selecting the best wheelchair cushion - free article ...

by:DGT Lighting     2019-12-17
While your wheelchair and mat are purchased separately, the chair you choose will be significantly affected by the type of cushion you will be using.Chairs and mats are a team that interacts with each other.The proper combination of the chair and cushion will enable you to sit down in a neutral and stable posture and operate the chair safely.
The mat is available in various depths and sizes and needs to be accommodated according to the size of the wheelchair frame.The actual length of the footrest, the height of the back of the chair, the position of the handrails and other features are all affected by the height or height you sit on the mat.Obviously, before you finally decide which chair is best, you need to decide which cushion is best for you, and of course, before you specify the exact size of the chair.
As designers and engineers continue to pursue the ideal cushion, the development of the wheelchair cushion is quite active.Many manufacturers, such as Jay and Roho, exist only for the design and production of wheelchair seats and support systems.Most major wheelchair manufacturers including Everest and Jennings, inwaka/Pino and Otto Bock Reha also offer a variety of mats.
Cushion design is by no means a simple topic, and there are a lot of options when you decide to suit your topic.This chapter discusses four basic types of mats-Foam, gel, air float and polyurethane honeycomb--And design and systems for more professional needs.

What kind of cushion you choose depends on a variety of factors, including how much time you spent in the chair, how much time you walked around the chair, and how stable your posture is.
An important task of the wheelchair cushion is the prevention of pressure sore.Because, when we are sitting, only 1 out of 3 of the body surface supports all the weight, so the blood flow is limited.In the case of muscle atrophy-In particular, many people with spinal cord injuries have experienced this.-The loss of muscles further limits blood circulation, which used to be a natural cushion.Another risk of sitting on the mat is shear force because we tend to slide forward on the mat, causing stress on the surface of the skin.The resulting pressure sore (pressure sore) can be very serious, resulting in hospital stay, surgery and--though rare--even death.The right mat is the main tool to keep your skin healthy.
Another key task of the mat is posture stability.Even if you can walk or a amputee with enough buildingsIn the buff, the right mat helps to support your spine.If you already have some asymmetry in your body, you need to be supported in a way that doesn\'t increase any spinal deformity.For manual chair users, the greater stability of the chair also means that you can push the wheels with more confidence and strength.
It can\'t be repeated often--posture is key.
The wrong seating system can lead to poor posture, resulting in physical problems, resulting in sedentary, resulting in negative emotions and personal experiences.This is a series of dangerous events.

Foam technology has made great progress.It\'s no longer just the soft, airy stuff of the past, the foam now has varying degrees of density and \"memory\", keeping it in shape while you\'re sitting, contributing to your stability.The new foam can be adapted to any shape, and can still provide even support to disperse the pressure on the sitting surface.Different bubbles are often used in combination because they are layered with various features of softness, even support and memory.
Foam is relatively cheap and easy to cut.Therapists can try shapes without financial risk.If you have an area where the skin is damaged or on the edge, the pressure is easily reduced by cutting off a part of the mat.(You should not do this yourself, though, because only a doctor or therapist can identify changes on your mat, which will help relieve stress while maintaining proper support.
On the other hand, the foam wears out faster than other materials and loses the shape, but due to the low price, this may not be related to you.If you choose the foam pad, be sure to replace it when the time is up.The compressed old foam can form a pressure point, resulting in pain.
If you choose a gel or air float pad for daily use, it is better to have a spare foam pad because the gel and air float pad will leak.

In fact, the gel pad design tries to replace the consistency and support of the shrinking muscle tissue.The highly engineered gel fluid is placed in the bag and is usually attached to the foam base so that the mat fits the pressure placed on it.Therefore, the gel pad provides excellent pressure distribution and is very comfortable.Many gel products also provide complementary inserts to stabilize your legs.Your knees may fall together (close in) or separate (Outreach), so such accessories can help you keep your legs straight, which also helps your overall posture.
Unfortunately, the gel mat is much heavier than other types, which may offset some of the benefits of your lightweight wheelchair.Gel suppliers such as Jay and Flofit offer lighter, active-Use designs, but they may not work for you if you can\'t take your own pressurerelief lifts.
If you bounce up and down, or often encounter similar impacts on a chair, the gel pad may not be ideal.When you sit on the gel pad, there is no further \"comfort\" to absorb the shock, the concept is called impact load.Other types of cushions can absorb impact better.
Another drawback of gel mats is that they have the potential to \"touch the bottom --When the gel is pushed aside by your weight.You can prevent this distribution problem by kneading the gel pad once a day, keeping the liquid loose and evenly distributed.Look for a design that divides the gel part into several parts so that all the gel cannot be pushed to the side.
The possibility of gel leakage is also great.When the mat arrives with a patch kit, the patch is invalid when the crack is at the seam, which is usually the case.The leak can be small or it can be an extremely confusing thing.

