A vertebra articular process hook device is provided, which is characterized in that the device comprises an articular process hook which has a receiving seat and a fixing screw. The receiving seat can be mounted for connection with a connecting rod to be screwed and secured with the fixing screw. A hook arm is integrally extended from one side of the receiving seat. The approximately front 1/2 segment of the hook arm first is parallel to the connecting rod and extending outwardly, the approximately rear 1/2 segment of the hook arm then extends forwardly and downwardly to hook the spinal at the zygapophysis position.一種脊椎關節突鉤裝置,其特徵在於;該裝置包含有一關節突鉤,具有一承接座及一固定螺絲,該承接座可架設連接一連桿,及以該固定螺絲螺合壓制連接固定;該承接座一側,一體連結延伸有一鉤臂,該鉤臂約略前1/2段先平行該連桿向外延伸,及約略後1/2段再向前向下弧度勾持一脊椎椎體之關節突位置。1‧‧‧脊椎關節突鉤裝置10‧‧‧關節突鉤11‧‧‧承接座12‧‧‧固定螺絲13‧‧‧連桿14‧‧‧鉤臂141‧‧‧前1/3-1/2段142‧‧‧後1/2-2/3段
