Implantable multi-electrode microdrive array

Details Implantable multi-electrode microdrive array Implantable multi-electrode microdrive array

1997-03-19

1999-07-27

DeMille, Danton D.

Surgery

Diagnostic testing

Structure of body-contacting electrode or electrode inserted...

600378, 600544, 606130, A61B 504

Patent

active

059281430

ABSTRACT:
An apparatus is provided for use in neurophysiological research in general, and, in particular, for use on conscious, freely moving animals and on in vitro tissue samples. An array of elongated guide cannulae have lower ends which are parallel with and adjacent each other and upper ends which are inclined outwardly. Recording electrodes are slidably carried within each of the guide cannulae and an electrode adjustment mechanism moves the electrode or electrodes in each of the guide cannulae independently of the electrodes carried in the other guide cannulae. The apparatus has a capacity for recording vastly more timing patterns of neural activity than prior art devices.

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