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Related Experiment Video

Updated: May 9, 2026

Three-electrode Coin Cell Preparation and Electrodeposition Analytics for Lithium-ion Batteries
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The "LIME Wedge": A Technical Report on a 3D-Printed Radiologic Reference Device for Differentiating Button Battery

Peyton J Ware1, Carter Ware2,1, Amanda H Bjornstad3,1

  • 1Laboratory for Innovations in Medical Education, Loma Linda University School of Medicine, Loma Linda, USA.

Cureus
|May 8, 2026
PubMed
Summary

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This summary is machine-generated.

Button battery ingestions require prompt diagnosis. The LIME Wedge tool aids physicians in differentiating button batteries from coins on X-rays, preventing critical delays in emergency care.

Area of Science:

  • Radiology
  • Medical Devices
  • Emergency Medicine

Background:

  • Button battery ingestions are time-sensitive emergencies.
  • Misidentification of button batteries as coins can cause dangerous management delays.
  • Accurate radiologic differentiation is crucial for timely intervention.

Purpose of the Study:

  • To introduce the LIME Wedge, a novel radiologic reference device.
  • To demonstrate the utility of the LIME Wedge in distinguishing button batteries from coins on X-ray images.
  • To provide an accessible tool for improving diagnostic accuracy in suspected button battery ingestions.

Main Methods:

  • Design and 3D printing of the LIME Wedge device, holding coins and a button battery.
  • Utilizing a radiologic phantom to simulate ingestions.
Keywords:
3d-printingbutton batterycoinsforeign bodyradiologic reference

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  • Acquiring anterior and lateral chest X-ray (CXR) images using the phantom and device.
  • Visual analysis of X-ray images to assess differentiation capabilities.

    • Main Results:

    • The LIME Wedge successfully provided reference examples for differentiating button batteries from coins.
    • Images generated using the LIME Wedge clearly illustrate visual distinctions in two radiologic planes.
    • The tool facilitates easier identification of esophageal button batteries versus coins.

    Conclusions:

    • The LIME Wedge is an effective, inexpensive, and accessible 3D-printed radiologic tool.
    • It aids physicians in the prompt and accurate differentiation of button batteries from coins on CXR.
    • This tool has the potential to reduce diagnostic delays and improve patient outcomes in emergency ingestions.