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•
This can be done using a specifically designed socket attachment plate for vacuum assisted suspension.
•
A hole can be drilled and tapped into the distal end of the socket to accept a 90-degree barbed fitting. The barbed fitting
provided with the kit is a 10-32 UNF thread.
•
A hole can be drilled and tapped to accept an expulsion valve designed to be used with vacuum assisted systems.
•
All 3 systems should be checked for leaks when completed.
To connect the vacuum system to the socket:
•
Locate the vacuum hose coming out of the foot shell and sock. The hose should come connected to the inline filter, which
is connected to a bent 90 degree tube, which is connected to the straight barb of the Valve Body Assembly.
•
Route the vacuum hose to the medial side of the pylon or wrap the tubing around the pylon (to prevent damage to the
tube or snagging while walking).
•
Secure the tubing to the pylon using the included hose retainer or appropriate tape.
•
Cut the tubing to desired length and connect to the barbed connection on the socket.
10.
ADJUSTMENTS
The heel stiffness at foot loading can be adjusted using the stiffening bumpers. The bumpers may be temporarily attached using
the pre-applied adhesive in the location indicated in the table below. The recommended location will stiffen the heel of about 1
category. If necessary, move the bumpers anteriorly (stiffer) or posteriorly (softer) to get the desired stiffness. For permanent
placement, clean off the pre-applied adhesive with acetone and adhere bumpers using cyanoacrylate glue. (Does not apply to
EVAQ8 model)
Foot size
Distance from the rear
(A)
end of the sole (B)
22-25 cm
29 mm / 1,14''
26-28 cm
35 mm / 1,4''
29-31 cm
48 mm / 1,9''
11.
TROUBLESHOOTING
CONCERN
• Foot flat occurs too rapidly
• Toe feels excessively stiff
Heel too soft
• Knee hyperextension
• Rapid knee flexion, instability
• Heel to toe progression too fast
Heel too hard
• Lack of energy return sensation
Foot module
• Flat spot in rollover motion at slow cadences
too stiff
• Clicking noise at initial contact
Foot module
• Excessive toe deflection with high impact
too soft
activity
12.
WARNINGS
In case of damaged packaging, check the integrity of the device.
Never use the foot without a foot shell.
Never loosen the pyramid fastening screws.
The patient must inform their prosthetist if they gain or lose significant weight.
INSTRUCTIONS FOR USE
SYMPTOM
SOLUTION
• Shift socket anteriorly in relation to the foot
• Attach stiffening bumpers. See section 10 above
for installation details
• Shift socket posteriorly in relation to the foot
• Verify appropriate foot module category
• Consider a lower category foot module
• Consider a higher category foot module
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IFU-01-013
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