This creation is a kind of related anal intestine injection tube of what,Its mainly include injection cylinder,Inner push-rod,Preceding covering and upper cover,Wherein the injection cylinder, which is equipped with, collects two space of Hou before section is formed by,Front space for be placed in medicament,Hou space supplies to install an inner push-rod,And inner push-rod front end corresponds to closely sealed what front space,Its medicament is set not to be back to Hou space,And the corresponding front space for being arranged covering what and collecting section is covered as before this,Medicament is set not flow out injection cylinder front end injection port,The laminating upper cover in what injection cylinder Hou end again； Thereby,It is placed in using preceding covering is corresponding by injection cylinder Hou end,And covering corresponded to pushing and pressing inner push-rod and medicament is injected what human body in the past,To reach the effect of can reducing injection tube volume itself person.本創作係有關於一種肛腸用注射筒，其主要包含有注射筒體、內推桿、前覆蓋及上蓋，其中該注射筒體設有收束段所形成的前後兩空間，前空間供置入藥劑，後空間供置設一內推桿，且內推桿前端對應密合於前空間，使其藥劑不回流至後空間，而該前覆蓋為對應套設覆蓋於收束段的前空間，使藥劑不流出注射筒體前端注射口，再於注射筒體後端覆合一上蓋；藉此，可利用前覆蓋對應置入由注射筒體後端，且以前覆蓋對應推抵內推桿而將藥劑注入於人體，以達到可縮小注射筒本身體積的功效者。
