> Either it's a fraud, the writer is completely clueless, or both.

Well, they called the other bandages "hydrogen bandages" even though they are "hydrogel bandages". Either it's bad proofreading or another example of the writer being clueless.

> There are hydrogen bandages, and then this newly developed wireless smart bandage.

Not to mention it's a very short 2 paragraph "article" that consists of 3 sentences and a bunch of bad punctuation. It doesn't even give a link to the research on which it's reporting. Pretty much the definition of a useless post just designed to get clicks and serve ads.

All it took was a tiny bit of poking around and I found a much better article on this:

Wireless smart bandage promotes faster closure of wounds, enhances skin recovery