Adjusting The Torsion Moment On The 2R21 Axon Tube Adapter; Bench Alignment In Alignment Apparatus; Static Alignment Optimisation; Dynamic Alignment Optimisation - Otto Bock Genium Instructions For Use Manual

Preparation for use
INFORMATION
If the knee head is fully flexed while the joint is standing upright, the joint switches to sitting or energy-saving
mode after about 2 seconds. Then the tube adapter can be disconnected without triggering an error message.
Ensure that there is no active Bluetooth connection.
This function can be used for storage, shipping or to replace tube adapters.

7.1.4 Adjusting the torsion moment on the 2R21 AXON tube adapter

CAUTION
Incorrect setting of the torsion moment in the torsion unit
Falling due to unexpected behaviour of the product.
► The marking on the Allen head screw may not be turned as far as the red area or beyond the red area.
The torsion moment can be adjusted with the Allen head screw in the centre of the adapter.
Increasing the torsion moment:
► Turn the mark in the centre of the torsion unit clockwise.
Decreasing the torsion moment:
► Turn the mark in the centre of the torsion unit counterclockwise.

7.1.5 Bench alignment in alignment apparatus

With correct bench alignment, e.g. in the PROS.A. assembly alignment apparatus (743A200), the benefits of the
product are realised to best advantage. If the L.A.S.A.R. assembly alignment apparatus (743L200) is available, it
can be used as well.
Alignment can also be carried out using LaserLine/plumb line.
A calibrated alignment recommendation for prosthesis bench alignment is provided in the adjustment software for
the individual conditions of the prosthesis and patient. Therefore, consult the adjustment software for the alignment
data.
The following points must be observed during alignment:
Static alignment in the alignment apparatus must always be carried out without shoes, otherwise a correct
•
adjustment will not be possible.
• Static alignment with the LaserLine/plumb line must be carried out with shoes, otherwise a correct adjust­
ment will not be possible.
• Ensure the knee joint is in full extension during bench alignment. To do so, briefly push the socket once into the
fully extended position.

7.1.6 Static alignment optimisation

The adjustment software specifies concrete reference values based on measurement data to help optimise the
alignment.
A precondition is that the alignment recommendations were followed during bench alignment of the prosthesis.
The goal of optimised alignment is that the user must compensate as little as possible with their residual limb.
Optimised alignment of the prosthesis components can reduce the effort required from the patient.
INFORMATION
During static alignment optimisation, the knee joint is automatically locked in the flexion direction. This should
enable the patient to stand in a stable stance that is unaffected by the alignment. Patients can only walk with the
prosthetic leg fully extended in this situation!

7.1.7 Dynamic alignment optimisation

After adjusting the product with the adjustment software, perform dynamic optimisation during trial walking. Often,
the following aspects have to be observed and adapted, if necessary:
• Socket flexion position by verifying step length symmetry (sagittal plane)
• Adduction position of the socket and M-L positioning of the socket adapter (frontal plane)
• Rotation position of the knee joint axis and outward rotation of the prosthetic foot (transversal plane)

7.1.8 Checking the socket after bench alignment

After bench alignment, verify that at maximum extension and maximum flexion the distance from the socket to the
knee joint is not less than the minimum. A collision of the socket with the hydraulics or frame can cause damage to
the knee joint.
76 Genium 3B1-3/3B1-3=ST