A rod-shaped implant for stabilizing bone structures, in particular the spinal column is provided, the pedicle screw with connecting rod implant comprising a rod member having a first end with screw and a second end with pin joint connector. The pedicle screw has one end with screw and the other end with ball head, which can be mounted in concave socket of the connector, forming a mobile fixation. The rod members can be connected with the plastic tubular connected through the interior screw so as to adjust the length between the upper and lower rod-member. The plastic hollow connector exhibits flexibility, providing the bending and twisting resistance ability.一種脊椎撓性穩定裝置包括二骨釘、二球窩接頭、二連桿與一連接器。骨釘一端具有外螺紋供鎖入椎骨,另一端可拆卸地設有圓弧樞件,而球窩接頭供骨釘之樞件套合,使得患者在裝設脊椎固定裝置後仍可進行微幅的活動。另縱向以連桿配合連接器以連接各球窩接頭,連接器具撓性,且連桿與連接器以螺紋套合手段可調節各球窩接頭的間距。故本創作可以各角度適度調整並具有撓性,降低對椎體骨節生物力學特性之影響。