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Orthosis Construction
Basically any type of construction is suitable as long as sufficient torsion rigidity and a possibility of
changing the flexion position during the initial fitting is taken into account.
When the Joint is used in a Carbon fiber reinforced Construction, the SPL 2 should be disassembled by
removing the Satellite – disconnect the cable within the Function Unit (H) and loosen the IQ set screws
(D), Loosen the adjustment screw and gently pull the cable from the housing . Now the Function Unit
(H) can be pushed inside and removed .
The SPC flexion Control Unit has to be removed (E) and sealed with Stick Wax (Art. nr. 990035) to
prevent improper resin flow. In this case the Upright spacer can be used (Art. nr. 029860) and aligned,
allowing the Joints to be mounted in a later stage .
Joint Alignment
The Alignment Unit has to be parallel to the plumb line . The SPC Joint should not be aligned in full
extension . If the Joint is aligned without using the Unit the Cover Plates (B) may be removed allowing
the Joint axis to be used for parallel alignment .
Dynamic Initial Fitting
Function Check
Prior to the initial fitting the proper setting of the Joint need to be checked
The slotted arm of the Function Unit (H) must be set in neutral 0 position
■
(see picture) when the Satellite is in the 1st mode . Adjust with the
Proximal adjustment screw (F) on the SPL 2 is necessary .
Can the SPL 2 Joint lock after swing with the Satellite in the 1st mode?
■
Adjusting locking and unlocking
Timing settings to lock or unlock can be read or adjusted by moving the
pendulum weight of the Function Unit .
Moving the pendulum ANTERIOR (forward), DECREASES the tendency to
■
lock, because its weight is shifted forward .
Moving the pendulum POSTERIOR (backward), INCREASES the tendency
■
to lock because its weight is shifted backward .
32
Swing Phase Lock 2
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