Pediatric Intra-Venous Cannulas

Pediatric IV Cannulas

Size Selection Guide

  • Neonates (0-28 days)
    • 24G (Yellow): Primary choice
    • 26G (Purple): Extremely low birth weight
    • Flow rate: 22-19 mL/min
    • Best for peripheral veins
  • Infants (1-12 months)
    • 24G (Yellow): Standard use
    • 22G (Blue): Larger infants
    • Flow rate: 22-36 mL/min
    • Suitable for most therapies
  • Children (1-12 years)
    • 22G (Blue): Primary choice
    • 20G (Pink): Larger children/Emergency
    • Flow rate: 36-60 mL/min
    • Blood sampling capability

Types of IV Cannulas

  • Standard Peripheral
    • Straight design
    • With/without wings
    • Various port options
    • Safety mechanisms
  • Safety Devices
    • Needle-stick protection
    • Blood spillage prevention
    • Auto-retractable needle
    • Visibility chamber
  • Special Features
    • Extended dwell time
    • Integration ports
    • Pressure injection compatibility
    • CT/MRI compatible options

Clinical Indications

  • Emergency Situations
    • Fluid resuscitation
    • Emergency medications
    • Blood product administration
    • Rapid sequence induction
  • Routine Care
    • IV medications
    • Maintenance fluids
    • Perioperative management
    • Nutritional support

Site Selection

  • Preferred Sites by Age
    • Neonates:
      • Dorsum of hand
      • Forearm veins
      • Antecubital veins (last resort)
      • Scalp veins (if necessary)
    • Infants/Children:
      • Dorsum of hand (first choice)
      • Forearm veins
      • Foot veins (ambulatory status)
      • Antecubital (emergency only)

Insertion Procedure

  • Preparation
    • Pain management options:
      • EMLA cream (60 min prior)
      • Local anesthetic
      • Distraction techniques
      • Child life specialist
    • Equipment needed:
      • Appropriate size cannula
      • Tourniquet
      • Cleaning solution
      • Securing devices
  • Step-by-Step Technique
    • 1. Vein identification
      • Transillumination device
      • Warm compress application
      • Gravity dependent positioning
      • Gentle tapping
    • 2. Insertion technique
      • 15-30 degree angle
      • Bevel up position
      • Flash observation
      • Advancement steps

Maintenance Care

  • Daily Assessment
    • Site inspection every 2-4 hours
    • Dressing integrity check
    • Patency verification
    • Documentation requirements
  • Flushing Protocol
    • Normal saline:
    • Neonates: 0.5-1mL
    • Infants: 1-2mL
    • Children: 2-5mL
    • Frequency: Q8h or PRN

Complications Management

  • Early Complications
    • Infiltration/Extravasation:
      • Immediate removal
      • Elevation
      • Cold/hot compress
      • Documentation
    • Phlebitis:
      • Remove catheter
      • Grade assessment
      • Treatment plan
      • Monitoring protocol
  • Prevention Strategies
    • Regular site rotation
    • Proper securement
    • Aseptic technique
    • Documentation compliance

Duration Guidelines

  • Recommended Timeline
    • Neonates: 72-96 hours
    • Pediatric: 72 hours
    • Emergency insertion: 24 hours
    • Earlier if complications
  • Removal Criteria
    • Signs of infection
    • Complete therapy
    • Malfunction
    • Patient discomfort


Further Reading
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