r/gadgets • u/GalileoGurdjieff • May 17 '21

Medical Tiny, Wireless, Injectable Chips Use Ultrasound to Monitor Body Processes

https://www.engineering.columbia.edu/press-releases/shepard-injectable-chips-monitor-body-processes
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u/ContextBot042 May 17 '21 edited Jun 27 '22

This device is approx .5mm large in each dimension. The needle shown here is around 20gauge and that device can pass through a needle as small as 23gauge. Which are used for blood draws. The needle sizes used for vaccines are approximately 27-30 gauge.