CN110638418A - Vertigo symptom differential diagnosis system - Google Patents
Vertigo symptom differential diagnosis system Download PDFInfo
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- CN110638418A CN110638418A CN201810674709.8A CN201810674709A CN110638418A CN 110638418 A CN110638418 A CN 110638418A CN 201810674709 A CN201810674709 A CN 201810674709A CN 110638418 A CN110638418 A CN 110638418A
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- 208000024891 symptom Diseases 0.000 title claims abstract description 24
- 238000003748 differential diagnosis Methods 0.000 title claims abstract description 18
- 210000003128 head Anatomy 0.000 claims description 120
- 239000002184 metal Substances 0.000 claims description 85
- 229910052751 metal Inorganic materials 0.000 claims description 85
- 210000001508 eye Anatomy 0.000 claims description 43
- 210000001061 forehead Anatomy 0.000 claims description 31
- 210000001747 pupil Anatomy 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 25
- 210000001202 rhombencephalon Anatomy 0.000 claims description 18
- 230000004886 head movement Effects 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 16
- 230000000007 visual effect Effects 0.000 claims description 10
- 230000001447 compensatory effect Effects 0.000 claims description 6
- 230000004434 saccadic eye movement Effects 0.000 claims description 6
- 238000003745 diagnosis Methods 0.000 claims description 5
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- 229910052710 silicon Inorganic materials 0.000 claims description 4
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- 210000004709 eyebrow Anatomy 0.000 claims description 3
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- 230000008447 perception Effects 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 2
- 208000010727 head pressing Diseases 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000003902 lesion Effects 0.000 abstract description 3
- 230000001720 vestibular Effects 0.000 abstract description 3
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- 241000287181 Sturnus vulgaris Species 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
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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
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4005—Detecting, measuring or recording for evaluating the nervous system for evaluating the sensory system
- A61B5/4023—Evaluating sense of balance
Abstract
The invention belongs to the technical field of medical equipment, and provides a vertigo symptom differential diagnosis system which has strong practicability, high automation degree, low requirement on an operator and higher accurate differential diagnosis on etiology of vertigo patients, particularly vestibular lesion patients.
Description
Technical Field
The invention belongs to the technical field of medical equipment and equipment, and relates to a vertigo symptom differential diagnosis system.
Background
The vertigo symptom is one of the common symptoms in clinical medicine, the incidence rate is about 20-30%, and the vertigo symptom is atypical and relates to multiple disciplines such as neurology, otorhinolaryngology, ophthalmology and the like, so that the accurate identification and diagnosis of the causes of vertigo caused by the vertigo are difficult in clinical medical work.
In recent years, the head pulse test belongs to bedside examination, when a patient stares at a fixed target point in front of the body, an operator carries out sudden, rapid and passive head impact motions on the horizontal position and the vertical position of the head of the patient respectively, whether high-frequency functions of 6 semicircular tubes of the patient are damaged or not is judged by measuring and analyzing vestibular-ocular reflex gain values and compensatory saccade results of the patient, and quantitative analysis can be carried out on the damage, so that the cause of vertigo can be accurately identified and diagnosed, the head pulse test examination technology is widely applied abroad, but the existing head pulse test examination has high requirements on the operator, and the specialized operator needs to manually train the operator at an angular speed of 150 degrees to 200 degrees/s, The amplitude of 10-20 degrees applies pulse swing motion for more than 20 times to the horizontal position and the vertical position of the head of the patient respectively, the detection result is preferably influenced by human factors such as the force application position of an operator on the head of the patient, the force application size, the rotation rate size, habits of different operators and the like, so that the detection deviation and even the detection error of a head pulse test occur, the head pulse test detection of each time needs to swing the head of the patient for at least more than 60 times, and the working intensity of the operator is very high every day; in the head pulse test process, an operator needs to continuously remind the patient of staring at a fixed target point in front of the body through voice, and the head pulse test is very boring; in addition, the existing pupil tracking of the head pulse test usually adopts a bandage fixed type eye movement measuring glasses, the measuring glasses slide due to the loose bandage in the process of head swing of a patient, inaccurate pupil tracking is caused, accordingly, inaccurate detection of the head pulse test is caused, misjudgment on vertigo causes is caused, the measuring glasses adopt a single-side measuring mode only for the right eye of one eye, only pupil change of the right eye of one eye is tracked and measured, and the head pulse test detection cannot be carried out on the patient with the problem of the right eye of one eye.
