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Related Experiment Video

Updated: Jul 3, 2026

Technical Detail for Robot Assisted Pancreaticoduodenectomy
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Technical Detail for Robot Assisted Pancreaticoduodenectomy

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Load sensing surgical instruments.

C Jacq1, T Maeder, P Ryser

  • 1Laboratoire de Production Microtechnique, Ecole Polytechnique Fédérale de Lausanne, BM-Station 17, 1015 Lausanne, Switzerland. caroline.jacq@epfl.ch

Journal of Materials Science. Materials in Medicine
|August 6, 2008
PubMed
Summary

Developing low-firing thick-film sensors for medical implants requires careful material selection. This study optimized materials for compatibility with stainless steel, addressing silver-based termination issues through post-firing.

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Area of Science:

  • Biomaterials Engineering
  • Sensor Technology
  • Materials Science

Background:

  • Smart surgical instruments and implants utilize force and pressure sensing for improved surgical outcomes.
  • Piezoresistive thick-film technology is a cost-effective sensor solution.
  • Standard firing conditions for thick films negatively impact medical alloy properties.

Purpose of the Study:

  • To develop and characterize low-firing thick-film systems (dielectrics, resistors, conductors).
  • To ensure chemical and thermal expansion compatibility with austenitic stainless steel.
  • To overcome material degradation issues in medical alloys during sensor fabrication.

Main Methods:

  • Formulation of low-firing thick-film materials.
  • Adherence testing of developed systems.

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Last Updated: Jul 3, 2026

Technical Detail for Robot Assisted Pancreaticoduodenectomy
14:45

Technical Detail for Robot Assisted Pancreaticoduodenectomy

Published on: September 28, 2019

  • Electrical property characterization, including resistance and temperature coefficient of resistance (TCR).
  • Analysis of material interactions during firing, particularly at silver-based resistor terminations.

    • Main Results:

    • Successful development of thick-film systems compatible with austenitic stainless steel.
    • Identification of material interactions at terminations as a key challenge.
    • Demonstration that post-firing resistor terminations at moderate temperatures mitigates resistive zone formation and enhances reliability.

    Conclusions:

    • Low-firing thick-film technology can be adapted for medical applications by carefully managing material interactions.
    • Post-firing treatment of resistor terminations is crucial for reliable sensor performance in medical alloys.
    • This approach enables the integration of advanced sensing capabilities into surgical instruments and implants.