）包括用於將注射器的注射針（14 ）插入注射部位的插入致動器（48）以及用於驅動柱塞（30）進入包含了注入物質的注射器的注射筒（20）的輸送致動器（38 ）；以及其中注射器托架（26）包含互鎖件釋放機制（56），其被配置成釋放互鎖件（54），以使插入致動器（48 ）向前驅動注射器托架（26）。
