Ottobock 28U24 Walk On Reaction Instrucciones De Uso página 13

4) Have the patient sit on a chair without the shoe and with the orthosis, and position the foot at
a 90° angle to the lower leg.
INFORMATION: Apply the orthosis to the patient so that the ankle joint has sufficient
freedom of movement and does not impact the hard medial spring.
5) Determine the position of the ankle according to the "WalkOn® Reaction" lettering (see
fig. 2).
6) Trim the orthosis sole (see fig. 3) so that the mark on the shoe corresponds to the position on
the orthosis (see fig. 4).
7) Adapt the sole shape according to the removable insole. Note that the required exterior rota­
tion of the foot must be maintained (see fig. 3).
Adapting the orthosis:
1) Insert the orthosis in the shoe and cover it with an insole if required (see fig. 5).
2) Put on the orthosis together with the shoe (see fig. 6).
3) Measure the correct AP position of the knee joint (e.g. on the L.A.S.A.R Posture).
INFORMATION: The load line of the knee joint in the AP position lies approx. 15 mm in
front of the knee compromise pivot point according to Nietert.
4) As needed: Use wedges for compensation in order to achieve the desired position: e.g. com­
pensation on the forefoot (see fig. 10) in case of excessive flexion when the patient is stand­
ing, or compensation on the heel (see fig. 11) in case of excessive extension when the patient
is standing.
INFORMATION: Materials other than those supplied may also be used to build up the
bottom sole if needed.
5) As needed: Sand the top edge and wings of the anterior stop and modify the padding
accordingly.
NOTICE! The functionality of the orthosis must not be impaired. Do not sand in the
area of the medial spring or the surfaces!
6) As needed: If the patient has a foot deformity, correct it with an insole or a custom moulded
device.
INFORMATION: The manufacturer offers lateral pronation traction (28Z10) which
attaches to the lateral sole with hook-and-loop fasteners. Frontal and dorsal traction
stabilise the foot with the help of hook-and-loop fasteners in the area of the spring.
7) Close the textile component at calf height (see fig. 6).
Final inspection:
► Conduct trial walking with the patient. Testing on inclines, ramps and stairs is mandatory.
Fine tune as required.
4.3 Application
NOTICE
Use of a worn or damaged product
Limited effectiveness
► Before each use, check the product for functional reliability and for possible wear or dam­
age.
Do not continue using a product that is no longer functional, or that is worn or damaged.
►
1) Take the insole out of the shoe on the fitting side.
2) Open the calf band.
3) Slide the orthosis into the shoe.
4) Put on the orthosis together with the shoe.
5) Close the calf band.
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