Coagulation test device, system, and method of use
First Claim
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1. A system comprising:
- a cartridge comprising a whole blood sample, the cartridge including a plurality of test chambers and a metal sphere in each test chamber;
a device configured to receive the cartridge, the device includinga plurality of sensors, each sensor positioned adjacent to one of the test chambers, anda controller configured toactivate a vacuum source to move a portion of the whole blood sample into each of the test chambers,move the cartridge,receive signals from each of the sensors while the cartridge is moving,determine whether the metal sphere is moving in the test chamber, anddetermine whether the whole blood sample in each test chamber exhibits coagulopathy, andoutput an indicator whether coagulopathy is present in the whole blood for each test chamber on a display.
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Abstract
A coagulation test device for measuring clotting time and clot characteristics of a whole blood sample under different hemostatic conditions. Results of the test are used as an aid in management of patients with coagulopathy of unknown etiology in order to help the physician determine appropriate clinical action to arrest bleeding in a patient.
50 Citations
24 Claims
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1. A system comprising:
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a cartridge comprising a whole blood sample, the cartridge including a plurality of test chambers and a metal sphere in each test chamber; a device configured to receive the cartridge, the device including a plurality of sensors, each sensor positioned adjacent to one of the test chambers, and a controller configured to activate a vacuum source to move a portion of the whole blood sample into each of the test chambers, move the cartridge, receive signals from each of the sensors while the cartridge is moving, determine whether the metal sphere is moving in the test chamber, and determine whether the whole blood sample in each test chamber exhibits coagulopathy, and output an indicator whether coagulopathy is present in the whole blood for each test chamber on a display. - 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)
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Specification