Objective To explore the methods for avoiding obvious fluctuation of blood pressure during the change of the injector when pumping the active drugs of blood vessels with a micro-infusion pump.
目的探讨当使用微量泵泵入血管活性药物时，避免因更换注射器而造成血压明显波动的微量泵使用方法。
Then we prove stability of this system in case of the normal operations by Liapunov's direct method, and apply the system to micro-injector actually for showing the effectiveness of the mechanism.
利用李雅谱诺夫直接方法分析了系统的稳定性，使系统应用的微喷射器表现了很好的机械性能。
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