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Anti-bubble valve for medical perfusion - with liquid entering bag to pass between membrane and plate to outlet while bubbles rise into air space
Anti-bubble valve for medical perfusion - with liquid entering bag to pass between membrane and plate to outlet while bubbles rise into air space
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机译:防气泡阀,用于医疗灌注-液体进入袋时,膜和板之间会通过膜到达出口,而气泡会进入空气空间
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摘要
The valve is used for medical perfusion and prevents bubbles passing into the liquid entering the patient's blood-stream. It comprises a flexible plastic bag (1) with a membrane on one side, forming part of the bag, fixed to the edges of a circular valve plate (8). A liquid is pumped (4) into the bottom of the bag and rises to cover the membrane, providing a reservoir. The fluid passes through holes (10) into the plate/membrane interface and flows through the outlet (9). Bubbles entering with the liquid rise into the air space (3) above fluid level, this space communicating with the ambient atmosphere through a filter (6, 6a).
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