4 ms·
In some jurisdictions, auto-disposable needles are now required to be used to prevent things like this: https://en.wikipedia.org/wiki/Safety_syringe https://en
by umeshunni 7y ago
In some jurisdictions, auto-disposable needles are now required to be used to prevent things like this:
https://en.wikipedia.org/wiki/Safety_syringe https://en.wikipedia.org/wiki/Safety_syringe
- killjoywashere 7y agoOne of my dad's first jobs out of college was designing needle-grinding machines for BD. they have a relatively complex 3-facet cutting edge, but the plastic hub allows you to accurately orient them on the grinder. I can imagine collecting, cleaning, sterilizing, and resurfacing needles could be a cottage industry in the developing world. 23G 1.5" becomes 23G 1.25", and so on. https://www.google.com/search?q=micrograph+of+hypodermic+needle https://www.google.com/search?q=micrograph+of+hypodermic+nee... https://www.ncbi.nlm.nih.gov/pubmed/2773053 https://www.ncbi.nlm.nih.gov/pubmed/2773053