CN116407128B - Adjustable brain electrode fixing band - Google Patents
Adjustable brain electrode fixing band Download PDFInfo
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- CN116407128B CN116407128B CN202310476556.7A CN202310476556A CN116407128B CN 116407128 B CN116407128 B CN 116407128B CN 202310476556 A CN202310476556 A CN 202310476556A CN 116407128 B CN116407128 B CN 116407128B
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- 210000004556 brain Anatomy 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 238000005452 bending Methods 0.000 claims description 51
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 9
- 239000007779 soft material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000007373 indentation Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 210000003128 head Anatomy 0.000 description 54
- 238000005259 measurement Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 239000013013 elastic material Substances 0.000 description 5
- 210000004761 scalp Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008451 emotion Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
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- 241000282414 Homo sapiens Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004958 brain cell Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/251—Means for maintaining electrode contact with the body
- A61B5/256—Wearable electrodes, e.g. having straps or bands
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6831—Straps, bands or harnesses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention relates to the technical field of electrophysiological signal acquisition and discloses an adjustable brain electrode fixing band, which comprises a fixing net, an adjusting band and a mandibular band, wherein the fixing net comprises a plurality of warp bands and a plurality of weft bands, and each intersection point of the warp bands and the weft bands is provided with an electrode mounting mechanism; the adjusting belt comprises an adjusting mechanism, a first fixing belt and a second fixing belt. According to the invention, according to the actual head circumference of a patient, the movable end of the first fixing belt and the movable end of the second fixing belt can drive each warp joint and each weft joint to bend and adjust when moving in the adjusting mechanism, so that the positions of each electrode can be quickly adjusted by adjusting the length of the adjusting belt, the positions of each electrode can be synchronously contracted when each warp joint and each weft joint bend, the sizes of the heads of the patient can be matched, the positions of the electrodes can be conveniently and quickly adjusted, the installation speed of the electrodes is accelerated, and the diagnosis and treatment time is saved.
Description
Technical Field
The invention relates to the technical field of electrophysiological signal acquisition, in particular to an adjustable brain electrode fixing band.
Background
The brain structure is intricate and complex, contains billions of neurons, and has millions of connections, so that the core functions of the brain, such as emotion, emotion and the like, are still unsolved problems to date, are key to overcoming serious diseases of the nervous system which seriously endanger physical and mental health of human beings, provide important basis for developing brain-like computing systems and devices and breaking through the constraint of the traditional computer architecture, and determine the deep development direction of artificial intelligence in the future. Electroencephalogram is a graph obtained by amplifying and recording spontaneous bioelectric potential of brain from scalp by a precise electronic instrument, and is spontaneous and rhythmic electric activity of brain cell group recorded by an electrode.
The measured electroencephalogram varies according to the position of the scalp. Therefore, a doctor or the like attaches an electroencephalogram electrode to a predetermined position of the scalp, and then measures an electroencephalogram. That is, in electroencephalogram measurement, a plurality of electroencephalogram electrodes must be attached to respective predetermined positions of the scalp. The current common brain electrode fixing mode is that after a plurality of independent brain electrodes are coated with conductive adhesive, each brain electrode is positioned and installed in sequence according to an international 10/20 system by manpower;
furthermore, the use of various head devices to position EEG electrodes is still inadequate in the prior art because they cannot be adjusted for head size and shape in a patient population. The conventional approach is to use various specific dimensions to approximate various head sizes and to roughly stretch the cap along the elastic material to more closely match the different head shapes. However, the conventional elastic material mode can only be expanded to a certain extent within the elastic range of the elastic material, and the matching mode of roughly elongating the cap along the elastic material has a small application range due to the limitation of the elastic degree, so that the electroencephalogram measurement requirements of different head sizes of different patients are difficult to adapt; in addition, in the elastic degree range, the tightness of the elastic material can lead to the fact that the comfort degree of a patient cannot be guaranteed, the electroencephalogram measurement time is long, and the accuracy of the electroencephalogram measurement of the patient can be greatly affected by poor comfort degree.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the following technical scheme for solving the technical problems:
an adjustable brain electrode fixation strap, comprising: the device comprises a fixing net, an adjusting belt and a mandibular belt, wherein the adjusting belt is fixed with the edge of the fixing net, the adjusting belt can limit the fixing net to be in a shape matched with the head, two ends of the mandibular belt are respectively fixed with the adjusting belt, and the mandibular belt is used for fixing the fixing net with the head; the fixed net comprises a plurality of connecting belts which are arranged in a crossed manner according to warps and wefts, each intersection point of the connecting belts is provided with an electrode mounting mechanism, and electrodes can be mounted in each electrode mounting mechanism; each connecting belt is divided into a plurality of connecting sections by crossing points on the connecting belt, and a bending mechanism is arranged inside each connecting section; the total length of the adjusting belt can be adjusted, the bending angles of the bending mechanisms are changed simultaneously when the total length of the adjusting belt is adjusted, the bending angles of the connecting sections are also changed simultaneously, and the relative lengths of the connecting belts are also changed simultaneously; the bending mechanism comprises a central guard plate, two side guard plates and an inflation assembly, wherein the inflation assembly can adjust the included angle between the two side guard plates and the central guard plate through inflation and deflation, and adjust the bending angle of the bending mechanism.
