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US 10,539,579 B2Granted
Blood testing system and method
AssigneeC A Casyso GmbH
InventorsMichael Gorin, Robert S. Hillman, Cory Lee McCluskey, Hubert Martin Schwaiger
Life of this patent
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Abstract
Some embodiments of a blood coagulation testing system include an analyzer console device and a single-use cartridge component configured to releasably install into the console device. In some embodiments, the blood coagulation testing system can operate as an automated thromboelastometry system that is particularly useful, for example, at a point-of-care site.
Claims20
A cartridge device for a measuring system comprising:
- a measuring chamber formed therein for measuring a volume of a sample liquid, the measuring chamber comprising an inlet port, an outlet port, and a transfer port, wherein the sample liquid flows into the measuring chamber through the inlet port;
- a mixing chamber formed therein for mixing the sample liquid;
- a duct connecting the measuring chamber to the mixing chamber through the outlet port of the measuring chamber for transferring the volume of the sample liquid from the measuring chamber to the mixing chamber, the duct comprising a pressure-controlled stop junction between the measuring chamber and the mixing chamber, the pressure-controlled stop junction comprising a structure different from regions of the duct immediately adjacent to the pressure-controlled stop junction;
- and
- a vacuum application port to allow the sample liquid to flow into the measuring chamber through the inlet port while preventing the sample liquid from flowing out of the measuring chamber through the outlet port into the mixing chamber.
2 more elements
A cartridge device for a measuring system comprising:
- a measuring chamber formed therein, wherein the measuring chamber comprises inlet port, an outlet port, and a transfer port, the inlet port configured to flow blood into the measuring chamber, and the transfer port configured for blood to flow out of the measuring chamber once the measuring chamber has filled to a predetermined volume, the transfer port fluidically connected to another measuring chamber or to a waste chamber, the transfer port for allowing blood to flow out of the measuring chamber into another measuring chamber or to the waste chamber while the blood is prevented from flowing out of the measuring chamber through the outlet port, and wherein the inlet port and the transfer port are on opposite sides of the chamber;
- a mixing chamber formed therein for mixing blood;
- a duct connecting the measuring chamber to the mixing chamber through the outlet port of the measuring chamber for transferring the predetermined volume of blood from the measuring chamber to the mixing chamber, the duct comprising a pressure-controlled stop junction configured to regulate flow of blood from the measuring chamber to the mixing chamber.
Dependencies are inferred from the claim text.