The polyaxial hollow bone nail of property of the adjustable perfusion bone mudflow amount of one kind, comprising: a hollow cone cell screw rod, a polyaxial rotation thread head, a block and a set screw, hollow cone cell screw body is equipped with a multi-segmental internal diameter axial direction central through-hole and several lateral perforation. Bone mud is through multi-segmental internal diameter axial direction central through-hole channel pressings and injects bone mud, and when bone mud adverse current occurs, the internal diameter design of multi-segmental internal diameter axial direction central through-hole difference section reaches adjustable bone mudflow amount purpose. One fixed link must pass through polyaxial rotation thread head, one set screw, which must be screwed into the polyaxial rotation thread head and push against, fixes the fixed link, it interlocks fixed link and pushes against block and hollow cone cell screw rod downwards and fixed angle, make the hollow bone nail implantation Hou angle of this creation multiaxis tropism be not easy to loosen, promotes successful surgery probability.一種可調節灌注骨泥流量之多軸向性中空骨釘，其包括：一中空錐狀螺桿、一多軸向轉動螺紋頭、一擋塊與一止付螺絲，中空錐狀螺桿本體設有一多節段內徑軸向中心貫穿孔及數個側向穿孔。骨泥經多節段內徑軸向中心貫穿孔通道擠壓並注入骨泥，發生骨泥逆流時，多節段內徑軸向中心貫穿孔不同區段之內徑設計，達到可調節骨泥流量目的。一固定桿得穿過多軸向轉動螺紋頭，一止付螺絲得螺入該多軸向轉動螺紋頭並抵緊固定該固定桿，連動固定桿向下抵緊擋塊及中空錐狀螺桿而固定角度，使本創作多軸向性中空骨釘植入後角度不易鬆動，提升手術成功機率。
