Testing cartridge for an in vitro medical diagnostic device
First Claim
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1. A disposable assay cartridge comprising a housing having at least a top end and a bottom end,the top end further comprising an inlet, including an interface for accepting a receptacle containing a sample fluid;
- a sample fluid channel in fluid communication with the inlet for receiving sample fluid, the sample fluid channel being interrupted by a valve that controls a flow of sample fluid into an interior fluid channel that is in fluid communication with (i) a calibration fluid channel, (ii) an array comprising a plurality of electrochemical sensors, and (iii) a waste area downstream of the array comprising a plurality of electrochemical sensors for accepting spent fluids, including used calibration fluid;
the bottom end further comprising a second inlet for introducing calibration fluid or air into the calibration fluid channel and an outlet for communication with pressure or vacuum pump for aspiration of calibration fluid, air, or sample fluid.
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Abstract
The present disclosure relates to a removable assay cartridge containing a polymer body with channels for fluid movement for an in vitro medical diagnostic device. The device also includes a removable calibration fluid cartridge.
55 Citations
20 Claims
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1. A disposable assay cartridge comprising a housing having at least a top end and a bottom end,
the top end further comprising an inlet, including an interface for accepting a receptacle containing a sample fluid; -
a sample fluid channel in fluid communication with the inlet for receiving sample fluid, the sample fluid channel being interrupted by a valve that controls a flow of sample fluid into an interior fluid channel that is in fluid communication with (i) a calibration fluid channel, (ii) an array comprising a plurality of electrochemical sensors, and (iii) a waste area downstream of the array comprising a plurality of electrochemical sensors for accepting spent fluids, including used calibration fluid; the bottom end further comprising a second inlet for introducing calibration fluid or air into the calibration fluid channel and an outlet for communication with pressure or vacuum pump for aspiration of calibration fluid, air, or sample fluid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification