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    • 7. 发明授权
    • Ambulatory infusion pump assembly and housing therefor
    • 动态输液泵组件及其壳体
    • US07914490B2
    • 2011-03-29
    • US12607495
    • 2009-10-28
    • David W. WrightConstance Ann GordenChristopher Andrews
    • David W. WrightConstance Ann GordenChristopher Andrews
    • A61M1/00
    • A61M5/14248A61M2005/14264A61M2205/7536
    • An ambulatory infusion pump assembly and housing therefore has a cover and a base providing an enclosed cavity. The system includes a liquid pump in fluid communication with a supply source of a liquid drug. The pump and supply source are received in the housing cavity. Further, the system includes a seal providing a liquid tight seal between the cover and the base. A through passage extends from the enclosed cavity external to the housing and an infusion tube extends through the through passage. A fluid tight seal is formed about the infusion tube. A vent is provided in the housing that maintains a balanced pressure state between the enclosed cavity and the atmosphere, while at the same time, the vent prevents the ingress and egress of contaminants into and fluid out of the enclosed cavity.
    • 因此,移动式输液泵组件和壳体具有盖和提供封闭空腔的底座。 该系统包括与液体药物的供应源流体连通的液体泵。 泵和供应源被容纳在壳体腔中。 此外,该系统包括在盖和基座之间提供液密密封的密封件。 通过通道从壳体外部的封闭空腔延伸,并且输注管延伸穿过通道。 围绕输液管形成流体密封。 在壳体中设置有一个通气口,其在封闭空腔和大气之间保持平衡的压力状态,同时,通风孔防止污染物进入和流出封闭空腔。