trace syringe pump

Continuous expansion by trace syringe pump began from the second day after expander placement. The speed of water injection was set by according to patient’s algesthesia reaction and vascularity of skin.
方法 分两期手术：Ⅰ期手术在病变内设计垂直小切口埋植扩张器，术后第二天开始用微量推注泵作持续注水扩张，主要根据病人的痛觉反应和皮肤血运情况调整注水速度，完成预计注水量。