CN210124771U - Auxiliary electrode positioning device for visual evoked potential examination - Google Patents
Auxiliary electrode positioning device for visual evoked potential examination Download PDFInfo
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- CN210124771U CN210124771U CN201821727282.5U CN201821727282U CN210124771U CN 210124771 U CN210124771 U CN 210124771U CN 201821727282 U CN201821727282 U CN 201821727282U CN 210124771 U CN210124771 U CN 210124771U
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- evoked potential
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Abstract
The utility model discloses an electrode auxiliary positioning device is used in vision evoked potential inspection, adopt to set up detection electrode with the mode that the contact of pressing replaces the adhesion contact, be respectively in forehead central authorities by the person's of examining the head, both sides temple and brain rear portion central authorities set up vice electrode subassembly, left side reference electrode subassembly, right side reference electrode subassembly and main electrode subassembly, vice electrode subassembly, left side reference electrode subassembly, right side reference electrode subassembly and main electrode subassembly set up respectively on the hood, and the hood sets up on the seat through fixed plectane and back support riser, set up the elasticity neck cover simultaneously at the lower extreme of hood, as the measure of auxiliary stay by the person's of examining the head, be convenient for by the person's of examining neck muscle relaxation, be favorable to reducing the influence of neck flesh electricity, be convenient for improve the detection precision of detection electrode in the main electrode.
Description
Technical Field
The utility model belongs to the technical field of vision evoked potential inspection apparatus, especially, relate to an electrode auxiliary positioning device is used in vision evoked potential inspection.
Background
Visual evoked potential (visual evoked potential) electrophysiological phenomena, i.e. in the visual field range, with a certain intensity of flash or graphic stimulation of the retina, can be recorded in the visual cortex or the occipital region outside the skull, and is an important means for studying human sensory functions, nervous system diseases, behaviors, psychological activities, etc. At present, in the visual evoked potential examination, the detection electrodes are generally adhered to the head of the examined person, that is, the forehead, temples on two sides and the back of the brain of the examined person, but the adhered electrodes easily cause the contact part to generate an adhered tingling feeling, and especially the adhered electrodes also easily cause the contact part to generate a dropping feeling, so that extra interfering bioelectricity is generated at the contact part, and the interfering bioelectricity generated by the simple pressing contact is much smaller than that generated by the simple pressing contact, so that improvement measures are proposed for improving the detection accuracy.
SUMMERY OF THE UTILITY MODEL
The problem to above current existence, the utility model provides an electrode auxiliary positioning device is used in visual evoked potential inspection, adopt and set up the detection electrode with the mode that the contact of pressing replacement adhesion contact, be respectively in forehead central authorities of being examined person's head, both sides temple and brain rear portion central authorities set up vice electrode subassembly, left side reference electrode subassembly, right side reference electrode subassembly and main electrode subassembly, vice electrode subassembly, left side reference electrode subassembly, right side reference electrode subassembly and main electrode subassembly set up respectively on the hood, and the hood sets up on the seat through fixed plectane and back support riser, set up the elasticity neck cover simultaneously at the lower extreme of hood, as the measure of auxiliary stay person's head, be convenient for relax by the neck muscle of examining person, be favorable to reducing the influence of neck flesh electricity, be convenient for improve the detection precision of inspection electrode in the main electrode subassembly.
The technical scheme of the utility model lies in:
the utility model provides an electrode auxiliary positioning device for visual evoked potential examination, which comprises a seat, wherein a rear supporting riser is fixedly arranged at the center of the rear side of an armrest of the seat, the rear supporting riser vertically extends upwards, a fixed circular plate is fixedly arranged at the upper end of the rear supporting riser, and a hood is fixedly arranged on the front end face of the fixed circular plate;
the head cover is spherical shell-shaped, the front end and the lower end of the head cover are in a communicated notch shape, the front upper end, the left side, the right side and the rear end of the head cover are sequentially provided with an auxiliary electrode assembly, a left reference electrode assembly, a right reference electrode assembly and a main electrode assembly respectively, and detection electrodes of the auxiliary electrode assembly, the left reference electrode assembly, the right reference electrode assembly and the main electrode assembly are exposed in the head cover respectively;
the lower end of the head cover is provided with an elastic neck sleeve.
Further, the structure and the composition of the auxiliary electrode assembly, the left reference electrode assembly, the right reference electrode assembly and the main electrode assembly are the same, and the auxiliary electrode assembly, the left reference electrode assembly, the right reference electrode assembly and the main electrode assembly are respectively attached to the center of the forehead, the temples on two sides and the center of the back of the brain of the head of the examinee.
Further, left side reference electrode subassembly includes fixed sleeve, spiral shell post piece, detection electrode, electrode joint seat and spring, fixed sleeve is fixed to be set up the hood outside, the spiral shell post piece runs through in proper order fixed sleeve with the hood stretches into in the hood, the spiral shell post piece stretches into fixedly on the tip in the hood is provided with the spring, the spring is kept away from fixedly on the tip of spiral shell post piece is provided with the electrode joint seat, the embedding is installed on the electrode joint seat detection electrode.
