Positioning The Prosthetic Socket; Shortening The Tube Adapter; Mounting The Lock Slide And Lock Release Cable; Preventing Damage At Maximum Flexion - Otto Bock 3R120 Instructions For Use Manual

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.
INFORMATION: The overall system height of all prosthetic components corresponds to the sock­
et-floor measurement (see Fig.
► Shorten and deburr the tube adapter.

6.2.11 Mounting the lock slide and lock release cable

► CAUTION! Use the lock slide only as shown in Fig.
the lock release cable.

6.2.12 Preventing damage at maximum flexion

► NOTICE! Perform the steps shown in Fig.
ion.
► Besides the socket design measures shown in the figure, ensure that no metal is touching the
product in the marked support area.
► After utilising the maximum flexion, check the marked support area for damage.
► CAUTION! In case of deformation, damage and cracks, the prosthetic knee joint needs to be
replaced entirely.
46 | Ottobock
2
under the lumbar spine.
1
to flex the contralateral knee joint and hip joint.
23
on page 17).
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
24
on page 18 and mount it together with
25
on page 18 to prevent damage at maximum flex­
4
lies on the alignment ref­
6
examples of
7
for socket adduction, and
8
lies on the alignment
10
examples of