Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Free-standing vaporizers. Another hazard.

D A Kelly

    Anaesthesia
    |July 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Free-standing anesthetic vaporizers can pose a hazard when placed after an oxygen flush. Studies show unexpected high concentrations of enflurane delivered, potentially impacting patient safety during anesthesia.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    The necessity of education and hepatitis B vaccination for young people: A study of high risk behaviour for blood borne viruses in the United Kingdom.

    Journal of child health care : for professionals working with children in the hospital and community·2019
    Same author

    A 10-year longitudinal follow-up study of a U.K. paediatric transplant population to assess for skin cancer.

    The British journal of dermatology·2018
    Same author

    "Are these adult doctors gonna know me?" Experiences of transition for young people with a liver transplant.

    Pediatric transplantation·2016
    Same author

    Parents in transition: Experiences of parents of young people with a liver transplant transferring to adult services.

    Pediatric transplantation·2016
    Same author

    Selenium homocholic acid taurocholate scanning, selenium-75-labeled bile acid, a novel method for testing the function of the terminal ileum in small bowel transplant recipients: a pilot study.

    Transplantation proceedings·2014
    Same author

    Treatment of chronic viral hepatitis C in children and adolescents: UK experience.

    Archives of disease in childhood·2014

    Area of Science:

    • Anesthesiology
    • Medical Device Safety
    • Pharmacology

    Background:

    • Free-standing anesthetic vaporizers, specifically 'Tec' types, have potential positioning hazards.
    • The interaction between oxygen flush systems and vaporizer function requires further investigation.

    Purpose of the Study:

    • To identify and characterize a previously unreported hazard associated with the positioning of free-standing 'Tec' type anesthetic vaporizers.
    • To quantify the delivered enflurane concentration under specific conditions involving oxygen flush.

    Main Methods:

    • Three Enfluratec Mark III vaporizers were utilized for the study.
    • Delivered enflurane concentrations were measured at a flow rate of 8 litres/minute.
    • Measurements were taken during and after the application of an upstream oxygen flush.

    Related Experiment Videos

    Main Results:

    • A significant difference between dial setting and measured enflurane concentration was observed.
    • The maximum discrepancy occurred with a 5-second oxygen flush on a vaporizer set to 0.2 volume %.
    • A peak delivered concentration of 2.3% enflurane was recorded under these conditions.

    Conclusions:

    • The positioning of free-standing vaporizers downstream of an oxygen flush presents a significant safety hazard.
    • Anesthetic delivery inaccuracies can occur, potentially leading to adverse patient outcomes.
    • Recommendations for avoiding these hazards and ensuring safe anesthetic delivery are discussed.