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US 12,521,715 B2Granted
System for delivering fluid samples through a fluidic device and methods therefor
AssigneeSiemens Healthcare Diagnostics Inc.
InventorsImants Lauks, Nigel Fairbank
Life of this patent
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Abstract
A method for delivering a fluid sample through a channel of a diagnostic consumable is disclosed. The method includes receiving the diagnostic consumable in a reader comprising a delivery system, operatively connecting the delivery system to the channel, and applying pressure pulses to the channel at a predetermined frequency. A reader for reading a diagnostic consumable is also disclosed.
Claims11
A reader for reading a diagnostic consumable, the reader comprising:
- a reader opening for receiving the diagnostic consumable;
- and
- a delivery system configured and arranged to operatively connect to the diagnostic consumable in the reader opening for delivering a fluid sample through a channel of the diagnostic consumable to one or more sensing regions of the diagnostic consumable, the delivery system being downstream of the diagnostic consumable and the one or more sensing regions, the delivery system comprising:
- a vacuum source,
- a charge vessel fluidly connected to the vacuum source upstream of the vacuum source,
- a first valve immediately upstream of the charge vessel, and
- a second valve immediately downstream of the charge vessel, wherein the first and second valves are operable to open and close at a predetermined frequency to alternatingly charge and discharge the charge vessel, thereby applying vacuum pressure pulses to the channel of the diagnostic consumable.
4 more elements
Dependencies are inferred from the claim text.