Self adjusting headgear appliance using reservoir electrodes
First Claim
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1. An appliance for collecting electroencephalographic signals from a patient'"'"'s head, comprising:
- a. a flexible strap consisting of an anterior segment which is adapted to traverse longitudinally the crown of said patient'"'"'s head and a plurality of posterior branch segments, each posterior branch segment projecting from the posterior end of the anterior segment at an angle to the center line of the anterior segment and being adapted to traverse therefrom portions of the rear of the patient'"'"'s head, and each of the plurality of posterior branch segments incorporating a means for adjustment of length of said posterior branch segment,(1) each of the plurality of posterior branch segments extending from the posterior end of said anterior segment to an adhesive patch on which at least one receptor is mounted,(2) two of the plurality of posterior branch segments being adapted to be disposed symmetrically on either side of the patient'"'"'s head so as to comprise two mastoid segments,(3) each of the at least one receptor on the adhesive patch of each of two mastoid segments comprising a mastoid receptor adapted to be placed in a predetermined anatomical position behind each of the patient'"'"'s ears in the mastoid region;
b. at the anterior end of said anterior segment, a frontal adhesive patch in which is mounted at least one receptor situated so that the at least one receptor may be placed in at least one predetermined anatomical position on the forehead of said patient;
c. in the central and posterior portions of the anterior segment, at least one crown receptor mounted so that it may be placed in at least one predetermined anatomical position on the crown of the patient'"'"'s head,d. a connector tab extending from said anterior segment to a connector; and
e. electrical conductors contained in said strap so as to connect electrically each of the at least one receptor in the frontal adhesive patch, the at least one crown receptor, the mastoid receptors, and any other receptor with a corresponding contact in the connector so that independent signals may be transmitted from each receptor out of the appliance to external devices.
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Abstract
This invention defines a system for monitoring the brain activity of a human patient in order to monitor a patient'"'"'s brain electrical activity. The system uses a plurality of receptors which are mounted in predetermined anatomical positions on the patient'"'"'s head. The receptors are secured by adhesive foam patches. The appliance fits snugly to the head with the aid of self-adjusting strap that carry imbedded electrical circuitry for the receptors. Electrical connectivity in locations where scalp hair is most likely to be present is improved by the use of braille-tip electrodes fitted with large gel reservoirs.
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Citations
15 Claims
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1. An appliance for collecting electroencephalographic signals from a patient'"'"'s head, comprising:
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a. a flexible strap consisting of an anterior segment which is adapted to traverse longitudinally the crown of said patient'"'"'s head and a plurality of posterior branch segments, each posterior branch segment projecting from the posterior end of the anterior segment at an angle to the center line of the anterior segment and being adapted to traverse therefrom portions of the rear of the patient'"'"'s head, and each of the plurality of posterior branch segments incorporating a means for adjustment of length of said posterior branch segment, (1) each of the plurality of posterior branch segments extending from the posterior end of said anterior segment to an adhesive patch on which at least one receptor is mounted, (2) two of the plurality of posterior branch segments being adapted to be disposed symmetrically on either side of the patient'"'"'s head so as to comprise two mastoid segments, (3) each of the at least one receptor on the adhesive patch of each of two mastoid segments comprising a mastoid receptor adapted to be placed in a predetermined anatomical position behind each of the patient'"'"'s ears in the mastoid region; b. at the anterior end of said anterior segment, a frontal adhesive patch in which is mounted at least one receptor situated so that the at least one receptor may be placed in at least one predetermined anatomical position on the forehead of said patient; c. in the central and posterior portions of the anterior segment, at least one crown receptor mounted so that it may be placed in at least one predetermined anatomical position on the crown of the patient'"'"'s head, d. a connector tab extending from said anterior segment to a connector; and e. electrical conductors contained in said strap so as to connect electrically each of the at least one receptor in the frontal adhesive patch, the at least one crown receptor, the mastoid receptors, and any other receptor with a corresponding contact in the connector so that independent signals may be transmitted from each receptor out of the appliance to external devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An appliance for mounting on the head of a patient for collecting electroencephalographic signals, comprising:
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a. a frontal adhesive patch incorporating a plurality of receptors adapted to being secured in predetermined anatomical positions on the forehead of said patient; b. a central strap extending from said frontal adhesive patch adapted to traverse longitudinally the crown of the patient'"'"'s head, said central strap incorporating a means for adjustment of length and incorporating at least one receptor located so as to be adapted to being mounted in at least one predetermined anatomical position on the crown of patient'"'"'s head; c. a circumferential band adapted to pass about the patient'"'"'s head above the patient'"'"'s ears and attached to said frontal adhesive patch; d. two mastoid straps extending downward from said circumferential band to two mastoid adhesive patches each incorporating a means for adjustment of length, each mastoid adhesive patch incorporating at least one receptor situated so as to be secured by the adhesive patch in a predetermined anatomical position on the patient, one of said mastoid adhesive patches being adapted to having the at least one receptor secured to a predetermined anatomical position behind the left ear of the patient and the other of said mastoid adhesive patches being adapted to having the at least one receptor secured to a predetermined anatomical position behind the right ear of the patient; e said plurality of receptors adapted to being secured in predetermined anatomical positions comprising three frontal receptors, two central receptors, and two mastoid receptors. - View Dependent Claims (12, 13, 14, 15)
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Specification