Needle angle for venipuncture
15-30 degrees
Needle angle for buttery
10-15 degrees
Needle angle for arterial
45-60 degrees
Smallest needle gauge
23-25
Largest needle gauge
16
Finger stick puncture depth
3.0 mm
Heel stick puncture depth
2.0 mm
Bleeding time puncture depth
1.0 mm
Dermal puncture width
2.4 mm