Why are insulin pen needles not recommended for repeated use?
The small needle also reduces the user's injection pain. However, many people think that it is too troublesome to replace the needle due to economic cost considerations, and often a needle is used for a week or even longer, which also brings some safety hazards.
The repeated use of the needle for the injection pen will affect the accuracy of the insulin injection dose, cause poor blood sugar control, and lead to hyperplasia of subcutaneous fat. In addition, the repeated use of insulin pen needles will cause the needle tip to become dull, the lubricating layer on the needle surface will fall off, and the pain will increase, which directly affects patient compliance. Therefore, the needle for the injection pen must be changed at a time.
So how to choose such insulin pen needles on the market?
1. Insulin pen needle with a length of 4 mm: This is the shortest of all needles, so it is also the safest. Adults and children can use it, regardless of age, gender, height, fat or thin.
2. If you have tremors or some other reasons, you cannot hold the 4 mm insulin pen needle, it is recommended to use a longer insulin pen needle.
3. If the insulin pen needle with a length of 6 mm or more is injected into the upper arm (upper half of the arm), someone must help to pinch the skin, so if the insulin is injected into the arm, it is better to use a 4 mm needle.
What precautions should be taken when using insulin pen needles?
1. When injecting in the thinner parts of the arms, legs or belly, no matter the length of the insulin pen needle, it is necessary to pinch the skin or insert the needle at a 45° angle.
2. Avoid pressing the skin during injection to avoid depression, and prevent the needle of the insulin pen from piercing too deep into the muscle tissue.
3. For children, adolescents and thin patients, choose a short needle as much as possible, pinch the skin, and insert the needle vertically or obliquely to avoid injection into the muscle
4. For obese patients, 4 mm insulin pen needles are safe and effective, and 5 mm are also acceptable.
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