Heal yourself and take a poke at the medical establishment at the same time!
Thomas M. Miller WA8YKN 314 South 9th Street Richmond IN 47374
One of the first things a new amateur learns is that electricity and biology are not very compatible. A brush with the AC line can be a painful experience, and accidental contact with the high-voltage supply of a large transmitting tube can be fatal. Because of this early training, occasionally reinforced by an unpleasant accidental jolt, it might surprise some hams that tiny electrical currents can be beneficial to the human body.
For some time, doctors have known that passing a small current through a broken bone will cause it to heal faster Damaged tendons and nerves also seem to respond to this treatment. Exactly why this works is not known, although a doctor once explained to me that it seemed to focus the body's attention on the area.
Recently, doctors at the Albert Einstein College of Medicine reported discovering that passing a current of only 50 microamps through the blood can prevent certain viruses, notably the HIV virus, from replicating. The current became even more effective when the polarity was reversed several times a second. The implications are enormous.
Unfortunately, there has been very little interest in this phenomenon by the medical community. Those of us who read Wayne Green's editorials have become aware of a simple device which introduces a small electrical current through the legs by placing electrodes on the ankles. Since the arteries in the legs are large, and the blood has less electrical resistance than the surrounding tissue, this technique results in most of the current flowing through the blood. This is an ideal approach for amateur experimentation, since it is totally external, and the required voilage and current levels are so tiny as to pose no danger I decided to design such a device, using a simple printed circuit board, and easily
obtained parts, so that it could be duplicated by other amateurs.
At this point, let me state that I make no medical claims for this device. To paraphrase a famous Chief Medical Officer, I'm an engineer, not a doctor Since very few doctors are electronics experts, there are many who would love to research the possibilities of this approach to eliminating vires in the blood, but are unable to build the needed experimental device, They need your help.
So I present this circuit for those wishing to help doctors experiment in an unknown field, and also as an interesting study in design and construction.
Designing a Bioelectrifier
Before attempting to design any device, it's a good idea to make a list of goals. In this case, it's a Simple list;
(1) The device should produce a current flow of 50 microamps from one ankle to the other. Experimentation has shown thai Ihis requires 30 to 35 volts.
(2) It must be capable of reversing the current Dow several times per second. This rate should be adjustable.
(3) It must be all solid-state—no DPDT relays clacking away, eating up the batteries.
Current flow with transistors Ql and Q3 conducting
Current flow with transistors Q2 and Q4 conducting
Fig. 1, Four transistors are used to reverse the current flow by energizing them in pairs 10 73 Amateur Radio Today * May 1996
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