Ottobock 4R111-N Gebrauchsanweisung Seite 15

► Follow the instructions regarding the length of the screws and
about how to secure the screws.
CAUTION
Improper processing of the anchor arms of the lamination
anchor
Risk of injury due to breakage of the anchor arms
► Only bend anchor arms made of steel.
► Avoid excessive or too frequent bending of the anchor arms.
► Use the 711S4* bending irons for bending.
INFORMATION
With waterproof lamination anchors, the scope of delivery includes a
titanium screw for improved corrosion protection.
► After trial fitting the prosthesis, replace the pre-installed steel cap
screw with the titanium cap screw. Install the cap screw with
Loctite®.
5.1 Laminating a Transfemoral Socket
> Required materials: 710D4 torque wrench, cap screw, 711S4*
bending iron, 99B81 PVA bag, 623T3 Perlon stockinette, 616B1
carbon fibre cloth strap, 616G6 Dacron felt, 616G12 carbon fibre
cloth, 616G15 carbon fibre woven hose, 617H119 Orthocryl lam­
ination resin 80:20 PRO
1) If the lamination anchor has a threaded connector: Fully
screw in the screwed insert.
2) Tighten the cap screw of the threaded clamping using the torque
wrench (10 Nm).
3) Pull a soaked PVA bag over the model.
4) Apply one layer of Dacron felt and thin out the fibres along the
edge.
5) Pull two layers of Perlon stockinette over the model.
6) Place three layers of carbon fibre cloth (e.g. 15 cm x 15 cm) with
offset fibre alignment on the distal end of the model.
7) Pull two layers of Perlon stockinette over the model.
8) Pull a soaked PVA bag over the model.
9) Complete the lamination process with Orthocryl.
10) Once the lamination resin has cured, remove the PVA bag.
11) INFORMATION: Align an anchor arm that has been angled at
the factory in the posterior direction.
Bring the lamination anchor arms to the correct a-p and m-l posi­
tion. Never align the threaded clamping in the anterior or posteri­
or direction.
12) Place the lamination anchor at the socket end as required for
proper alignment and set.
13) Optional: Adapt the anchor arms of the lamination anchor to the
model with a bending iron.
14) Apply the lamination dummy according to the instructions in the
section "Installing the lamination dummy" (see Page 16).
15) Stabilise and fix the lamination anchor with a sealing resin/talcum
powder mixture.
16) Pull one layer of Perlon stockinette over the model.
17) Place two layers of carbon fibre cloth (e.g. 15 cm x 15 cm) offset
over the lamination anchor arms.
18) Pull one layer of Perlon stockinette over the model.
19) Pull two layers of carbon fibre stockinette over the model.
20) Pull two layers of Perlon stockinette over the model and tie off
below the cap screw of the lamination anchor.
21) Pull a soaked PVA bag over the model.
22) Complete the lamination process with Orthocryl lamination resin.
23) After the lamination resin has cured, remove the lamination
dummy.
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