HANDBOOK (V
4.0)
COMPLETE CONTROL SYSTEM GEN2
19
A FEW THINGS TO BE CAREFUL OF WHEN WORKING WITH THE DOME ELECTRODE HARDWARE
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Be careful not to damage other wires when installing the Dome Electrodes.
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If any part of the metal of the Dome Electrodes and the hardware make contact with conductive
materials (e.g. carbon fiber outer sockets) the EMG signal will not be as clear. Take caution to avoid that
type of contact.
•
Make sure the black (ground) connection is connected to its own Dome Electrode.
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Two wire conductors of the same color should NEVER be connected to the same Dome Electrode.
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Do not cross-thread the nuts on the threaded part of the Dome Electrodes. Try starting the nuts with
your fingers first and if not easy to tighten, try adjusting the starting orientation of the nut.
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Make sure the Dome Electrodes are installed with the dome side making contact with the user. The
threaded side and other components should be secured behind a mounting socket wall or enclosure.
Trimmed electrode studs.
Ensure any excess length of electrode dome threaded studs are
sufficiently trimmed and smoothed. Sharp edges and protrusions can cause damage to other
prosthesis wiring, socket materials, and installed components.
Conductive socket material.
It is important to consider electrode interference when using of
electrically conductive socket materials, such as carbon fiber laminate. Conductive socket
material that comes in contact with electrode dome threaded studs can negatively affect
prosthesis performance by reducing the detected EMG signal quality. Take care to electrically
isolate the electrode dome threaded stud and/or EMG Interface Cable ring-terminals from
contact with any conductive socket materials.
NEED TO CLEAN THE DOME ELECTRODES?
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Coapt recommends cleaning of the Dome Electrodes’ skin contact side as needed using isopropyl
alcohol on a clean cloth. Avoid using anything abrasive like sandpaper or steel wool.
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These Dome Electrodes are made of a high-grade Stainless Steel. If they appear damaged or corroded,
please contact Coapt.
