Medical Needles and Syringes

What is a hypodermic needle?
A hypodermic needle is a thin, hollow tube used with a syringe to inject substances under the skin or into veins, muscles, or tissues during medical procedures.

What syringe is used for injection?
Medical syringes with attached or detachable needles are used for injections. The size depends on the substance being delivered and the injection site, like muscle, vein, or skin.

How do I know my needle size?
Needle size is based on gauge (thickness) and length. Thinner gauges have higher numbers. Always match the needle to your injection type and consult healthcare guidance.

What part of syringe should not be touched?
Avoid touching the needle and the plunger tip that enters the barrel. These areas must stay sterile to prevent contamination and ensure a safe injection process.

How do I choose the right needle?
Select a needle based on the medication's viscosity, injection depth, and body area. Thicker medications require lower gauge needles. Follow healthcare instructions for accuracy and safety.

What is a medical injection called?
A medical injection is often referred to by its route: intramuscular, intravenous, or subcutaneous. It involves using a syringe and needle to deliver medicine into the body.

What is the instrument used for injection?
A medical syringe fitted with a sterile needle is the standard instrument for injections. It allows for accurate dosage delivery into veins, muscles, or beneath the skin.

How do I safely dispose of used syringes and needles?
Place used syringes and needles in a puncture-proof sharps container immediately after use. Follow local medical waste disposal rules to protect others and avoid health hazards.

What’s the difference between Luer lock and slip tip syringes?
Luer lock syringes screw the needle in place for secure connections. Slip tip syringes slide the needle on, which is quicker but less secure for high-pressure injections.

Are syringes single-use?
Yes, syringes are designed for single use to prevent infections and contamination. Always dispose of them properly after one use to ensure safety for yourself and others.