“A study conducted by Prof. von Eiff of University of Münster in hospitals in North Rhine Westphalia and Lower Saxony revealed that, in particular, 40% of hollow instruments released for use were not sterile (4). One reason for such problems is that the classic biological and/or well-integrated chemical indicators can attest to the sterility of supplies only at those locations at which they are positioned. But in general these indicators cannot be placed at those sites within the instrument which are most difficult to access, hence the established practice of using such indicators is not suitable for providing insights into the sterility of lumened devices.”
What Titanium materials are best for body jewelry? My articles at http://jewelry.piercing.org/ and http://brnskll.com/shares/titanium-standards-why-not-g23/ explain that the two most effective Titanium standards are alloyed ASTM F136 and pure ASTM F67, the most common being the former as it is stronger, harder and easier to polish. Both are used for permanent surgical implants.
Learn how to relate a certificate of tests (Mill Certificate) to an appropriate standard for body jewelry
Among jewelry materials for initial piercing, glass deserves a closer look.
The opportunity to explain and demonstrate anodizing titanium body jewlery to my colleagues in person is always a pleasure. For those of you who are interested, here are some of the basics. There are many other techniques, tips and tricks that I’ll be glad to help with if you have questions.
This is a follow up to the presentation the FDA made to my ASTM International committee on nonconforming imported titanium. It should have met ASTM F136 for surgical implants, however the Quality Systems at the mill that melted it were inadequate. More information from the FDA and a bit of legal analysis.
Please stop referring to body jewelry materials by overly vague and inappropriate standards. Using the term G23 for body jewelry materials is too superficial, and is not an implant standard.
Over the years I’ve collected images to witness some of the unsafe jewelry found on the market. Here are a few I hope will be educational to help avoid future problems.
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If I give you a pfennig, you will be one pfennig richer and I’ll be one pfennig poorer. But if I give …
Antonj van Leeuwenhoek “Father of Microbiology”.
Homeopathy: There’s nothing in it | The 10:23 Campaign | #ten23.
Hooray for Ventner
Stop-motion Lego documentary about early microbiologists – Boing Boing.
A Drug Discovered In The Soil Of Easter Island Could Cure Alzheimer’s – biology – io9.
I’ve been amused by The Straight Dope for years. Hooray for Cecil Adams and his team of sassy researchers. via The Straight …
An educational overview of some of the important historical steps forward in infection control and sterilization
xkcd: Dimensional Analysis.