Device for oral injection administration in digestive tract

The device comprises a shell, a trigger assembly and a drug delivery assembly, the shell comprises a top cover on the upper portion of the shell, a middle shell arranged in the middle and a base located at the bottom, and the material density of the middle shell is smaller than that of the base, so that the device is in a tumbler shape; the triggering assembly comprises a soluble fixing component, an elastic component and a transmission component; the drug delivery assembly comprises a microneedle and a drug. According to the device provided by the invention, the liquid storage bag is arranged, so that the drug loading capacity is greatly increased, the drug loading capacity of 50 milligrams can be theoretically realized, and the drug loading capacity is greatly improved compared with the prior art. 本发明公开经口服在消化道内注射给药的装置，包括外壳、触发组件和给药组件，其中：外壳包括其上部的顶盖、置于中部的中间壳体和居于底部的底座，中间壳体的材料密度小于底座的材料密度，从而使装置呈不倒翁状；触发组件包括可溶性固定构件、弹性构件和传动构件；给药组件包括微针和药物。本发明提供的装置，通过设置储液囊，大大增加了载药量，理论上可以实现50毫克的载药量，相比现有技术有了极大的提升。