In order to improve the accuracy of clinical vertigo symptom differential diagnosis and overcome the defects of the existing head pulse test detection technology, the medical clinical vertigo symptom differential diagnosis system which is strong in practicability, high in automation degree and low in requirement on operators is developed, and has important medical clinical application value and good social benefit.
Disclosure of Invention
Aiming at the clinical medical requirements on vertigo symptom differential diagnosis and the problems of the existing head pulse test in vertigo symptom detection, the invention provides the vertigo symptom differential diagnosis system which has strong practicability, high automation degree, low requirement on operators and higher accurate differential diagnosis on vertigo patients, particularly etiology of vestibular lesion patients.
The technical scheme adopted by the invention is that the vertigo symptom identification diagnosis system comprises an electric head swinging device 1, a head fixer 2, an eye pupil video recorder 3, a computer system 4, a visual target 5 and a head movement perception sensor 6, wherein the electric head swinging device 1 comprises a horizontal position rotator 11, a vertical position rotator 12, a П -shaped metal rotating frame 13, a head swinging controller 14 and a reversed L-shaped metal supporting frame 15, the horizontal position rotator 11 comprises a stepping motor, a shaft connector, a fastener and a stepping motor electric interface, the tail fixed end of the stepping motor is positioned near the middle position of the top of the transverse beam of the П -shaped metal rotating frame 13 and is hung on a horizontal rod of a reversed L-shaped metal rod 153 of a reversed L-shaped metal supporting frame 15, the horizontal position rotator 15 comprises a reversed L-shaped metal rod 153, a hollow metal vertical rod 152, a fastening knob 151 and a ground supporting chassis 154, the vertical rod of the vertical rod 153 is positioned in a top sleeve of the hollow metal rod 152 of the hollow metal supporting frame 152, the vertical rod 152 can be fastened in the top sleeve of the metal rod 152, the vertical rod of the vertical rod 153, the vertical rod is fixedly connected with the horizontal rod 13 through a horizontal through vertical connector of a horizontal through vertical connector, the horizontal connector of a horizontal connector, the vertical connector, the horizontal connector of a horizontal connector, the vertical connector of a vertical connector, the vertical connector is connected with the vertical connector of a horizontal connector of a vertical connector of a horizontal connector, the vertical connector is connected with a horizontal connector, the vertical connector of a vertical connector, the vertical connector is connected with a vertical connector, the vertical connector is connected with a vertical connector, the vertical connector is connected with the vertical connector, the vertical connector is connected with the vertical connector, the vertical connector.
The head fixator 2 comprises a head top pressing cap 21, a forehead fastener 22, a hindbrain fastener 23, a chin fastening belt 24 and a connecting rod 25, wherein the head top pressing cap 21 is a semi-elliptical metal cover capable of covering the top of a human head, the head top pressing cap is covered at the head top of the human with an opening downwards, the top of the head top pressing cap 21 is fixed or welded with an oblique beam extending forwards through the fastener, and the top end of the oblique beam is provided with an O-shaped notch which is connected with an O-shaped through hole at the top end of a push rod of the electric push rod 121 through a pin to form a hinge; the left side and the right side of the head top pressing cap 21 relative to the head of a person are respectively riveted or welded with a connecting rod 25, the afterbrain fastener 23 is a concave metal body capable of covering the afterbrain scoop of the person, the opening is covered on the afterbrain of the person opposite to the afterbrain direction, the afterbrain fastener 23 is also respectively provided with a linear metal square handle relative to the left side and the right side of the head of the person, the side surface of the linear metal square handle is respectively provided with a threaded hole and a square tongue with a through hole groove, a fastening bolt 251 penetrates through the through hole groove on the connecting rod 25 to extend into the threaded hole on the linear metal square handle on the afterbrain fastener 23 and is rotationally fastened, the afterbrain fastener 23 is fixedly connected with the head top pressing cap 21 into a whole, the square tongue with the through hole groove on the afterbrain fastener 23 can extend into the square inner notch 221 of the forehead fastener 22, the threaded hole or the nut is welded on the outer wall of the square inner notch 221 of the forehead fastener 22, and the T-shaped bolt 222 is aligned with the The forehead fastening device 22 is fixed with the hindbrain fastening device 23 and the forehead fastening device 22 into a whole, chin fastening belts 24 are fixed or riveted on the left side and the right side of the position, corresponding to the temple of the human body, of the forehead fastening device 22 through a fixer, the chin fastening belts 24 are belt-shaped bodies made of soft materials, connecting pieces 241 are arranged at joints at two ends of the belt-shaped bodies of the chin fastening belts 24, the connecting pieces 241 are made of buttons or magic tapes, and therefore the human body face from the chin to the lower portion of the forehead fastening device 22 can be surrounded by the belt-shaped bodies of the chin fastening belts 24 in a circle.
