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A Med-E-Jet vaccination gun from 1980. A jet injector, also known as a jet gun injector, air gun, or pneumatic injector, is a medical instrument that uses a high-pressure jet of liquid medication to penetrate the skin and deliver medication under the skin without a needle.
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.
A 3-way syringe/nozzle has separate internal channels supplying air, water or a mist created by combining the pressurized air with the waterflow. The syringe tip can be separated from the main body and replaced when necessary. In the UK and Ireland, manually operated hand syringes are used to inject lidocaine into patients' gums. [27] [28] [26]
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