How to Attach a Needle to a Syringe

Written by jayzee a
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How to Attach a Needle to a Syringe
A needle should be properly attached to a syringe. (needle image by Zbigniew Nowak from

A syringe needle is generally made of metal with a plastic hub. Attaching a needle to syringe should be done properly to keep the needle clean and sterilised. The needle and syringe meet at the hub part of the needle. Improperly attaching a needle to a syringe puts the health of the patient at risk.

Skill level:


  1. 1

    Choose the correctly sized needle for the syringe you are using.

  2. 2

    Remove the paper wrapping on the needle just enough to expose the hub part of the needle.

  3. 3

    Hold the syringe in one hand and hold the needle (in its paper covering) with the other hand.

  4. 4

    Attach the needle to the syringe and twist clockwise until you feel the needle tightening. Some syringes require you to push the needle into the syringe until tight.

  5. 5

    Throw away the paper covering.

Tips and warnings

  • Keep your fingers away from the area where the needle and syringe meet.

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