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3.2 Socket alignment
For your orientation, mark the socket with a dot on the lateral side proximally;
and distally in the centre.
The connecting line must meet in the area of the socket entrance level with
the load line. The basic adjustment of socket flexion is typically 3° – 5°, but
the individual situation needs to be considered, such as for example a hip
contracture.
When connecting the socket to the knee joint, it is important to make sure
that the knee external position of approx. 5° is observed and the foot external
position is aligned.
Attention!
If the stump flexion is not taken into account, the joint rotation
point could be too far anterior. This may lead to dysfunction and
even to loss of stance stability.
Fine adjustments should be performed later in the dynamic fitting process.
3.3 Limitation of flexion
The product allows knee flexion of 136°. However, this flexion angle is only
achieved with correct socket- / prosthesis construction.
Clamps of lamination anchors must be positioned at the socket medially or
laterally, as per instruction manual. If the clamp is placed posterior, the flexion
angle of the joint possibly cannot be fully used or the joint may become
damaged.
Attention!
The product features an integrated flexion limit. Please make sure
that the socket construction is never used as flexion limit. This
may result into damage and / or failure of the entire prosthesis.
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