通过术前评估可以更精确地实现：
假体的颈干角与健侧一致
The neck-shaft angle of the prosthesis should be identical with uninjured side.
双下肢等长
Bilateral lower limbs in identical length.
假体的偏心距与健侧一致
The prosthesis offset should be identical with uninjured side.
双侧髋臼旋转中心高度一致
The height of bilateral acetabulum rotation center should be identical.
精确的假体植入
prosthesis implantation accurately.
获得最佳的软组织平衡和髋关节生物力学
Appropriate soft tissue balance and better biomechanical results of hip prosthesis.
