Fluid transfer device
First Claim
1. A fluid transfer device for transferring fluid between a supply reservoir and a fill reservoir comprising:
- a metering reservoir;
a first flow path having a first one-way channel fluidly connected with the metering reservoir and configured to fluidly couple the supply reservoir and the metering reservoir and a second one-way channel fluidly connected with the metering reservoir and configured to fluidly couple the fill reservoir and the metering reservoir; and
a second flow path configured to fluidly couple the supply reservoir and the fill reservoir,wherein expanding the metering reservoir draws fluid from the supply reservoir via the first one-way channel into the metering reservoir, compressing the metering reservoir expels the fluid from the metering reservoir into the fill reservoir via the second one-way channel and expelling the fluid into the fill reservoir displaces air in the fill reservoir into the supply reservoir via the second flow path.
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Accused Products
Abstract
A fluid transfer device for transferring fluid between a supply reservoir and a fill reservoir includes a metering reservoir and a manifold that forms at least part of a first channel that is fluidly connected with the metering reservoir. The first channel comprises a first cannula extending from the manifold. The manifold forms at least part of a second channel fluidly connected with the metering reservoir. The second channel comprises a second cannula extending from the manifold. A third channel extends through the manifold and comprises a third cannula having a first end proximate a distal end of the first cannula and a second end proximate a distal end of the second cannula. A first check valve is disposed within the first channel and a second check valve is disposed within the second channel.
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Citations
39 Claims
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1. A fluid transfer device for transferring fluid between a supply reservoir and a fill reservoir comprising:
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a metering reservoir; a first flow path having a first one-way channel fluidly connected with the metering reservoir and configured to fluidly couple the supply reservoir and the metering reservoir and a second one-way channel fluidly connected with the metering reservoir and configured to fluidly couple the fill reservoir and the metering reservoir; and a second flow path configured to fluidly couple the supply reservoir and the fill reservoir, wherein expanding the metering reservoir draws fluid from the supply reservoir via the first one-way channel into the metering reservoir, compressing the metering reservoir expels the fluid from the metering reservoir into the fill reservoir via the second one-way channel and expelling the fluid into the fill reservoir displaces air in the fill reservoir into the supply reservoir via the second flow path. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A fluid transfer device for transferring fluid between a supply reservoir and a fill reservoir, the fluid transfer device comprising:
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a metering reservoir; a first flow path having a first one-way channel fluidly connected with the metering reservoir and configured to fluidly couple the supply reservoir and the metering reservoir and a second one-way channel fluidly connected with the metering reservoir and configured to fluidly couple the fill reservoir and the metering reservoir; a second flow path configured to fluidly couple the supply reservoir and the fill reservoir; a member supporting the first and second one-way channels; a tray support connected to the member and configured to align the fill reservoir with the second one-way channel; and a tray slideably connected to the tray support and configured to accommodate the fill reservoir. - View Dependent Claims (35, 36)
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37. A fluid transfer device for transferring fluid between a supply reservoir and a fill reservoir, the fluid transfer device comprising:
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a metering reservoir; a first flow path having a first one-way channel fluidly connected with the metering reservoir and configured to fluidly couple the supply reservoir and the metering reservoir and a second one-way channel fluidly connected with the metering reservoir and configured to fluidly couple the fill reservoir and the metering reservoir; and a second flow path configured to fluidly couple the supply reservoir and the fill reservoir; wherein the first one-way channel includes a first cannula, the second one-way channel includes a second cannula and the second flow path includes a third cannula, and wherein the third cannula is disposed within the first cannula and a first end of the third cannula is curved toward an inner side wall of the first cannula proximate a distal end of the first cannula. - View Dependent Claims (38, 39)
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Specification