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Laboratory experience with a new autotransfusion device

J Welch, H Weintraub, B J Gutterman

    Archives of Surgery (Chicago, Ill. : 1960)
    |December 1, 1976
    PubMed
    Summary
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    A novel intraoperative autotransfusion device simplifies blood collection and administration. Its design minimizes turbulence and foaming, offering continuous pressure infusion and suction for improved patient outcomes.

    Area of Science:

    • Biomedical Engineering
    • Surgical Technology

    Background:

    • Intraoperative autotransfusion (IOTA) is crucial for reducing allogeneic blood transfusions.
    • Existing IOTA devices can be complex and costly.
    • There is a need for efficient and cost-effective IOTA systems.

    Purpose of the Study:

    • To introduce a novel device for intraoperative autotransfusion.
    • To highlight the device's innovative features for blood collection and administration.
    • To evaluate the device's performance and usability.

    Main Methods:

    • Development of a new IOTA device with a vacuum-expanded collection bag.
    • Incorporation of a crease in the collection bag to reduce turbulence and foaming.
    • Integration of a valve for continuous pressure infusion and suction.

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    Main Results:

    • The device features a vacuum-expanded collection bag with controlled suction.
    • A unique bag crease minimizes blood turbulence and foaming.
    • Continuous pressure infusion and suction are enabled by a separated infusion element and retrieval system.

    Conclusions:

    • The developed IOTA device is inexpensive and quickly assembled.
    • It operates efficiently with standard wall suction or a suction pump.
    • Favorable preliminary results were observed in animal studies.