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An improvised depth gauge using a hypodermic needle.

G D Smith1, R Moreno

  • 1Christine M. Kleinert Institute for Hand and Microsurgery, Louisville, Kentucky 40202, USA.

Hand Surgery : an International Journal Devoted to Hand and Upper Limb Surgery and Related Research : Journal of the Asia-Pacific Federation of Societies for Surgery of the Hand
|August 18, 2005
PubMed
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A hypodermic needle can be bent to serve as a makeshift depth gauge for measuring screw length when a proper tool is unavailable. This simple, accessible method offers a practical solution in specific dental or surgical scenarios.

Area of Science:

  • Dental instrumentation
  • Surgical tools
  • Medical device improvisation

Background:

  • Depth gauges are essential for accurate screw length measurement in various procedures.
  • The unavailability or breakage of standard depth gauges can impede procedural accuracy.
  • Improvisation of tools is sometimes necessary in clinical settings.

Purpose of the Study:

  • To propose a simple, alternative method for measuring screw length.
  • To describe the use of a modified hypodermic needle as a substitute depth gauge.
  • To provide a practical solution for situations lacking a conventional depth gauge.

Main Methods:

  • A hypodermic needle is reshaped by bending it to mimic the form of a standard depth gauge.
  • The modified needle is utilized in a manner analogous to a conventional depth gauge for screw measurement.

Related Experiment Videos

  • Measurements are taken by comparing the screw length against the scale on the set.

    • Main Results:

    • The bent hypodermic needle effectively simulates the function of a depth gauge.
    • Accurate measurement of screw length is achievable using this improvised tool.
    • The method provides a viable alternative in the absence of a dedicated depth gauge.

    Conclusions:

    • A bent hypodermic needle offers a simple and effective makeshift depth gauge for screw length measurement.
    • This technique is recommended as a practical solution when no suitable depth gauge is available.
    • The method highlights the potential for tool improvisation in clinical practice.