Injection needle is a tool specially used for injecting drugs. Its main feature is that it can inject liquid medicine into human body. An injection needle usually consists of a needle tip, a needle cylinder, a handle and a plug core. The needle tip must be sharp and suitable for the injection site, the handle is convenient to hold and operate, and the function of the plug core is to control the injection speed of the liquid medicine.
The needle for injection needle has the functions of stopping bleeding, protecting skin, painless injection, promoting drug absorption, and being convenient to carry and use.
Step 1 stop bleeding The hemostatic function is achieved by coating the needle surface or designing the structure to reduce tissue damage.
Step 2 protect the skin Protecting the skin mainly uses the special material and design of the needle to avoid additional damage to the skin.
Step 3. Painless injection Painless injection relies on the blunt design of the needle to relieve the pain of the patient.
Step 4. Promote drug absorption To promote drug absorption, factors such as needle length and angle should be considered to affect drug diffusion speed.
Step 5. Easy to carry and use It is convenient to carry and use because it is small in size and can be fixed on the syringe. When using an injection needle, make sure to choose the appropriate needle length and follow the instructions of the product manual to reduce the risk of discomfort. At the same time, pay attention to changing needles regularly and maintain good personal hygiene habits to reduce the chance of infection.
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