tech Giant Google has filed for a patent that could allow for blood to be drawn without needles. The patent is still pending approve though. It explains how the device would draw blood and function.
“A system for needle-free drawing of blood is disclosed. A device can include an evacuated negative-pressure barrel with a membrane sealing an aperture at a distal end, and a housing affixed to a proximal end.
An accelerator barrel can be positioned within the negative-pressure barrel and fixed to the housing, with an open proximal end in a chamber in the housing, and an open distal end aligned with the aperture.
The chamber of the device would be filled with “pressurized gas” and a micro-particle positioned within the accelerator barrel can be accelerated to high speed by an abrupt surge of gas, which would in the end pierce the skin and the blood would be drawn into the negative pressure barrel.”
If the device comes into production, it could be useful for drawing blood for diabetics, where a small amount of blood is needed for regular sugar tests.
