Dynamic Adjustment - Blatchford EchelonER Instrucciones De Uso

7.4

Dynamic Adjustment

Adjustment of the Hydraulic Valves
The user should experience the ankle moving with the body through the gait cycle. There should
be no effort exerted by the user to overcome the hydraulic resistance of the ankle.
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.
When descending stairs, in order to prevent the foot plantar flexing excessively, the foot should
be positioned such that the edge of the step corresponds to the middle of the device.
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