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10.
ADJUSTMENTS
The heel stiffness at heel strike 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 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 end
(A)
of the sole (B)
22-25 cm
22 mm / 0.9''
26-28 cm
30 mm / 1.2''
29-30 cm
38 mm / 1.5''
11.
TROUBLESHOOTING
CONCERN
•
Sinking at heel strike, 'crushing' the heel.
•
Heel too soft
Difficult to progress the step from heel strike to
mid stance.
•
Rapid knee flexion moment, instability at heel
Heel too hard
strike.
•
Lack of energy return sensation at heel strike.
•
Foot module
Flat spot in rollover motion.
•
too stiff
Difficult to progress over toe.
•
Foot module
Clicking noise at initial contact.
•
too soft
Excessive toe deflection.
12.
WARNINGS
In case of damaged packaging, check the integrity of the device.
Failure to follow the instructions for use is dangerous and will void the warranty.
Advise users to practice driving, sitting, and standing with the Kinterra in a safe place to ensure they adjust to the plantar
and dorsiflexion movement provided by the ankle.
Never use the foot module without a foot shell and a spectra sock. Failure to comply may cause premature wear, loss of
function, and/or product failure.
Always use the foot module with a shoe. Failure to comply may cause premature wear, loss of function, and/or product
failure.
Make sure that the foot and inside of the foot shell are free of impurities (e.g., sand). The presence of impurities causes
the graphite parts and the foot shell to wear out. Clean the foot according to the instructions (see §16).
Never attempt to loosen the bolts affixing the ankle to foot.
If the patient notices any abnormal behavior or feels any changes in the characteristics of the device (noise, play,
excessive wear), or if the device has received a severe impact, they should stop using the device and consult their
prosthetist.
The patient must inform their prosthetist if they lose or gain weight.
13.
CONTRAINDICATIONS
Use for a patient whose maximum weight (load carrying included) may exceed 150 kg / 330 lb.
Use for K4 patient or activities associated with a risk of significant impact or excessive overloading.
INSTRUCTIONS FOR USE
SYMPTOM
SOLUTION
•
Check anteroposterior alignment, ensure foot is
not positioned too far anterior.
•
Increase plantarflexion resistance.
•
Attach heel stiffening bumpers. See section 10
above for installation details
•
Check anteroposterior alignment, ensure foot is
not positioned too far posterior.
•
Reduce plantarflexion resistance.
•
Assess true impact level (low or moderate).
•
Consider a lower category foot module.
•
Assess true impact level (low or moderate).
•
Consider a higher category foot module.
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