Static Alignment; Optimising The Heel Characteristics; Checking The Stiffness Of The Functional Ring - Ottobock 1C51 Taleo Vertical Shock Instrucciones De Uso

Connect the prosthetic foot and prosthetic socket using the selected adapters. Follow
the adapter instructions for use.
Sagittal alignment:
Determine the centre of the prosthetic socket with the 50:50 gauge. Align the pros­
thetic socket centrally to the alignment reference line.
Socket flexion: individual residual limb flexion + 5°
Observe the abduction or adduction position.
TF bench alignment
► Observe the information in the prosthetic knee joint instructions for use.

5.2.3 Static Alignment

• Ottobock recommends checking the alignment of the prosthesis using the L.A.S.A.R. Posture
and adapting it as needed.
If necessary, the alignment recommendations (TF modular leg prostheses: 646F219*, TT
•
modular leg prostheses: 646F336*) may be requested from Ottobock.
5.2.4 Installing the socket connector (Harmony only)
1) Install the 2R117 socket connector according to the corresponding instructions for use.
2) Shorten the hose of the socket connector to the optimal length and connect it to the vacuum
pump (see fig. 7, see fig. 8).
5.2.5 Dynamic Trial Fitting
• Adapt the alignment of the prosthesis in the frontal plane and the sagittal plane (e.g. by mak­
ing angle or slide adjustments) to ensure an optimum gait pattern.
TT fittings: Make sure that physiological knee movement in the sagittal and frontal plane is
•
achieved when the leg begins to bear weight after the heel strike. Avoid medial movement of
the knee joint. If the knee joint moves in the medial direction in the first half of the stance
phase, move the prosthetic foot in the medial direction. If the medial movement occurs in the
second half of the stance phase, reduce the exterior rotation of the prosthetic foot.
• Remove the adapter cover from the prosthetic foot after completion of the dynamic trial fitting
and gait training exercises.

5.2.5.1 Optimising the heel characteristics

The behaviour of the prosthetic foot at heel strike and during heel contact in the mid-stance phase
can be adapted by replacing the heel wedge. The prosthetic foot is delivered with 3 heel wedges.
Hardness of the heel wedges: The heel wedges are colour-coded: (transparent=soft,
grey=medium, black=hard). Ottobock recommends starting with the grey heel wedge.
1) Pull the prosthetic foot apart slightly and remove the existing heel wedge.
2) Align the other heel wedge so the Ottobock lettering is the right way up and the tip points to
anterior.
3) Insert the heel wedge into the prosthetic foot (see fig. 2).

5.2.5.2 Checking the stiffness of the functional ring

The stiffness of the functional ring influences the level of comfort while walking. With the Harmony
vacuum pump, the functional ring also determines the efficiency of vacuum generation. The stiff­
ness is specified on the functional ring (the higher the number, the greater the stiffness).
Functional ring while walking
Soft damping for the user. The functional ring is not
compressed to the stop.
User hits the stop during damping. The functional
ring is fully compressed.
22
Bench alignment process
Cause
The functional ring has
the appropriate stiffness
Functional ring too soft
Correction/solution
–
Install a harder functional
ring (see Page 26)