Fabricating The Prosthetic Socket; Fabricating The Test Socket - Ottobock 3R78 Instrucciones De Uso

Installation on the Prosthetic Knee Joint
Required tools and materials:
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710D4 Torque Wrench, degreasing cleaner (verify material compatibility)
1) Loosen the cap screw by approx. 2 turns (see fig. 9).
2) Clean the contact surfaces of the prosthetic knee joint and tube adapter using a degreasing
cleaning agent.
3) Slightly rotate the tube as you insert it into the prosthetic knee joint to the stop (see fig. 8).
4) Using the torque wrench, tighten the cap screw (10 Nm) (see fig. 9).
Installation on the Prosthetic Foot
Required tools and materials:
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710D4 Torque Wrench, 636K13 Loctite®
1) Position the pyramid receiver of the tube adapter on the pyramid adapter of the prosthetic
foot.
2) For final assembly:
Use Loctite® to secure the set screws of the pyramid receiver.
3) Screw in the set screws.
4) Use the torque wrench to tighten the set screws (10 Nm).
5) Replace any set screws that are protruding or recessed too much with suitable ones (see
selection table).
6) For final assembly:
Use the torque wrench to retighten the set screws (15 Nm).
Reference number
506G3=M8X12-V
506G3=M8X14
506G3=M8X16

5.3.3 Fabricating the prosthetic socket

INFORMATION
The instructions for fabricating the prosthetic socket are intended only for the 3R78=KD Pros­
thetic Knee Joint.

5.3.3.1 Fabricating the Test Socket

Laminating the Prosthetic Socket
Required materials:
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640Z5* Plaster Insulating Cream, 623T3* Perlon Stockinette, 616G13* Woven Fibreglass
Stockinette, 616G12* Carbon Fibre Cloth, 617H19* Orthocryl Lamination Resin, 617H17*
Orthocryl soft, 4G70 Lamination Anchor
1) Apply plaster insulating cream to the plaster positive.
2) Cut a piece of Perlon stockinette to twice the length of the plaster positive and pull on one
half.
3) Twist the Perlon stockinette on the distal end and pull on the other half.
4) Cut a piece of woven fibreglass stockinette to the corresponding length and pull on the length
equal to two-thirds of the prosthetic socket.
5) Tie off the woven fibreglass stockinette on the distal end and pull on the length equal to half
the prosthetic socket.
Selection table for set screws
Length (mm)
12
14
16
25