Preferably, the adjusting belt comprises an adjusting mechanism, a first fixing belt and a second fixing belt, one end of the first fixing belt and one end of the second fixing belt are fixed, and the movable end of the first fixing belt and the movable end of the second fixing belt can respectively extend into the adjusting mechanism; the edge of the fixed net is fixed with the first fixed belt and the second fixed belt respectively, and the perimeter of the edge of the fixed net can be adjusted by moving the movable end of the first fixed belt and the movable end of the second fixed belt in the adjusting mechanism.
Preferably, the connecting belt is divided into warp belts and weft belts according to the arrangement of warps and wefts, each warp belt comprises a plurality of warp knots, and each weft belt comprises a plurality of weft knots; each bending mechanism is embedded in each warp yarn section and each weft yarn section respectively; when the movable end of the first fixing belt and the movable end of the second fixing belt move in the adjusting mechanism, the bending mechanisms can simultaneously adjust the bending angles of the warp yarn knots or the weft yarn knots at the positions, so that the relative lengths of the warp yarn knots and the weft yarn knots can be adjusted while the perimeter of the edge of the fixing net is adjusted.
Preferably, two side guard plates are respectively arranged on two sides of the central guard plate, the two side guard plates are connected with the central guard plate in a rotating way, torsion springs are respectively arranged between each side guard plate and the central guard plate, the inflation assembly is arranged on one side of each torsion spring, and the inflation assembly and the torsion springs can jointly control the change of an included angle between the side guard plates and the central guard plate.
Preferably, the torsion springs can drive the side guard plates to rotate towards the central guard plate, and the air charging assembly can balance torsion force of the torsion springs after air charging, so that the rotation trend of the side guard plates towards the central guard plate is restrained; when the air content in the inflation assembly is changed, the included angle between the central guard plate and the side guard plates can be changed.
Preferably, the central guard plate and the two side guard plates can be integrally arranged, when the central guard plate and the two side guard plates are integrally arranged, the adopted material is a ductile material with bending recovery, the central guard plate and the two side guard plates are connected through prefabricated indentation or grooving, and the included angle between the central guard plate and each side guard plate is jointly controlled by the inflation assembly and the ductile restoring force between the central guard plate and the side guard plates.
Preferably, the adjusting mechanism comprises a length measuring unit and a bidirectional air pump, wherein the length measuring unit is used for measuring the moving distance of the movable end of the first fixed belt and the movable end of the second fixed belt in the adjusting mechanism; the two-way air pump is connected with the inflation components of the bending mechanisms through pipelines, the pipelines can be hidden inside the warp tapes and the weft tapes, and the two-way air pump can adjust the air content inside the inflation components at the same time.
Preferably, the adjusting mechanism further comprises a controller capable of calculating the circumference of the fixed net edge according to the moving distance of the movable end of the first fixed belt and the movable end of the second fixed belt inside the adjusting mechanism measured by the length measuring unit; the controller can control the start and stop of the bidirectional air pump according to the perimeter of the edge of the fixed net so as to adjust the air content in each inflation assembly.
Preferably, a mounting groove is formed on one side, close to the head, of each warp tape and each weft tape; the electrode template can be in inside dismouting of mounting groove, the electrode template includes a plurality of electrode joint, connection piece and signal connection, the connection piece is inside to be provided with a plurality of strands of connecting wires, every strand the connecting wire can be respectively with connect one between electrode joint and the signal connection.
Preferably, after the electrode template is installed inside the installation groove, a plurality of electrode connectors can be respectively sleeved outside the electrode installation mechanism; the connecting piece is provided with the connecting rib between two adjacent electrode joints, the connecting rib is soft material, the connecting rib can be embedded into each warp section and each weft section's part inside the mounting groove, the connecting rib can be followed each warp section and each weft section synchronous buckling.
Compared with the prior art, the invention provides an adjustable brain electrode fixing band, which has the following beneficial effects:
1. according to the adjustable brain electrode fixing belt, according to the actual head circumference of a patient, the movable end of the first fixing belt and the movable end of the second fixing belt are fed into the adjusting mechanism, so that the length of the adjusting belt is matched with the head circumference of the patient, the circumference of the edge of the fixing net is matched with the head circumference of the patient, meanwhile, as the movable end of the first fixing belt and the movable end of the second fixing belt can drive each warp yarn and each weft yarn to adjust the bending angle when the movable end of the first fixing belt moves in the adjusting mechanism, the relative lengths of each warp yarn and each weft yarn can be adjusted, the relative lengths of each warp yarn and each weft yarn can be shortened in the process of shortening the circumference of the edge of the fixing net to match the head circumference of the patient, the relative lengths of each warp yarn and each weft yarn can be shortened along with the relative lengths of each warp yarn and each weft yarn, the electrodes can be attached to the head of the patient after the adjustment is completed, the electrodes can be quickly attached to the head of the patient, the electrodes can be conveniently adjusted along with the relative lengths of each warp yarn and weft yarn, the electrodes can be quickly contacted with the electrodes, the head can be quickly adjusted along with the relative positions of the electrodes, the head can be conveniently adjusted along with the relative positions of the electrodes, the head can be quickly adjusted along with the electrode, the electrode can be quickly matched with the head positions of the head, and the head can be quickly matched with the head electrode, further reduces the diagnosis and treatment time of the electroencephalogram.
