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A portable, Preprogrammable insulin infusion system with 16 rates.

K Kølendorf, J Bojsen

Hormone and Metabolic Research. Supplement Series

|January 1, 1979

Summary

A new portable, programmable pump offers precise, long-term drug delivery for intravenous infusions. This device ensures accurate medication administration with built-in safety features for continuous therapy.

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Area of Science:

Biomedical Engineering
Medical Devices
Drug Delivery Systems

Background:

Long-term therapeutic intravenous (IV) drug infusions require reliable and precise delivery systems.
Existing systems may lack portability, programmability, or continuous monitoring capabilities.

Purpose of the Study:

To develop and characterize an external, portable, programmable pump for long-term therapeutic IV drug infusions.
To evaluate the accuracy, safety, and operational duration of the developed infusion system.

Main Methods:

Development of an impulse-controlled system integrating a CMOS-electronic unit and an electromechanical infusor with a disposable syringe.
Manual programming of infusion patterns in 16 steps over a 24-hour cycle.
Assessment of infusate accuracy (coefficient of variation) and incorporation of an alarm circuit for pump speed and reservoir volume monitoring.

Main Results:

The developed pump is portable (total weight 450 g) and programmable for detailed infusion control.
Infusion accuracy demonstrated a coefficient of variation less than 2% per 0.5-hour interval.
The system features an alarm circuit for enhanced safety and can operate continuously for 7 days on a single battery charge.

Conclusions:

The external, portable, programmable pump provides a viable solution for accurate and reliable long-term therapeutic IV drug administration.
The device's programmability, accuracy, portability, and safety features make it suitable for various clinical applications requiring continuous infusion therapy.

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