Microneedles may become the future of pain-free injections and blood testing. These needles, about the width of a human hair, can prevent pain completely by avoiding contact with nerve endings. The barely-visible needles are being used frequently for administering vaccines and many more are in clinical trials for treating other medical conditions.
Microneedles can also integrate with wireless communication devices to create personalized medicine. The needles can measure a biological molecule to determine and deliver the proper dosage. The use of pain-free needles can help expand delivery and medical diagnostics.
Learn more about microneedles and how they can be used here.