A kind of external fixator,To solve known external fixator, structure is complicated,Operator is caused to install the problem of inconvenience,It includes: an ontology,With a fixed part,The fixed part is equipped with several perforation,The perforation has internal screw thread,One end of the fixed part is at least extended with an extension； An at least articulated part,System is pivoted the extension of the what ontology,Each articulated part can the above-mentioned extension of position what axially slide,The articulated part is equipped with an at least through-hole,The through-hole is equipped with internal screw thread； And several fixing pieces,Outer peripheral surface is equipped with external screw thread,The perforation of what ontology and the through-hole of articulated part are closed in several fixing piece tyings.一種外固定器，用以解決習知外固定器結構複雜，造成操作者裝設不便之問題，其包含：一本體，具有一固定部，該固定部設有數個穿孔，該穿孔具有內螺紋，該固定部之一端至少延伸有一延伸部；至少一樞接件，係樞設於該本體之延伸部，各樞接件可位於上述延伸部軸向滑移，該樞接件設有至少一通孔，該通孔設有內螺紋；及數個固定件，外周面設有外螺紋，該數個固定件係結合於本體之穿孔及樞接件之通孔。
