Vacuum infusion device

Details Vacuum infusion device Vacuum infusion device

A - Human Necessities

61

M

A61M 5/14 (2006.01) A61M 5/145 (2006.01)

Patent

CA 2059139

A vaccum biased disposable infuser is provided having a liquid chamber (14) and at least one vacuum chamber (44). The liquid chamber 114) includes a liquid plunger (26) contained therein while the vacuum chamber (44) includes a vacuum plunger (48). The plungers (26, 48) are connected by an arm such that when liquid under pressure is provided to the liquid chamber (14), the vacuum plunger (48) is drawn back in the vacuum chamber (44). The device is further preloaded such that at the end of infu- sion, the vacuum plunger (48) does not abut against the vacuum chamber (44).

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