Article from RealTechToday, New device will replace needles in the process of extracting blood
Surely there is no one who likes needles. There are those people that when have to extract blood, watch on the other side, or even lose consciousness. The blood extraction isn't very pleasing experience, especially when the process is done by someone who is practicing. After few unsuccessful attempts and cracked veins, the extraction will be successful, but your hand and your veins might be destroyed.
To stop this ignoble procedure yet to allow analysis of the blood of patients, a company funded by DARPA created a new device that you can take out your blood without using a needle. Although it sounds counter-intuitive, but true. Using vacuum, this device is several centimeters in diameter, will “swirl” blood through microscopic capillaries that can be found on the surface of the skin.
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