Micro-fluidic device
First Claim
1. A micro-fluidic device for performing a diagnostic or analytical test, the device comprising:
- a sample chamber for receiving a sample;
a reaction chamber for performing a chemical reaction; and
a bubble jet vacuum pump structured to control delivery of a fluid from the sample chamber to the reaction chamber by pulling under vacuum, a selected volume of fluid into the reaction chamber wherein another volume of fluid is ejected from a fluidic circuit including the vacuum pump so as to create the vacuum.
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Accused Products
Abstract
Embodiments described herein provide micro-fluidic systems and devices for use in performing various diagnostic and analytical tests. According to one embodiment, the micro-fluidic device includes a sample chamber for receiving a sample, and a reaction chamber for performing a chemical reaction. A bubble jet pump is structured on the device to control delivery of a fluid from the sample chamber to the reaction chamber. The pump is fluidically coupled to one or more chambers of the device using a fluidic channel such as a capillary. A valve may be coupled to one or more chambers to control flow into and out of those chambers. Also, a sensor may be positioned in one or more of the chambers, such as the reactant chamber, for sensing a property of the fluid within the chamber as well as the presence of a chemical within the chamber.
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Citations
21 Claims
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1. A micro-fluidic device for performing a diagnostic or analytical test, the device comprising:
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a sample chamber for receiving a sample; a reaction chamber for performing a chemical reaction; and a bubble jet vacuum pump structured to control delivery of a fluid from the sample chamber to the reaction chamber by pulling under vacuum, a selected volume of fluid into the reaction chamber wherein another volume of fluid is ejected from a fluidic circuit including the vacuum pump so as to create the vacuum. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification