结论新型颈垫能维持颈椎向前凸的生理曲线，感觉舒适，减轻痛苦，可发挥最大的牵引效能，提高疗效，缩短牵引时间和住院时间。
Conclusion : This new developed cervical pad can improve efficiency of traction , reduce time for treatment and hospitalization , and decrease patients ' discomfort .
颈椎生理曲线