Blood collection needle is a transient invasive medical device.

The product is used to obtain capillary blood samples from fingertip in a hospital or at home. The lancet is assembled with lancing device, once the lancing device is launched, the needle of lancet can prick the skin.

The working principle of a blood lancet involves quickly and precisely puncturing the skin to obtain a small blood sample. 

 Needle Design

   - The needle of a blood lancet is extremely fine and sharp, typically made of stainless steel, allowing it to quickly penetrate the skin while minimizing pain.

   - The length and diameter of the needle are adjusted based on its intended use to accommodate different puncture depths and blood volume requirements.