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9.
Mounting the Lever Extension
The lever extension is used for an easy unlocking of the system knee joint. Please note that the NEURO LOCK
system joint can only be mounted bilaterally.
Unilateral Construction
1 Adapt the lever extension to the shape of the orthosis and shorten it, if necessary.
2 Apply LOCTITE® 638 high strength to the shoulder of the lever extension and
connect it with the locking pawl (fig. 30).
Bilateral Construction
1 Adapt the lever extensions to the shape of the orthosis.
2 Connect the lever extensions at a distance of approx. 1mm by means of the con-
necting tube for lever extension (fig. 31).
3 Apply LOCTITE® 638 high strength to the shoulders of the lever extensions and
connect them with the locking pawls (fig. 30).
The adhesion is sturdy after approx. 1 hour. It has completely hardened after approx.
24 hours (at room temperature).
10. Converting the System Knee Joints
10.1 Converting Options
The following table shows the converting options for the system knee joints.
System Knee Joint
NEURO FLEX MAX lock function
NEURO FLEX MAX step lock function
10.2 Conversion
1 Exchange the locking pawl for the step lock pawl (fig. 32).
2 Exchange the flexion stop disc for the step lock stop disc (fig. 33).
3 Assemble the system joint (see paragraph 8).
In order to convert the NEURO FLEX MAX system knee joint with step
lock function into the NEURO FLEX MAX system knee joint with lock
function, exchange the step lock parts for the locking parts. Proceed as
described in the steps 1 to 3.
Check if the locking pawl/step lock pawl fits correctly (see paragraph
8.5). After inserting the step lock pawl and the step lock stop disc,
check if the step lock pawl snaps correctly.
40
Convertible into
NEURO FLEX MAX step lock function
NEURO FLEX MAX lock function
fig. 30
fig. 31
fig. 32
fig. 33
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