
"Doctor Lab Panda" issued a warning after discovering "blood sample tubes" being used as children's toys, emphasizing that medical devices should remain in hospitals only.
On 17 Feb 2026, the Facebook pageDoctor Lab Pandaposted a message stating, "Oh no, who took blood collection tubes to make children's toys? The tube shown is a Heparin tube (green cap). Normally in hospitals, we use this tube to collect blood samples. Inside, the tube is coated with a substance called Lithium Heparin. This substance acts as an anticoagulant. When medical technicians spin it for testing, it separates the blood layers, giving us plasma to use for tests.
It's mostly used for clinical chemistry tests, such as liver and kidney function, blood electrolytes, or blood sugar levels. If these tubes are used as children's toys (why would anyone do that?), potential harm includes
Thanks to Doctor Lab Panda's Facebook page.