Search results
Results from the WOW.Com Content Network
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]
Pravaz, c. 1852 Charles Gabriel Pravaz (24 March 1791 – 24 June 1853) a French orthopedic surgeon, pioneered the hypodermic syringe.. While the concept dated to Galen, [1] the modern syringe is thought [by whom?] to have originated in 15th-century Italy, although it took several centuries for the device to develop.
Magnetized needles and compasses were first described in medieval Europe by the English theologian Alexander Neckam (1157–1217 AD). The first literary description of a compass in Western Europe was recorded in around 1190 and in the Islamic world 1232. [ 5 ]
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]
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 ...
1897: Surgical masks made of cloth were developed in Europe by physicians Jan Mikulicz-Radecki at the University of Breslau and Paul Berger in Paris, as a result of increasing awareness of germ theory and the importance of antiseptic procedures in medicine. [452] 1898: Hans von Pechmann synthesizes polyethylene, now the most common plastic in ...
The Western Medical Tradition: 800 BC to AD 1800 (1995); excerpt and text search. Bynum, W.F. et al. The Western Medical Tradition: 1800–2000 (2006) excerpt and text search; Loudon, Irvine, ed. Western Medicine: An Illustrated History (1997) online Archived 26 September 2017 at the Wayback Machine; McGrew, Roderick. Encyclopedia of Medical ...
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 ...