Method and apparatus for marking electrode locations for electroencephalographic procedure
First Claim
1. A templet cap for marking electrode positions on a scalp of a patient according to International 10/20 System specifications in preparation for an electroencephalographic procedure, comprising:
- (a) a templet consisting of multiple segments of elastic straps joined to form a lattice wherein each point of intersection between pairs of segments corresponds to an electrode-positioning point according to International 10/20 System specifications;
(b) a grommet containing eyelet means for determining a position for marking the electrode positions, said grommet joining said each point of intersection between pairs of segments, whereby said straps are attached to one another; and
(c) two earpiece straps attached to said cap, each strap containing a tragus marker located according to said International 10/20 System specifications.
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Abstract
A templet cap that comprises a plurality of elastic straps connected to form a lattice containing all the electrode-positioning locations required to perform an encephalogram according to the International 10/20 System. Each precise electrode-location point along each strap of the cap features a grommet with an eyelet available for marking the scalp of a patient. The cap is positioned with reference to the nasion and inion of the patient in preparation for an EEG. After all points have been identified and marked, the cap is removed and EEG electrodes are attached to the scalp according to normal procedure.
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Citations
19 Claims
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1. A templet cap for marking electrode positions on a scalp of a patient according to International 10/20 System specifications in preparation for an electroencephalographic procedure, comprising:
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(a) a templet consisting of multiple segments of elastic straps joined to form a lattice wherein each point of intersection between pairs of segments corresponds to an electrode-positioning point according to International 10/20 System specifications; (b) a grommet containing eyelet means for determining a position for marking the electrode positions, said grommet joining said each point of intersection between pairs of segments, whereby said straps are attached to one another; and (c) two earpiece straps attached to said cap, each strap containing a tragus marker located according to said International 10/20 System specifications. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of marking the electrode positions on a scalp of a patient, wherein the patient'"'"'s hair covers at least a portion of the scalp, according to International 10/20 System specifications in preparation for an electroencephalographic procedure, comprising the following steps:
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(a) providing a templet cap consisting of multiple segments of elastic straps joined to form a lattice wherein each point of intersection between pairs of segments corresponds to an electrode-positioning point according to International 10/20 System specifications;
wherein each point of intersection between said multiple segments of straps contains a grommet whereby said straps are attached to one another, each grommet including an eyelet;
wherein said templet cap comprises a nasion marker and an inion marker; and
wherein two earpiece straps are attached to said templet cap, each earpiece strap containing a tragus marker;(b) placing the cap on the patient'"'"'s scalp and positioning the tragus markers over the tragus of each ear, and placing the nasion marker over the nasion and the inion marker over the inion of the patient; (c) parting the patient'"'"'s hair away from the straps of the cap; (d) marking each electrode position on the scalp of the patient by pressing a marker point through the eyelet of each grommet; and (e) removing the cap from the head of the patient. - View Dependent Claims (8, 9, 10, 11, 12)
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13. An apparatus for marking electrode positions on a patient'"'"'s scalp according to International 10/20 System specifications in preparation for an electroencephalographic procedure, comprising:
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(a) a templet cap consisting of multiple segments of elastic straps joined to form a lattice wherein each point of intersection between pairs of segments corresponds to an electrode-positioning point according to International 10/20 System specifications; (b) means for determining a position for marking said patient'"'"'s scalp at said each point of intersection between pairs of segments; and (c) two earpiece straps attached to said templet cap, each strap containing a tragus marker located according to said International 10/20 System specifications. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification