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GENUX 2 KNEE ORTHOSIS
USER
INFORMATION
The GENUX 2 is a knee orthosis for people suffering from instability of the knee, caused by for example arthrosis. The GENUX 2
stabilizes the knee and relieves the affected and often painful side of the knee. With the help of a GENUX 2, the user is encouraged to
use all remaining residual function. An unstable knee can make walking difficult. There is insufficient support in the leg and sometimes
also considerable pain.
WHEN A GENUX 2?
An unstable knee can have many causes. These include the effects of osteoarthritis. The knee then gives way
into an x-position (valgus: knee pointing inwards, lower leg pointing outwards) or in an o-position (varus:
knee pointing outwards, lower leg pointing inwards). The GENUX 2 helps to compensate this. This usually
leads to a quick improvement in stability and reduction of complaints.
The GENUX 2 can also be used in other knee disorders, such as hyperextension (overstretching) of the knee
in early stages.
WHEN NOT TO USE A GENUX 2?
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The GENUX 2 is a knee brace. It can offer stability and some correction for an unstable knee.
However, in severe cases of knee instability quite often the ankle will show misalignment as well.
The GENUX 2 is not designed to stabilize the ankle, so caution is required in cases of severe knee
misalignment.
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The GENUX 2 is designed for cases of mild hyperextension. In cases of severe hyperextension (>
20°) the external loading can increase to very high levels. We advise not to use the GENUX 2 in
those cases, but to choose a
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The maximum body weight for use of the GENUX 2 is 100 kg.
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In cases of knee flexion contractures > 10º the GENUX 2 is not recommended.
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Non-correctable valgus / varus > 10º can lead to considerable increase of the necessary stabilising
forces, since the moments of force in the frontal plane increase with increasing instability angle. If
we are able to correct the leg back to a (semi) neutral alignment we can keep the forces within
tolerable limits, but if correction is not possible, so is limiting the forces.
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Full instability: valgus and varus. The GENUX 2 works one way only in the frontal plane. It stabilises or corrects either a valgus
instability (in which case the brace is used laterally) or a varus instability (in which case the brace is used medially). Therefore it is
not possible to use this brace in cases of instability both ways.
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The GENUX has a circular calf strap around the lower leg. That strap might influence the flow of blood from the lower leg upwards.
Patients with a high risk of thrombosis are advised to consult their physician about that in their case.
TREATMENT IS NECESSARY
A leg which cannot remain sufficiently stable, can lead to insecurity, falling, but also pain. This may hinder your mobility. It is important to start
treatment in order to minimize further damage to the internal structures of the knee and to prevent falling incidents. Always consult your
physician about the best options in your individual case.
User information | +31 (0)53 4302 836 | [email protected] | www.ambroise.nl
GENUX.2023.01
UTX POST
orthosis.
Figure 1: The Genux 2
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