2. This kind of brain electrode fixed band with adjustable through the inside gas content change of inflation component, changes the contained angle between central backplate and the side guard board, with can each warp festival and each weft festival at patient's head surface projection's length through the gas volume adjustment of adjustment mechanism output to each inflation component, and then adjust the relative length of each warp area and each weft area, shrink the position synchronization of each electrode effectively, in order to match the size of patient's head, can convenient and fast adjusts the electrode position, accelerate the installation rate of electrode, practice thrift diagnosis and treat time.
3. According to the adjustable brain electrode fixing belt, under the condition that the adjusting belt is in the most loose state, the electrode template can be disassembled and assembled in the mounting groove, the electrode template is replaced, so that the electrode can be used for each patient at one time, pollution is reduced, the frequency of the whole adjustable brain electrode fixing belt is cleaned, medical staff is convenient to use, a large amount of purchase and cleaning cost is saved, the electrode template is mounted in the mounting groove, a plurality of electrode joints can be sleeved outside the center of the electrode mounting mechanism respectively, the electrode mounting mechanism is provided with a sucker, a connecting sheet and a plurality of electrode joints are made of soft materials, and one electrode joint and a signal joint can be electrically connected through each connecting wire respectively, so that electric signals can be monitored and transmitted; in the use, because the connection piece all is provided with the connecting rib between two adjacent electrode tabs, the connecting rib is soft material, and the connecting rib can imbed inside each warp festival and each weft festival's partial mounting groove, and the connecting rib can be buckled with each warp festival and each weft festival in step for in the use, the electrode template can be adjusted with each warp festival and each weft festival in step, matches patient's head.
Drawings
FIG. 1 is a schematic perspective view of an adjustable brain electrode fixing strap according to the present invention;
FIG. 2 is a schematic cross-sectional view of a warp knuckle, an electrode mounting mechanism and an electrode die plate of the present invention;
FIG. 3 is a schematic perspective view of an electrode mounting mechanism according to the present invention;
FIG. 4 is a schematic cross-sectional view of the weft knuckle and bending mechanism of the present invention;
FIG. 5 is a schematic perspective view of a bending mechanism according to one embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a bending mechanism according to one embodiment of the present invention;
FIG. 7 is a schematic perspective view of another bending mechanism according to the present invention;
FIG. 8 is a schematic cross-sectional view of another embodiment of a bending mechanism according to the present invention;
fig. 9 is a schematic structural view of an electrode module according to the present invention.
In the figure: 1. an adjusting belt; 11. a first fixing strap; 12. a second fixing strap; 2. a mandibular belt; 3. a warp tape; 31. warp yarn sections; 4. weft tape; 41. a weft knuckle; 5. an electrode mounting mechanism; 6. an adjusting mechanism; 61. a length measurement unit; 62. a two-way air pump; 7. a bending mechanism; 71. a central guard board; 72. a side guard plate; 73. an inflation assembly; 74. a torsion spring; 8. an electrode template; 81. an electrode joint; 82. a connecting sheet; 83. a signal connector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As described in the background art, the prior art has shortcomings, and in order to solve the technical problems as described above, the application provides an adjustable brain electrode fixing band.
Referring to fig. 1-9, an adjustable brain electrode fixing band comprises: the device comprises a fixed net, an adjusting belt 1 and a mandibular belt 2, wherein the adjusting belt 1 is fixed with the edge of the fixed net, the adjusting belt 1 can limit the fixed net to be in a shape matched with the head, two ends of the mandibular belt 2 are respectively fixed with the adjusting belt 1, and the mandibular belt 2 is used for fixing the fixed net with the head; the fixed net comprises a plurality of connecting belts which are arranged in a crossed manner according to the arrangement of warps and wefts, each cross point of the connecting belts is provided with an electrode mounting mechanism 5, and electrodes can be mounted in each electrode mounting mechanism 5; each connecting belt is divided into a plurality of connecting sections by the crossing points on the connecting belt, and a bending mechanism 7 is arranged inside each connecting section; the total length of the adjusting belt 1 can be adjusted, the bending angles of the bending mechanisms 7 are changed simultaneously while the total length of the adjusting belt 1 is adjusted, the bending angles of the connecting sections are also changed simultaneously, and the relative lengths of the connecting belts are also changed simultaneously; the bending mechanism 7 comprises a central guard plate 71, two side guard plates 72 and an inflation assembly 73, wherein the inflation assembly 73 can adjust the included angle between the two side guard plates 72 and the central guard plate 71 through inflation and deflation, and the bending angle of the bending mechanism 7 is adjusted.
