[MEANS FOR SOLVING PROBLEMS] The injectable composite material comprising a fibrous material comprising a biocompatible low melting polyester first dispersed in a host medium comprising a biocompatible low-melting polyester of the second. [Reference Diagram Figure 4【解決手段】第2の生体適合低融点ポリエステルを含むホスト媒体に分散された第1の生体適合低融点ポリエステルを含む繊維状物質を含む注入可能な複合材料。【参考図】図4