The eye pupil video recorder 3 comprises two micro infrared cameras 31, two infrared low pass filters 32, two sets of filter fasteners 33 and two elastic metal rods 34, wherein the two infrared low pass filters 32 are placed in front of left and right eyes of a human body through the respective filter fasteners 33 and the elastic metal rods 34, the tail parts of the elastic metal rods 34 are fastened or welded at the central positions of the forehead fasteners 22 relative to the upper parts of eyebrows of the left and right eyes of the human body, the distance between the infrared low pass filters 32 and pupils of the eyes of the human body and the angle between the infrared low pass filters and the micro infrared cameras 31 are adjusted by bending the elastic metal rods 34, the two micro infrared cameras 31 are respectively arranged near the positions of the forehead fasteners 22 relative to the outer canthus of the left and right eyes of the human body through fasteners or screws, and the lenses of the micro infrared cameras 31 point to the central direction, the micro infrared camera 31 can shoot the pupil image of the human eye reflected on the infrared light low pass filter 32 by adjusting the curve and the straight of the elastic metal rod 34.
The computer system 4 comprises an I/O control card, a printer, a loudspeaker, system control software, video acquisition software and data processing software, wherein an output interface of the I/O control card is connected with an input interface of the head throwing controller 14 through a connecting cable, the I/O control card is controlled by the system control software of the computer system 4, so that the electric head throwing device 1 respectively applies pulse head throwing motions for more than 20 times to the horizontal position and the vertical position of the head of a patient, the video acquisition software of the computer system 4 is used for synchronously recording the motion angular speeds of the pupil and the head of the eye of the patient in the pulse head throwing motion process, the head which does not meet the requirements can be screened out by the video acquisition software, and the loudspeaker in the computer system 4 sends out sound to remind the patient to stare at a fixed target point on the front sight target 5, and the data processing software of the computer system 4 is used for calculating 6, And 3 corresponding asymmetric value mean values, asymmetric coefficients at two sides, appearance probability of physiological compensatory saccades, latency, peak speed and other results are generated into a detection report, and the detection report is printed by a printer of the computer system 4.
Look target 5 include the iron flat board, take dark colour cake form magnetism target, look target 5 fixed place in the place ahead that faces the patient, take dark colour cake form magnetism target to utilize magnetic force effect absorption on with patient's eyes parallel and level iron flat board.
The head movement sensor 6 adopts a double-shaft silicon micro gyroscope and is fixed on a forehead fastener 22 of the head fixer 2 by glue or screws, and an input/output electrical interface of the head movement sensor 6 is connected with an electrical interface of an I/O control card on the computer system 4 through a connecting cable.
The working process of the vertigo symptom differential diagnosis system comprises the following steps:
a patient sits on a stool below a head fixer 2 in a sitting position, looks at a deep-colored disc-shaped magnetic target fixing point on a target 5 at a position 1.5m ahead, adjusts the height of an inverted-L-shaped metal support frame 15, places structural bodies such as a head top pressing cap 21, a forehead fastener 22, a hindbrain fastener 23, a chin fastener 24 and the like in the head fixer 2 at corresponding positions of the head of the patient respectively to firmly fix the head of the patient in the head fixer 2, starts a computer system 4 and operates control software, so that the electric swing head device 1 applies pulse swing head movements to the horizontal position and the vertical position of the head of the patient for more than 20 times at 150-200-s angular speed and 10-20-degree amplitude respectively, synchronously records the movement angular speeds of the pupils and the head of the eyes of the patient in the pulse swing head movement process by using video acquisition software of the computer system 4, and sends out sound to remind the patient by using a loudspeaker in the computer system 4 Staring at the fixed target point on the front sight target 5, calculating results such as 6 semicircular gain values, 3 corresponding asymmetric value mean values, asymmetric coefficients at two sides, appearance probability of physiological compensatory saccades, latency and peak speed and the like by using data processing software of the computer system 4 to generate a detection report, and printing the detection report by using a printer of the computer system 4.
The electric head swinging device is used for replacing manual head swinging operation of an operator on a patient, the problem that detection deviation and even detection errors occur due to the fact that detection results in the existing vertigo symptom detection are influenced by human factors such as force application positions, force application sizes and rotation rates of the operator on the head of the patient and habits of different operators is solved, the operator is liberated from the whole detection process, the requirement on the operator is lowered, and the working intensity of the operator every day is greatly lowered; the scheme utilizes a mode of rigidly mounting the eye pupil video recording device on the head fixer, and solves the problem that inaccurate pupil tracking is caused by sliding of bandage-fixed eye movement measurement glasses due to the loose bandage, so that misjudgment is caused to dizziness etiology in the existing pupil tracking; the eye pupil video recorder provided by the scheme is provided with two sets of eye pupil video recording devices, so that the left eye or the right eye of a patient can be detected according to needs, and the problem that the patient with the problem of single eye and right eye cannot carry out head pulse test detection by only tracking and measuring the pupil change of one eyeball and the right eye in the prior art is solved.
The vertigo symptom differential diagnosis system has strong practicability, high automation degree, low requirement on operators and higher accurate differential diagnosis on the etiology of vertigo patients, particularly vestibular lesion patients, and has important medical clinical application value and good social benefit.
Drawings
The drawings, which are not necessarily to scale, depict only some embodiments in accordance with the disclosure and are not intended to limit the scope thereof.
FIG. 1 is a schematic diagram of the system of the present invention.
FIG. 2 is a schematic diagram of the system components and main structure of the present invention.
Description of reference numerals:
in the figure, 1, an electric head swinging device, 2, a head fixer, 3, an eye pupil video recorder, 4, a computer system, 5, a visual target, 6, a head movement sensing sensor, 11, a horizontal rotator, 12, a vertical rotator, 13, П -shaped metal rotating frames, 14, a head swinging controller, 15, a reversed L-shaped metal supporting frame, 21, a head top pressing cap, 22, a forehead fastener, 23, a hindbrain fastener, 24, a chin fastening belt, 25, a connecting rod, 31, a miniature infrared camera, 32, an infrared low-pass filter, 33, a filter fastener, 34, an elastic metal rod, 121, an electric push rod, 122, a metal cross beam, 151, a fastening knob, 152, a hollow metal vertical rod, 153, a reversed L-shaped metal rod, 154, a ground supporting chassis, 211, an O-shaped notch, 221, a square inner notch, 222, a T-shaped bolt, 241, a connecting piece, 251 and a fastening bolt.
Detailed Description
The present invention will be described in further detail with reference to the drawings and the detailed description.
As shown in FIGS. 1 and 2, a vertigo symptom identification and diagnosis system comprises an electric swing head device 1, a head holder 2, an eye pupil video recorder 3, a computer system 4, a visual target 5, a head movement sensor 6, wherein the electric swing head device 1 comprises a horizontal position rotator 11, a vertical position rotator 12, a П -shaped metal rotating frame 13, a swing head controller 14, a T-shaped metal support frame 15, the horizontal position rotator 11 comprises a stepping motor, a coupler, a fastener and a stepping motor electrical interface, the stepping motor adopts a two-phase hybrid stepping motor with large output torque, good dynamic performance and small stepping angle, for example, a Bt 86G 156 stepping motor with maximum torque of 12N.m and a stepping angle of 1.8 degrees, the tail of the stepping motor is located near the middle position of the top of a T-shaped metal rotating frame 13 of a vertical C-shaped metal rotating frame 13, the push rod is connected to a vertical C-shaped metal rotating frame 120 through a vertical C-shaped metal rotating through a vertical C connector 121, a push rod 21, a vertical C-shaped metal rotating connector 150, a vertical C connector 7, a vertical position connector 7, a vertical C-shaped metal rotating frame 2, a vertical C connector 7, a vertical position connector, a vertical wire connector, a vertical wire connector;
the head fixator 2 comprises a head top pressing cap 21, a forehead fastener 22, a hindbrain fastener 23, a chin fastening belt 24 and a connecting rod 25, wherein the head top pressing cap 21 is a semi-elliptical metal cover capable of covering the top of a human head, the head top pressing cap is covered at the head top of the human with an opening facing downwards, an oblique beam extending forwards is fixed at the top of the head top pressing cap 21 through the fastener, and an O-shaped notch is formed in the top end of the oblique beam and is connected with an O-shaped through hole at the top end of a push rod of the electric push rod 121 through a pin to form a hinge; the head top pressing cap 21 is riveted with a connecting rod 25 respectively at the left side and the right side of the head relative to the human head, the afterbrain fastener 23 is a concave metal body capable of covering the afterbrain of the human head, the opening is covered at the afterbrain of the human head opposite to the afterbrain direction, the afterbrain fastener 23 is also provided with a linear metal square handle respectively at the left side and the right side of the head relative to the human body, the side of the linear metal square handle is provided with a threaded hole and a square tongue with a through hole groove respectively, a fastening bolt 251 passes through the through hole groove on the connecting