The adjusting belt 1 comprises an adjusting mechanism 6, a first fixing belt 11 and a second fixing belt 12, wherein one end of the first fixing belt 11 and one end of the second fixing belt 12 are fixed, and the movable end of the first fixing belt 11 and the movable end of the second fixing belt 12 can respectively extend into the adjusting mechanism 6; the edge of the fixed net is fixed with the first fixed belt 11 and the second fixed belt 12 respectively, and the perimeter of the edge of the fixed net can be adjusted by moving the movable end of the first fixed belt 11 and the movable end of the second fixed belt 12 inside the adjusting mechanism 6.
The connecting belt is divided into warp belts 3 and weft belts 4 according to the arrangement of warps and wefts, each warp belt 3 comprises a plurality of warp knots 31, and each weft belt 4 comprises a plurality of weft knots 41; each bending mechanism 7 is respectively embedded in each warp yarn section 31 and each weft yarn section 41; when the movable ends of the first fixing belt 11 and the second fixing belt 12 move inside the adjusting mechanism 6, the bending angles of the warp yarn sections 31 or the weft yarn sections 41 at the positions of the bending mechanisms 7 can be adjusted simultaneously, so that the relative lengths of the warp yarn belts 3 and the weft yarn belts 4 can be adjusted while the circumferences of the edges of the fixing net are adjusted.
When in use, firstly, the movable end of the first fixing belt 11 and the movable end of the second fixing belt 12 are moved to the maximum position in the adjusting mechanism 6, so that the adjustable brain electrode fixing belt 1 formed by the first fixing belt 11 and the second fixing belt 12 is in the most loose state (the perimeter of the largest fixing net edge, that is, the largest patient head circumference capable of carrying out electroencephalogram detection by wearing the adjustable brain electrode fixing belt), then the buckle of the lower jaw belt 2 is opened (the buckle of the lower jaw belt 2 and the setting of the lower jaw belt 2 are the common technical scheme used for fixing in the prior art, specific setting and working principle thereof are not repeated here), then the adjustable brain electrode fixing belt in the most loose state is worn on the head of a patient, firstly, the top end of the fixing net is matched with the top end of the head of the patient, then the movable end of the first fixing belt 11 and the movable end of the second fixing belt 12 are fed into the adjusting mechanism 6 according to the actual head circumference of the patient (the inner part of the adjusting mechanism 6 is provided with the buckle in actual use, so that the buckle is used for feeding the first fixing belt 11 and the second fixing belt 12, the buckle is not required to be matched with the specific fixing belt 12, the length of the movable end of the second fixing belt 12 is not required to be matched with the actual fixing belt 1, the length of the adjustable brain electrode fixing belt is not required to be matched with the actual fixing belt 1, and the length of the movable end of the second fixing belt is limited by the second fixing belt 12 is not required to be matched with the actual fixing belt 1, and the actual fixing belt is required to be the adjustable by the actual length of the fixing belt 1, and the adjustable fixing belt is not required to be matched with the fixing belt 1 is required to be the adjustable to be the fixing belt is required to be in the adjustable. So that the circumference of the edge of the fixing net is matched with the head circumference of the patient, and at the same time, since the movable end of the first fixing belt 11 and the movable end of the second fixing belt 12 can drive the bending angles of each warp yarn section 31 and each weft yarn section 41 to adjust when moving inside the adjusting mechanism 6, the relative lengths of each warp yarn section 3 and each weft yarn section 4 (the lengths of each warp yarn section 3 and each weft yarn section 4 projected on the head surface of the patient) can be shortened to match the head circumference of the patient during the circumference shortening of the edge of the fixing net, the relative lengths of each warp yarn section 3 and each weft yarn section 4 can also be shortened to match the head circumference of the patient, so that the electrodes mounted on the electrode mounting mechanism 5 arranged at each crossing point of the warp yarn section 3 and the weft yarn section 4 (the number and the positions of the crossing points of the warp yarn section 3 and the weft yarn section 4 in actual use are the same as the number and positions of the electrodes required by the international 10/20 system), the relative length of each warp tape 3 and each weft tape 4 can be shortened, the head of a patient can be approached, each electrode can be attached to the head of the patient after the adjustment is completed, the electroencephalogram measurement can be carried out, the position of each electrode can be quickly adjusted by adjusting the length of the adjusting tape 1, so that the position of each electrode can be synchronously contracted while each warp joint 31 and each weft joint 41 are bent, the size of the head of the patient can be matched, the position of the electrode can be conveniently and quickly adjusted, the installation speed of the electrode is accelerated, the diagnosis and treatment time is saved, the electrode can be approached to the head of the patient while the position of each electrode is adjusted, the electrode can be fully contacted with the head of the patient, the probability that the electrode is not contacted with the head is reduced, the efficiency of the medical staff in installing the electrode is quickened, and the diagnosis and treatment time of the electroencephalogram is further reduced.
