The utility model relates to a 3D column impression customized oral opening device, the overall structure of which is composed of a first support body, a second support body and a screw rod, which is arranged to print out the shape conforming to the personal oral structure after oral 3D scanning.The invention is a practical and effective 3D line printer customized oral opener,The changes of oral structure after operation can be considered,It can be operated with one hand,The screw rod pivoted on the first support body can be moved for multi angle operation to lean against the second space of the second support body,FirstAfter the two propyls were put into the mouth in a closed state,And then rotate the nut on the screw to use the second support as the fixed end to open the first support,The patient's mouth can be easily expanded by one hand,Because of its light weight,No weight on one hand in the whole process,It can prolong the needs of patients for oral rehabilitation,At the same time, it is easy to clean,It can also take into account the characteristics of high strength and proper hardness of materials,It can increase patients' comfort and improve their quality of life,And effectively improve the effect of rehabilitation intervention,It can effectively reduce the cost of customized medical materials.一種3D列印客製化口腔張口器,其整體結構係以口腔3D掃描後列印出符合個人口腔構造之形狀者,包括一第一撐體、一第二撐體以及一螺桿所構成。本發明為實際有效一較佳3D列印客製化口腔張口器製作,可考量病患手術後口腔結構變化,於使用時以單手即可操作,利用樞接在第一撐體上之螺桿可移動作多角度操作靠抵在第二撐體之第二空間上,使第一、二撐體先呈閉合狀態放入口腔後,再轉動螺設在該螺桿上之螺帽以第二撐體作為固定端之方式往上撐開第一撐體,達到單手即可輕易擴張患者之口腔,更因整體重量輕,全程單手不顯重,可延長患者進行口腔復健工作之需求,同時易清潔,並可兼顧材料強度高而材質軟硬恰當之特性,可增加病患使用之舒適度及提高生活品質,並有效改善復健介入成效,更可有效降低客製化醫材之成本。