endolite EchelonVAC Instrucciones De Uso página 13

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6.4 Dynamic Adjustment
Adjustment of the hydraulic valves.
The user should experience the ankle moving smoothly with the body through the gait cycle
with no additional effort required by the user to overcome the hydraulic resistance of the ankle.
During this procedure the user should walk at normal speed, in a straight line on a level surface.
Upon walking, does the user
experience foot slap?
No Yes
PF
1st
Adjust the Plantar
Does the
Adjust the Plantar
flexion valve to Yes
user find the
Flexion valve to
reduce resistance
heel too
increase resistance
(counterclockwise)
hard?
(clockwise)
No
Adjust the
Dorsiflexion
Transfer should be smooth.
Yes
valve to
Does the user feel as if they
reduce resistance
are walking uphill?
DF
(counterclockwise)
No
2nd
Adjust the
Does the user feel as
Dorsiflexion
Yes
if they are being
valve to
thrown forwards
increase resistance
through stance?
(clockwise)
No
Guidance:
Following dynamic adjustment, trial the foot/ankle on ramps and stairs. Ensure the user is
comfortable with the kind of terrain he/she may normally be expected to encounter. If the user
reports any issues with comfort, usability or range of movement of the ankle, adjust accordingly.
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