CN116982958A - Wearable equipment capable of accurately positioning human brain tissue hemorrhage - Google Patents
Wearable equipment capable of accurately positioning human brain tissue hemorrhage Download PDFInfo
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- 210000005013 brain tissue Anatomy 0.000 title claims abstract description 18
- 208000032843 Hemorrhage Diseases 0.000 title description 54
- 230000000740 bleeding effect Effects 0.000 claims abstract description 63
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 230000005284 excitation Effects 0.000 claims abstract description 34
- 238000009826 distribution Methods 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 9
- 208000028867 ischemia Diseases 0.000 abstract description 5
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- 238000005516 engineering process Methods 0.000 description 4
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- 238000000034 method Methods 0.000 description 4
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- 238000003384 imaging method Methods 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 210000001835 viscera Anatomy 0.000 description 2
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
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- 230000003187 abdominal effect Effects 0.000 description 1
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- 238000003745 diagnosis Methods 0.000 description 1
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- 208000023589 ischemic disease Diseases 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
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/0522—Magnetic induction tomography
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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
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
- A61B5/002—Monitoring the patient using a local or closed circuit, e.g. in a room or building
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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
- A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
- A61B5/004—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part
- A61B5/0042—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part for the brain
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/02042—Determining blood loss or bleeding, e.g. during a surgical procedure
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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
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
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- 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
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- A61B5/74—Details of notification to user or communication with user or patient ; user input means
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- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0214—Operational features of power management of power generation or supply
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- A—HUMAN NECESSITIES
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- A61B2576/02—Medical imaging apparatus involving image processing or analysis specially adapted for a particular organ or body part
- A61B2576/026—Medical imaging apparatus involving image processing or analysis specially adapted for a particular organ or body part for the brain
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Abstract
The application provides wearable equipment capable of accurately positioning bleeding of brain tissue of a human body, which is characterized by comprising an excitation electrode; a measuring electrode pair; a power supply unit; and a central control unit. According to the application, the excitation electrode and the measurement electrode are attached to the detection position of the target object to detect the bleeding and ischemia conditions of the target object, the power supply unit supplies power to the excitation electrode, the measurement electrode measures the generated alternating magnetic field and secondary magnetic field MIT data, then the central control unit obtains the conductivity distribution in the living body through an image reconstruction algorithm according to the relation between the detection voltage and the conductivity distribution in the detected living body, the bleeding state of the target object is calculated according to the conductivity distribution in the target living body so as to judge whether the bleeding state exceeds a target threshold value, and the alarm unit alarms in time when the bleeding state exceeds the target threshold value, so that the bleeding state abnormality of the detection position of the target object is found in time, and the safety of the target object is improved.
Description
Technical Field
The application relates to wearable equipment for accurately positioning the bleeding position of human brain tissue by registering the magnetic induction imaging principle and a reference image of the human brain tissue, and belongs to the technical field of medical treatment.
Background
Most of visceral organ bleeding is caused by high-energy abdominal closed injury, so that the visceral organ is ruptured, internal hemorrhage is caused, the effective circulating blood volume is insufficient, symptoms such as blood pressure drop, heart rate increase, limb wet and cold, pulse fineness and the like appear, and the risk of serious consequences is high. Often, internal hemorrhage cannot be accurately identified in time or the severity of internal hemorrhage cannot be accurately estimated during emergency treatment transportation, which causes harm to prognosis of patients, so it is important to detect internal hemorrhage in real time and remind medical rescue personnel to start emergency measures, and it is required to ensure that medical rescue personnel can start emergency clinical treatment at correct time.
Disclosure of Invention
The application aims to solve the technical problems that: certain defects exist in the detection of the internal bleeding state, so that medical staff cannot be assisted in realizing emergency treatment management of the patient with the internal bleeding in the abdominal cavity, and abnormal conditions of the patient with the internal bleeding cannot be found in time.
In order to solve the technical problems, the technical scheme of the application is to provide wearable equipment capable of accurately positioning bleeding of brain tissue of a human body, which is characterized by comprising the following components:
the excitation electrode is positioned below a part to be detected of the detection target object, the part to be detected is positioned in the detection area, and an alternating magnetic field is applied to the detection area through the excitation electrode;
a measuring electrode pair arranged around a detection region of the detection target object in a noncontact manner;
a power supply unit electrically connected with the excitation electrode and used for providing power for the excitation electrode;
and the central control unit is respectively and electrically connected with the power supply unit and the measuring electrode pair, is used for controlling the power supply unit, collects MIT data through the measuring electrode pair, obtains the conductivity distribution in the living body through an image reconstruction algorithm according to the relation between the detection voltage and the conductivity distribution in the living body to be detected, and calculates the bleeding state of the detection target object according to the conductivity distribution in the detection target object.
