8 years ago
Google Patents Needle-Free Blood Draw System
Search firm Google already has your clicks - now it wants your blood. It has filed a patent for a "needle-free blood draw" system, which could be perfect for those who are squeamish about the traditional method. A small barrel would be placed against the skin, and a surge of gas would then be pushed inside it. This causes a microparticle inside the barrel to then pierce the skin.
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