hypodermic needle

Pain-Free Microneedle Influenze Vaccine is Effective, Long-Lasting

VIDEO: Injection-free vaccination

Needleless syringe invention on market “within a year”

Caption:MIT-engineered device injects drug without needles, delivering a high-velocity jet of liquid that breaches the skin at the speed of sound. Credits:Image courtesy of the MIT BioInstrumentation Lab

Device may inject a variety of drugs without using needles

Silk microneedles are claimed to better-deliver medication

Mosquito inspires near-painless hypodermic needle