CN111358427A - Spinal cord injury testing device and method - Google Patents
Spinal cord injury testing device and method Download PDFInfo
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- CN111358427A CN111358427A CN201910726775.XA CN201910726775A CN111358427A CN 111358427 A CN111358427 A CN 111358427A CN 201910726775 A CN201910726775 A CN 201910726775A CN 111358427 A CN111358427 A CN 111358427A
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- 208000020431 spinal cord injury Diseases 0.000 title claims abstract description 31
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title description 9
- 210000000278 spinal cord Anatomy 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims description 11
- 230000006378 damage Effects 0.000 claims description 8
- 230000000638 stimulation Effects 0.000 claims description 8
- 230000004936 stimulating effect Effects 0.000 abstract description 3
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 9
- 238000003745 diagnosis Methods 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003828 downregulation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000030214 innervation Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003827 upregulation Effects 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
- A61B5/4058—Detecting, measuring or recording for evaluating the nervous system for evaluating the central nervous system
- A61B5/407—Evaluating the spinal cord
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Abstract
The invention discloses a spinal cord injury testing device and a spinal cord injury testing method, wherein the spinal cord injury testing device comprises a box body, a voltage on-off key, a current on-off key, a time selection key, a display screen for displaying numerical values, an adjusting key and a power supply connecting end are arranged on the box body, the numerical values of the voltage on-off key, the current on-off key and the time selection key are adjusted through the adjusting key and displayed through the display screen, the power supply connecting end comprises a positive end and a negative end, the positive end and the negative end are respectively connected with one end of an electric wire, and the other end of the electric wire is in contact with. The invention uses the existing voltage and current regulation and control equipment and microelectrode to find out the lowest threshold value for stimulating the skin to generate the fluctuation sense by adjusting the voltage and the current, connects the lowest threshold values corresponding to different spinal segments into a curve graph, and finds out the point deviating from the normal curve by comparing the curve graphs of patients and normal persons, wherein the previous segment of the point is the damaged spinal segment. Can intuitively judge which spinal cord plane is damaged, and has high practical value.
Description
Technical Field
The invention relates to the field of medical detection equipment, in particular to a spinal cord injury testing device and method.
Background
At present, in the medical field, there are three types of products for detecting spinal cord, the first is application number CN201711372884.3, the solution mentions that three bluetooth tags are used, two are placed in the skin area of the known spinal cord segment, the third is placed in the skin area of the unknown spinal cord segment, and the spinal cord segment corresponding to the skin at the third bluetooth tag is calculated by calculating the position relationship between the third bluetooth tag and the known two bluetooth tags and comparing with the mapping relationship between the normal human skin and the spinal cord segment in the service terminal; the second is application No. CN201520914809.5, which discloses that the diagnosis clothes are painted with skin areas corresponding to spinal cord segments, and the subject can quickly diagnose the spinal cord injured segments by wearing the diagnosis clothes matched with the body size; the third is application number CN201510424157.1, which discloses that two current injection electrodes and more than two voltage measurement electrodes are pasted on the body surface of a patient, the amplitude and frequency of the injected current are set in a controller, a multi-way switch is controlled by a multi-way switch control module, two input channels at the input end of the multi-way switch are selected to be communicated with two output channels of the multi-way switch, two voltage measurement electrodes connected with the input channel of the multi-way switch are communicated with the input end of a voltage amplifier, the measured voltage value between the two measurement electrodes at each frequency is sent to an impedance analysis module, the above steps are repeated until the voltage between any two electrodes in the multiple voltage measurement electrodes is collected and sent to the impedance analysis module in the controller, the measured voltage is divided by the injected current to obtain the impedance between the two voltage measurement electrodes, the impedance between the two voltage measurement electrodes is compared with the normal human body impedance, if the impedance between the two voltage measuring electrodes is smaller than the normal human body impedance, the damage is indicated, and the damage position, namely the abnormal impedance between the two voltage measuring electrodes is displayed in the damage potential display module.
The first product is to indirectly calculate the spinal segment corresponding to the skin by calculating the distance between the third bluetooth tag and other bluetooth tags, but the distance between the skin areas governed by every two spinal segments is not constant, which may bring certain errors, especially when the third bluetooth tag is far away from other tags; the second product indirectly diagnoses the spinal cord injury segment by wearing a diagnosis clothes with marks, which has certain advancement, but is not suitable for moving and wearing the diagnosis clothes in some spinal cord injury patients, especially cervical spinal cord injury patients. The marked innervation regions may also be inconsistent with reality due to differences in patient size and weight; the third product stimulates the skin through different electrodes, then measures the voltage between two points through a plurality of detection electrodes, further calculates the electrical impedance through the current, and compares with the normal electrical impedance to obtain the spinal cord injury segment. The invention has various steps and certain inconvenience for patients due to the need of placing a plurality of electrodes. The accuracy of the measurement is related to the distance between the two electrodes, and certain errors may occur when the distance is far away.
