单密封唇V形弹簧加强，适用于转轴圆度不佳或偏摆较大的密封。

Single lip with "V" spring reinforced, suitable for poor roundness and largely swung rotary shaft sealing.

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目的：探索单侧唇裂术后继发唇鼻畸形较好的治疗方法。

Objective:To explore a good method for secondary unilateral cleft lip repair.

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结果单侧完全性唇裂和唇腭裂患者唇裂术后的上唇面积和上白唇高均明显小于正常对照组。

Results The area and height of upper lip in both complete unilateral cleft lip group and cleft lip and palate group decreased significantly than that of normal group.

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