The invention relates to a pump actuating device, including variable space cavity, input channel and output channels, also includes an input protection cavity channel and the output channel is communicated, the protection of the cavity is provided with an elastic membrane, the elastic diaphragm will be the output channel interval into two segments. The actuating device in the downward movement, the elastic diaphragm corresponding action, the two section of the output channel. The pump of the invention has stable performance and controllable flow.
【技术实现步骤摘要】
【技术保护点】
一种泵,包括致动装置、可变空间腔体、输入通道及输出通道,其特征在于,还包括与所述输入通道和所述输出通道连通的保护腔体,所述保护腔体内设置一隔膜,所述隔膜将所述输出通道间隔成两段,所述隔膜响应所述致动装置动作,使两段输出通道连通或隔断。
【技术特征摘要】
【专利技术属性】
技术研发人员:罗七一,王勤,曾志海,刘宇程,杨平中,
申请(专利权)人:微创医疗器械上海有限公司,
类型:发明
国别省市:31[中国|上海]
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