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Syringe on left, hypodermic needle with attached colour coded Luer-Lock connector on right Hypodermic needle features. A hypodermic needle (from Greek ὑπο- (hypo-= under), and δέρμα (derma = skin)) is a very thin, hollow tube with one sharp tip. It is one of a category of medical tools which enter the skin, called sharps. [1]
Measuring 3 cm (1.18 in) long and 5 mm (0.2 in) in diameter, his syringe was entirely in silver, [2] made by Établissements Charrière, and operated by a screw (rather than the plunger familiar today) to control the amount of substance injected. The Scottish doctor Alexander Wood invented the syringe as used today - also in 1853. Wood's device ...
Through many millennia, various suture materials were used or proposed. Needles were made of bone or metals such as silver, copper, and aluminium bronze wire. Sutures were made of plant materials (flax, hemp and cotton) or animal material (hair, tendons, arteries, muscle strips and nerves, silk, and catgut). [citation needed]
1849 – Elizabeth Blackwell is the first woman to gain a medical degree in the United States. 1850 – Female Medical College of Pennsylvania (later Woman's Medical College), the first medical college in the world to grant degrees to women, is founded in Philadelphia. [99]
A needle and syringe programme (NSP), also known as needle exchange program (NEP), is a social service that allows injection drug users (IDUs) to obtain clean and unused hypodermic needles and associated paraphernalia at little or no cost.
In 1858 Dr. M. Sales Giron invented the first pressurized inhaler. Amphetamine was first synthesized in 1887 in Germany by Romanian chemist Lazăr Edeleanu who named it phenylisopropylamine ; [ 23 ] [ 24 ] [ 25 ] its stimulant effects remained unknown until 1927, when it was independently resynthesized by Gordon Alles and reported to have ...
It began in 1953 as the Canada Cup and changed its name to the World Cup in 1967. [1] With Fred Corcoran as the Tournament Director and the International Golf Association behind it (1955–1977), the World Cup traveled the globe and grew to be one of golf's most prestigious tournaments throughout the 1960s and 1970s, but interest in the event ...
Surgeons are now considered to be specialized physicians, whereas in the early ancient Greek world a trained general physician had to use his hands (χείρ in Greek) to carry out all medical and medicinal processes including, for example, the treating of wounds sustained on the battlefield, or the treatment of broken bones (a process called ...