There were marks on her body indicating the use of a hypodermic syringe. Morphine was more widely used after the invention of the hypodermic syringe in 18531855. Dr Callendar medicates Adela with a hypodermic syringe. He invented the first true hypodermic syringe. The use of the hypodermic syringe, invented in 1853, was quickly adopted by Canadian doctors. In the drawing process, we use a hypodermic syringe or paint brush to draw lines.