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US 12,042,286 B2Granted
Methods, devices, systems, and kits for automated blood collection by fingerstick
AssigneeLabrador Diagnostics LLC
InventorsPatricia McHale, William Westrick
Life of this patent
Estimating the term…
Abstract
Methods, devices, systems and kits for obtaining blood samples are provided. Devices include a cuff, a pressure source, and a timing mechanism. The methods include placing a cuff on a digit of a subject, inflating the cuff, and obtaining a small volume blood sample. The methods further include warming a digit lancing a digit pulsing the cuff; and providing a signal indicating the end of the sample collection time period.
Claims19
A method for collecting blood from a human digit comprising:
- at least partially encircling the human digit with a cuff;
- inflating the cuff using a device having a pressure source and a pressure-interruption switch, the device effective to apply pressure to the digit;
- lancing the digit effective to puncture a skin of the digit and to allow blood to flow out of the digit;
- and
- collecting of at least a portion of the blood flowing out of the digit;
- controlling the pressure source and pressure-interruption switch with a control unit in the device to provide a plurality of cuff inflations and cuff deflations at a desired frequency between a beginning and an end of a period of time.
3 more elements
Dependencies are inferred from the claim text.