• To ensure correct sizing the black lines can act as a “depth gauge” of soft tissue:
    • At least one black line on the catheter must be visible above the skin when the needle tip is touching bone
  • Generally the following needles are used:
Paediatrics
Paediatrics

Neonates and Small Infant:

  • Proximal and distal tibia insertion
15mm

Neonates and Small Infant:

  • Distal femur insertion

Children:

  • Proximal humerus insertion
  • Distal femur insertion
  • Tibial insertion (proximal and distal)
25mm
Adults
Adults
  • Tibial Insertion
25mm
  • Proximal humerus insertion
  • Any site with excessive overlying tissue
45mm