Furthermore, the stud block is in threaded connection with the fixing sleeve, and a hand-screwed stud block is fixedly arranged at the end part outside the fixing sleeve.
Furthermore, a connecting lead of the detection electrode sequentially passes through the electrode joint seat, the spring, the stud block and the hand-screwed stud block and is connected with the visual evoked potential detection equipment.
Furthermore, the elastic neck cover is made of rubber and is of a U-shaped structure with a forward opening.
The utility model discloses owing to adopted above-mentioned technique, make it compare specific positive beneficial effect with prior art and be:
1. the utility model discloses a mode with pressing contact replacement adhesion contact sets up detection electrode, sets up vice electrode subassembly, left reference electrode subassembly, right reference electrode subassembly and main electrode subassembly respectively at forehead central authorities, both sides temple and the brain rear portion central authorities of being examined person's head, and vice electrode subassembly, left reference electrode subassembly, right reference electrode subassembly and main electrode subassembly set up respectively on the hood, and the hood sets up on the seat through fixed plectane and back supporting riser.
2. The utility model discloses set up elasticity neck cover at the lower extreme of hood, as the measure of auxiliary stay by inspector head, be convenient for relax by inspector's neck muscle, be favorable to reducing the influence of neck flesh electricity, be convenient for improve the detection precision of inspection electrode in the main electrode subassembly.
3. The utility model discloses in, stud piece and fixed sleeve threaded connection, and be in fixed being provided with hand on the tip outside the fixed sleeve and twist the post piece, utilize hand to twist the post piece can knob adjusting stud piece to the condition of stretching into in the hood, just also adjust detection electrode to the support of being examined person's head and press the laminating dynamics, and can also adapt to the person being examined of different head sizes, improved the suitability.
4. The utility model discloses product property can be good, long service life.
5. The utility model discloses convenient to use, convenient and fast.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partially enlarged schematic view of a part a of the present invention.
In the figure: 1-secondary electrode assembly, 2-head cap, 3-left reference electrode assembly, 4-elastic neck cover, 5-armrest, 6-seat, 7-rear support riser, 8-right reference electrode assembly, 9-fixed circular plate, 10-primary electrode assembly, 31-hand-screwed column block, 32-fixed sleeve, 33-spiral column block, 34-detection electrode, 35-electrode joint seat, and 36-spring.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention.
Furthermore, in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Embodiment 1, as shown in fig. 1-2, the present invention provides an electrode auxiliary positioning device for visual evoked potential monitoring, which comprises a seat 6, a rear supporting riser 7 fixed in the center of the rear side of an armrest 5 of the seat 6, a fixed circular plate 9 fixed on the upper end of the rear supporting riser 7 and extending vertically upwards, and a head cover 2 fixed on the front end surface of the fixed circular plate 9;
the head cap 2 is in a spherical shell shape, the front end and the lower end of the head cap are in a communicated notch shape, the front upper end, the left side, the right side and the rear end of the head cap 2 are respectively provided with an auxiliary electrode assembly 1, a left reference electrode assembly 3, a right reference electrode assembly 8 and a main electrode assembly 10 in sequence, and the detection electrodes 34 of the auxiliary electrode assembly 1, the left reference electrode assembly 3, the right reference electrode assembly 8 and the main electrode assembly 10 are respectively exposed in the head cap 2;
the lower end of the head cover 2 is provided with an elastic neck cover 4.
The structure and composition of the secondary electrode assembly 1, the left reference electrode assembly 3, the right reference electrode assembly 8 and the main electrode assembly 10 are the same, and the secondary electrode assembly, the left reference electrode assembly, the right reference electrode assembly and the main electrode assembly are respectively attached to the center of the forehead, the temples on two sides and the center of the back of the brain of the head of the examinee.
The left reference electrode assembly 3 comprises a fixing sleeve 32, a stud block 33, a detection electrode 34, an electrode joint seat 35 and a spring 36, the fixing sleeve 32 is fixedly arranged on the outer side of the head cover 2, the stud block 33 sequentially penetrates through the fixing sleeve 32 and the head cover 2 and extends into the head cover 2, the spring 36 is fixedly arranged on the end portion, extending into the head cover 2, of the stud block 33, the electrode joint seat 35 is fixedly arranged on the end portion, far away from the stud block 33, of the spring 36, and the detection electrode 34 is embedded and installed on the electrode joint seat 35.
The stud block 33 and the fixed sleeve 32 threaded connection, and be in the fixed hand of being provided with on the tip outside the fixed sleeve 32 and twist the post block 31, utilize the hand to twist the post block 31 can adjust the screw block 33 to the income condition in the hood 2 by the knob, just also adjust detecting electrode 34 to the laminating dynamics of pressing of quilt inspector head, and can also adapt to the quilt inspector of different head sizes, improved the suitability.
The connection lead of the detection electrode 34 passes through the electrode engaging seat 35, the spring 36, the stud block 33 and the hand-screwed stud block 31 in this order, and is connected to the visual evoked potential monitoring apparatus.
