CN209966348U - Portable traumatic cerebral hemorrhage early warning and rapid assessment device - Google Patents

Abstract

The utility model discloses a portable traumatic cerebral hemorrhage early warning and rapid evaluation device, which comprises an electrode head cover and a quantitative cerebral hemorrhage analyzer; the electrode head sleeve comprises a head sleeve body and an electrode fixedly arranged on the inner surface of the head sleeve body, the electrode is a metal electrode slice, the electrode is connected with the head sleeve body through a lead, and the electrode comprises a reference electrode, a grounding electrode and an acting electrode; the reference electrode is positioned in the center of the electrode head sleeve and corresponds to the top of the head of the patient; the action electrodes are uniformly distributed around the skull and used for extracting the brain waveform of the patient; the position of the ground electrode corresponds to the parietal midline one third from the forehead. The quantitative electroencephalogram analyzer performs quantitative analysis according to the original electroencephalogram waveform monitored by the electrode headgear. The utility model discloses can be fast, simple and convenient, safe carry out early warning and quick aassessment to the wound patient that probably takes place cerebral hemorrhage effectively, avoid leaking the delay in diagnosing and treating.

Description

Portable traumatic cerebral hemorrhage early warning and rapid assessment device

Technical Field

The utility model relates to an electroencephalogram monitoring device especially relates to a portable traumatic cerebral hemorrhage early warning and quick assessment device.

Background

Craniocerebral injury accounts for about 50% of all wounds and is the major cause of lethal disability in young people under the age of 45 years; the main causes of death and disability of craniocerebral injury patients are cranial hypertension and brain cell injury directly or indirectly caused by cerebral hemorrhage. At present, cerebral hemorrhage is mainly diagnosed by means of CT examination, but due to the diagnosis condition and equipment, the CT examination cannot be performed at the first time after the patient is injured, so that partial patient referral is caused, and the examination and treatment time is delayed. Moreover, a considerable part of patients with cerebral hemorrhage do not have the imaging performance of cerebral hemorrhage in the first time, which is very easy to cause delay of diagnosis and treatment and even missed diagnosis.

Electroencephalography (EEG) is a monitoring technique suitable for detecting brain lesions, and EEG monitoring can be used to detect pathological changes and trends associated with brain injury, but has the disadvantages of contact measurement, many mounted electrodes, and complex feature extraction.

Granted publication No. CN207604953U, which discloses a neurological cerebral hemorrhage diagnoser that can rapidly diagnose the condition of a patient to avoid delay of optimal treatment time; however, the diagnosis device can only diagnose whether the patient has the cerebral hemorrhage, and the diagnosis device has a complex and large structure, and is not easy to carry out to diagnose the emergency patient.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a portable wound cerebral hemorrhage early warning and quick evaluation device can carry out early warning and quick evaluation bleed position and scope to the wound patient who takes place cerebral hemorrhage fast, simple and convenient, safe effectively, avoids delaying in the treatment and neglects the diagnosis.

The technical scheme is as follows: the utility model discloses a portable trauma cerebral hemorrhage early warning and rapid evaluation device, which comprises an electrode head sleeve and a quantitative cerebral hemorrhage analyzer, wherein the electrode head sleeve is connected with the quantitative cerebral hemorrhage analyzer through a lead; the electrode head sleeve comprises a head sleeve body and an electrode fixedly arranged on the inner surface of the head sleeve body, the electrode is a metal electrode slice, the electrode is connected with the head sleeve body through a lead, and the electrode comprises a reference electrode, a grounding electrode and an acting electrode; the reference electrode is positioned in the center of the electrode head sleeve and corresponds to the top of the head of the patient; the action electrodes are uniformly distributed around the skull and used for extracting the brain waveforms of the patient; the position of the ground electrode corresponds to the parietal midline one third from the forehead. The quantitative electroencephalogram analyzer performs quantitative analysis according to the electroencephalogram waveform monitored by the electrode headgear.

Preferably, the number of active electrodes is 12. The 12 action electrodes can better monitor each area of the skull, and are beneficial to positioning the position of the traumatic cerebral hemorrhage and judging and evaluating the hemorrhage range.

Furthermore, the utility model also comprises a disposable connecting electrode which is hollow disc-shaped, a cavity is arranged inside the disposable connecting electrode, and the cavity is filled with conductive gel liquid; the bottom of the disposable connecting electrode is a metal base with a groove, the top of the disposable connecting electrode is provided with an opening, and a detachable sealing film is arranged at the opening; and the metal electrode plate is provided with a bulge matched with the groove at the bottom of the disposable connecting electrode. When the headgear is worn, the sealing film on the surface is torn firstly, the electrode is squeezed, then the conductive gel liquid is squeezed out and is connected with the skin of the head through the hair, the influence of the hair of the head on the electrode connection and the complex and time-consuming electroencephalogram electrode connection operation are avoided, the connection effect is reliable and stable, the headgear is convenient to use and can be detached and replaced repeatedly.

