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An intramedullary rod, also known as an intramedullary nail (IM nail) or inter-locking nail or Küntscher nail (without proximal or distal fixation), is a metal rod forced into the medullary cavity of a bone. IM nails have long been used to treat fractures of long bones of the body.
The slitting mill, introduced to England in 1590, simplified the production of nail rods, but the real first efforts to mechanise the nail-making process itself occurred between 1790 and 1820, initially in England and the United States, when various machines were invented to automate and speed up the process of making nails from bars of wrought ...
Küntscher first performed the process using the nail in November 1939 at the University Department of Surgery in Kiel. He first presented 12 cases of intramedullary fixation with rods at a surgical meeting in Berlin 03/18/40 and was met with general disapproval for using surgery for fractures [ 1 ] The German military initially disapproved of ...
A nail factory was established in Finland in 1886, shortly followed by horseshoe nail factories in France (Duclair, 1891) and Sweden (Dalsland, 1898). Just before World War I , Europe consisted of five great powers (the United Kingdom, France, Germany, Austria-Hungary and Russia), plus another two nations were large consumers of horseshoe nails ...
In 1940, Paslode created the first Stapling Hammer. In 1959, the world's first Pneumatic nailer. By 1986, they had created the Impulse range of gas actuated nailing systems, commonly referred to as a nail gun. In 1986, ITW (Illinois Tool Works) acquired Paslode. The PASLODE brand joined the SPIT company in France in 2002.
First professional army in Europe – men were hired and trained in Spain to join the army as their professional job not as some levy or through hiring mercenaries. Rapier - Spain was the first European country to use rapiers. First use of a rotorcraft in combat, during the suppression of the Asturias Rebellion in 1934 [37]
The nail violin is a musical instrument which was invented by German violinist Johann Wilde in 1740. [ 1 ] [ 2 ] The instrument consists of a semicircular wooden soundboard , approximately 1.5 feet (46 cm) by 1 foot (30 cm) in size, with iron or brass nails of different lengths arranged to produce a chromatic scale when bowed.
A nail gun, nailgun or nailer is a form of hammer used to drive nails into wood or other materials. It is usually driven by compressed air , electromagnetism, highly flammable gases such as butane or propane, or, for powder-actuated tools, a small explosive charge. Nail guns have in many ways replaced hammers as tools of choice among builders.