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User manual

Introduction  Usage  Technical data  Mounting  Purpose  Summary

How the Pivot Can Help People With Specific Disabilities:

In addition to helping pushrim users with painful and overstressed joints, muscles and tendons in the arms and shoulders, the Pivot can also provide a solution for people who suffer from muscle diseases, and in particular degenerative diseases like MS and Parkinson’s disease.

The Pivot will allow people with CV Syndrome, Polio Myelitis, Poly Neuropathy, Plexus Leasis, and Spina Bifida to benefit from manual wheelchair use even when pushrim chair use has become impossible because of pain or reduced power. Utilizing the Pivot can either – depending on the disabilities of the user – help regenerate motor and cerebral functions or slow down their degeneration. At the same time it activates the respiratory, the cardio-vascular and the limbic systems. The Pivot can also enable Softenon patients to use a manual wheelchair, and can provide a solution for people with Decubitus problems who have been advised to use a manual wheelchair instead of an electric wheelchair.

Academic research has demonstrated the advantages of lever propulsion over pushrim propulsion. A lever transforms 15% of the used muscle power into movement, whereas the pushrim has an efficiency of only 8 to 10%. Engaging the pushrim requires the joints of the arm and shoulder to be placed in an awkward position and propulsion depends on the activation of smaller muscle groups. This leads to a temporary oxygen shortage in the muscles, which can cause numbness and fatigue. In addition, many users experience pain and premature joint wear. In contrast, engaging a lever drive leads to more balanced muscle use by allowing a better distribution of force on different – and in particular large – muscle groups. The coupling of the hand to the drive system is also easier, and a results in an improved transfer of force. Because of the more natural arm movement and the participation of large muscle groups, a pushrim wheelchair user that switches to a lever drive can expect to substantially increase his/her mobility and range.

Pushrim users with troubled joints, tendons and muscles, should consider the Pivot as a potential low-cost therapeutic solution. Power assisted chairs like the E-motion are expensive and don’t address the root cause of most user problems: the unnatural arm and shoulder motion required to propel the pushrim chair.

The Pivot can also help prevent hand and finger injuries. The hands and fingers of the pushrim user are exposed to the cold, moisture, dirt and bacteria, and the direct impact of objects like door frames. Because the levers of the Pivot are located between the rear wheels and the chair, the user will not come in contact with the rear wheels – even when braking – and therefore does not risk wedging his/her hands or arms between the rear wheels and door frames etc.