The Ultimate Glossary of Wheelchair Securement Terms
Mobility securement defined
From standard wheelchair terminology to hyper-focused mobility securement terms, this guide will serve as a powerhouse resource for wheelchair education.
Looking for a great resource on wheelchair securement education? You have come to the right place! Here you will find industry specific terminology that will allow you to become an expert on the topic. Here is a collection of the terms you should know, adapted from the International Organization for Standardization (ISO). For definitions in full detail, head over to: https://www.ncart.us/uploads/userfiles/files/glossary-of-wheelchair-terms.pdf
Part I: Standard wheelchair terms
Designed for a person with impaired mobility, this device is complete with a seating support system that provides mobility as its main function. Manual and powered functions are available, but this does not include devices such as mobility carts. Source: Adapted from ISO 7176-26, 4.11
Wheelchair Mobility Device (WMD)
Wheeled technology for persons with impaired mobility. They provide assistance in a sitting, standing or lying down position.
This device is lightweight and foldable with upholstered seating. Designed for propulsion, it is available with adult and pediatric adaptations.
Power Wheelchair (PWC)
Including an internal source of power, this wheelchair is electrically motor powered.
This device has a platform base that offers foot support as well as support for the wheels, seating and steering components. The seating on this 3- to 4-wheeled power mobility device includes back support and a tiller.
Either the occupant or the assistant that is operating the wheelchair.
The mobility rider that is physically sitting in the wheelchair.
Other than the mobility rider, this is the person that controls the wheelchair.
Part II: Wheelchair transportation and securement terms
Wheelchair Tie-Down and Occupant Restraint System (WTORS)
A restraint system of equipment for mobility riders that includes wheelchair tie-downs and belts.
A restraint system designed to prevent ejection and contact with the vehicle or other occupants in the event of an impact.
Orientation where the mobility rider faces the front of the vehicle.
Orientation where the mobility rider faces the back of the vehicle.
A tie-down system for wheelchairs that includes four individual securement points as well as four anchor points attached to the vehicle.
Webbing material length that is used for tying down the wheelchair.
Includes the assembly of the components that are used in the installation of wheelchair securement systems in vehicles. This is the system that the wheelchair will engage with and lock into.
Location in the vehicle where the anchor is attached.
The way in which components and fittings are assembled where loads are transferred from either the wheelchair tie-down or from the restraint to the wheelchair, vehicle or interior component.
Locations in the wheelchair where the tie-downs are attached.
A safety restraint system that includes a pelvic and shoulder belt that connect near the hip.
Belt restraint intended to limit head movement by retaining the shoulders and chest.
Belt restraint intended to limit pelvis movement.
30MPH/20G Impact Test
A crash condition that is simulated and dynamic to measure wheelchair securement effectiveness and response to impacts.
Securement systems that have passed the 30mph/20g Impact Test and meets ADA requirements.
Retractable securement systems that have passed the 30mph/20g Impact Test and meets ADA requirements.
Securement systems that have a minimum breaking point of 2,500 lbs per strap and meets ADA requirements.
A restraint lap belt that connects to the rear strap of the securement system. The belt’s restraint capability depends on the strength of the whole system.
Minimum Breaking Strength
The minimum static load that a wheelchair securement system component, strap, or belt can withstand before failure.
Used to support a person with special needs, this can include a wheelchair or any other manual and battery powered mobile seating devices.
A wheelchair securement and restraint system design feature where the hardware has a spring loaded mechanism that prevents disengagement.
A feature that allows for the repositioning of vehicle seats using Aluminum Track and seat studs.
A securement and restraint system that uses heavy duty Steel Tracks or Floor Plates as anchoring points.
A securement and restraint system for wheelchairs that uses Series L Aluminum Track or Floor Plates as anchoring points.
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