A method for preparing filling pressure spreader of vertebral body, said vertebral body filling pressure spreader has the saccule, the said saccule is suitable for holding the curable biomaterial poured into by the said injection port, characterized by that, the said manufacturing approach comprises the following step:
Get have saccule noumenon and pour into saccule of port, wherein transform at the said sacculus noumenon into opening one's mouth, the size of the said opening sets up to allow the condensate of the intracapsular biomaterial of said ball to deviate from through the said opening,
Seal the said opening so as to transform into the Whole sacculus shape through binding material, wherein said binding material has sintering point of predetermined temperature value in exoergic temperature range in the solidification exothermic process of the said biomaterial.