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One-Compartment Model: IV Infusion

One-Compartment Model: IV Infusion

Intravenous (IV) infusion is often utilized when continuous and controlled drug delivery is necessary, such as during surgery or in the treatment of chronic diseases. This method offers numerous advantages, including immediate drug action, precise control over dosage, and bypassing the first-pass metabolism.
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

Drug Accumulation During Multiple Dosing: Intermittent IV Infusions

Intermittent intravenous (IV) infusion is a method of drug administration where medications are delivered over short infusion periods followed by intervals of no drug delivery. This approach helps to prevent sustained high drug concentrations in the bloodstream, reducing the risk of adverse effects associated with prolonged exposure. Unlike continuous infusion, steady-state concentrations may not be achieved during a single dosing cycle but can be reached through repeated...

Two-Compartment Open Model: IV Infusion

Two-Compartment Open Model: IV Infusion

A two-compartment model is a vital tool in pharmacokinetics, providing an essential understanding of drug behavior, especially for those administered via zero-order intravenous infusion. This model outlines two compartments: the central compartment, where elimination occurs, and the peripheral compartment.
The model illustrates the decrease in plasma drug concentration from the central compartment with a specific equation. It shows that under steady-state conditions, the drug's input rate...

Parenteral Drug Delivery Systems: Injectables, Implants, and Infusion Devices

Parenteral Drug Delivery Systems: Injectables, Implants, and Infusion Devices

Parenteral drug delivery systems play a crucial role in modern therapeutics by enabling the direct administration of drugs into the systemic circulation, bypassing the gastrointestinal tract. These systems are particularly valuable for poorly absorbed oral medications that are unstable in the digestive environment or require rapid onset or sustained therapeutic levels. Delivery is achieved through intravenous, intramuscular, or subcutaneous routes, each selected based on the drug's properties...

IV Infusion to Oral Dosing: Conversion Methods

IV Infusion to Oral Dosing: Conversion Methods

The development of extended-release formulations has facilitated the transition from intravenous to oral medication, offering a more convenient and patient-friendly approach to drug administration. This transition, however, requires careful management to ensure that therapeutic drug levels are maintained, preserving efficacy and avoiding adverse effects. Understanding pharmacokinetic principles and dosage calculations is critical during this process.Pharmacokinetics of the...

Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations

Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations

Gentamicin, an aminoglycoside antibiotic, is commonly administered via intermittent intravenous infusion to treat severe infections. An intermittent one-hour infusion of gentamicin, administered at eight-hour intervals, allows for precise control of plasma drug concentrations, minimizing toxicity while ensuring therapeutic efficacy. Pharmacokinetic principles govern the dynamics of plasma concentrations and can be mathematically described using specific equations.The plasma drug concentration...

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Related Experiment Video

Updated: May 20, 2026

A Model of Chronic Nutrient Infusion in the Rat

A Model of Chronic Nutrient Infusion in the Rat

Published on: August 14, 2013

A drip infusion warning system.

Hidekuni Ogawa¹, Hikaru Amano, Hiromichi Maki

¹University of Missouri-Columbia.

Biomedical Sciences Instrumentation

|August 1, 2012

Summary

This summary is machine-generated.

A new drip infusion warning system accurately identifies 20 and 60 drop factor infusion sets. This technology helps prevent medication errors by monitoring fluid drop length, enhancing patient safety in healthcare settings.

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Last Updated: May 20, 2026

A Model of Chronic Nutrient Infusion in the Rat

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Published on: August 14, 2013

Microinjectrode System for Combined Drug Infusion and Electrophysiology

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Published on: November 13, 2019

Direct Infusion Device for Molecule Delivery in Plants

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Published on: June 2, 2023

Area of Science:

Biomedical Engineering
Medical Device Technology

Background:

Two common infusion set drop factors (20 and 60 drops/mL) exist.
Incorrectly matched drop factors can lead to significant volume delivery errors.
Such errors pose risks of patient injury and potential legal complications.

Purpose of the Study:

To develop an automated warning system for identifying infusion set drop factors.
To prevent potential patient harm caused by mismatched infusion set parameters.
To reduce human error in intravenous fluid administration.

Main Methods:

A warning system utilizing two electrodes was designed.
Electrodes were placed on the infusion tube and drip chamber.
Electrical impedance changes, correlated with drop length, were monitored.

Main Results:

The system successfully differentiates between 20 and 60 drop factor infusion sets.
Drop length variations were identified as key indicators for set identification.
The system's detection mechanism is based on electrical impedance monitoring.

Conclusions:

The developed drip infusion warning system effectively identifies infusion set types.
Monitoring drop length via electrical impedance offers a reliable detection method.
This system enhances patient safety by minimizing infusion-related errors.