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► Mount the prosthetic knee joint as shown in Fig.
6.2.6 Mounting the proximal adapters
► Mount the proximal adapters as shown in Fig.
6.2.7 Preparing the prosthetic socket for the lock slide
► Prepare the prosthetic socket for mounting the lock slide as shown in Fig.
note the following points:
•
Positioning at the optimum height for the patient's hand
•
Laying the perlon cable in the prosthetic socket, in a straight line from the prosthetic knee
joint to the lock slide
•
Lamination plate secured against rotation in the laminate
•
In and out holes for the perlon cable with sufficient spacing from the prosthetic knee joint and
lock slide for reliable lock function
•
Plastaband as protection for the thread on the lamination plate while laminating
•
Greased perlon cable dummy for making a channel centred in the laminate
6.2.8 Marking the prosthetic socket
► Mark the prosthetic socket as shown in Fig.
6.2.9 Positioning the prosthetic socket
► For positioning the prosthetic socket, note Fig.
low.
Thomas test
► Place the flat hand
► Instruct the recumbent patient
► Bring the residual limb to hip flexion until the hollow back disappears.
► Extend the residual limb slowly by pushing it until the pressure of the spine on the back of
your hand diminishes.
► In this residual limb position, measure angle α of the flexion malposition.
Socket flexion
► Based on angle α, determine the optimum socket flexion β
► Set the socket flexion β so that the lateral socket reference point
erence line.
INFORMATION: If the socket reference point
line with the adapters that are installed, special adapters have to be used (
adapters).
Socket adduction
► Based on the socket length, determine the required angle γ
reconcile this with a possible residual limb malposition.
► Set the socket adduction γ so that the frontal socket reference point
reference line.
INFORMATION: If the socket reference point
line with the adapters that are installed, special adapters have to be used (
adapters).
6.2.10 Shortening the tube adapter
CAUTION
Incorrect processing of tube
Fall due to damage to the tube
Do not clamp the tube into a vice.
►
►
For shortening the tube, use only a tube cutter.
48 | Ottobock
2
4
2
under the lumbar spine.
1
to flex the contralateral knee joint and hip joint.
18
on page 14.
19
on page 14.
1
3
21
on page 15 for positioning.
22
on page 16 and the instructions that fol
3
according to the illustration.
5
cannot be positioned on the alignment reference
9
cannot be positioned on the alignment reference
20
on page 15 and
5
6
4
lies on the alignment ref
6
examples of
7
for socket adduction, and
8
lies on the alignment
10
examples of
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