A portable infusion system for the ambulant child

Area of Science:

• Biomedical Engineering
• Pediatric Gastroenterology
• Medical Device Development

Background:

• Prolonged intravenous or nasogastric infusions in children often require hospitalization.
• Maintaining continuous nutrition for ambulant pediatric patients presents significant challenges.
• Existing systems may be cumbersome, expensive, or require specialized maintenance.

Purpose of the Study:

• To develop and evaluate a portable infusion system for long-term ambulatory pediatric use.
• To assess the feasibility of home-based maintenance by parents.
• To explore applications in both intravenous and nasogastric feeding scenarios.

Main Methods:

• A miniature peristaltic rotary pump system was designed for ambulatory use.
• The system utilized an indwelling silicone rubber catheter and IV solution pack.
• Dual bacterial filters were employed during intravenous infusions to enhance safety.
• Parental home maintenance and sterilization procedures were documented.

Main Results:

• Three children received infusions for several months over two years, remaining ambulant.
• The system was successfully maintained by parents at home.
• Nasogastric infusion proved simpler to manage and tubes were well-tolerated.
• The pump unit demonstrated low cost, minimal maintenance, and ease of sterilization.

Conclusions:

• The portable infusion system enables prolonged, safe, and ambulatory nutrition in children.
• Parental home management is feasible, reducing the need for continuous clinical supervision.
• The system offers a versatile and cost-effective solution for various pediatric feeding needs, including specialized applications.