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+ = anterior placement / – = posterior placement (in relation to the load line)
Item
see fig. 10
Optimise the static alignment solely by changing the plantar flexion. Adjustment is performed only
with the anterior and posterior set screws of the tube adapter on the prosthetic foot.
a–p positioning of the alignment reference point
load line
-35 mm
m–l positioning, middle of the prosthetic foot to the frontal load line
0 to 20 mm medial
m–l positioning, centre of the prosthetic knee joint to the frontal load line
0 to 20 mm medial
m–l positioning of the prosthetic socket:
Positioning of the anterior superior iliac spine (Spina iliaca anterior superior)
line
:
0 to 20 mm lateral
5.5 Dynamic Trial Fitting
CAUTION
Adjusting the Settings
Fall due to incorrect or unfamiliar settings
Only adapt the settings to the patient gradually.
►
Explain the effects of the adjustments on the use of the prosthesis to the patient.
►
During dynamic trial fitting, the alignment and settings of the prosthesis are checked and adapted
for optimum walking according to the needs and abilities of the patient.
The patient has to learn the safe use of the prosthesis through intensive training.
The following subsections describe the adjustment possibilities for adapting the product to the
patient.
The list below provides an overview of the sequence for working through the subsections:
•
Checking the Factory Settings
•
Setting Flexion Damping
•
Setting Extension Damping
5.5.1 Checking the Factory Settings
Function
Flexion damping
Extension damping
>
Tools required:
710H10=2x3 Adjustment Wrench
1) Check whether the settings match the factory settings (see table).
2) In case of deviations, restore the factory settings using the adjustment wrench.
Static alignment process
:
Means of adjustment
Adjustment valve "F"
(see fig. 4 -
)
Adjustment valve "E"
(see fig. 4 -
)
(upper, anterior rotation axis) to the sagittal
Factory setting
From the left-hand stop,
turned to the right (num
ber of turns: 2.5)
Turned all the way to the
left
:
:
to the frontal load
Meaning
Valve slightly closed –
low damping as the start
ing point for adjustment
to the patient
Valve fully open – minimal
damping as the starting
point for adaptation to the
patient (safety setting)
15
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