PROBLEM TO BE SOLVED: To provide an implant capable of preventing and treating injury caused by repeated stress applied to a bone and/or soft tissue of a living body.SOLUTION: The implant comprises: a container that is configured expansively deformably by injecting a filling material including a substance exerting a pharmacological effect on the bone and/or soft tissue of the living body and a hardening material formed into a porous elastic body after a hardening reaction, and, after the expansive deformation, is placed in the living body, with at least a part of the outer surface coming into contact with the bone and a release part that is provided in the container and releases the substance exerting the pharmacological effect, outside the container by external pressure applied to the container when the living body moves.COPYRIGHT: (C)2015,JPO&INPIT【課題】生体の骨及び/又は軟組織への繰り返し応力による損傷を防止及び治療することのできるインプラントの提供。【解決手段】生体の骨および/または軟組織に対して薬理学的作用を及ぼす物質と硬化反応後に多孔質の弾性体をなす硬化材とを含む充填材の注入によって拡張変形可能に構成され、拡張変形後に少なくとも外表面の一部が骨に当接した状態で生体内に留置される容器と、容器に設けられ、生体が体動した際に容器に付与される外圧によって薬理学的作用を及ぼす物質を容器の外部へ放出する放出部と、を有するインプラントである。【選択図】図1
