It was safe and easy on mechanics, furthermore, it was more fit for physiological curvature than a common cervical traction apparatus.
力学分析符合安全、省力的要求，而且较一般的颈牵引设备更适合颈椎的生理弧度。
To observe the value of clinical application about a novel cervical traction apparatus that could recover cervical lordotic curvature.
观察一种新颖的，可以恢复颈椎前凸曲度牵引器的临床应用价值。
The adjustable cervical traction apparatus has convenient carrying and use, low cost and physical appearance, and is suitable for being used in publics.
本 发明携带、使用方便、价格低廉、外观自然，适合在公共场所使用。
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