Therefore, improvements in the prior art are needed.
Disclosure of Invention
In order to overcome the defects in the prior art, a spinal cord injury testing device and a spinal cord injury testing method are provided, so that which spinal cord plane is damaged can be intuitively known.
In order to achieve the purpose, the invention provides a spinal cord injury testing device which comprises a box body, wherein a voltage switch key, a current switch key, a time selection key, a display screen for displaying numerical values, an adjusting key and a power supply connecting end are arranged on the box body, the numerical values of the voltage switch key, the current switch key and the time selection key are adjusted through the adjusting key and displayed through the display screen, the power supply connecting end comprises a positive end and a negative end, the positive end and the negative end are respectively connected with one end of an electric wire, and the other end of the electric wire is in contact with the skin of a human body during measurement.
According to the spinal cord injury testing device, the adjusting keys comprise an up-adjusting key and a down-adjusting key, and the voltage, the current and the time value are adjusted through the up-adjusting key and the down-adjusting key.
In the spinal cord injury testing device, the display screen is an LCD display screen.
The invention also provides a spinal cord injury testing method, which comprises the following steps:
s1: firstly, a power supply of a testing device is turned on, voltage, current and time are adjusted to minimum values, one ends of two electric wires are respectively connected with a positive end and a negative end of a power supply connecting end, and the other ends of the electric wires are connected with skin at the spinal cord of a human body to be tested to form a closed loop;
s2: observing the reaction of the skin corresponding to a certain section of the spinal cord of the human body, if the reaction is detected, indicating that the spinal cord of the human body is not damaged, if the reaction is not detected, increasing the values of voltage and current within a safe range until the human body feels, indicating that the spinal cord of the section is partially damaged, and if the reaction is adjusted to the maximum safe voltage, indicating that the spinal cord of the section of the human body is completely damaged;
s3: marking the stimulation threshold values of different segments on the graph according to the detection result, and representing the damage degree of the segment;
s4: the skin corresponding to each section of the spinal cord is subjected to the same detection, the detection result is marked on a graph, each threshold value is connected to form a curve graph, and the graph is compared with the threshold value of a normal human body to analyze and judge the damaged part and degree of the spinal cord.
In the above-mentioned spinal cord injury testing method, the plotted curve graph can be a coordinate graph, the abscissa is the intensity values of voltage and current representing the intensity of spinal cord injury, the ordinate is different segments of the spinal cord representing the position of the spinal cord, and different detected threshold values are marked on the graph and connected to form the curve graph.
According to the spinal cord injury testing device and the spinal cord injury testing method, the scheme has the following effects:
the invention utilizes the existing voltage and current regulation and control equipment and microelectrodes, finds out the lowest threshold value for stimulating the skin to generate the fluctuation sense by adjusting the voltage and the current, connects the lowest threshold values corresponding to different spinal segments into a curve graph, finds out the point of the patient deviating from the normal curve by comparing the curve graphs of the patient and normal persons, and the previous segment of the point is the damaged spinal segment. Can intuitively and accurately judge which spinal cord plane is damaged, and has high practical value.
Drawings
FIG. 1 is a block diagram of a first embodiment of the present invention;
FIG. 2 is a graph plotted against detected threshold values in a first embodiment of the present invention;
reference is made to the following in corresponding reference numbers in the drawings of the specification:
the device comprises a box body 1, a voltage switch key 2, a current switch key 3, a display screen 4, a power supply connecting end 6, a power supply switch 7, a time selection key 8, an up-regulation key 51 and a down-regulation key 52.
Detailed Description
In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings.
