From: Determining optimal needle size for decompression of tension pneumothorax in children – a CT-based study
Outer Diameter
Length
24G
0.07 cm
1.9 cm
22G
0.09 cm
2.5 cm
20G
0.11 cm
3.2 cm
18G
0.13 cm
4.5 cm
16G
0.18 cm