I have seen posts to this elsewhere, maybe Clif High’s twit, that these may be NaCl crystals.
https://twitter.com/clif_high/status/1477685451179769856
However, I would expect Dr. Madej would be weary of salt crystals in soln, and be able to discern them.
Ok, so he calls it a 'micro router', but it looks more like a wave-guide with capacitors & some control circuitry.
Wave-guide would be to strengthen incoming signals. Capacitors to store energy likely stolen from your moving blood.
Control circuit?????https://t.co/Nlr0VzEr6y— clif (@clif_high) January 2, 2022