medi M.4s comfort Mode D'emploi page 6

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instruction from your doctor or orthotist. In
order to prevent hyperextension, always insert
extension wedges or 0° wedges. The wedges
define the exact excursion of the orthosis. In
difficult soft-tissue conditions, e.g. where the
soft-tissues are under compression, it may be
necessary to insert the larger wedge to limit the
joint movement to the desired excursion. In
addition, make sure that the orthosis joints are
correctly positioned: the middles of the joints
should be level with the upper border of the
patella. The joint must lie behind the midline of
the leg.
Shaping the orthosis
When shaping the orthosis, please ensure that
the joints stay parallel. This guarantees that the
orthosis will function well and run easily and
that there is no excessive wear.
Fastening the belt eyes
The belt eyes have been adequately fastened
and are, to some extent, deliberately mobile.
Please do not tighten the screws; they are tight
enough. If you apply too much force, you can
break off the screws.
Fitting instructions
• Open all the straps. Sit on the edge of a chair,
pull the brace up the affected leg and flex your
knee to 45°.
• Position the joints so that the centre of the
joint (extension wedges' height) is positioned
at the level of the top edge of the kneecap and
slightly behind the leg's side central line.
Please make sure that the brace has been
placed on the leg straight and is not twisted.
Fasten Belt No. 1 first and then Belt No. 2.
• Keep your leg bent and check again that you
have put the brace on properly.
• First fasten the lower front calf strap (strap
#1), then the upper back thigh strap (#2). Keep
your knee in a flexed position and push both
joints towards the back of the leg.
• Now fasten the lower back thigh strap (#3).
• Now fasten the upper front calf strap (#4).
Then the upper back calf strap (#5), and finally
the front thigh strap (#6).
• Now move the knee lightly a few times and
check again that your have put the brace on
properly. Make any necessary corrections.
Care instructions
The brace cannot be worn in saltwater. If the
brace is worn in chlorinated water, it should be
rinsed out thoroughly with clean water
afterwards. Soap residues, lotions and
ointments can cause skin irritation and material
wear.
• Wash the product by hand, preferably using
medi clean washing agent.
• Do not bleach.
• Leave to dry naturally.
• Do not iron.
• Do not dry clean.
With normal use, the hinge mechanism should
not require any maintenance, but it can be
lubricated with PTFE spray. Check regularly that
the joint screws are secure, tighten them if
necessary.
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Storage instructions
Keep the brace in a dry place and do not expose
to direct sunlight.
What can I do if the brace slips?
• Check that the brace is fitted properly. The
centre of the brace joints should be level with
the upper border of the kneecap.
• Make sure that the back thigh strap (#5) is
above the belly of the calf muscle
• Take the covers off the knee pads and wear the
pads directly on your skin. Watch for skin
reactions; skin irritation may occur in people
with very sensitive skin.
• Do not wear the brace over clothes.
Material composition
Avional, Velours, Polyester, PU foam
Liability
The manufacturer's liability will become void if