Evolution Cushion

Benefits
Decision Guide
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The wheelchair cushion of choice for those with a high risk of tissue breakdown and symmetrical positioning needs.

Therapists recommend the Evolution™ for individuals with motor and neurological dysfunction due to spinal cord injury, stroke, multiple sclerosis, cerebral palsy, and traumatic brain injury. Therapists value the Evolution’s outstanding pressure distribution and postural support. Users and caregivers value its low weight, comfort, and ease of use. No pumps or accessories are needed to inflate or deflate the cushion. No kneading or manipulation is required to maintain the cushion’s properties.

All Evolution cushions are supplied with a ramping wedge that is placed underneath the cushion, reducing the seat to back angle and improving pressure distribution. The Evolution is available with a traditional valve or a Pressure Setting Valve (PSV™) By adding innovative Pressure setting Valve Varilite™ have made the Evolution™ even better, taking the guesswork out of cushion adjustment. Varilite air-foam floatation makes the Evolution™ ultralight, without compromising pressure distribution and support. Superior pressure distribution, positioning stability, comfort and simplicity have made the Evolution™ Varilite’s most popular wheelchair cushion.

To order, Call +44 (0) 1179 666 761 or email info@bescorporate.net

Fill out the Quote/Order Form and send it to us on info@bescorporate.net

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Benefits

Tissue Integrity

Evolution Tissue Integrity

Posture

Evolution Posture

Functionality

Evolution Functionality

About The Evolution

Features

1. Air-Foam Floatation

The functional areas of the cushion are created by three types of foam; soft foam under the decubitus-sensitive area of the ITs; medium foam for the thigh trough, pelvic bucketing and pre-ischial bar; and firm foam to provide support through the perimeter and medial thigh separator.

2. Positioning Supports

Positioning supports improve stability, which is important for users with compromised sitting balance or who transfer frequently. Multi-stiffness foam provides support as the user is immersed in the cushion. Medial and lateral supports minimise internal and external lower extremity rotation. Pelvic bucketing and a pre-ischial ridge help maintain pelvic position, and thigh troughs promote a natural femoral position.

3. Valve for Adjusting Air Volume

The Evolution PSV uses Varilite’s patented Pressure Setting Valve. The Evolution is also available with a traditional two-way Varilite valve.

4. Cover

The Evolution comes complete with either a mesh or water resistant cover made from a breathable two-way stretch fabric. Reticulated foam inside promotes air exchange and improves pressure redistribution. The Evolution cover is machine washable, tumble dryable and meets ISO 7176-16 ignition resistance standards for upholstered wheelchair components.

5. Wedge

A modifiable closed-cell foam wedge is available with each Evolution, to assist pressure redistribution from the sensitive ITs onto the thighs.

Decision Guide

Wave Bases for the Evolution Cushion

Varilite offer a family of contoured bases for positioning support. Clinicians can combine the Evolution adjustable Air-Foam Floatation skin protection cushions with a solid ‘enhanced positioning’ base.

There are three different wave designs available:

• CPW (Contoured Positioning Wedge)

• LPB (Lateral Positioning Base)

• CPB (Contoured Positioning Base)

These bases enhance the Evolution’s natural positioning benefits in the sagittal (anterior - posterior) plane and provide further lateral and medial positioning support for both the pelvis and the legs, at the same time permitting greater envelopment of soft tissues, and thereby providing wider pressure redistribution away from the bony prominences, such as the ischial tuberosities (ITs). Increased gluteal off-loading of forces on the ITs is a further benefit.

Wave Base Options

CPW (Contoured Positioning Wedge)

Lateral thigh support to control thigh abduction
Medial thigh support to control thigh adduction

The Evolution Wave CPW provides exceptional positioning of the lower extremities for enhanced sitting posture.

Lateral Thigh supports position the lower extremities and control abduction of the thighs. Medial thigh support provides the correct amount of abduction and controls the adduction of the thighs. The Wave CPW increases the weight-bearing load on the lower surface of the thighs and decreases the load on the buttocks, without changing the seat-to-back angle. The closed-cell foam will not absorb fluid and is resistant to bacteria.

LPB (Lateral Positioning Base)

Posterior gluteal support to offload pressure from ischials
Lateral pelvic support
Lateral thigh support controls thigh abduction
Solid base of support for postural stability

The Evolution Wave LPB provides a solid base of support and a high degree of pelvic and lower extremity lateral and medial positioning.

Posterior pelvic supports help to keep the pelvis positioned in the anteriorposterior line and transfer pressure from the ischial tuberosities to the gluteal tissues. Lateral pelvic supports, located under the trochanters, provide lateral stability that maintains the pelvis in the centre of the seat. Lateral thigh supports position the lower extremities and control abduction of the lower thighs. The Wave LPB provides a firm foundation for postural stability and discourages sling upholstery from bowing. The closed-cell foam will not absorb fluid and is resistant to bacteria.

CPB (Contoured Positioning Base)

Posterior gluteal support to offload pressure from ischials
Lateral pelvic support
Lateral thigh support controls thigh abduction
Medial thigh support controls thigh adduction
Solid base of support for postural stability

The Evolution Wave CPB provides a solid base of support and a high degree of pelvic and lower extremity lateral and medial positioning.

Posterior pelvic support helps to keep the pelvis positioned in the anteriorposterior line and transfers pressure from the ischial tuberosities to gluteal tissues. Lateral pelvic supports, located under the trochanters, provide lateral stability that maintains the pelvis in the centre of the seat. Lateral thigh supports position the lower extremities and control abduction of the thighs. Medial thigh support provides the correct amount of abduction of the thighs. The Wave CPB provides a firm foundation for postural stability and discourages sling upholstery from bowing. The closed-cell foam will not absorb fluid and is resistant to bacteria.