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Related Experiment Videos

Cost-effective shock wave hydrophones.

M E Schafer1

  • 1Sonic Technologies, Inc., Hatboro, PA 19040.

The Journal of Stone Disease
|March 9, 1993
PubMed
Summary
This summary is machine-generated.

This study introduces a new wideband shock wave sensor (hydrophone) using polyvinylidene difluoride (PVDF). Its disposable design and self-monitoring feature offer cost-effective, accurate measurements for lithotripter fields.

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Area of Science:

  • Biophysics
  • Sensor Technology
  • Materials Science

Background:

  • Accurate measurement of shock wave fields is crucial for lithotripsy research and regulatory approval.
  • Existing hydrophone systems can be costly for frequent use in research and quality assurance.

Purpose of the Study:

  • To design and develop a novel wideband, quantitative shock wave sensor (hydrophone).
  • To incorporate a disposable sensor element and a self-monitoring feature for enhanced usability and cost-effectiveness.

Main Methods:

  • Utilized polyvinylidene difluoride (PVDF) as the piezoelectric material.
  • Developed a hydrophone design featuring a disposable sensor element.
  • Integrated a self-monitoring system to indicate sensor replacement needs.

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Main Results:

  • The developed PVDF hydrophone provides accurate, wideband measurements of lithotripter fields.
  • The disposable sensor element significantly reduces per-shot costs.
  • The self-monitoring feature ensures reliable sensor performance and timely replacement.

Conclusions:

  • The novel hydrophone design meets requirements for quantitative biophysical research and FDA submissions.
  • The cost-effective and user-friendly design supports research, quality assurance, and regulatory applications.