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An inexpensive vibrating microtome for sectioning fixed tissue

G T Bazer, D S Knight

    Stain Technology
    |January 1, 1980
    PubMed
    Summary
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    Researchers developed an inexpensive tissue sectioner using a vibrating razor blade and a simple elevation mechanism. This portable device allows for rapid, uniform sectioning of fixed tissues at 50 micrometers or more.

    Area of Science:

    • Biomedical Engineering
    • Histology
    • Laboratory Equipment

    Background:

    • Accurate tissue sectioning is crucial for microscopic analysis in research and diagnostics.
    • Existing microtomes can be expensive and complex, limiting accessibility in some settings.

    Purpose of the Study:

    • To design and construct a low-cost, portable tissue sectioner.
    • To demonstrate the feasibility of achieving uniform tissue sections using simple mechanisms.

    Main Methods:

    • A vibrating razor blade from a hair clipper was integrated into the device.
    • A nut and bolt system was adapted for precise tissue elevation and advancement.
    • A machined Teflon cylinder provided a smooth surface for the razor assembly's movement.
    • A metal disc served as the stage for the tissue specimen.

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    Main Results:

    • The constructed tissue sectioner cost less than fifty dollars.
    • Uniform tissue sections of 50 micrometers or greater thickness were consistently achieved.
    • The device demonstrated portability and rapid sectioning capabilities.

    Conclusions:

    • A functional and affordable tissue sectioner can be built using readily available materials.
    • This low-cost alternative offers significant advantages in portability, speed, and economic feasibility for researchers.
    • The developed device can facilitate histological sample preparation in resource-limited environments.