In order to improve the using effect, the material of the upper surface of the disposable connecting electrode is silica gel. The silica gel is easy to manufacture into a hollow structure required by the disposable electrode, has good biological tissue compatibility and certain hardness and softness, is easy to install and store, and is easy to deform after being extruded to extrude the internal conductive gel liquid.

In order to facilitate observation of the head injury and have good air permeability, the head sleeve body is in a grid shape.

In order to make the head cover easy to wear on the head, the material of the head cover body is elastic cotton yarn, so that the head cover has elasticity.

Can be miniaturized with quantitative brain electricity analysis appearance 2's oscilloscope to cooperation microcomputer intelligent analysis module can be miniaturized quantitative brain electricity analysis appearance 2, and miniaturized quantitative brain electricity analysis appearance 2's design can be portable more and be used for the on-the-spot first aid, transport and last bedside monitoring.

The utility model discloses the principle: the utility model provides an electrode headgear wears in patient's head, and the electrode of electrode headgear internal surface is responsible for collecting the brain wave form, and quantitative brain electricity analysis appearance discerns the potential difference between each effect electrode and the reference electrode, carries out intelligent quantitative analysis to the brain wave form that monitors, according to the unusual change of analysis corresponding region brain wave form such as the shared proportion of slow wave, alpha wave variability, makes early warning and the diagnosis that the cerebral hemorrhage probably appears in this position. The action electrodes are uniformly distributed along the skull, and the skull is divided into monitoring sectors with the same number as the action electrodes by the action electrodes and the reference electrodes; because cerebral hemorrhage caused by trauma is usually located on the outer side of the brain, the quantitative electroencephalogram analyzer can perform preliminary judgment and evaluation on the hemorrhage part and range according to the brain waveform changes obtained by different monitoring sectors. The design of the disposable connecting electrode can quickly fix the electrode head sleeve on the skull of a patient in the process of emergency diagnosis without shaving the hair of the patient, thereby saving precious rescue time.

Has the advantages that: 1) the utility model discloses simple structure, it is convenient to carry and convenient to use, can effectively discover and early warning the cerebral hemorrhage of traumatic patient especially craniocerebral trauma patient and tentatively fix a position and scope aassessment, strive for the time for treatment and surgical intervention, not only can carry out the quick judgement to the cerebral hemorrhage in on-the-spot first aid and transportation, can also play the early warning effect in observation and the treatment after patient's hospitalization simultaneously, practice thrift valuable rescue and transit time, improve clinical curative effect, can be used to patient's treatment whole journey till the critical period of transiting; 2) the combination of the electrode fixing position in the electrode tip sleeve and the disposable connecting electrode is adopted, so that the operation of positioning one by one when the electrodes are connected is omitted, the preparation time before detection is greatly shortened, and the precious rescue time is saved in emergency treatment.

Drawings

Fig. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the electrode arrangement on the electrode head cover;

FIG. 3 is a schematic view of a metal electrode sheet and a disposable connecting electrode;

fig. 4 is a partial schematic view of the headgear with the disposable connecting electrode in use.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in the figure, the utility model comprises an electrode head cover 1 and a quantitative brain electrical analyzer 2, wherein the electrode head cover 1 is connected with the quantitative brain electrical analyzer 2 through a lead; the electrode head cover 1 comprises a head cover body 3 and electrodes fixedly arranged on the inner surface of the head cover body 3, wherein the electrodes are metal electrode plates 7, and comprise 1 reference electrode 4, 1 grounding electrode 5 and 12 action electrodes 6; the reference electrode 4 is positioned at the central position of the electrode head sleeve 1 and corresponds to the vertex of the skull of the patient; the 12 action electrodes 6 are evenly distributed around the skull and used for extracting the brain waveform of the patient; the grounding electrode 5 is positioned at the front part of the skull, and the position corresponds to the position of the midline of the vertex one third of the forehead; the quantitative electroencephalogram analyzer 2 performs quantitative analysis according to the original electroencephalogram waveform monitored by the electrode headgear.

As shown in fig. 2, the schematic diagram of the metal electrode sheet 7 and the disposable connection electrode, the 12 active electrodes 6 and the reference electrode 4 jointly divide the skull into 12 corresponding monitoring sectors 11, and the hatched portion in the figure is one of the monitoring sectors 11. The quantitative electroencephalogram analyzer 2 performs positioning of the cerebral hemorrhage wound position according to the change of the electroencephalogram waveform obtained by the different monitoring sectors 11.

Fig. 3 is a schematic diagram of the metal electrode sheet 7 and the disposable connecting electrode. The utility model discloses still include disposable connecting electrode, the left side is bellied circular metal electrode piece 7 in the middle of in the picture, and the right side is disposable connecting electrode. The shape of the metal electrode plate 7 can be round, square or diamond. The disposable connecting electrode is made of hollow silica gel 10 and a metal base 12, is disc-shaped, is internally provided with a cavity, and is filled with conductive gel liquid 9; the bottom of the disposable connecting electrode is a metal base 12 with a groove, the groove is positioned in the center of the metal base 12, and the upper surface of the disposable connecting electrode is made of silica gel; the top of the disposable connecting electrode is provided with an opening, and a detachable sealing film 8 is arranged at the opening; the metal electrode plate 7 is provided with a bulge matched with the groove at the bottom of the disposable connecting electrode.

