APPARATUS FOR ACQUIRING ELECTRIC ACTIVITY IN THE BRAIN AND UTILIZATION OF THE SAME
First Claim
1. An apparatus for identifying a target site in the brain, comprising:
- one or more needle-like bases enabled to be inserted into the brain;
a first electrode having a first impedance and enabling an input of an electric activity of a possible target site with which the first electrode comes into contact; and
a second electrode having a second impedance lower than the first impedance and being able to output an electric stimulation to the possible target site, whereinthe first electrode is provided at a tip portion of at least one of the one or more bases, and the second electrode is provided as a pair of an anode and a cathode on a part of the at least one of the one or more bases at a position identical to a position of at least one of the first electrode or on a proximal side with respect to the first electrode, in a direction along a long axis of the base on which the first electrode is provided, andthe apparatus is configured to identify the target site by acquiring, from the first electrode, the electric activity induced based on the electric stimulation output from the pair of the anode and the cathode as the second electrode.
1 Assignment
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Accused Products
Abstract
The present disclosure provides an apparatus including: one or more needle-like bases enabled to be inserted into the brain; a first electrode having a first impedance and enabling an input of an electric activity of a nucleus with which the first electrode comes into contact; and a second electrode having a second impedance lower than the first impedance and being able to output an electric stimulation to the nucleus, wherein the first electrode is provided at a tip portion of at least one of the bases, and the second electrode is provided on a part of the at least one of the bases at a position identical to a position of at least one of the first electrode or on a proximal side with respect to the first electrode, in a direction along a long axis of the base on which the first electrode is provided.
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Citations
23 Claims
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1. An apparatus for identifying a target site in the brain, comprising:
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one or more needle-like bases enabled to be inserted into the brain; a first electrode having a first impedance and enabling an input of an electric activity of a possible target site with which the first electrode comes into contact; and a second electrode having a second impedance lower than the first impedance and being able to output an electric stimulation to the possible target site, wherein the first electrode is provided at a tip portion of at least one of the one or more bases, and the second electrode is provided as a pair of an anode and a cathode on a part of the at least one of the one or more bases at a position identical to a position of at least one of the first electrode or on a proximal side with respect to the first electrode, in a direction along a long axis of the base on which the first electrode is provided, and the apparatus is configured to identify the target site by acquiring, from the first electrode, the electric activity induced based on the electric stimulation output from the pair of the anode and the cathode as the second electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 15, 16, 17, 18, 19, 20, 21, 22)
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10. An apparatus for acquiring electric activity in the brain, comprising:
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one or more needle-like bases enabled to be inserted into the brain; a first electrode having a first impedance and enabling an input of an electric activity of a possible target site with which the first electrode comes into contact; and a second electrode having a second impedance lower than the first impedance and being able to output an electric stimulation to the possible target site, wherein the first electrode is provided at a tip portion of at least one of the one or more bases, the second electrode is provided as a pair of an anode and a cathode on a part of the at least one of the one or more bases at a position identical to a position of at least one of the first electrode or on a proximal side with respect to the first electrode, in a direction along a long axis of the base on which the first electrode is provided, and the apparatus is configured to acquire, from the first electrode, the electric activity induced based on the electric stimulation output from the pair of the anode and the cathode as the second electrode.
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11. An apparatus for stimulating a target site in the brain, comprising:
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one or more needle-like bases enabled to be inserted into the brain; a first electrode having a first impedance and enabling an input of an electric activity of a contact site; and a second electrode having a second impedance lower than the first impedance and being able to output an electric stimulation to the contact site or a vicinity of the contact site, wherein the first electrode is provided at a tip portion of at least one of the one or more bases, the second electrode is provided as a pair of an anode and a cathode on a part of the at least one of the one or more bases at a position identical to a position of at least one of the first electrode or on a proximal side with respect to the first electrode, in a direction along a long axis of the base on which the first electrode is provided, and the apparatus identifies the target site by acquiring the electric activity which is induced based on the electric stimulation output from the second electrode and which is input from the first electrode and outputs the electric stimulation to the target site from the second electrode.
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12. An apparatus improving or treating an electric activity of a target site in the brain, the apparatus comprising:
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one or more needle-like bases enabled to be inserted into the brain; a first electrode having a first impedance and enabling an input of an electric activity of a contact site; and a second electrode having a second impedance lower than the first impedance and being able to output an electric stimulation to the contact site or a vicinity of the contact site, wherein the first electrode is provided at a tip portion of at least one of the one or more bases, the second electrode is provided as a pair of an anode and a cathode on a part of the at least one of the one or more bases at a position identical to a position of at least one of the first electrode or on a proximal side with respect to the first electrode, in a direction along a long axis of the base on which the first electrode is provided, and the apparatus is configured to identify by acquiring, from the first electrode, the electric activity induced based on the electric stimulation output from the pair of the anode and the cathode as the second electrode and outputs the electric stimulation to the target site from the second electrode.
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13. An apparatus solidifying or cauterizing of a target site in the brain, the apparatus comprising:
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one or more needle-like bases enabled to be inserted into the brain; a first electrode having a first impedance and enabling an input of an electric activity of a contact site; a second electrode having a second impedance lower than the first impedance and being able to output an electric stimulation to the contact site or a vicinity of the contact site, and at least one electrode for solidifying or cauterizing a tissue, wherein the first electrode is provided at a tip portion of at least one of the one or more bases, the second electrode is provided as a pair of an anode and a cathode on a part of the at least one of the one or more bases at a position identical to a position of at least one of the first electrode or on a proximal side with respect to the first electrode, in a direction along a long axis of the base on which the first electrode is provided, and the apparatus is configured to identify the target site by acquiring, from the first electrode, the electric activity induced based on the electric stimulation output from the pair of the anode and the cathode as the second electrode and solidifies or cauterizes the target site by the at least one electrode for solidifying or cauterizing.
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14. An apparatus for injecting a target site in the brain, comprising:
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one or more needle-like bases enabled to be inserted into the brain; a first electrode having a first impedance and enabling an input of an electric activity of a contact site; and a second electrode having a second impedance lower than the first impedance and being able to output an electric stimulation to the contact site or a vicinity of the contact site, wherein the first electrode is provided at a tip portion of at least one of the one or more bases, the second electrode is provided as a pair of an anode and a cathode on a part of the at least one of the one or more bases at a position identical to a position of at least one of the first electrode or on a proximal side with respect to the first electrode, in a direction along a long axis of the base on which the first electrode is provided, and the apparatus identifies the target site by acquiring the electric activity which is induced based on the electric stimulation output from the second electrode and which is input from the first electrode and outputs the electric stimulation to the target site from the second electrode.
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23. (canceled)
Specification