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。
To observe different changes of 15 cases of cervical spondylosis whose cervical curvature have been straight after the novel cervical traction apparatus was used.
观察15例颈椎曲度变直的颈椎病患者使用牵引器后的颈椎曲度变化情况。
To observe different changes of 15 cases of cervical spondylosis whose cervical curvature have been straight after the novel cervical traction apparatus was used.
观察15例颈椎曲度变直的颈椎病患者使用牵引器后的颈椎曲度变化情况。
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