The principle of its operation is based on the creation of a gas pulse sent through a special barrel in which the microparticles are located. A jet of gas pierces the skin, captures a tiny drop of blood and, under the influence of negative pressure, sucks it inside the device.
The whole process is absolutely painless and does not carry the threat of infection. Google also suggests using the technology as a glucometer for diabetics.
In recent years, Google along with its competitor – Apple is actively developing the scope of wearable medical devices. The company already has patents for smart lenses , cloud sensors that help people with diabetes and other medical devices. The main goal of the Internet giant in this direction is to reduce the maximum of human health indications in one device.