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Floating Microelectrode Arrays
| Floating Microelectrode Arrays and Research
Products |
 Microprobe has developed a
novel "floating microelectrode array" (FMA) for chronic and acute experimentation. We offer
a vacuum insertion tool, a titanium pedestal, and an 18 channel impedance tester along with
our FMAs. Our new FMAs have been developed in cooperation with research done by Dr. Richard
Andersen's laboratory at Cal Tech, Dr. Philip Troyk at the Illinois Institute of Technology,
and with aid from a NIH grant. Since their development, our FMAs have not only been used by
researchers within the continental United States, but also by research institutions across
the globe. Along with the aforementioned Cal Tech and IIT, we have supplied FMAs to domestic
institutions such as University of Texas at Southwestern,
University of Rochester, Harvard University Medical School, and the University of Pittsburgh. We
have worked with international investigators from countries that include Mexico,
Switzerland, Japan, and China. These arrays offer the optimum flexibility, allowing the
investigator to specify parameters such as the number of electrodes, electrode length,
individual electrode impedance value, metal type, and cable length. Custom layouts and
eletrode spacing may also be special ordered.
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We offer a vacuum inserter tool to assist in implanting the arrays. The inserter's
cannula is easily attached to a standard micromanipulator for driving the FMA into the brain.
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A titanium pedestal is available, which will house a single Omnetics connector.
Pedestal designs that will hold up to six connectors will be offered soon for larger animal
models where multiple FMAs will need to be implanted.
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| 18 channel Impedance Tester |
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An eighteen channel impedance tester is also being offered that will greatly speed
impedance checking of pre and post implanted FMAs. The impedance tester has been designed
with the flexibility of MPI offering extension cables and other connector styles such as those
used in MPI's other multi-electrode and microwire array designs.
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