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Related Concept Videos

Application of Pascal's Law01:03

Application of Pascal's Law

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Updated: May 11, 2026

Measurement of Dynamic Force Acted on Water Strider Leg Jumping Upward by the PVDF Film Sensor
07:17

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Published on: August 3, 2018

Evaluation of the Force Sensing Application pressure mapping system.

Zita Ranajoy Dey1, Nadia R Nair, Nigel Shapcott

  • 1Posture and Mobility Service, Betsi Cadwaladr University HB, Rehabilitation Engineering Unit, Bryn-y-Neaudd Hospital , Llanfairfechan, LL33 0HH , Wales. zita.dey@wales.nhs.uk

Journal of Medical Engineering & Technology
|May 2, 2013
PubMed
Summary

Regular calibration of Force Sensitive Application (FSA) pressure mapping systems is crucial for reliable wheelchair seating assessments. Calibrating these pressure mats every two months ensures consistent and accurate data for preventing pressure ulcers.

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Area of Science:

  • Biomedical Engineering
  • Rehabilitation Technology
  • Clinical Assessment Tools

Background:

  • Pressure mapping systems are vital in wheelchair and seating services for posture assessment and pressure ulcer prevention.
  • Force Sensitive Application (FSA) systems in Wales require frequent calibration due to high clinical utilization.

Purpose of the Study:

  • To evaluate the performance of FSA pressure mapping systems.
  • To develop an effective calibration strategy for these systems.

Main Methods:

  • The study involved three testing stages: pilot, long-term, and before-and-after calibration.
  • The pilot stage compared manual, automated, and software-based calibration techniques to find optimal frequency.
  • The long-term stage validated the best method over 10 weeks; the final stage assessed calibration's direct impact.

Main Results:

  • Calibration is essential for maintaining the reliability of pressure mapping mats.
  • The study determined that a calibration frequency of every 2 months is recommended.
  • Consistent calibration ensures more reliable and accurate pressure mapping data.

Conclusions:

  • The calibration process is fundamental to the integrity of FSA pressure mapping systems.
  • Implementing a bi-monthly calibration schedule for systems in Wales will enhance data consistency.
  • This strategy supports improved clinical decision-making in wheelchair and seating services.