Related Experiment Video
Updated: Jul 4, 2026
06:57
Use of an Integrated Low-Flow Anesthetic Vaporizer, Ventilator, and Physiological Monitoring System for Rodents
Published on: July 9, 2020
The Glostavent: evolution of an anaesthetic machine for developing countries
1Department of Anaesthesia, Gloucestershire Royal Hospital, Gloucestershire, UK.
Anaesthesia and Intensive Care
|June 21, 2008
Summary
The Glostavent anesthesia machine is a robust, economical, and user-friendly device designed for developing countries. It addresses challenges like unreliable electricity and gas supply, ensuring continued operation during interruptions.
Area of Science:
- Anesthesiology
- Medical Engineering
- Global Health
Background:
- Modern anesthesia machines require stable electricity, compressed gases, and regular servicing, which are often unavailable in developing regions.
- These limitations hinder safe anesthetic delivery in resource-constrained healthcare settings.
Purpose of the Study:
- To describe the design and modifications of the Glostavent anesthesia machine.
- To highlight its suitability for use in developing countries.
Main Methods:
- Description of the basic components of the original Glostavent anesthesia machine.
- Analysis of modifications based on 10 years of field experience in the developing world.
Main Results:
- The Glostavent is robust, simple to operate, economical, and easy to service.
- It functions reliably even with interrupted oxygen or electricity supply.
Conclusions:
- The Glostavent anesthesia machine is a practical and improved solution for anesthetic delivery in challenging environments.
- Its design effectively addresses the specific needs of healthcare providers in developing nations.
Related Concept Videos
01:24General Anesthesia: Overview
Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
01:22Stages of General Anesthesia
Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
01:20Inhalational Anesthetics: Overview
Inhalation anesthetics are drugs that induce general anesthesia upon inhalation. They work by increasing the sensitivity of GABAA receptors or inhibiting NMDA receptors, leading to a decrease in central nervous system activity. The depth of anesthesia can be rapidly adjusted by changing the concentration of the inhaled gas. Some common examples of inhalational anesthetics include volatile liquids like isoflurane, desflurane, sevoflurane and gases like xenon and nitrous oxide. Isoflurane, a...
01:16Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia
Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
One of the advantages of...
One of the advantages of...
01:23Mechanical Ventilation II: Invasive Ventilation
Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
01:24Parenteral Anesthetics: Overview
Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.