Blood drawing device and method of collecting blood sample

Abstract

A method of collecting a blood sample from a target area of a subject using a blood drawing device. The blood drawing device includes a cutting element and a fluid collection chamber. The blood drawing device applies a heat source to the target area of the subject for a first time period, applies a cooling source to the target area of the subject for a second time period, punctures the subject area with the cutting element, and collects a volume of blood in the fluid collection chamber.

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