Related Experiment Video
Updated: Aug 1, 2026

Construction and Implantation of a Microinfusion System for Sustained Delivery of Neuroactive Agents.
Published on: March 18, 2008
Insights
A portable infusion system allows children to receive continuous intravenous or nasogastric feeding at home for months. This ambulatory system, maintained by parents, offers a safe and effective solution for long-term pediatric nutrition.
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.
Abstract:
A portable infusion system has been developed that can maintain a continuous intravenous or nasogastric infusion in a child for prolonged periods of time. Three children have received infusions of several months' duration over a period of two years. They were able to remain ambulant and the system has been maintained by parents at home. A minature peristaltic rotary pump is carried on the back, which infused fluid from an IV solution pack via an indwelling silicone rubber catheter. During IV infusion two bacterial filters are used in series. The first removes the particles normally present in commercial IV solutions, enabling the second to reduce the risk of infection and air embolism. Nasogastric infusion is simpler to maintain and the silicone rubber tubes are well tolerated for long periods. The pump unit is small, inexpensive, and requires minimal maintenance; the pump chambers and catheters are readily sterilized. Modified systems are in use, (e.g. for nasojejunal feeding of preterm infants) and the unit could provide compact alimentation for the ambulant patient after massive gut resection.
More Related Videos
Related Concept Videos
One-Compartment Model: IV Infusion
The one-compartment model for IV infusion uses mathematical equations to describe the rate of change in drug quantity in the body. At steady-state or infusion equilibrium, the drug input...
Drug Accumulation During Multiple Dosing: Intermittent IV Infusions
IV Infusion to Oral Dosing: Conversion Methods
Drug Dosing: Infants and Children
Pharmacokinetics in Pediatric Patients: Drug Excretion
Parenteral Drug Delivery Systems: Injectables, Implants, and Infusion Devices