rod 25 and extends into the threaded hole on the linear metal square handle on the afterbrain fastener 23 and is rotationally fastened, the afterbrain fastener 23 and the head top pressing cap 21 are fixedly connected into a whole, the square tongue with the through hole groove on the afterbrain fastener 23 can extend into the square inner notch 221 of the forehead fastener 22, a nut is welded on the outer wall of the square inner notch 221, a T-shaped bolt 222 is aligned with the nut hole on the outer wall of the square inner, the hindbrain fastener 23 and the forehead fastener 22 are fixedly connected into a whole, the chin fastening belt 24 is fixed on the left side and the right side of the forehead fastener 22 corresponding to the temple position of the human body through a fixer, the chin fastening belt 24 is a belt-shaped body made of soft materials, connecting pieces 241 are arranged at joints of two ends of the belt-shaped body of the chin fastening belt 24, and the connecting pieces 241 are made of buttons, so that the belt-shaped body of the chin fastening belt 24 can surround the human body face from the chin to the lower part of the forehead fastener 22 for a circle;
the eye pupil video recorder 3 comprises two micro infrared cameras 31 with 850nm narrow band filters, USB interfaces adopted as signal interfaces, two infrared 850nm waveband light low-pass filters 32, two sets of filter fasteners 33 and two elastic metal rods 34, wherein the two infrared low-pass filters 32 are arranged in front of left and right eyes of a human body through respective filter fasteners 33 and elastic metal rods 34, the tail parts of the elastic metal rods 34 are fastened at the central positions of forehead fasteners 22 relative to the upper parts of left and right eyebrow hairs of the human body through fasteners, the distance between the infrared low-pass filters 32 and pupils of the eyes of the human body and the angle between the infrared low-pass filters 32 and the cameras of the micro infrared cameras 31 can be adjusted by bending and straightening the elastic metal rods 34, the two micro infrared cameras 31 are respectively arranged near the positions of the forehead fasteners 22 relative to the external canthus of the left and right, the lens of the miniature infrared camera 31 points to the central direction of the infrared light low-pass filter 32, the miniature infrared camera 31 adopts a miniature infrared camera with a narrow-band filter lens, for example, a golden dry image KS1A14 infrared camera is adopted, the miniature infrared camera 31 is provided with a 850nm narrow-band filter lens, the focal length is 2.8mm, the resolution is 640 x 480, and the interface is USB, the USB interface of the miniature infrared camera 31 is connected with the USB interface of the computer system 4 by a USB cable, and the miniature infrared camera 31 can clearly shoot the human eye pupil image reflected on the infrared light narrow-band 850nm low-pass filter 32 by adjusting the curve and straight of the elastic metal rod 34;
the computer system 4 comprises an I/O control card, a printer, a loudspeaker, system control software, video acquisition software and data processing software, an output interface of the I/O control card is connected with an input interface of the flail head controller 14 through a connecting cable, the I/O control card can select the Mohua PCI-1711, the system control software of the computer system 4 is used for controlling the PCI-1711I/O control card to send out a control signal for controlling the step length and the direction of a stepping motor in the horizontal rotator 11 and sending out a control signal for controlling the reciprocating motion of an electric push rod 121 in the vertical rotator 12 to ensure that the electric flail head device 1 applies more than 20 times of pulse flail head motions to the horizontal position and the vertical position of the head of a patient respectively, the video acquisition software of the computer system 4 is used for synchronously recording the motion angular speeds of the pupils of the eyes and the head of the patient in the pulse flail head motion process, the flail head which does not meet the requirement is screened out by the video acquisition software, a loudspeaker in the computer system 4 emits sound to remind a patient to stare at a fixed target point on the front visual target 5, results such as 6 semicircular gain values, 3 corresponding asymmetric value mean values, asymmetric coefficients at two sides, the occurrence probability of physiological compensatory saccades, latency and peak speed and the like are calculated by data processing software of the computer system 4 to generate a detection report, and the detection report is printed by a printer of the computer system 4;
the visual target 5 comprises an iron flat plate and a round cake-shaped magnetic target with deep color, the visual target 5 is fixedly placed in front of a patient, and the round cake-shaped magnetic target with deep color is attracted on the iron flat plate which is flush with the eyes of the patient under the action of magnetic force and is used as a fixation point of the eyes of the patient in the head pulse test examination process;
the head movement sensor 6 adopts a double-shaft silicon micro-gyroscope, such as a double-shaft LPR530AL silicon micro-gyroscope, the measuring range of the head movement sensor is +/-300 degrees/s, the bandwidth of the head movement sensor is 140HZ, the size of the head movement sensor is 5 x 1.5, the head movement sensor is fixed on a forehead fastener 22 of the head fixer 2 by glue and used for detecting the rotation angular speed of the head of a patient in the process of head pulse test examination, and an input/output electrical interface of the head movement sensor 6 is connected with an input interface of a PCI-1711I/O control card on the computer system 4 through a connecting cable.
