From: peterson_at_d...
Date: 2001-06-19 14:18:17
Here is some information I found on FlexTrodes. I have never used
them, and must say that they sound like just the ticket for anyone
doing EEG biofeedback, except for the small drawback that a full set
with ear clips costgs more than the projected price of the whole Open
EEG machine.
--Jim
FLEXTRODES
What are they?
FlexTrodes are simple, clean, self-abrading and self-cleaning,
paste-free and gel-free electrodes. They are intended for EEG,
EMG, EKG, and related body potential recording work. They are
suitable for use to contact and record biopotentials from
the head, face, and other body areas. They are especially useful in
cases where it is difficult to get a good connection through
the hair, and where chemicals, gels, or pastes are undesirable.
What can I do with them?
FlexTrodes can be used with the BrainMaster recording modules, or
with similar instruments such as the WaveRider,
BrainTracer, Mind Mirror, POD, Spectrum Cybernetics, EEG Pathways
(Dr. Ayres), Lexicor, and so forth. They can also be
used with any physiological instrumentation that expects a
conventional, metal/saline type of electrode, with a secure
connection to the head, face, or other body area. FlexTrodes can be
used in combination with other electrodes, providing
maximum flexibility.
What do they consist of?
Each consists of a hollow, screw-like plastic retainer containing a
felt wrapper that encloses a standard gold cup electrode. It
is used with a retaining ring that can be inserted into a headband,
hat, or other holder. This provides a simple, clean,
self-abrading and self-cleaning, paste-free and gel-free contact.
FlexTrodes
Specifications: Dimensions:
Electrode:
5/8" o.d.. x 7/16" i.d. x 5/8" long
Retaining ring:
1" o.d. x 1/2" i.d. x 5/16" long
Thread pitch: 8 per inch
Electrode:
Conventional 9mm disk: gold
Electrolyte:
Salt Water recommended.
FlexTrode Packages
FlexTrode package 1:
Includes 3 FlexTrode Assemblies, headband and cross strip, plus
water bottle: "Pin" Part # 621-011 Price: $140 ; "SAF":
part # 621-012 Price: $140.
FlexTrode package 2:
Includes all items in Package 1 plus two ear clips. With 2 mm Pin:
Part # 621-021 Price: $200; With SAF (FDA Safety)
Connectors: Part # 621-022 Price: $200.
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