It is called syringe to a device used to inject or extract fluid . East instrument is used regularly in the field of medicine and the Nursing .
A syringe is made up of a tube that has a plunger inside. According to the movement that is made, you can boost or aspirate a fluid. At its end, the syringe ends in a cannula where you can attach a hollow needle : in this way the instrument serves to introduce or remove liquid from the body of a person or an animal, for example.
The syringes are used to apply injections : This is called a fluid that is injected. Doctors and nurses can deliver medications through injections, performing a pressure puncture with a needle and syringe.
It is important to keep in mind that syringes and hypodermic needles should be sterile to minimize the risk of infection . Both products are individually packaged and discarded after use.
The calls infiltrations They also require the use of a syringe. In this case, the medication is injected into a nerve or joint so that the drug acts directly on the injured sector.
As well as injections and infiltrations, a fluid is introduced into the body , the syringe is also useful in the reverse process, as in the blood extractions . With a needle and a syringe, blood can be obtained from a vein or an artery and then analyzed in a laboratory and thus get information on various variables that allow a diagnosis.