The working process of the vertigo symptom differential diagnosis system comprises the following steps:
sitting on a stool below the head holder 2 by a patient in a sitting position, looking at a deep-colored round cake-shaped magnetic target fixing point on the target 5 at a position 1.5m ahead, adjusting the height of the inverted-L-shaped metal support frame 15, respectively placing structures such as a head top pressing cap 21, a forehead fastener 22, a hindbrain fastener 23, a chin fastener 24 and the like in the head holder 2 at corresponding positions of the head of the patient so that the head of the patient is firmly fixed in the head holder 2, starting the computer system 4 and operating control software so that the electric swing device 1 respectively applies pulse swing motions for more than 20 times to the horizontal position and the vertical position of the head of the patient at an angular speed of 150 degrees-200 degrees/s and an amplitude of 10 degrees-20 degrees, synchronously recording the motion angular speeds (degree/s) of the eyes and the pupils of the patient in the pulse swing motion process by using video acquisition software of the computer system 4, screening out the swing which does not meet the requirements by the video acquisition software and sending out the swinging heads through a loudspeaker in the computer system The voice reminds the patient to stare at the fixed target point on the front sight target 5, the data processing software of the computer system 4 is utilized to calculate results such as 6 semicircular gain values, 3 corresponding asymmetric value mean values, asymmetric coefficients at two sides, the occurrence probability of physiological compensatory saccades, latency and peak speed and the like and generate a detection report, and a printer of the computer system 4 is utilized to print the detection report, so that the diagnosis and detection of the vertigo symptom are completed once.
The above-mentioned embodiments are only for convenience of description of the invention, and are not intended to limit the invention in any way, and those skilled in the art will understand that the technical features of the invention can be modified or modified by the equivalent embodiments without departing from the scope of the invention.
Claims (6)
1. The vertigo symptom identification and diagnosis system is characterized by comprising an electric head swinging device (1), a head fixer (2), an eye pupil video recorder (3), a computer system (4), a visual target (5) and a head movement perception sensor (6), wherein the electric head swinging device (1) comprises a horizontal rotator (11), a vertical rotator (12), an n-shaped metal rotating frame (13), a head swinging controller (14) and an inverted L-shaped metal support frame (15), the horizontal rotator (11) consists of a stepping motor, a coupling, a fastener and a stepping motor electrical interface, the tail fixing end of the stepping motor is positioned near the middle position of the top of a cross beam of the n-shaped metal rotating frame (13), the tail fixing end of the stepping motor is arranged on a horizontal rod of an inverted L-shaped metal rod (153) of the inverted L-shaped metal support frame (15) through the fastener, and the inverted L-shaped metal support frame (15) consists of an inverted L-shaped metal rod (153), The vertical rod of a reverse L-shaped metal rod (153) is inserted into a top sleeve of the hollow metal vertical rod (152), the reverse L-shaped metal rod (153) can move up and down in the top sleeve of the hollow metal vertical rod (152), the tightness of the fastening knob (151) is adjusted to enable the reverse L-shaped metal rod (153) to be tightly and fixedly connected with the hollow metal vertical rod (152), the bottom of the hollow metal vertical rod (152) is fixedly connected or welded on the top surface of the ground support chassis (154) through a fastening piece, a through hole is formed in the center of a cross beam of the reverse U-shaped metal rotating frame (13), an output shaft of the stepping motor vertically penetrates through the through hole in the center of the cross beam of the reverse U-shaped metal rotating frame (13) downwards and is fixedly connected with the cross beam of the reverse U-shaped metal rotating frame (13) into a whole through a shaft connector, when the stepping motor rotates, the n-shaped metal rotating frame (13) can synchronously rotate along the vertical axis along with the stepping motor, the lower ends of two cross beams of the n-shaped metal rotating frame (13) are respectively provided with a circular through hole, two sides of the forehead fastener (22) of the head fixer (2) are respectively provided with an outward-protruded cylindrical pin, the cylindrical pins respectively extend into the two circular through holes at the lower ends of the two cross beams of the n-shaped metal rotating frame (13) to form hinges, so that the forehead fastener (22) can flexibly rotate along the straight line where the two circular through holes at the lower ends of the two cross beams of the n-shaped metal rotating frame (13) are located, when the n-shaped metal rotating frame (13) synchronously rotates along with the stepping motor, the head fixer (2) rotates along the vertical axis along with the n-shaped metal rotating frame (13) synchronously, and the electrical interface of the stepping motor is connected with the electrical control interface of the stepping motor on the head throwing controller (14) through a connecting cable; the vertical position rotator (12) consists of an electric push rod (121), a metal cross beam (122), an adapter, a fastener and an electric push rod interface, wherein the top end of the push rod of the electric push rod (121) is provided with an O-shaped connecting through hole, the O-shaped connecting through hole at the top end of the push rod is connected with an O-shaped notch (211) of the head fixer (2) through a pin to form a hinge, the tail end of the electric push rod (121) is higher than the top end of the electric push rod (121) by the adapter, the included angle between the push rod of the electric push rod (121) and the horizontal plane is less than 45 degrees and is fixedly connected with one end of the metal cross beam (122) by the fastener, the other end of the metal cross beam (122) is welded near the middle position of the cross beam of the n-shaped metal rotating frame (13) and is fixedly connected with the n-shaped metal rotating frame (13) into a whole, the head fixer (2) rotates downwards or upwards synchronously along the straight line of two through holes at the lower ends of two vertical beams of the n-shaped metal rotating frame (13) as an axis, an electric interface of the electric push rod (121) is connected with an electric control interface of the electric push rod on the swing head controller (14) through a connecting cable, and the swing head controller (14) is a power amplifier.
2. The vertigo symptom differential diagnosis system according to claim 1, wherein the head fixer (2) comprises a head top pressing cap (21), a forehead fastening device (22), a hindbrain fastening device (23), a chin fastening belt (24) and a connecting rod (25), the head top pressing cap (21) is a semi-elliptical metal cover capable of covering the top of the head of a person, the head top pressing cap is covered on the top of the head of the person with an opening downwards, the top of the head top pressing cap (21) is fixed or welded with a sloping beam extending forwards through the fastening device, and the top end of the sloping beam is provided with an O-shaped notch which is connected with an O-shaped through hole at the top end of the push rod of the electric push rod (121) through a pin to form a hinge; the left side and the right side of the head pressing cap (21) relative to the head of a person are respectively riveted or welded with a connecting rod (25), the hindbrain fastener (23) is a concave metal body capable of covering the hindbrain of the person, the opening faces the hindbrain direction and covers the hindbrain of the person, the hindbrain fastener (23) is also respectively provided with a linear metal square handle relative to the left side and the right side of the head of the person, the side surface of the linear metal square handle is respectively provided with a threaded hole and a square tongue with a through hole groove, a fastening bolt (251) penetrates through the through hole groove on the connecting rod (25) and extends into the threaded hole on the linear metal square handle on the hindbrain fastener (23) and is rotationally fastened, so that the hindbrain fastener (23) is fixedly connected with the head pressing cap (21) into a whole, the square tongue with the through hole groove on the hindbrain fastener (23) can extend into a square inner notch (221) of the forehead fastener (22), and the outer wall of the square inner notch (221) is, the T-shaped bolt (222) is aligned with a threaded hole or a nut on the outer wall of a square inner notch (221) of the forehead fastener (22) and penetrates through a through hole groove on a square tongue on the hindbrain fastener (23) to be rotationally fastened, the hindbrain fastener (23) and the forehead fastener (22) are fixedly connected into a whole, chin fastening belts (24) are fixed or riveted on the left side and the right side of the position, corresponding to the temple of a human body, of the forehead fastener (22) through a fixer, the chin fastening belts (24) are belt-shaped bodies made of soft materials, connecting pieces (241) are arranged at joints at two ends of the belt-shaped bodies of the chin fastening belts (24), the connecting pieces (241) are made of buttons or magic tapes, and accordingly the belt-shaped bodies of the chin fastening belts (24) can enable the human body to surround the human face from the chin to the lower portion.