Preferably, the system further comprises an alarm unit, wherein the alarm unit is electrically connected with the central control unit; and when the central control unit determines that the bleeding state of the detection target object exceeds a target threshold, sending an alarm signal to the alarm unit, and giving an alarm according to the alarm signal.
Preferably, the alarm unit includes a sound chip and a vibrator, and after the alarm unit receives the alarm signal, the sound chip sounds an alarm and the vibrator vibrates.
Preferably, each measuring electrode in the measuring electrode pair is implemented by a measuring coil, the measuring coil is integrally arranged inside a protective sleeve, a supporting object is arranged on the outer wall of one side of the protective sleeve, and the protective sleeve is positioned near a detection area of the detection target object through the supporting object.
Preferably, the central control unit further comprises a wireless communication unit, and the central control unit sends the current bleeding situation of the detection target object to the terminal device through the wireless communication unit.
Preferably, the central control unit further comprises a bluetooth module, and the central control unit sends the current bleeding condition of the detection target object to the terminal device through the bluetooth module.
Compared with the prior art, the application has the following beneficial effects:
the excitation electrode and the measurement electrode are attached to the detection position of the target object to detect the bleeding and ischemia condition of the target object, the power supply unit supplies power to the excitation electrode so as to continuously generate an alternating magnetic field through the excitation electrode, the measurement electrode measures MIT data according to the generated alternating magnetic field and secondary magnetic field, then the central control unit obtains the conductivity distribution in the living body through an image reconstruction algorithm according to the relation between the detection voltage and the conductivity distribution in the detected living body, the bleeding state of the target object is calculated according to the conductivity distribution in the target living body so as to judge whether the bleeding state exceeds a target threshold value or not, and the alarm unit timely alarms when the bleeding state exceeds the target threshold value so as to remind nearby medical staff to timely rescue, timely find the abnormal condition of the bleeding state of the detection part of the target object, and improve the safety of the target object.
Drawings
Fig. 1 illustrates a brain tissue standard image: based on the existing brain atlas library and image registration technology, a three-dimensional standard brain functional nuclear cluster map is sketched and used for registering with images generated based on MIT technology scanning. So as to accurately locate the bleeding areas of the brain tissue of the patient.
Fig. 2 illustrates a cap scan device design that enables full enclosure excitation source scanning.
Leaving a transcranial ultrasound probe at the location shown in fig. 3 facilitates registration with the ultrasound image, thereby more accurately locating the cerebral hemorrhage site.
Fig. 4 illustrates an image scanned through an MIT device (MIT- > contour clipping/ultrasound- > three-dimensional registration- > reconstruction).
Detailed Description
The application will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
Principle of magnetic induction (hereinafter abbreviated as MIT): the biological tissue has conductivity, and is placed in a constant strong magnetic field, a pulse magnetic field is applied to the biological tissue, and induced current is generated in the biological tissue. The current generates lorentz force under the coupling action of the constant strong magnetic field, and the lorentz force is alternating because the current is alternating. The biological tissue is an elastic tissue, and the Lorentz force can cause a tiny body unit of the biological tissue to generate vibration to emit sound waves, wherein the frequency of the sound waves is the same as that of alternating voltage. The sound wave emitted by the biological tissue is received by the detector, and the processing such as amplification, filtering, storage and the like is carried out. Because the acoustic wave signal contains conductivity information of biological tissues, an acoustic source image of the tissues can be reconstructed. And reconstructing a tissue conductivity parameter distribution image from the sound source image according to the electromagnetic field theory. The basic principle of MIT detection is Faraday electromagnetic induction theory, comprising the following steps: firstly, applying an alternating magnetic field to a detection area; then, when a substance with electromagnetic properties exists in the induction area, induced eddy currents are formed, so that a secondary magnetic field is generated; and finally, acquiring MIT data by using a magnetic field detector arranged outside the detection area, and obtaining an MIT image by using an image reconstruction algorithm after finishing post-processing of the data.
