How to use an insulin syringe?

Introduction

Administering insulin is a critical task for individuals managing diabetes. Using an insulin syringe properly ensures accurate dosing and minimizes discomfort. This guide provides detailed instructions for safely and effectively administering insulin.

Components of an Insulin Syringe

An insulin syringe consists of three primary components:

• Barrel: The long, thin chamber that holds the insulin. Typically measured in milliliters (ml), common sizes include 0.3 ml, 0.5 ml, and 1 ml.
• Plunger: A thin rod that pushes insulin out of the barrel.
• Needle: The sharp, thin metal point that penetrates the skin. Needles vary in length (typically 4-12 mm) and gauge (28G to 31G), with smaller numbers indicating thicker needles.

Preparing for Insulin Injection

1. Wash hands with soap and water to maintain hygiene.
2. Gather all necessary materials including the insulin vial, syringe, alcohol swabs, and a disposal container.
3. Inspect the insulin solution for clarity and expiration date. Certain insulins, like NPH, may appear cloudy but should be uniformly mixed.
4. Clean the rubber stopper of the insulin vial with an alcohol swab to ensure sterility.

Step-by-Step Guide to Using an Insulin Syringe

1. Draw air into the syringe equal to the insulin dose required.
2. Insert the needle into the insulin vial and push the plunger to inject air.
3. Invert the vial and syringe, then draw the prescribed amount of insulin into the syringe, ensuring no air bubbles. If bubbles are present, tap the syringe and push the air out. Refill with the correct amount.
4. Choose an injection site, commonly the abdomen, thigh, or arm, avoiding areas close to the belly button or recent injection sites.
5. Clean the injection site with an alcohol swab.
6. Pinch the skin gently and insert the needle at a 90-degree angle (45-degree angle for children or thinner adults).
7. Inject the insulin by slowly pressing the plunger until empty.
8. Withdraw the needle swiftly and dispose of it properly.
9. Apply light pressure to the injection site if necessary, avoiding rubbing, which can affect absorption.

Safe Disposal of Insulin Syringes

Used insulin syringes must be disposed of carefully to prevent injury and contamination:

• Use a sharps disposal container, which is puncture-resistant and labeled properly, to discard used needles.
• Do not overfill the sharps container. Dispose of it according to local regulations when it is three-quarters full.
• Consult local waste management authorities regarding proper disposal protocols.

Longde Company Solutions

Longde Company offers a range of products that enhance the experience of insulin administration:

• Precision Needles: Longde's needles are available in varying lengths and gauges, accommodating different patient needs.
• Insulin Syringe Kits: Complete kits that include sterile syringes and disposal containers to ensure safety and convenience.
• Educational Resources: Longde provides training materials and support to assist healthcare professionals and patients in proper usage.

References

• American Diabetes Association. Insulin Administration. Diabetes Care, vol. 43, no. Supplement 1, 2020.
• World Health Organization. Safe Management of Wastes from Health-care Activities. WHO, 2014.
• Longde Company. Product Specifications and User Guides. Accessed October 2023.