The elastic neck sleeve 4 is made of rubber and is of a U-shaped structure with an opening facing forwards, so that the elastic neck sleeve is conveniently nested on the neck of the person to be checked from back to front, the head of the person to be checked is supported in an auxiliary mode, the neck muscles of the person to be checked are conveniently relaxed, the influence of the neck myoelectricity is favorably reduced, and the detection precision of the detection electrode in the main electrode assembly 10 is conveniently improved.
By adopting the technical scheme, the detection electrodes 34 are arranged in a pressing contact mode instead of an adhesion contact mode, the auxiliary electrode assemblies 1, the left reference electrode assembly 3, the right reference electrode assembly 8 and the main electrode assembly 10 are respectively arranged at the center of the forehead, temples at two sides and the center of the back part of the head of the checked person, the auxiliary electrode assemblies 1, the left reference electrode assembly 3, the right reference electrode assembly 8 and the main electrode assembly 10 are respectively arranged on the head cover 2, the head cover 2 is arranged on the seat 6 through the fixed circular plate 9 and the rear supporting vertical plate 7, and the elastic neck cover 4 is arranged at the lower end of the head cover 2 and is used as a measure for assisting in supporting the head of the checked person, so that neck muscles of the checked person can be relaxed, the influence of the neck myoelectricity can be reduced, and the detection accuracy of the detection.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. In the aspect of the material adopted by each part of the utility model, if the part is described by the term of "elasticity", the part can be made of spring steel or rubber; if the parts are described with the term "rigid", steel or hard engineering plastics may be used. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. An electrode auxiliary positioning device for visual evoked potential inspection, which comprises a seat and is characterized in that: a rear supporting vertical plate is fixedly arranged at the center of the rear side of the armrest of the seat, the rear supporting vertical plate vertically extends upwards, a fixed circular plate is fixedly arranged at the upper end of the rear supporting vertical plate, and a hood is fixedly arranged on the front end face of the fixed circular plate;
the head cover is spherical shell-shaped, the front end and the lower end of the head cover are in a communicated notch shape, the front upper end, the left side, the right side and the rear end of the head cover are sequentially provided with an auxiliary electrode assembly, a left reference electrode assembly, a right reference electrode assembly and a main electrode assembly respectively, and detection electrodes of the auxiliary electrode assembly, the left reference electrode assembly, the right reference electrode assembly and the main electrode assembly are exposed in the head cover respectively;
the lower end of the head cover is provided with an elastic neck sleeve.
2. The visual evoked potential monitoring electrode auxiliary positioning device according to claim 1, wherein: the structure and the composition of the auxiliary electrode assembly, the left reference electrode assembly, the right reference electrode assembly and the main electrode assembly are the same, and the auxiliary electrode assembly, the left reference electrode assembly, the right reference electrode assembly and the main electrode assembly are respectively attached to the center of the forehead, the temples on two sides and the center of the back of the brain of the examined person.
3. The visual evoked potential monitoring electrode auxiliary positioning device according to claim 2, wherein: the left reference electrode assembly comprises a fixing sleeve, a stud block, a detection electrode, an electrode joint seat and a spring, the fixing sleeve is fixedly arranged on the outer side of the hood, the stud block sequentially penetrates through the fixing sleeve and the hood and stretches into the hood, the stud block stretches into the end portion of the hood, the spring is fixedly arranged on the spring, the spring is far away from the end portion of the stud block, the electrode joint seat is fixedly arranged on the end portion of the stud block, and the detection electrode is embedded and installed on the electrode joint seat.
4. The visual evoked potential monitoring electrode auxiliary positioning device according to claim 3, wherein: the stud block is in threaded connection with the fixed sleeve, and a hand-screwed stud block is fixedly arranged at the end part outside the fixed sleeve.
5. The visual evoked potential monitoring electrode auxiliary positioning device according to claim 4, wherein: and the connecting lead of the detection electrode sequentially passes through the electrode joint seat, the spring, the stud block and the hand-screwed stud block and is connected with the visual evoked potential detection equipment.
6. The visual evoked potential monitoring electrode auxiliary positioning device according to any one of claims 1 to 5, wherein: the elastic neck sleeve is made of rubber and is of a U-shaped structure with a forward opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821727282.5U CN210124771U (en) | 2018-10-24 | 2018-10-24 | Auxiliary electrode positioning device for visual evoked potential examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821727282.5U CN210124771U (en) | 2018-10-24 | 2018-10-24 | Auxiliary electrode positioning device for visual evoked potential examination |
Publications (1)
| Publication Number | Publication Date |
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| CN210124771U true CN210124771U (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821727282.5U Active CN210124771U (en) | 2018-10-24 | 2018-10-24 | Auxiliary electrode positioning device for visual evoked potential examination |
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| Country | Link |
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| CN (1) | CN210124771U (en) |
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- 2018-10-24 CN CN201821727282.5U patent/CN210124771U/en active Active
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