The result of embedding test was in accord with the ASTM standards of USA completely, the fibrotic membrane around the Ni-Ti alloys had become thinner with embedding time.

• 包埋实验结果也完全符合美国ASTM标准的要求,随包埋时间延长试件表面的纤维膜逐渐变薄,纤维积聚呈减少趋势。