Secondary coating to improve healing post implantation.
I've been thinking, what if there was a second coating we could put ontop of the TiN coating to help the scar tissue heal faster. Something that could possibly ever reduce scaring. I read about powdered and gel extra cellular matrix extracted from pig spleens. When applied to damaged limbs it helped them regrow. A soldier recently had a gel form injected into a nasty leg wound that had removed 70 percent of the muscle and with the injections the area grew back completely. If we could make a simple process for manufacturing the powder we could in theory coat implants to sped recovery and integration. maybe even something that could stimulate additional nerve growth post op to make the area more sensitive.
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It may or may not have some mildly beneficial effect on scar formation (certainly not enough to be routinely used in implant procedures among plastic surgeons); but I'm not sure it would really prove beneficial for the functioning of your implants.
Maybe the issue is really more something to do with how people are implanting these things? Or aftercare? I have one remaining Parylene and I'm totally going to cut it out and then just pop in an M31. I don't think I'm going to have issue with scarring either.
Alternatively, one might consider something along the lines of stem cells with the proper signalling chems to trigger them into becoming a particular neuron type. This is all speculation though. It deserves further attention perhaps.