Question

who invent the needle ?

Answer 1

Various forms of intravenous injection and infusion have been around as far back as the late 1600s. However, it wasn't until 1853 that Charles Gabriel Pravaz and Alexander Wood developed a needle fine enough to pierce the skin. The syringe was the first device used to inject morphine as a painkiller.

Answer 2

Francis Rynd, an Irish physician invented a hollow needle.