Question

needle ko kisne banaya

Answer 1

1844: Irish physician Francis Rynd invented the hollow needle and used it to make the first recorded subcutaneous injections, specifically a sedative to treat neuralgia. 1853: Charles Pravaz and Alexander Wood developed a medical hypodermic syringe with a needle fine enough to pierce the skin.

Answer 2

hi here is ur answer friend ....

Francis Rynd invented the hollow needle ......