Referring to fig. 4-8, two side guard plates 72 are respectively disposed at two sides of a central guard plate 71, the two side guard plates 72 are rotationally connected with the central guard plate 71, a torsion spring 74 is disposed between each side guard plate 72 and the central guard plate 71, an inflation assembly 73 is disposed at one side of the torsion spring 74, and the inflation assembly 73 and the torsion spring 74 can jointly control the change of the included angle between the side guard plate 72 and the central guard plate 71.
The torsion springs 74 can drive the side guard plates 72 to rotate towards the central guard plate 71, and the air charging assembly 73 can balance the torsion force of the torsion springs 74 after air charging, so that the rotation trend of the side guard plates 72 towards the central guard plate 71 is restrained; the angle between the center shield 71 and the side shields 72 can be changed when the air content within the inflation assembly 73 is changed.
The central guard plate 71 and the two side guard plates 72 can be integrally arranged, when the central guard plate 71 and the two side guard plates 72 are integrally arranged, the adopted material is a ductile material with bending recovery, the central guard plate 71 and the two side guard plates 72 are connected through prefabricated indentation or cutting, and the included angle between the central guard plate 71 and each side guard plate 72 is jointly controlled by the inflation assembly 73 and the ductile restoring force between the central guard plate 71 and the side guard plates 72.
In use, the length of projection of each warp yarn section 31 and each weft yarn section 41 on the head surface of a patient is adjusted through the bending mechanism 7, and then the relative lengths of each warp yarn belt 3 and each weft yarn belt 4 are adjusted, when the adjusting mechanism 6 detects the movement of the movable end of the first fixing belt 11 and the movable end of the second fixing belt 12 in the adjusting mechanism 6, the air supply can be carried out to the inside of the air charging assembly 73 (the air charging assembly 73 is a structure capable of expanding or shrinking according to the air content (under normal temperature and one atmosphere pressure) according to the exposed length of the fixing net edge) according to the exposed length of the adjusting belt 1 (namely, the length of the circumference of the fixing net edge), so that the included angle between the center guard 71 and the side guard 72 can be changed through the air content change of the air charging assembly 73 when the bending mechanism 7 is configured as a combination of the center guard 71, the two side guards 72, the air charging assembly 73 and the torsion springs 74, the rotation of the side guard 72 to the center guard 71 is restrained, and the air content change in the inside of the air charging assembly 73 is changed; when the bending mechanism 7 is configured into the central guard plate 71, the two side guard plates 72 and the air charging assembly 73, and the central guard plate 71 and the two side guard plates 72 are integrally arranged, the air charging assembly 73 balances the toughness restoring force of the central guard plate 71 and the two side guard plates 72 integrally arranged, rotation of the side guard plates 72 to the central guard plate 71 is restrained, the included angle between the central guard plate 71 and the side guard plates 72 is changed through the change of the air content in the air charging assembly 73, so that the projected length of each warp yarn section 31 and each weft yarn section 41 on the surface of the head of a patient can be adjusted through the air content output to each air charging assembly 73 by the adjusting mechanism 6, the relative length of each warp yarn belt 3 and each weft yarn belt 4 is adjusted, the positions of each electrode are effectively and synchronously contracted, the positions of the electrodes can be conveniently and rapidly adjusted, the installation speed of the electrodes is accelerated, and diagnosis and treatment time is saved.
Referring to fig. 1, the adjusting mechanism 6 includes a length measuring unit 61 and a bidirectional air pump 62, wherein the length measuring unit 61 is used for measuring the moving distance of the movable end of the first fixing strap 11 and the movable end of the second fixing strap 12 inside the adjusting mechanism 6; the two-way air pump 62 is connected with the air inflation assemblies 73 of the bending mechanisms 7 through pipelines, the pipelines can be hidden inside the warp tapes 3 and the weft tapes 4, and the two-way air pump 62 can adjust the air content inside the air inflation assemblies 73 at the same time.
The adjusting mechanism 6 further comprises a controller, and the controller can calculate the perimeter of the edge of the fixed net according to the moving distance of the movable end of the first fixed belt 11 and the movable end of the second fixed belt 12 in the adjusting mechanism 6, which are measured by the length measuring unit; the controller can control the start and stop of the bi-directional air pump 62 according to the perimeter of the edge of the fixed mesh to adjust the air content within each inflation assembly 73.
In use, the length measuring unit 61 may be a measuring instrument capable of measuring length change, such as a laser length meter, by measuring the moving distance of the moving end of the first fixing strap 11 and the moving end of the second fixing strap 12 in the adjusting mechanism 6, the controller can calculate according to the moving distance of the moving end in the adjusting mechanism 6 and the length of the adjusting strap 1 in the most loose state, obtain the perimeter of the current fixing net edge, and then control the start and stop of the bidirectional air pump 62 according to the perimeter of the fixing net edge, and through the bidirectional air pump 62 and the inflation assembly 73 of each bending mechanism 7, the air content in each inflation assembly 73 is adjusted by hiding the pipeline in each warp strap 3 and each weft strap 4, so as to adjust the projected length of each warp strap 31 and each weft strap 41 on the surface of the head of the patient, and further adjust the relative lengths of each warp strap 3 and each weft strap 4.
