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Parts of Syringe And Needle, Functions, Uses

Syringe and Needle

 

Syringes and needles are sterile devices, used to inject substances into the body or withdraw secretions from the body.

For example,

Inject medication into the body or take blood from a vein.

 

Check out what are methods of blood collection to collect blood specimens?

 


Parts of Syringe

 

The syringe is made up of three parts-

 

1. The plunger (piston)

2. The barrel

3. Luer lock

 

Parts of Syringe And Needle





1. Plunger

 

To operate the syringe, the plunger must be pressed down to the bottom of the barrel.

The plunger part of a syringe is pushed and pulled inside the barrel used to draw in and expel the liquid.

 

2. Barrel

 

The syringe barrel is the cylindrical part of the syringe that holds fluid to be injected or fluid that has been withdrawn. The plunger fits tightly within the barrel.

 

3. Luer lock

 

Luer lock parts of the syringe have a screw structure that allows a needle to be twisted onto the tip and locked.


There are various types of syringe tips available for the administration of medication. 



Parts of Needle

 

The needle consists of-

 

1. Needle hub

2. Needle shaft

3. Needle bevel

4. Needle protective cover

 


1. Needle Hub

 

Hub consists of needle adopter is at one end of the needle that part attached to the syringe.

The needle hub locks the needle in place while using a syringe.

 

 2. Needle Shaft

 

The shaft is a long slender stem of the needle.

At one end of a needle, the shaft continues to the needle hub, and the other ends of the shaft to bevel to form the point.

 

3. Needle Bevel

 

Bevel is a sharpened and angle-shaped area at the needle tip that makes needlepoint used for injection, puncturing tissue.

The hollow tip of the needle shaft is also called a lumen.

 

4. Needle Protective Cover

 

It is needle protective sheath. According to the use of medical needles, various types of medical needles are available in color-coding and have different.

 

 

What is the Difference between Syringe and Needle?

 

Syringes and needles are sterile devices used to inject substances into the body or withdraw secretions from the body.

 

Syringes consist of a glass or plastic cylinder with a plunger at one and an opening that attaches to a needle.

 

Syringes can be used with or without needles.


For example; Syringes without needles to help with oral administration.

 

The needle is a hollow metal tube with a sharp and pointed tip. A needle can then be attached to the syringe to inject the contents or withdraw the content.



 

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