The first embodiment of the invention discloses a spinal cord injury testing device, as shown in fig. 1, which comprises a box body 1, wherein a voltage switch key 2, a current switch key 3, a time selection key 8, a display screen 4 for displaying numerical values, an adjusting key and a power supply connecting end 6 are arranged on the box body 1, the display screen 4 can be an LCD display screen, the numerical values of the voltage switch key 2, the current switch key 3 and the time selection key 8 are adjusted through the adjusting key and displayed through the display screen 4, the adjusting key comprises an up-adjusting key 51 and a down-adjusting key 52, and the voltage, the current and the time values are increased and decreased through the up-adjusting key 51 and the down-adjusting key 52. The power connection end 6 comprises a positive end and a negative end, the positive end and the negative end are respectively connected with one end of the electric wire, and the other end of the electric wire is in contact with the skin of a human body during measurement to form a closed loop.
In specific use, firstly, a power switch 7 of the testing device is turned on, voltage, current and time are adjusted to the minimum value, voltage or current value is displayed on a display screen 4, one ends of two wires are respectively connected with a positive end and a negative end, and the other ends of the two wires are connected with the skin of the spinal cord of a human body to be tested; then observing the reaction of the human body to one section of skin at the spinal cord, if the reaction indicates that the spinal cord of the human body is not damaged, if the reaction does not exist, the values of the voltage and current are adjusted up within the safe range until the human body feels, indicating that the spinal cord of the segment is partially damaged, and the same, if the initial current is larger, the reaction occurs, the current or voltage value can be adjusted downwards, the just-felt demarcation point can be found out and used as the stimulation threshold value, if the voltage is adjusted to the maximum safe voltage, the human body does not feel, the spinal cord of the section of the human body is completely injured, the stimulation threshold value of each section when the section initially feels is recorded and is drawn on a coordinate graph, the numerical value displayed on the display screen 4 is taken as the stimulation threshold value, the abscissa represents the voltage or the current value, the ordinate represents the section of the spinal cord, and if no sensation appears, the numerical value is marked on the coordinate graph; finally, the same test is performed on the skin of each segment of the spinal cord, the test results are plotted on the graph, and each threshold is connected to form a graph, as shown in fig. 2, the black solid line is the average value of the current stimulation threshold of each segment, the dotted line represents the average value of the lowest stimulation threshold + the standard deviation of 2 average thresholds, the graph of the patient is compared with the threshold of a normal human body for analysis, and the segment above the first point of the normal curve is the injury.
The system of the first embodiment of the invention is simple and convenient to operate, compared with the method for measuring the electrical impedance, the method for measuring the electrical impedance can judge the plane of the spinal cord injury more directly, can intuitively know which spinal cord plane has the injury by comparing with the drawn threshold curve graph of a normal human body, can accurately position the change of the injured segment in the subsequent follow-up process, and is favorable for objectively judging the effect after treatment by measuring the change of the lowest threshold; compared with the diagnosis clothes and the method for judging the spinal segment by calculating the distance, the diagnosis of the spinal segment obtained by stimulating the skin is more accurate than the latter two methods, because the difference between the skin area on the diagnosis clothes and the actual situation is determined by the size of the diagnosis clothes and the matching degree with the patient; the results obtained by calculating the distance may deviate from the actual situation in view of the difference in the width of the skin area governed by each spinal segment. The invention has high practical value in the medical field.
The second embodiment of the invention discloses a spinal cord injury testing method, which comprises the following steps:
s1: firstly, a power supply of a testing device is turned on, the voltage, the current and the time are adjusted to the minimum value, one ends of two electric wires are respectively connected with the positive end and the negative end of a power supply connecting end 6, and the other ends of the electric wires are connected with the skin of the spinal cord of a human body to be tested to form a closed loop;
s2: observing the reaction of the skin corresponding to a certain section of the spinal cord of the human body, if the reaction is detected, indicating that the spinal cord of the human body is not damaged, if the reaction is not detected, increasing the values of voltage and current within a safe range until the human body feels, indicating that the spinal cord of the section is partially damaged, and if the reaction is adjusted to the maximum safe voltage, indicating that the spinal cord of the section of the human body is completely damaged;
s3: marking the stimulation threshold values of different segments on the graph according to the detection result, and representing the damage degree of the segment;
s4: the skin corresponding to each section of the spinal cord is subjected to the same detection, the detection result is marked on a graph, each threshold value is connected to form a curve graph, and the graph is compared with the threshold value of a normal human body to analyze and judge the damaged part and degree of the spinal cord.
In addition, the plotted graph can be a graph, the abscissa is the intensity value of voltage and current representing the intensity of spinal cord injury, and the ordinate is different segments of the spinal cord representing the location of the spinal cord, and different detected threshold values are marked on the graph and connected to form the graph.
Since the second embodiment is the method of the first embodiment, and the specific steps and beneficial effects of the system have been specifically described in the first embodiment, detailed description is omitted here.
Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.
Claims (5)
1. A spinal cord injury testing arrangement which characterized in that: including the box body, be equipped with voltage on-off key, current on-off key, time selection key, display screen, adjustment key and the power connection end that shows numerical value on the box body, the numerical value of voltage on-off key, current on-off key, time selection key passes through the adjustment key is adjusted and is passed through the display screen shows, the power connection end includes positive terminal and negative pole end, the one end of electric wire is connected respectively to positive terminal and negative pole end, when measuring the other end and the human skin contact of electric wire.
2. The spinal cord injury testing device of claim 1, wherein: the adjusting keys comprise an up-adjusting key and a down-adjusting key, and the voltage, the current and the time values are adjusted through the up-adjusting key and the down-adjusting key.
3. The spinal cord injury testing device of claim 1, wherein: the display screen is an LCD display screen.
4. A spinal cord injury testing method comprising the spinal cord injury testing device of claim 1, 2 or 3, characterized by comprising the steps of:
s1: firstly, a power supply of a testing device is turned on, voltage, current and time are adjusted to minimum values, one ends of two electric wires are respectively connected with a positive end and a negative end of a power supply connecting end, and the other ends of the electric wires are connected with skin at the spinal cord of a human body to be tested to form a closed loop;
s2: observing the reaction of the skin corresponding to a certain section of the spinal cord of the human body, if the reaction is detected, indicating that the spinal cord of the human body is not damaged, if the reaction is not detected, increasing the values of voltage and current within a safe range until the human body feels, indicating that the spinal cord of the section is partially damaged, and if the reaction is adjusted to the maximum safe voltage, indicating that the spinal cord of the section of the human body is completely damaged;
s3: marking the stimulation threshold values of different segments on the graph according to the detection result, and representing the damage degree of the segment;
s4: the skin corresponding to each section of the spinal cord is subjected to the same detection, the detection result is marked on a graph, each threshold value is connected to form a curve graph, and the graph is compared with the threshold value of a normal human body to analyze and judge the damaged part and degree of the spinal cord.
5. The spinal cord injury testing method of claim 4, wherein: the plotted graph can be a graph with the abscissa being the intensity values of voltage, current representing the intensity of the spinal cord injury and the ordinate being the different segments of the spinal cord representing the location of the spinal cord, with different detected thresholds being plotted on the graph and connected to form the graph.
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| CN201910726775.XA CN111358427A (en) | 2019-08-07 | 2019-08-07 | Spinal cord injury testing device and method |
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| CN201910726775.XA CN111358427A (en) | 2019-08-07 | 2019-08-07 | Spinal cord injury testing device and method |
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Citations (5)
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| US20050085743A1 (en) * | 2003-01-22 | 2005-04-21 | Hacker David C. | Apparatus and method for intraoperative neural monitoring |
| US20120165901A1 (en) * | 2010-12-23 | 2012-06-28 | Boston Scientific Neuromodulation Corporation | Neurostimulation system for estimating desired stimulation amplitude for electrode configuration |
| CN202666194U (en) * | 2012-06-12 | 2013-01-16 | 廖利民 | Multifunctional bladder pelvic floor rehabilitation instrument |
| CN105030237A (en) * | 2015-07-17 | 2015-11-11 | 中国科学院电工研究所 | Spinal cord injury localization device |
| CN205494676U (en) * | 2015-11-17 | 2016-08-24 | 深圳市一体太糖科技有限公司 | Wear -type electro photoluminescence device |
-
2019
- 2019-08-07 CN CN201910726775.XA patent/CN111358427A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050085743A1 (en) * | 2003-01-22 | 2005-04-21 | Hacker David C. | Apparatus and method for intraoperative neural monitoring |
| US20120165901A1 (en) * | 2010-12-23 | 2012-06-28 | Boston Scientific Neuromodulation Corporation | Neurostimulation system for estimating desired stimulation amplitude for electrode configuration |
| CN202666194U (en) * | 2012-06-12 | 2013-01-16 | 廖利民 | Multifunctional bladder pelvic floor rehabilitation instrument |
| CN105030237A (en) * | 2015-07-17 | 2015-11-11 | 中国科学院电工研究所 | Spinal cord injury localization device |
| CN205494676U (en) * | 2015-11-17 | 2016-08-24 | 深圳市一体太糖科技有限公司 | Wear -type electro photoluminescence device |
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Application publication date: 20200703 |