Further, referring to fig. 1, 2 and 9, a mounting groove is formed on one side of each warp tape 3 and each weft tape 4 near the head; the electrode template 8 can be assembled and disassembled in the mounting groove, the electrode template 8 comprises a plurality of electrode joints 81, connecting pieces 82 and signal joints 83, a plurality of connecting wires are arranged in the connecting pieces 82, and each connecting wire can be connected between one electrode joint 81 and one signal joint 83.
After the electrode template 8 is arranged in the mounting groove, a plurality of electrode joints 81 can be respectively sleeved outside the electrode mounting mechanism 5; the connecting piece 82 is provided with connecting ribs between two adjacent electrode tabs 81, the connecting ribs are made of soft materials, the connecting ribs can be embedded into part of the mounting grooves of each warp yarn section 31 and each weft yarn section 41, and the connecting ribs can be synchronously bent along with each warp yarn section 31 and each weft yarn section 41.
The electrode template 8 and the adjusting belt 1 are in the most loose state, the mounting grooves are formed in one side, close to the head, of each warp belt 3 and each weft belt 4, of each warp belt are matched, in addition, in the most loose state of the adjusting belt 1, the electrode template 8 can be disassembled and assembled in the mounting grooves, the electrode template 8 is replaced, so that the electrode can be used for each patient at one time, the frequency of polluting and cleaning the whole adjustable brain electrode fixing belt is reduced, medical staff is convenient to use, a large amount of purchase and cleaning cost is saved, in the process of mounting the electrode template 8 in the mounting grooves, a plurality of electrode joints 81 can be sleeved outside the center of the electrode mounting mechanism 5 respectively, the electrode mounting mechanism 5 is provided with sucking discs, connecting sheets 82 and a plurality of electrode joints 81 are made of soft materials, and one electrode joint 81 and a signal joint 83 can be electrically connected through each connecting wire respectively, so that electric signals can be monitored and transmitted; in the use, because the connection piece 82 all is provided with the connecting rib between two adjacent electrode tabs 81, the connecting rib is soft material, and the connecting rib can be embedded into the inside of each warp section 31 and each weft section 41's partial mounting groove, and the connecting rib can be buckled along with each warp section 31 and each weft section 41 in step for in the use, electrode template 8 can be adjusted with each warp section 31 and each weft section 41 in step, matches patient's head.
Working principle:
when in use, the movable end of the first fixing belt 11 and the movable end of the second fixing belt 12 are firstly moved to the maximum position in the adjusting mechanism 6, so that the adjusting belt 1 formed by the first fixing belt 11 and the second fixing belt 12 is in the most loose state; the electrode template 8 can be disassembled and assembled in the mounting groove, and the electrode template 8 is replaced, so that the electrode can be used for each patient at one time, the frequency of pollution and cleaning of the whole adjustable brain electrode fixing belt is reduced, the use of medical staff is facilitated, and a large amount of purchase and cleaning cost is saved;
the adjustable brain electrode fixing band in the most loose state is worn on the head of a patient, firstly, the top end of the fixing band is matched with the top end of the head of the patient through adjustment, then the movable end of the first fixing band 11 and the movable end of the second fixing band 12 are fed into the adjusting mechanism 6 according to the actual head circumference of the patient, so that the length of the adjusting band 1 is matched with the head circumference of the patient, the circumference of the edge of the fixing band is matched with the circumference of the head circumference of the patient, meanwhile, when the movable end of the first fixing band 11 and the movable end of the second fixing band 12 move in the adjusting mechanism 6, the length measuring unit 61 measures the moving distance of the movable end of the first fixing band 11 and the movable end of the second fixing band 12 in the adjusting mechanism 6, and the controller can obtain the circumference of the edge of the current fixing band according to the moving distance of the interaction end in the adjusting mechanism 6 and the length of the adjusting band 1 in the most loose state, and then can control the starting and stopping of the bidirectional air pump 62 according to the circumference of the edge of the fixing band;
the air content in each air inflation assembly 73 is adjusted by hiding the pipelines in each warp tape 3 and each weft tape 4 between the bidirectional air pump 62 and the air inflation assembly 73 of each bending mechanism 7, so that when the bending mechanism 7 is configured as a combination of the central guard plate 71, two side guard plates 72, the air inflation assembly 73 and the torsion springs 74, the air inflation assembly 73 balances the torsion forces of the torsion springs 74, suppresses the rotation of the side guard plates 72 to the central guard plate 71, and changes the included angle between the central guard plate 71 and the side guard plates 72 by changing the air content in the air inflation assembly 73; when the bending mechanism 7 is configured as a central guard plate 71, two side guard plates 72 and an inflation assembly 73, and the central guard plate 71 and the two side guard plates 72 are integrally arranged, the inflation assembly 73 balances the toughness restoring force of the central guard plate 71 and the two side guard plates 72 which are integrally arranged, suppresses the rotation of the side guard plates 72 to the central guard plate 71, changes the included angle between the central guard plate 71 and the side guard plates 72 through the change of the air content in the inflation assembly 73, so that the projected lengths of each warp yarn section 31 and each weft yarn section 41 on the head surface of a patient can be adjusted through the air content output by the adjusting mechanism 6, and the relative lengths of each warp yarn belt 3 and each weft yarn belt 4 are further adjusted;
