METHOD AND APPARATUS FOR POINT OF CARE OSMOLARITY TESTING
First Claim
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1. A sample receiving chip comprising:
- a substrate having a fluid pathway passing through the substrate for receiving a sample fluid, the fluid pathway including a first port, at least one second port, and a recessed channel, the recessed channel enclosed in the substrate; and
at least two electrodes positioned in the substrate to contact the sample fluid in the recessed channel to measure properties of the sample fluid.
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Abstract
An apparatus and a method are disclosed for providing point of care testing for osmolarity of a bodily fluid. An apparatus is disclosed as having a fluid pathway passing through it for receiving and testing a sample fluid. The invention permits osmolarity testing of a sample fluid wherein the sample fluid has a volume of less than approximately 30 nL, and implements a method and device to measure fluid osmolarity in a clinical setting quickly and accurately, while also reducing evaporation of the fluid.
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Citations
7 Claims
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1. A sample receiving chip comprising:
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a substrate having a fluid pathway passing through the substrate for receiving a sample fluid, the fluid pathway including a first port, at least one second port, and a recessed channel, the recessed channel enclosed in the substrate; and
at least two electrodes positioned in the substrate to contact the sample fluid in the recessed channel to measure properties of the sample fluid. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification