PROBLEM TO BE SOLVED: To provide a fracture part treatment member that enables bone regeneration efficiently.SOLUTION: A fracture part treatment member (10) that connects a bone on one side to a bone on the other side sandwiching a fracture part includes a rod-like fixing member (11), and a tissue regeneration structure (15) disposed so as to cover at least a part of the outer periphery of the fixing member. The tissue regeneration structure includes a support body composed of a bioabsorbable material, and a cell for regenerating a bone held by the support body.COPYRIGHT: (C)2015,JPO&INPIT【課題】効率よく骨再生を可能とする骨折部治療用部材を提供する。【解決手段】骨折部を挟んで一方側の骨と他方側の骨とを連結する骨折部治療用部材(10)であって、棒状の固定部材(11)と、固定部材の外周の少なくとも一部を覆うように配置される組織再生構造体(15)と、を備え、組織再生構造体は、生体吸収性材料から構成された支持体、及び、支持体により保持された骨を再生する細胞を有する。【選択図】図1