Thanks Joan,  for bringing some sense into this discussion. If you think about it, just about any metal that is used in kitchenware and in bathrooms and of course hospitals (particularly in prostheses), can be used in electrodes.  Also, there is a difference in that indwelling electrodes should be chosen more carefully than external ones.  My favorite external electrode idea mentioned by one member is the large sheet of aluminum foil which is put into use by sitting on it.
 
Regards,  Dickiedean.

Joan Dragon <[EMAIL PROTECTED]> wrote:


I should think and hope and pray that the Stainless Steel plates and
screws holding parts of my body together are non toxic! Oh in
response to the part about titanium implnts goes unfortunatly in many
areas of the body plates from titanium just are not up to the job
where thickness and rigidity of the material goes. In medical type
apllications you want a extermely rigid material where you have to
plate load bearing bones together to promote fuzing of the bone to
itself and facilitate future removal of the hardware (I.E. Femurs and
the like) the material of choice here is stainless ( I should know
having them in my left leg) Bone cells have an affinity to fuze to
and overgrow titanium this is ideal for a structure such as a hip
socket replacement where you want the socke t to fuze to the bone.
My two cents I am a former Aerospace Advanced Materials Engineer (
don't ask for details ).
Joan
--- In [email protected], "Electroman" <[EMAIL PROTECTED]>
wrote:
>
> I refer to the statement below which says."Stainless steel contain
nickel, and chrome, wich are toxic, too."
>
> The implication is that stainless steel is toxic. This is NOT so.
> All the stainless steel that I use for my electrodes (see
www.electroman.com.au ) are made from 316 medical grade. I can hardly
believe that the stainless steel used in operating theaters around
the world are toxic.
>
>
>
>
>
> badass wrote:
>
>
> > Bear in mind that cadmium plating
> > is used on many common day ferrous
> > metal objects you might be inclined
> > to use to fabricate electrodes, and
> > it's toxic.
> >
> > An easy test is to check a suspect
> > silver colored object with a
> > magnet. If it's attracted by the magnet,
> > chuck it as a toy idea,  ie. a paper clip
> > would be bad.
> >
> > Go for stainless steel, as in, what could
> > you do with a wired-up butter knife with
> > a rubber hose slipped over all but the
> > end inch of the handle? (add butter?)
>
> Unfortunately, stainless steel is attracted by magnet, too :-)
> As anything containing iron metal.
>
> Stainless steel contain nickel, and chrome, wich are toxic, too.
>
> Then, I hate eating with usual food fork and knife, or when someone
let
> these tools in an acidic sausage :-)
>
> Conductive plastic may be safe. (polymer with carbon particules ?)








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