Invention - the painless injection
by Marshall Brain
What if you could make a needle so small that it could be inserted without pain? To do it, you need to create a needle about the size of a mosquito’s needle, and that’s what researchers have accomplished:
This is not the first time doctors have claimed pain-free injections, however. Here’s a similar idea from several years ago:
And here is another technology that delivers drugs in a novel, pain-free way without a needle:
It is called a “Skin Permeation Device”.
[[[See previous invention]]]
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