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ISO 16840-2:2018

Wheelchair seating - Part 2: Determination of physical and mechanical characteristics of seat cushions intended to manage tissue integrity

ISO 16840-2:2018 specifies apparatus, test methods and disclosure requirements for wheelchair seat cushions intended to maintain tissue integrity and prevent tissue trauma. Test conditions simulate a symmetric anatomy and posture and do not represent cushion performance for specific individual users. Loads are intended to represent those seen under the pelvis of a 50th percentile wheelchair user and are not intended to assess the weight capacity of the cushion or to characterize the cushion under bariatric loads. It is possible that not all test methods apply to existing and future cushion technologies. It does not include test methods or requirements for determining the fire resistance of cushions.

ISO 16840-2:2018 can also be applicable to tissue integrity management devices used as other support systems, as well as to cushions used in situations other than a wheelchair.


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International Organization for Standardization [ISO]


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ISO 16840-3:2014
Wheelchair seating - Part 3: Determination of static, impact and repetitive load strengths for postural support devices
ISO 16840-6:2015
Wheelchair seating - Part 6: Simulated use and determination of the changes in properties of seat cushions
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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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