BUBBLE TRAP SYSTEMS FOR INFUSION PUMP DEVICES

摘要

Bubble traps for removing bubbles from a stream of liquid and flexible containers comprising such bubble traps are disclosed. The bubble trap includes a containment chamber fluidly coupled to an outlet conduit. At least one grate is disposed between the containment chamber and the outlet conduit. The at least one grate includes a plurality of grate inlets formed in a grate wall and fluidly coupled to the outlet conduit with a plurality of grate conduits such that the containment chamber is fluidly coupled to the outlet conduit. The grate traps bubbles entrained in the stream of liquid flowing from the containment chamber to the outlet conduit in the containment chamber when the bubbles are greater than or equal to a diameter of the grate inlets.

主权项

1. A method for degassing a liquid comprising:
providing a bubble trap comprising
a containment chamber;an outlet conduit; andat least one grate disposed between the containment chamber and the outlet conduit, the at least one grate comprising a plurality of grate inlets formed in a grate wall fluidly coupled to the outlet conduit with a plurality of grate conduits such that the containment chamber is fluidly coupled to the outlet conduit wherein the grate traps bubbles entrained in the stream of liquid flowing from the containment chamber to the outlet conduit in the containment chamber when the bubbles are greater than or equal to a diameter of a grate inlet; connecting the bubble trap to a pressurized liquid supply; evacuating the bubble trap; filling the bubble trap with liquid in a reverse flow direction, from the outlet conduit through the grate inlets of the grate of the bubble trap to remove bubbles from the bubble trap prior to operation of the bubble trap; and directing a stream of liquid through the bubble trap to degas the liquid.