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The Varilite Meridian wheelchair cushion features a dual chamber to form an integral pre-ischial ridge and wedge effect for enhanced comfort, support, and pressure redistribution.

The Varilite Meridian weighs less than 1kg, requires no kneading, pumping, or manipulation, and delivers skin protection and postural support. Combine with a Varilite Wave base (see Evolution & Meridian Wave for details) for more lateral and medial support. 

The cushion is available with a mesh or water-resistant cover with breathable two-way strech material. The reticulated foam inside the cover promotes air exchange and improves pressure redistribution. 

For more information or a for a quote contact HIA at sales@hiaus.net.au

Order Codes

About The Meridian

Features

Meridian Features

 

1. Air-Foam Floatation

The functional areas of the cushion are created by three types of foam; soft foam under the pressure risk area of the ITs; medium foam for the thigh trough, pelvic bucketing and pre-ischial ridge; and firm foam to provide lateral support and a medial thigh separator.

 

2. Dual Chambers

The dual-chamber design of the Meridian allows for independent positioning of the thighs and pelvis. Adjustments are quick and easy, and can be performed with the client seated. The front and back air chambers of the Meridian limit sacral sitting and promote good posture. The pre-ischial shelf created by the dual-chambers stops the Its from sliding forward, thus limiting a posterior pelvic tilt and sacral sitting. The squeeze created by the separate air chambers provides postural support by ‘holding’ the client in place.

 

3. Valves for Adjusting Air Volume

Easy to use, two-way air valves allow simple and efficient adjustment. Once the client is seated on the fully inflated cushion, the right valve can be released allowing air to escape from the pelvic chamber. Once proper immersion of the pelvis has been achieved the user releases air from the front/thigh chamber by opening the left valve. Once optimum load on the thighs has been achieved the valve is closed.

 

4. Cover

The Meridian is available with a mesh or water restrant cover with breathable two-way stretch material. Reticulated foam inside promotes air exchange and improves pressure distribution. The underside is a rugged nonslip material with hook and loop for added security. The Meridian cover meets ISO 7176-16 ignition standards for upholstered wheelchair components and is machine washable.

Decision Guide

Wave Bases for the Meridian Cushion

Varilite offer a family of contoured bases for positioning support. Clinicians can combine the Meridian 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 Meridian’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)

CPW (Contoured Positioning Wedge)

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

The Meridian 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.

CPW Cutaway

CPW (Contoured Positioning Wedge)

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 Meridian 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.

LPB Cutaway

 

CPW (Contoured Positioning Wedge)

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 Meridian 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.

CPB Cutaway

 

Meridian Cushion Order Codes

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Meridian Spare Covers - Order Codes

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Meridian and Meridian PSV Wave Bases

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Spare Covers for Meridian Wave Bases

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Relevant Articles

Other Resources

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