meanwhile, as the connecting ribs are arranged between the two adjacent electrode joints 81 and are made of soft materials, the connecting ribs can be embedded into part of the mounting grooves of each warp joint 31 and each weft joint 41 and can be synchronously bent along with each warp joint 31 and each weft joint 41, so that in the use process, the electrode template 8 can be synchronously adjusted with each warp joint 31 and each weft joint 41, the positions of each electrode can be effectively synchronously contracted, the sizes of the heads of patients can be matched, after the adjustment is finished, each electrode can be attached to the heads of the patients, one electrode joint 81 and one signal joint 83 can be respectively electrically connected through each connecting wire, so that the electroencephalogram of the patients can be monitored and transmitted to measure.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An adjustable brain electrode fixation strap, comprising: the device comprises a fixed net, an adjusting belt (1) and a mandibular belt (2), wherein the adjusting belt (1) is fixed with the edge of the fixed net, the adjusting belt (1) can limit the fixed net to be matched with the head, two ends of the mandibular belt (2) are respectively fixed with the adjusting belt (1), and the mandibular belt (2) is used for fixing the fixed net with the head;
the fixed net comprises a plurality of connecting belts which are arranged in a crossed manner according to the arrangement of warps and wefts, each cross point of the connecting belts is provided with an electrode mounting mechanism (5), and electrodes can be mounted in each electrode mounting mechanism (5);
each connecting belt is divided into a plurality of connecting sections by crossing points on the connecting belt, and a bending mechanism (7) is arranged inside each connecting section;
the total length of the adjusting belt (1) can be adjusted, the bending angles of the bending mechanisms (7) are changed simultaneously while the total length of the adjusting belt (1) is adjusted, the bending angles of the connecting sections are also changed simultaneously, and the relative lengths of the connecting belts are also changed along with the changes;
the bending mechanism (7) comprises a central guard plate (71), two side guard plates (72) and an inflation assembly (73), wherein the inflation assembly (73) can adjust the included angle between the two side guard plates (72) and the central guard plate (71) through inflation and deflation, and the bending angle of the bending mechanism (7) is adjusted.
2. An adjustable brain electrode fixing strap according to claim 1, wherein: the adjusting belt (1) comprises an adjusting mechanism (6), a first fixing belt (11) and a second fixing belt (12), one end of the first fixing belt (11) and one end of the second fixing belt (12) are fixed, and the movable end of the first fixing belt (11) and the movable end of the second fixing belt (12) can respectively extend into the adjusting mechanism (6);
the edge of the fixed net is fixed with the first fixed belt (11) and the second fixed belt (12) respectively, and the perimeter of the edge of the fixed net can be adjusted by moving the movable end of the first fixed belt (11) and the movable end of the second fixed belt (12) in the adjusting mechanism (6).
3. An adjustable brain electrode fixing strap according to claim 2, wherein: the connecting belt is divided into warp belts (3) and weft belts (4) according to the arrangement of warps and wefts, each warp belt (3) comprises a plurality of warp knots (31), and each weft belt (4) comprises a plurality of weft knots (41);
the bending mechanisms (7) are respectively embedded in the warp yarn knots (31) and the weft yarn knots (41);
when the movable end of the first fixing belt (11) and the movable end of the second fixing belt (12) move in the adjusting mechanism (6), the bending mechanisms (7) can simultaneously adjust the bending angles of the warp yarn sections (31) or the weft yarn sections (41) at the positions, so that the relative lengths of the warp yarn belts (3) and the weft yarn belts (4) can be adjusted while the circumferences of the edges of the fixing net are adjusted.
4. An adjustable brain electrode fixing strap according to claim 3, wherein: two side guard plates (72) are respectively arranged at two sides of the central guard plate (71), the two side guard plates (72) are rotationally connected with the central guard plate (71), torsion springs (74) are respectively arranged between each side guard plate (72) and the central guard plate (71), and the inflation assembly (83)
The side protection plate is arranged on one side of the torsion spring (74), and the air charging assembly (73) and the torsion spring (74) can jointly control the change of an included angle between the side protection plate (72) and the central protection plate (71).
5. An adjustable brain electrode fixing strap according to claim 4, wherein: the torsion springs (74) can drive the side guard plates (72) to rotate towards the central guard plate (71), the air inflation assembly (73) can balance torsion force of the torsion springs (74) after air inflation, and the rotation trend of the side guard plates (72) towards the central guard plate (71) is restrained;
the angle between the center guard (71) and the side guard (72) can be varied when the air content in the air charging assembly (73) is varied.