Before use, the disposable connecting electrode is fixed on the metal electrode plate 7 on the electrode head cover 1, and the groove on the metal base 12 is clamped at the convex position of the corresponding metal electrode plate, so that the disposable connecting electrode is connected and fixed as shown in fig. 4. When the headgear is worn, the sealing film 8 on the surface of the disposable connecting electrode is torn off, the conductive gel liquid 9 is extruded after the disposable connecting electrode is extruded and is connected with the skin of the head through the hair, the influence of the hair of the head on the electrode connection and the complex and time-consuming electroencephalogram electrode connection operation are avoided, the connection effect is reliable and stable, the use is convenient, and the replacement can be repeatedly disassembled.

The shape of headgear body 3 is latticed, and the material is elasticity cotton yarn, and the selection for use of elasticity cotton yarn makes the headgear have elasticity, easily wears the head, and latticed design makes the headgear have better perspective, is convenient for observe the wound of head, and has better gas permeability.

Can be miniaturized with quantitative brain electricity analysis appearance 2's oscilloscope to cooperation microcomputer intelligent analysis module can be miniaturized quantitative brain electricity analysis appearance 2, and miniaturized quantitative brain electricity analysis appearance 2's design can be portable more and be used for the on-the-spot first aid, transport and last bedside monitoring.

The utility model discloses the during operation, the electrode of 1 internal surfaces of electrode headgear is responsible for collecting the brain wave form, and quantitative brain electricity analyzer 2 discerns the potential difference between each effect electrode 6 and the reference electrode 4, carries out intelligent quantitative analysis to the brain wave form that monitors. The quantitative electroencephalogram analyzer 2 quantifies the original electroencephalogram through the asymmetric band-pass filter and Fourier transform of the electroencephalogram waveform obtained by the electrode headgear 1, calculates the proportion of slow waves (delta and theta waves), the alpha wave variation rate and other parameters, reflects the brain cell functional state, the bilateral symmetry, the cerebral perfusion, the oxygen metabolism and the blood flow condition of the patient in the form of a trend map, and can sensitively find the local change of the traumatic patient after cerebral hemorrhage. And intelligently analyzing abnormal changes of brain waveforms of corresponding areas according to the proportion of slow waves, the alpha wave variation rate and the like, and giving an early warning that cerebral hemorrhage possibly occurs at the part. Because the action electrodes 6 are uniformly distributed along the skull, the skull is divided into the corresponding monitoring sectors 11 by the action electrodes 6 and the reference electrodes 4 together, and cerebral hemorrhage caused by trauma is always positioned on the outer side of the brain, the quantitative electroencephalogram analyzer 2 can initially position and evaluate the bleeding part and range according to the change of the brain waveform obtained by different monitoring sectors 11, and can accurately and visually reflect the symmetry, cerebral blood flow, coma degree and brain injury degree of the left and right brains.

Claims (6)

1. A portable trauma cerebral hemorrhage early warning and rapid assessment device is characterized in that: comprises an electrode head sleeve (1) and a quantitative electroencephalogram analyzer (2), wherein the electrode head sleeve (1) is connected with the quantitative electroencephalogram analyzer (2) through a lead; the electrode head sleeve (1) comprises a head sleeve body (3) and electrodes fixedly arranged on the inner surface of the head sleeve body (3), the electrodes are metal electrode plates (7), the electrodes are connected with the head sleeve body (3) through leads, and the electrodes comprise reference electrodes (4), grounding electrodes (5) and action electrodes (6); the reference electrode (4) is positioned at the central position of the electrode head sleeve (1) and corresponds to the top of the head of a patient; the action electrodes (6) are evenly distributed around the skull; the position of the ground electrode (5) corresponds to the vertex midline one third from the forehead.

2. The portable trauma cerebral hemorrhage warning and rapid assessment device according to claim 1, wherein: the number of the action electrodes (6) is 12.

3. The portable trauma cerebral hemorrhage warning and rapid assessment device according to claim 1 or 2, characterized in that: the disposable connection electrode is hollow disc-shaped, a cavity is arranged in the disposable connection electrode, and conductive gel liquid (9) is filled in the cavity; the bottom of the disposable connecting electrode is a metal base (12) with a groove, the top of the disposable connecting electrode is provided with an opening, and a detachable sealing film (8) is arranged at the opening; and the metal electrode plate (7) is provided with a bulge matched with the groove at the bottom of the disposable connecting electrode.

4. The portable trauma cerebral hemorrhage warning and rapid assessment device according to claim 3, wherein: the material of the upper surface of the disposable connecting electrode is silica gel.

5. The portable trauma cerebral hemorrhage warning and rapid assessment device according to claim 1 or 2, characterized in that: the shape of the head cover body (3) is a grid shape.

6. The portable trauma cerebral hemorrhage warning and rapid assessment device according to claim 5, wherein: the material of the head cover body (3) is elastic cotton yarn.

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