FIELD: medicine.SUBSTANCE: injection assembly comprises a prefilled injetion device including a conjugation tip having a tubular connecting portion for liquid passage, a plug closing a free end of the tubular connecting portion of the conjugation tip, connected by means of a damageable portion with a free end of the tubular connecting portion, and a protecting device which comprises an integral body including a protecting part detachably mounted on the conjugation tip of the injection device so as to at least partially close and protect the mentioned conjugation tip, a connection part connected to the protecting part and having a socket outlet configured to interact with the plug, and a bearing part connected to the connection part, and an injection element which in the storage position detachably mounted on the bearing part, wherein the injection element comprises and injection needle and a connecting tip, connected to allow liquid passage with the injection needle, wherein the connecting tip can be mounted on the conjugation tip of the injection device in the using position of the injection element, wherein the injection element and the bearing part are made in such a way that in the storage position of the injection element the connecting tip can interact with the conjugation tip.EFFECT: invention provides an easy installation of the injection needle and limits the contamination risk of the conjugation tip of the injection device or injection needle.11 cl, 14 dwgИзобретение относится к медицине, а именно к инъекционным и защитным устройствам. Инъекционный узел содержит предварительно наполненное инъекционное устройство, включающее в себя наконечник сопряжения, имеющий трубчатую соединительную часть для прохождения жидкости, заглушку, закрывающую свободный конец трубчатой соединительной части наконечника сопряжения, соединенную посредством разрушаемого участка со свободным концом трубчатой соединительной части, и защитное устройство, которое содержит цельный корпу
