Accupuncture needles coated with varnish and the very tip then scraped clear make for insertable pin-point electrodes. It is a very odd feeling being able to stimulate tissue without having to do the surrounding skin and everything on the way in there. Using fluroscopy it was even a doddle to see exaclty where the ends of the electrodes were. You can feel very low voltages when you are in the depths so to speak and to oblate you need moderate ones to do the job properly - but if you use a very high frequency it is not particularly unlpeasant. The idea is to see if highly localised areas of discomfort can be targetted and nerve endings oblated without surgery. I used the arcbrander for the power supply. And before you panic mum, I tested the hypothesis on a lump of pork and when afterwords when I cut it open, it seemed the effect was VERY localised indeed and did pretty much what I had hoped for :) I also only tested it out on my left ankle (just above it actually), so nothing essential going on down there. Could be an incredibly non-invasive procedure (compared to even keyhole surgery) when dealing with things that are otherwise a bit tricky to work on for leakage reasons etc. Thinking now that an incredibly fine hypodermic needle (varnished again) might be an improvement though as through the centre an incredibly fine wire could be passed with the tip JUST coming out the end of the modified needle end. This single electrode would be very much easier to handle than a pair of them. A single simple electrode is possible of course (use whole of body as the other) but I thought there was a danger of some incidental damage to surrounding tissue being used as the other conductor. Perhaps time to test it on the pork :)
Posted on: Thu, 11 Sep 2014 16:00:30 +0000
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