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Updated: Jun 18, 2026

Thermal Ablation for the Treatment of Abdominal Tumors
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Thermal Ablation for the Treatment of Abdominal Tumors

Published on: March 7, 2011

Image-guided thermochemical ablation: theoretical and practical considerations.

Erik N K Cressman1

  • 1University of Minnesota Medical School, Minneapolis, MN 55455, USA. cress013@umn.edu

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|December 8, 2009
PubMed
Summary

Thermochemical ablation using acid-base reactions shows potential for tissue coagulation. Prototype devices were developed to administer these reactions for medical applications.

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Area of Science:

  • Biomedical Engineering
  • Chemical Engineering

Background:

  • Tissue ablation is a critical medical procedure.
  • Current methods have limitations, necessitating novel approaches.

Purpose of the Study:

  • To evaluate thermochemical ablation as a novel method for tissue coagulation.
  • To develop a prototype device for administering thermochemical ablation.

Main Methods:

  • Acid-base reactions (HCl/acetic acid with NH4OH/NaOH) were conducted in a gel phantom calorimeter.
  • Concentrations ranged from 1-12 M, with data recorded over 5 minutes.
  • Two prototype devices were constructed for administration.

Main Results:

  • Maximum temperature rises were observed almost instantly, peaking at 106°C with 12 M solutions.

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  • Strong acid-strong base combinations (HCl-NaOH) yielded higher temperatures than weak acid-weak base (acetic acid-NH4OH).

    • Conclusions:

    • Thermochemical ablation reactions generate sufficient heat for tissue ablation.
    • This method holds promise as a new modality for medical tissue coagulation.