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Needles
The choice of needle depends on the product to be injected, the injection site, the condition of the veins, etc.
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For more information, please do not hesitate to contact us.
Gauge (G) to millimetre (mm) conversion chart
Each gauge corresponds to the exterior diameter of the needle in mm, expressed using the standard colour code.
21G
0.8 mm
Green
22G
0.7 mm
Black
23G
0.6 mm
Blue
25G
0.5 mm
Orange
26G
0.45 mm
Brown
27G
0.4 mm
Grey
29G
0.33 mm
-
30G
0.3 mm
Yellow
Needle Comparison
Medoject
Standard needle
Compatibility: All Luer tip syringes (Luer Slip and Luer Lock)
Total dose
Low dead space needle
Compatibility: All Luer tip syringes, except low dead space syringes with a spike on the plunger
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Choosing the right needle
A short thin needle is generally preferable to a long wide needle, as smaller needles minimise the risk of tissue and vein damage.
However, in some cases, a long and/or wide needle may be more suitable:
- If the product to be injected is very thick and/or viscous
- If the volume to be injected is high
- If the veins have hardened
- If the vein is deep