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How to buy a lancet, what do 21G and 28G mean?

Posted by Admin | 06 May
When we buy lancet, we need models of different thicknesses according to different situations. What 21G and 28G represent: The larger the number in front of G, the thinner the needle, the less blood collection, and the smaller the wound for the patient. , Pain is also small.




So what does this 28G or 21G mean?
28G 0.36mm; 27G 0.40mm; 26G 0.45mm; 25G 0.50mm; 23G 0.60mm; 22G 0.70mm; 21G 0.80mm; 20G 0.90mm; It can be seen that the 28G blood collection needle is relatively thin, and the needle below 21G, such as 19G and 18G, the needle will be very thick, but it is basically difficult to buy on the market. The thicker ones we buy are generally 21G, which are yellow-brown, while 28 or 23G are blue.
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