A kind of spinal fixation system comprising:A plurality of fixed devices, proximal end are connecting end, the distal end vertebral segments to be fixed to fixation；One bony union device links with the connecting end of the equal fixed device；Its characteristic exists:The equal fixed device, at least one of them is hollow fixed device, its proximal end is connecting end, distal end is perfusion end, and should or this etc. hollow fixed device, further combined with a cladding parts, to the perfusion end via the hollow fixed device, it fills in or pours into medical fill material what cladding parts, medical treatment fill material what perfusion is made to complete Hou into bulk.一種脊椎固定系統，其包括：複數個固定裝置，近端為連結端，其遠端用以固定待固定的脊椎骨節；一骨連結裝置，其與該等固定裝置的連結端連結；其特徵在：該等固定裝置，其中至少一者為中空固定裝置，其近端為連結端，遠端為灌注端，且該或該等中空固定裝置，進一步結合一包覆部件，用以經由該中空固定裝置的灌注端，塞入或灌入醫療填充物料於該包覆部件中，使該醫療填充物料於灌注完成後成團狀。
