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A syringe is a simple reciprocating pump consisting of a plunger (though in modern syringes, it is actually a piston) that fits tightly within a cylindrical tube called a barrel. The plunger can be linearly pulled and pushed along the inside of the tube, allowing the syringe to take in and expel liquid or gas through a discharge orifice at the ...
for posterior rhinoscopy (seeing the inner parts of the nose like the choanae) Bronchoscope: hollow tube to see within the respiratory tract without obstructing respiration: Oesophagoscope: hollow tube to see within the oesophagus: Laryngoscope: used in direct laryngoscopy; video link: Jobson Horne's probe with ring curette: to access or clean ...
[citation needed] When triggered the actuator drives a three-step sequence: [citation needed] accelerate the syringe forward, puncturing the injection site; actuate the piston of the syringe, injecting the drug; deploy a shield to cover the needle; Some injectors are triggered by simply pushing the nose ring against the injection site.
A hypodermic syringe has the ability to retain liquid and blood in it up to years after the last use and a great deal of caution should be taken to use a new syringe every time. The hypodermic needle also serves an important role in research environments where sterile conditions are required.
Uniject is a disposable, pre-filled, single-use syringe which was developed to promote vaccination in developing countries. It was developed by PATH as part of the solution to the problem of delivering vaccines to areas which have insufficient medical workers to meet the needs of traditional, doctor-mediated vaccination programs.
A dental syringe is a syringe for the injection of a local anesthetic. [25] It consists of a breech-loading syringe fitted with a sealed cartridge containing an anesthetic solution. In 1928, Bayer Dental developed, coined and produced a sealed cartridge system under the registered trademark Carpule ®. The current trademark owner is Kulzer ...
A syringe with a male luer lock fitting, and a needle with female luer lock fitting (purple) which screws into it. The Luer taper is a standardized system of small-scale fluid fittings used for making leak-free connections between a male-taper fitting and its mating female part on medical and laboratory instruments, including hypodermic syringe tips and needles or stopcocks and needles.
A syringe pump for laboratory use. World Precision Instruments (WPI) SP120PZ. A syringe driver, also known as a syringe pump, is a small infusion pump, used to gradually administer small amounts of fluid (with or without medication) to a patient or for use in chemical and biomedical research. Some syringe drivers can both infuse and withdraw ...