(EN) The present invention relates to a medicinal fluid injection device for injecting a medicinal fluid into the skin of a patient so as to induce collagen generation and skin regeneration according to the radial diffusion of the medicinal fluid, comprising: a case part constituting the appearance; a medicinal fluid provision part mounted on the case part and in which a storage container storing a medicinal fluid is mounted; a medicinal fluid supply part connected to the storage container so as to supply a medicinal fluid; a medicinal fluid pressurization part mounted on the case part, and connected to the medicinal fluid supply part so as to pressurize the supplied medicinal fluid; and a medicinal fluid discharge part mounted on the medicinal fluid supply part so as to inject, into the skin, the medicinal fluid supplied from the medicinal fluid supply part. The medicinal fluid discharge part comprises: an outer case in which a plurality of needles are provided; and an inner case provided such that the front end is inserted into the outer case so as to be coupled thereto and the rear end is coupled to the medicinal fluid supply part. A throughhole penetrating the inside and the outside of the inner case and forming a micro-jet from the medicinal fluid is formed at the front end of the inner case.
(ZH) 本发明涉及一种将药液注入到患者的皮肤内并使药液以放射形扩散，从而诱导胶原蛋白的产生和皮肤再生的药液注入装置，该装置包括：壳体单元，其形成外观；药液设置单元，其安装在壳体单元上，并且安装有储存药液的储存容器；药液供给单元，其与所述储存容器连接，并供给药液；药液加压单元，其安装在所述壳体单元上，并连接在所述药液供给单元，对供给的药液施加压力；以及药液排出单元，其安装在所述药液供给单元上，并将从所述药液供给单元供给的药液注入到皮肤内。其中，所述药液排出单元包括：外部壳体，在所述外部壳体上设置有多个针头；以及内部壳体，其前端部向所述外部壳体的内部插入并结合，后端部结合在所述药液供给单元。在所述内部壳体的前端部形成有贯穿所述内部壳体的内部与外部的贯穿孔，所述药液通过所述贯穿孔形成为微孔射流。
