I believe there is some possibility that silver could plate out on the stainless steel valve. This should make the valve incapable to support the growth of any pathogens, not a bad thing. I cannot think of any problems it would cause, but of course cannot support that view.
Marshall Stephen Summers wrote: > Dear members We have had an enquiry about someone's mother who is 84 > yrs old and has a stainless steel valve in her heart. Does anyone know > whether CS would react with this device - bearing in mind that silver > ions are transported by metalloproteins to the sites where they are > needed. Please also note that we produce a very high quality CS i.e. > crystal clear with no silver oxide or silver chloride. Thanks in > advance. Steve