The "needle-free blood draw" system is a new patent that Google has filed that makes drawing blood a painless process.

It has been suggested that the device could be particularly useful for diabetics or those in need of quick, remote blood testing - and if this is the case, it could certainly be revolutionary in terms of the advancement of wearable tech.

The proposed device is gas-based, which would shoot out a micro-particle through a barrel to prick your skin.

A small barrel would be placed against the skin, and a surge of gas would then be pushed inside it.

According to reliable sources the system will work in two ways, the system can be a handy device that will draw blood from your fingerprint or you can wear a device on the wrist that will draw blood from the skin.

After the blood is released from the skin, it will be sucked up into the negative pressure barrel. In other words, among the first people to benefit from the system should it become a reality will be diabetes victims.

"We hold patents on a variety of ideas - some of those ideas later mature into real products or services, some don't. The announcements of a potential new models and products are not always from patented ideas".

Google's X Lab, the team behind smart cutlery designed for patients with Parkinson's disease, has already discussed its research into smart contact lenses and connected sensors to help diabetics keep track of their glucose levels. However, the needle-free blood draw gadget can have a huge success considering a lot of people are very squeamish about the sight of injection being inserted into their bodies.