1. Needle tip shape: The needle tip of DP5 needle is conical, which is suitable for routine subcutaneous injection and intramuscular injection. The tip of DP 17 needle is triangular, which is suitable for special injection techniques, such as subcutaneous injection or intramuscular injection.
2. Needle length: The needle length of DP5 needle is usually short, which is suitable for shallow subcutaneous injection or intramuscular injection. The needle length of DP 17 needle is usually long, which is suitable for subcutaneous deep injection or intramuscular injection.
3. Needle diameter: The needle diameters of DP5 needle and DP 17 needle can be selected in different specifications as required, such as 30G, 3 1G and 32G. The smaller the diameter, the thinner the needle, which is suitable for the case of small amount of injected drugs.
4. Usage: DP5 needle and DP 17 needle are mainly used for subcutaneous injection and intramuscular injection, but due to the different shape and length of the needle tip, the applicable injection site and injection technology are also different.
It should be noted that the choice of using DP5 needle or DP 17 needle depends on the specific injection needs and the advice of medical professionals. Different injection techniques and injection sites may require different types of needles to ensure safe and effective injection.