With concerns about fatigue strength of porous implants, ion release, and aderse femoral remodeling, some cementless femoral components hae been fabricated without porous coating.

• 考虑到多孔表面假体的疲劳强度、离子释放和不良股骨重建，一些无骨水泥固定股骨假体已取消了多孔表面。