Google has patented a “Needle-Free Blood Draw,” which holds appeal for diabetes patients who have to test their blood glucose levels on a regular basis, for example, Yahoo News reports.

The patent, which was published December 3, describes a device that uses “an abrupt surge of gas” to give a micro-particle enough momentum to pierce a person’s skin. Then a “micro-emergence of blood” is drawn into a barrel.

Read more at uk.news.yahoo.com