In a response to a letter to The Hospitalist magazine, author Harold Michels addressed concerns from a physician that implanted copper-nickel alloy devices have the potential for severe allergic reactions.
"Implanted devices are not part of the EPA-approved products list of antimicrobial copper and, therefore, are not being proposed for use in the fight against hospital infections," Michels wrote in an article on The Hospitalist website.
Referring to questions of copper tarnishing, Michels said copper alloys should be cleaned regularly — especially in hospitals.
"But more importantly, the antimicrobial effect of this metal is not inhibited if the surfaces tarnish," Michels said.
A Shift in Healthcare Facilities Management
Trauma-Informed Design Transforms Boston Homeless Shelter
Inside One of Healthcare's Most Ambitious Hospital Projects 
Disinfectant Contact Time: The Case for Biofilm Disruption
Texas HHSC Reaches Construction Milestone for Panhandle State Hospital in Amarillo