How Do You Draw Back A Blunt Needle
Oct 31, 2022
A blunt needle cannot be drawn back.
Blunt needle is used for fan-shaped and cross filling in large areas such as forehead, with fewer pinholes and easier to tile evenly, while sharp needle is difficult to inject evenly in large areas.
Blunt needle control operation more simple, no blade strong elasticity, not easy to Pierce the vascular damage, but it can't be flesh injection, could cause a tear strain to muscle tissue, sharp needle can be skin injection, without replacement needles, the flexibility of plane and point injection, to skin tissue damage to use smaller, but the sharp needle sharp easy to cause blood vessel rupture, Susceptible to damage to sensitive organs.
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