Archive | Stethoscope


#Cadmium: Older/Vintage Black Tycos Stethoscope

Vintage Tycos Stethoscope. Tested with an XRF instrument. Year of manufacture is unknown. Tested negative for Lead (Pb), Mercury (Hg) and Arsenic (As), but positive for Cadmium (Cd) at 150 +/- 13 ppm on the rubber tubing component.  All components tested.   Read more about cadmium toxicity here. Thanks to Marya Shahriary for donating and […]

Continue Reading 0

#Leaded: Littman Nurses’ Stethoscope, c. 2014

3M Littman Brand Nurse’s Stethoscope: 1,828 ppm lead (What!!!!?), tested in 2014. The amount of lead that is considered toxic in an item intended for children is 90 parts per million (ppm) or higher.  Stethoscopes are not considered items intended for children, but you would think that as a piece of medical equipment the regulations […]

Continue Reading 3

Designed by Clever Kiwi Web Design