Google is Now After Your Blood

Smartwatches already collect data about your heart rate, how much exercise you do and your stress levels, but in the future they could take this a considerable step further.

Google has filed a patent for a ‘needle-free blood draw’ system that could be built into a wearable attached to someone’s wrist, or a hand-held device.

The filing describes a machine that sends a pulse of gas into a barrel containing a ‘micro-particle’ capable of puncturing the skin and drawing a small drop of blood.

According to the patent, once the droplet forms it is sucked up into a negative pressure barrel.

This makes the process quicker and less messy than using a needle, or even a blood glucose meter, which administers a ‘pin prick’ to the finger.

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