Devices and methods for inserting a pre-loaded intracanalicular plug for the treatment of dry eyes. In one embodiment, an intracanalicular plug inserter device includes: (a) an elongate body having a longitudinal axis, the body having: an inserter end, wherein the inserter end has an opening therein； and a distal end, wherein the distal end is longitudinally opposing the inserter end； and (b) a plug ejector, wherein the plug injector comprises: a slider； and a rod coupled to a first end of the slider, wherein the plug ejector is configured to be moveable between a first position adjacent an opening in the inserter end and a second position that is further from the opening. The plug is mounted within the body and abuts first end of the rod adjacent the opening in the inserter end.用於插入用於治療乾眼之一預載管內栓的裝置及方法。在一個實施例中，一種管內栓插入物裝置包括：(a)一細長主體，該細長主體具有一縱軸，該主體具有：一插入物端，其中該插入物端在其中具有一開口；及一遠端，其中該遠端與該插入物端在縱向上相對；及(b)一栓噴射器，其中該栓噴射器包括：一滑件；及一棒，該棒耦接至該滑件之一第一端，其中該栓噴射器經組態成可在與該插入物端中之一開口相鄰的一第一位置與離該開口較遠之一第二位置之間移動。該栓安裝於該主體內且鄰接與該插入物端中之該開口相鄰的該棒之第一端。
