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Les langues disponibles
Construction Hip Abduction Orthosis
Fitting and adjusting the orthosis
Front 2990
Step 1
Lay the child on it's back and position the hips in 90° flexion (Fig� 1) and the legs each in 30º
abduction (Fig� 2)� Measure the distance between both knees (Fig� 3)�
1
2
90˚
Step 2
The width of the metal frame can be adjusted by removing both Phillips head screws at the back of
the orthosis (Fig�4)� Optionally, the Allen key provided with the orthosis can be used on the flange
nuts at the inside of the frame for easier removal of the screws� Set the width of the frame so the
distance between the cuffs match as close as possible the distance measured in step 1 (Fig� 5)�
Reposition the screws in the desired position and tighten them securely into the flange nuts�
4
5
6
Back 2990
3
1
2
3
4
5
6
7
8
9
1 0
11
12
13
14
5
16
17
Step 3
Position the orthosis flat down after opening the Velcro closures of the chest strap and both thigh
cuffs� Lay the child down with it's buttocks on the back part� Shape the cuff around the leg and the
transparent flap (Fig� 6) and close the Velcro� Repeat with the other leg (Fig� 7) and close the chest
strap (Fig� 8)�
6
7
Step 4
The play between the cuff and the popliteal area can be up one finger thickness max� If necessary,
the cuff can be slid slightly forward or backward for fine tuning� Unlock the tab from the lock by
pushing it up (Fig� 9�1) and slide the cuff into the optimum position (Fig� 9�1)� Release the tab until it
clicks and locks again� For correct symmetry of the cuffs the slits are numbered (Fig� 10)�
9
10
1
2
Step 5
By default, the dynamic joint of the orthosis is set in 0º to 90º Flexion and 30º to Oº Abduction
(Fig� 11)� Only when indicated by the physician, the abduction angle can be infinitely adjusted
to 0º� Insert the supplied Allen key into the small opening next to the protractor, at the back of the
joint� Turn it clockwise to reduce the abduction (Fig� 12)� The triangle below the protractor is your
point of reference�
11
12
8
7
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