Device for performing microelectrode recordings through the central channel of a deep-brain stimulation electrode
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United States of America Patent
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Oct 9, 2001
Grant Date -
N/A
app pub date -
Jan 20, 2000
filing date -
Jan 20, 2000
priority date (Note) -
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Abstract
A combined deep brain stimulation electrode and microelectrode recording probe are provided to reduce the tedium and difficulty associated with the localization of electrical stimulation leads, thereby promoting neurosurgeons to use the most sophisticated methods of electrode placement. The invention includes a deep brain stimulator having an elongate elastomeric sheath which encases a series of individually wound wires extending from one end of the electrode to the other, and terminating in a corresponding series of electrically isolated contact pads. The interior of the elongate sheath is a central channel which is open at both ends. The microelectrode probe is advanced through the central channel and provides one pole of an electrical stimulator tip. One of the deep brain stimulator contact pads serves as the other pole for the microelectrode recording process. Once the proper position is determined, the deep brain stimulator maybe advanced into position, and the microelectrode recording probe may be removed.
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