| 摘要 |
With the use of a selectable fluid path assembly, the recovery and cleaning of the liquid path line is possible. Selecting the primary use path permits a syringe assembly to be filled with fluid in a positive pressure supplied fluid system. When the secondary fluid path is selected, the fluid in the line can be reversed and with negative pressure pulled back through the line up to the pump motor and moved back into the bottle. With air following the liquid a bubble can be detected and stop the fluid reversal. With the use of a selectable fluid path assembly, the prevention of contamination of the remaining liquid in the bottle can be prevent through proper use of the fluid recovery system.
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