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•
Adjust plantarflexion resistance (P) using a 4 mm Allen wrench (see illustration below):
If there is foot slap or heel strike is too abrupt, increase plantarflexion resistance.
o
If the heel is too firm or the knee is buckling at heel strike, decrease plantarflexion resistance.
o
•
In the same way, adjust dorsiflexion resistance (D) using a 4 mm Allen wrench:
If the patient feels they are walking downhill, increase dorsiflexion resistance.
o
If the effort to advance over the foot (tibial progression) is challenging for the patient, decrease dorsiflexion
o
resistance.
9.
ASSEMBLY
After dynamic alignment, tighten the pyramid adjustment screws according to the specifications of the connector manufacturer.
Secure pyramid adjustment screws with a thread locking adhesive (i.e., Loctite 242).
Spectra sock
A spectra sock is included to protect the foot shell and minimize noise. It must be placed on the EnduraCore foot module before
mounting the foot shell.
Foot shell
To install and remove the foot shell, use a foot shell removal tool to prevent damage of the foot module.
Never remove the foot from the foot shell by pulling manually. Never use a screwdriver or any other inappropriate
instrument to remove it. This could damage the foot.
EVAQ8 models
The straight barb, exhaust filter, tubing, inline filter, socket right angle barb, and hose retainer are included with the foot and may
require assembly prior to use.
The connection method to the socket is left to the discretion of the prosthetist. It is entirely dependent on the clinician's chosen
socket design that will dictate how the EVAQ8 will be connected. There are many fabrication methods and materials that can be
used. A socket should be fabricated using materials that will hold vacuum and provide a connection point for the EVAQ8 pump.
•
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.
Smaller Dot = Lower Resistance
INSTRUCTIONS FOR USE
Larger Dot = Higher Resistance
Page 3 of 7
IFU-02-005
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