Axiom – The Science of Seating

High quality polyurethane foam can be used to make a highly effective cushion. The efficacy does not just come from the quality of the materials, but also the specific shapes, densities, and coverings. All aspects of design are critical to the performance of the cushion. Lets cover some specific design concepts used throughout the Axiom line.

We created a cohesive family of products with a “Best in Class” approach based on the Science of Seating. Every cushion was developed with the Science of Seating design elements of Directed Loading and Surface Tension Reduction through the use of Pre-contoured shapes, high-end, quality materials, and superior cover design.

There was a lot of thought put into the Axiom seating line.

It didn’t just happen, we designed it this way.

Description

Ki Mobility Logo
[kapee_heading title_tag=”h5″ title_align=”left” title=”SURFACE TENSION REDUCTION”]
Improved pressure distribution and stability are directly related to the ability of the body to immerse itself in the cushion. Less immersion means less surface area to spread the load over and a smaller base of support for stability. Foam compresses under load to allow the body to immerse. Surface tension in the foam and its coverings can limit that immersion. This is the result of tension forming as the foam and cover materials attempt to stretch to accept the body. This tension can also change the shape the tissues supporting the bony prominences take under load, thus concentrating forces at the point of greatest immersion, usually the area around the Ischial Tuberosities.
[kapee_heading title_tag=”h5″ title_align=”left” title=”PRE-CONTOURING”]
Polyurethane foam is made by the formation of a gas at the same time as the urethane polymerization is occurring; resulting in cells with elastic walls. As a result, the foam acts like a spring; it compresses under load and rebounds when the load is removed. There is a reaction force “pushing back” in any compressed area. The greater the compression the greater the reaction force. In a flat foam cushion the area of greatest immersion is the area of greatest compression and therefore it has the greatest reaction force. Unfortunately, this is most likely to occur around the tissue supporting the Ischial Tuberosities; the area where we are trying to reduce pressure. One way to reduce this reaction force is to Pre-contour the cushion to match the shape of the buttocks by removing foam.
[kapee_heading title_tag=”h5″ title_align=”left” title=”ANTHROPOMETRICS”]
While Pre-Contouring is a very effective design technique, it can be difficult to execute because humans vary in size and shape, as well as the quality and amount of tissue surrounding the bones we sit on. Cushion widths relate directly to the overall width of the individual and their wheelchair. A paraplegic individual may have very little tissue outside of their trochanters. So, their overall width may closely relate to their bi-trochanteric width. Conversely, another person may have considerable redundant tissue lateral to their trochanters and therefore have a much smaller bi-trochanteric width relative to their overall width. Since loading of the trochanters improves stability by widening the base of support and reduces the load the tissue that supports the Ischial Tuberosities must bear, designers must understand the anthropometry of the pelvis to design an effective cushion.
[kapee_heading title_tag=”h5″ title_align=”left” title=”PRE-CONTOURING”]
Polyurethane foam is made by the formation of a gas at the same time as the urethane polymerization is occurring; resulting in cells with elastic walls. As a result, the foam acts like a spring; it compresses under load and rebounds when the load is removed. There is a reaction force “pushing back” in any compressed area. The greater the compression the greater the reaction force. In a flat foam cushion the area of greatest immersion is the area of greatest compression and therefore it has the greatest reaction force. Unfortunately, this is most likely to occur around the tissue supporting the Ischial Tuberosities; the area where we are trying to reduce pressure. One way to reduce this reaction force is to Pre-contour the cushion to match the shape of the buttocks by removing foam.
[kapee_heading title_tag=”h5″ title_align=”left” title=”PRE-CONTOURED SHAPE”]
It is important for all cushions (from General Use on up) to have a properly designed pre-contoured shape. Thats why we cooperated with Georgia Tech to study anthropometrics. The result-a design with the best possible cushion shapes to fit a wide range of sizes and needs.
[kapee_heading title_tag=”h5″ title_align=”left” title=”HIGH QUALITY MATERIALS”]
We chose to use high-end materials in our foam and fluid components. You will see the foams have a high IFD and density, and our fluid is light-weight and non-temperature sensitive. Both elements lead to a long-lasting, comfortable and functional product.
[kapee_heading title_tag=”h5″ title_align=”left” title=”SUPERIOR COVER DESIGN”]
wheelchair cushion cover
You will see a consistent look and feel from all of our seating products. The cover has a sleek, minimalist look with a lot of high-end features like zipper pulls with a stow-away pocket, water resistant zippers and high-denier fabrics. Axiom cushion covers are not only highly functional, but are attractive enough to complement any chair, regardless of color.
[kapee_heading title_tag=”h5″ title_align=”left” title=”SURFACE TENSION REDUCTION”]

Designed for easy and precise installation, ease ofadjustment and bold styling, Axiom Back is the newchoice in back support that checks all the boxes. From the innovative DEX hardware, to the one tool adjustments and high-quality materials, Axiom Back eliminates choosing between form or function.

[kapee_heading title_tag=”h5″ title_align=”left” title=”INTUITIVE ATTACHMENT”]

Remove the Axiom Back in a snap! Push the auto-resetting release levers under and simply lift the back to remove. The tall pins and cone-shaped receivers automatically inDEX the back into place. Simply push down and you’ll hear an audible click. Dynamically transit tested to the WC20 standard, you can rest assured the Axiom back provides secure support.

[kapee_heading title_tag=”h5″ title_align=”left” title=”INFINITE ADJUSTABILITY”]
Wheelchair backrest

Axiom Back provides independent height, depth and angle adjustment without the need to move the clamp on the back cane. The indexing feature of the brackets allows for simple symmetrical alignment. DEX hardware makes it possible to adjust the back for the proper fit with the rider in the chair.

[kapee_heading title_tag=”h5″ title_align=”left” title=”PREMIUM CONSTRUCTION”]

Like you have come to expect from the Axiom brand, the Axiom Back was designed with no compromise between durability and comfort. Built with high-quality high resiliency foam and revolutionary Darlexx® fabric. This stretch fabric with an elastic monolithic membrane layer
is breathable yet waterproof, so you can stay comfortable on a hot day and don’t have to worry about getting caught in the rain.

[kapee_heading title_tag=”h5″ title_align=”left” title=”Design”]

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[kapee_heading title_tag=”h5″ title_align=”left” title=”Design 2″]

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[kapee_heading title_tag=”h5″ title_align=”left” title=”Axiom The Science of Seating” sub_title=”Seating” tagline=”The Science of Seating” tagline_color=”#3cbac8″]
Axiom Back features the most adaptable hardware ever. Select an Axiom Back for your wheelchair and our incredibly intuitive inDEXing (DEX) hardware will make installation and adjustment a snap! The mounting clamp of DEX hardware takes up the least amount of space on the back post and works with all back post styles, sizes and tube diameters. It takes the guesswork out of choosing hardware.
Wheelchair backrest

Additional Information

Transport Weight *

7.94 kg * Spark weight calculated based upon: 12”x12” Frame with Stroller Handle Back Posts, and 5” Poly Casters. Armrests, Footrest and Rear Wheels removed.

Seat Width

25 – 41 cm

Seat Depth

31 – 46 cm

Front Seat Height

33 – 53 cm

Rear Seat Height

28 – 47 cm

Camber

0°, 2°, 4°

Weight Capacity

76.20 kg

Top Frame Tubing Size

2.54 cm

Bottom Frame Tubing Size

2.86 cm

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