Loaded Contour Depth and Overload Deflection (LCD)

You are here:

This article relates to ISO 16840-2:2018, Clause 11

Graphic provided by the University of Pittsburgh Wheelchair and Cushion Standards Group

 

Learn more about this test:

Video    

LCD Overview

LCD Testing

Sample Data

Immersion (wheelchairstandards.com)

Other physical and mechanical characteristics of seat cushions

Make sure to learn about the following physical and mechanical characteristics of seat cushions intended to manage tissue integrity:

Related literature

International Organization for Standardization. ISO 16840-2: Wheelchair seating — Part 2: Determination of physical and mechanical characteristics of devices intended to manage tissue integrity – Seat cushions. Geneva, Switzerland; 2018.

Sprigle S, Press L. Reliability of the ISO wheelchair cushion test for loaded contour depth. Assist Technol. 2001;15(2), 145-150. doi:10.1080/10400435.2003.10131898

Karg P, Manko A, Brienza D, Delazio A. Effects of simulated aging on seat cushion immersion. In: Proceedings of the RESNA International Conference on Technology and Disability. Arlington, VA: RESNA Press; 2021.

Wheelchair & Cushion Performance Testing Standards – Guidance on interpretation of performance standards for wheelchair seat cushions. https://www.wheelchairstandards.pitt.edu/sites/default/files/fact-sheets/cpig_tabular.pdf.

Wheelchair & Cushion Performance Testing Standards – Interpreting wheelchair seat cushion performance standards.  https://www.wheelchairstandards.pitt.edu/sites/default/files/fact-sheets/cpig_with_pictures.pdf.

 

Acknowledgements

We would like to thank the University of Pittsburgh Wheelchair and Cushion Standards Group for the contribution on this topic.

Was this article helpful?
Dislike