The air floating pad supports the body entirely by air.A typical example is the Roho mat, which is designed by a small, interconnected set of rubber balloons arranged together.The air is transferred to the surrounding balloon, distributing the pressure evenly on the skin, thus balancing the pressure.The whole system is closed, so the air float pad cannot be at the bottom like the gel pad.
If you have pressure sore, you can tie a separate balloon to reduce contact under the area and allow you to spend more time sitting when the pain is healed.Roho Quadtro allows users to inflate four quadrants individually for optimal positioning.The air cushion is relatively light and waterproof, and can work both in the bathtub or on board.
Roho cushion maker Crown Therapeutics also offers air-floating products for wheelchair backrest, complementary waist or waist support, full mattress, and even standard toilet seat products.All are inflated to suit your needs.
Long-standing ads in disability magazine are \"goodbye\"Goodbye, de Kubi.It is inflatable with many different sizes and shapes and is made of heavy duty rubber-Although different from Roho balloon design-The unique formation is to minimize the pressure of the bone bumps that we sit on.
For those sitting in a chair and walking around, the air cushion may not be very stable, but the recent design offers a low-key or quadrant option that minimizes the problem.Of course, the balloons used in the air cushion can be punctured and leakage does occur, despite the use of fairly heavy rubber.But it\'s easier to patch them than gel design.The hard part is to dip the mat under water to find a leak (looking for an escape bubble ).
The biggest drawback of the air cushion is the need for more maintenance.It is necessary to check the pressure frequently, especially if you have pressure sore.

Thermoplastic polyurethane honeycomb seat cushion is the latest development in the field of seat cushion.Because there are a lot of separate cells.-like a beehive--These pads are able to distribute weight evenly, but there is no risk of a gel leak or a puncture of the airbag.Many open spaces in the cushion honeycomb structure allow air to spread more efficiently.This design helps prevent skin from breaking as your skin stays cool and prevents moisture collection.
The polyurethane honeycomb mat is very light and absorbs impact. The low-key cushion can provide important support.These mats can even be thrown into your washing machine and dryer, which makes them attractive to people with incontinence problems, despite the best efforts in bowel and bladder management, the mats will be thrown from time to time
Supracor, San Jose, California, produced several honeycomb mats under their patents.One type uses multiple layers of different stiffness to sink your scions onto the mat, while the deep layer provides overall support and weight distribution.Another profile is the rear disc that provides in-receipt and outreach, as well as pelvic positioning.Polyurethane honeycomb mats do not have much record due to their recent development, but the prospects for the development of such mats seem to be good and are widely used.

The most new area that buffer design is exploring is the use of air pumps to generate alternating pressure, which is of particular interest to those with more severe disabilities who are unable to carry out their own weight transfer to relieve stress.
Sitting for a long time without decompression can cause muscle and fat tissue separation, making delicate skin layers more closely in contact with bones.This puts more pressure on the skin.Lack of air circulation increases the temperature between you and the mat.Water accumulates on the skin.All of this further increases the risk of pain.
An alternative Pressure solution is the ErgoDynamic seat system from ErgoAir, New Hampshire.The system pumps air into and out of alternating parts of the mat.This product provides a contour for pelvic stability with pre-ischial cross-Bar design to prevent front sliding--Therefore, shear-on the cushion.Special vents allow the flow of air and moisture.In a five-Minute circulation, the compartment expands and deflates in order to alternately move the support between the ischibone and the hip.Both areas have regular full decompression.The manufacturer compares it to a massage while you\'re sitting, which promotes blood flow.The manufacturer suggests that in some cases, pressure sore can even be cured when you are sitting.This buffer system can be plugged into some electric chair batteries or charged in a cigarette lighter in your car.
Of course, products with alternating pressure are heavier.-Considering the use of batteries and air pumps-Moreover, it is easy to puncture like a floating cushion.However, with the development of new materials and batteries, the technology of these innovative systems may be further developed in the future.

Advanced needs, such as spinal flexion or body asymmetry, require more complex trunk support.For example, the Pindot system Invacare recently acquired and obtained from suppliers across the country is a support system that can customize seats and cushions according to your exact shape.First of all, a special chair will leave a mark on the shape of your body.Therapists can view computer images of shapes and can customize the outline of the mat.According to your imprint and the specifications of the therapist, a foam pad is specially designed to provide you with the best support.The Pindot system is the most valuable for those who don\'t walk around the chair.Because the mat is formed according to your shape, you will only feel comfortable if you are sitting in the right relationship with the custom profile.
Your needs may require the service of a rehabilitation engineer who has a custom designed seating system.The rehabilitation engineer may adjust the existing product or build something for you from scratch.Your therapist or dealer should know these people in your area.They often work in big hospitals or universities.The VA is also involved in research and engineering to address the needs of custom positioning systems.

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