3. The vertigo symptom differential diagnosis system according to claim 1, wherein the eye pupil video recorder (3) comprises two micro infrared cameras (31), two infrared low pass filters (32), two sets of filter fasteners (33) and two elastic metal rods (34), the two infrared low pass filters (32) are placed in front of the left and right eyes of the human body through the respective filter fasteners (33) and the elastic metal rods (34), the tail parts of the elastic metal rods (34) are fastened or welded on the forehead fasteners (22) through the fasteners at the central positions above the left and right eyebrows of the human body, the bending of the elastic metal rods (34) can adjust the distance between the infrared low pass filters (32) and the pupils of the eyes of the human body and the angle between the infrared low pass filters and the cameras of the micro infrared cameras (31), and the two micro infrared cameras (31) are respectively installed on the forehead fasteners (22) through the fasteners or screws relative to the left eyes of the human body Near the position of the external canthus of the right eye, the lens of the miniature infrared camera (31) points to the central direction of the infrared light low-pass filter (32), and the miniature infrared camera (31) can shoot the pupil image of the human eye reflected on the infrared light low-pass filter (32) by adjusting the curve of the elastic metal rod (34).
4. The vertigo symptom differential diagnosis system according to claim 1, wherein the computer system (4) comprises an I/O control card, a printer, a speaker, a system control software, a video capture software, and a data processing software, an output interface of the I/O control card is connected with an input interface of the head shaking controller (14) through a connecting cable, the I/O control card is controlled by the system control software of the computer system (4), so that the electric head shaking device (1) applies pulse head shaking movements to the horizontal and vertical positions of the head of the patient for more than 20 times respectively, the video capture software of the computer system (4) is used for synchronously recording the movement angular velocities of the pupil and the head of the eye of the patient during the pulse head shaking movements, the unsatisfactory head shaking can be screened by the video capture software and can make a sound through a speaker in the computer system (4) to remind the patient to stare at a fixed target point on the visual target (5) in front, the data processing software of the computer system (4) is used for calculating results such as 6 semicircular gain values, 3 corresponding asymmetric value mean values, asymmetric coefficients at two sides, appearance probability of physiological compensatory saccades, latency, peak speed and the like, generating a detection report, and a printer of the computer system (4) is used for printing the detection report.
5. A diagnostic and differential vertigo system as claimed in claim 1, wherein said visual target (5) comprises a ferrous plate, a dark colored magnetic target in the form of a disk, said visual target (5) being fixedly disposed in front of said patient, said dark colored magnetic target in the form of a disk being magnetically attracted to said ferrous plate flush with said patient's eyes.
6. A vertigo symptom differential diagnosis system according to claim 1, wherein the head movement sensor (6) is a biaxial silicon gyroscope fixed on the forehead fastener (22) of the head holder (2) by glue or screws, and the input/output electrical interface of the head movement sensor (6) is connected with the electrical interface of the I/O control card on the computer system (4) through a connecting cable.
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| CN201810674709.8A CN110638418A (en) | 2018-06-27 | 2018-06-27 | Vertigo symptom differential diagnosis system |
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| CN201810674709.8A CN110638418A (en) | 2018-06-27 | 2018-06-27 | Vertigo symptom differential diagnosis system |
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| US20040006287A1 (en) * | 2002-07-03 | 2004-01-08 | Epley John M. | Comprehensive vertigo management |
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| CN104524691A (en) * | 2015-01-27 | 2015-04-22 | 中国人民解放军海军总医院 | Vestibular illusion inducing device |
| CN105748250A (en) * | 2016-01-29 | 2016-07-13 | 上海威炫医疗器械有限公司 | Human body dizziness treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040006287A1 (en) * | 2002-07-03 | 2004-01-08 | Epley John M. | Comprehensive vertigo management |
| US6932090B1 (en) * | 2003-02-06 | 2005-08-23 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Motion sickness treatment apparatus and method |
| CN104524691A (en) * | 2015-01-27 | 2015-04-22 | 中国人民解放军海军总医院 | Vestibular illusion inducing device |
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Application publication date: 20200103 |