6. An adjustable brain electrode fixing strap according to claim 4, wherein: the central guard plate (71) and the two side guard plates (72) can be integrally arranged, when the central guard plate (71) and the two side guard plates (72) are integrally arranged, the adopted material is a ductile material with bending recovery, the central guard plate (71) and the two side guard plates (72) are connected through prefabricated indentation or grooving, and the included angle between the central guard plate (71) and each side guard plate (72) is jointly controlled by the ductile restoring force between the inflation assembly (73) and the central guard plate (71) and the side guard plates (72).
7. An adjustable brain electrode fixing strap according to claim 4, wherein: the adjusting mechanism (6) comprises a length measuring unit (61) and a bidirectional air pump (62), wherein the length measuring unit (61) is used for measuring the moving distance of the movable end of the first fixed belt (11) and the movable end of the second fixed belt (12) in the adjusting mechanism (6);
the two-way air pump (62) is connected with the inflation assemblies (73) of the bending mechanisms (7) through pipelines, the pipelines can be hidden inside the warp tapes (3) and the weft tapes (4), and the two-way air pump (62) can adjust the air content inside the inflation assemblies (73) at the same time.
8. An adjustable brain electrode fixing strap according to claim 7, wherein: the adjusting mechanism (6) further comprises a controller, and the controller can calculate the perimeter of the edge of the fixed net according to the moving distance of the movable end of the first fixed belt (11) and the movable end of the second fixed belt (12) in the adjusting mechanism (6) measured by the length measuring unit;
the controller can control the start and stop of the bidirectional air pump (62) according to the perimeter of the edge of the fixed net so as to adjust the air content in each air inflation assembly (73).
9. An adjustable brain electrode fixing strap according to claim 3, wherein: the warp tapes (3) and the weft tapes (4) are provided with mounting grooves at one side close to the head;
electrode template (8) can be in inside dismouting of mounting groove, electrode template (8) include a plurality of electrode joint (81), connection piece (82) and signal connection (83), connection piece (82) inside is provided with a plurality of strands of connecting wires, every strand the connecting wire can be respectively with one connect between electrode joint (81) and signal connection (83).
10. An adjustable brain electrode fixing strap according to claim 9, wherein: after the electrode templates (8) are arranged in the mounting grooves, a plurality of electrode joints (81) can be respectively sleeved outside the electrode mounting mechanisms (5);
the connecting piece (82) is provided with connecting ribs between two adjacent electrode joints (81), the connecting ribs are made of soft materials, the connecting ribs can be embedded into the warp yarn sections (31) and the weft yarn sections (41) respectively, and the connecting ribs can be synchronously bent along with the warp yarn sections (31) and the weft yarn sections (41).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310476556.7A CN116407128B (en) | 2023-04-28 | 2023-04-28 | Adjustable brain electrode fixing band |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310476556.7A CN116407128B (en) | 2023-04-28 | 2023-04-28 | Adjustable brain electrode fixing band |
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| CN116407128A CN116407128A (en) | 2023-07-11 |
| CN116407128B true CN116407128B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310476556.7A Active CN116407128B (en) | 2023-04-28 | 2023-04-28 | Adjustable brain electrode fixing band |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203914913U (en) * | 2014-04-09 | 2014-11-05 | 上海交通大学 | Dry electrode brain electricity cap |
| CN105342603A (en) * | 2014-11-19 | 2016-02-24 | 群蕴科技股份有限公司 | Inflatable brain wave measuring device |
| CN211460212U (en) * | 2019-12-11 | 2020-09-11 | 湖南省儿童医院 | Anti-drop cap for electroencephalogram monitoring electrode |
| CN112914832A (en) * | 2021-03-08 | 2021-06-08 | 郑州大学第一附属医院 | Thyroid gland postoperative nursing belt |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5719725B2 (en) * | 2011-08-29 | 2015-05-20 | 住友理工株式会社 | Cushion cell and cushion body using the same |
| EP3986268A4 (en) * | 2019-06-18 | 2023-11-01 | Eeg-Sense Ltd. | Method and system for measuring eeg signals |
-
2023
- 2023-04-28 CN CN202310476556.7A patent/CN116407128B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203914913U (en) * | 2014-04-09 | 2014-11-05 | 上海交通大学 | Dry electrode brain electricity cap |
| CN105342603A (en) * | 2014-11-19 | 2016-02-24 | 群蕴科技股份有限公司 | Inflatable brain wave measuring device |
| CN211460212U (en) * | 2019-12-11 | 2020-09-11 | 湖南省儿童医院 | Anti-drop cap for electroencephalogram monitoring electrode |
| CN112914832A (en) * | 2021-03-08 | 2021-06-08 | 郑州大学第一附属医院 | Thyroid gland postoperative nursing belt |
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| Publication number | Publication date |
|---|---|
| CN116407128A (en) | 2023-07-11 |
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