The wearable device capable of accurately positioning bleeding of brain tissue of a human body disclosed in this embodiment is realized based on the MIT technology, and the bleeding and ischemia conditions of the detection part of the target object are detected by placing the excitation electrode and the measurement electrode pair at the detection position of the target object. The power supply unit supplies power to the excitation electrode to continuously generate an alternating magnetic field through the excitation electrode. And the measuring electrode pair measures according to the generated alternating magnetic field and the induced magnetic field MIT data. And then, the central control unit obtains the conductivity distribution in the living body through an image reconstruction algorithm according to the relation between the detection voltage and the conductivity distribution in the living body to be detected, calculates the bleeding state of the target object according to the conductivity distribution in the target living body so as to judge whether the bleeding state exceeds a target threshold value, and timely alarms when the bleeding state exceeds the target threshold value so as to remind nearby medical staff to timely rescue, timely find the abnormal bleeding state of the detection part of the target object, and improve the safety of the target object.
As shown in fig. 1, in one embodiment, a wearable apparatus for precisely locating a bleeding position of a brain tissue of a human body by registering with a reference image of the brain tissue of the human body using a magnetic induction imaging principle according to the present application includes:
the excitation electrode comprises an excitation coil, and the excitation coils are connected to the target object detection position and are used for generating an alternating magnetic field.
And the measuring electrode pairs comprise 4-16 measuring electrodes which are all arranged at the detection position of the target object, and the current MIT data of the detection area of the target object is obtained according to the excitation magnetic signals.
And the power supply unit is electrically connected with the excitation electrode and is used for providing power for the excitation electrode.
And the central control unit is respectively and electrically connected with the power supply unit and the measuring electrode pair, and is used for controlling the power supply unit, obtaining the conductivity distribution in the living body through an image reconstruction algorithm according to the relation between the detection voltage and the conductivity distribution in the living body to be detected, and calculating the bleeding state of the target object according to the conductivity distribution in the target living body.
In this embodiment, when the bleeding state of the target object is to be detected, the excitation electrode is first placed at the detection position of the target object, an alternating magnetic field is generated under the power supply of the power supply unit, and the measurement electrode pair is also placed at the periphery of the detection position of the target object. In biomedical applications, it is generally assumed that the interior of an organism is passive and non-magnetically permeable, and that the electromagnetic properties of tissues within the organism are linear and isotropic, an alternating magnetic field is applied to the detection zone by the excitation electrode, and then induced eddy currents are formed when a substance having electromagnetic properties is present in the sensing zone, thereby generating a secondary magnetic field. The MIT data is then acquired using a pair of measurement electrodes arranged outside the detection region. And then, the central control unit obtains the relation between the detection voltage and the conductivity distribution in the detected organism according to MIT data, the conductivity distribution in the organism can be obtained through an image reconstruction algorithm, and a three-dimensional standard brain functional nuclear cluster map is sketched based on the existing brain map library and image registration technology. For registration with the image generated based on MIT technique scanning. So as to accurately position the bleeding area of the brain tissue of the patient, and calculate the bleeding state of the target object, thereby being convenient for finding out abnormal conditions in time.
The power supply unit may be a charging power supply or a battery power supply, where the charging power supply may ensure continuous operation and use of the device while avoiding pollution, and the battery power supply may ensure long-term use of the device.
In actual production, can carry out arbitrary position design and shape design to the inside mechanism of entire system according to performance and pleasing to the eye demand, can adopt the connected mode that current chip adopted often to connect between each chip, in order to satisfy the user demand under the different scenes simultaneously, can adopt the chip of different pin quantity.
Further, the inside record chip that still is provided with of central control unit is through detecting and the record to detection position bleeding, ischemic condition in the middle of wearing the in-process, guarantees to carry out more accurate monitoring to the main part, has good individualized configuration and can carry out the monitoring to different individuals, can effectually help medical personnel manage suspected bleeding, ischemic patient.
In some embodiments, the system further comprises an alarm unit, wherein the alarm unit is electrically connected with the central control unit, and the central control unit is used for sending an alarm signal to the alarm unit when the bleeding state of the target object exceeds a target threshold value, and the alarm unit alarms according to the alarm signal.
After the central control unit detects the current bleeding state of the target object detection position, when the bleeding state exceeds a target threshold value, the situation that the current bleeding state of the target object is abnormal can be determined, and then the central control unit sends an alarm signal to the alarm unit so as to start the alarm unit to alarm.
Further, the alarm unit comprises a sound chip and a vibrator, and after the alarm unit receives the alarm signal, the sound chip gives out sound alarm and the vibrator generates vibration.
Specifically, when the alarm unit starts an alarm, the sound chip is started to generate sound signals respectively, and the vibrator is started to generate vibration, so that medical staff near a target object are reminded to rescue in time.
The vibrator comprises a motor, a motor rotor is driven by the motor to rotate to drive a cam to rotate to generate vibration, or a linear motor is adopted, and an alarm unit can send out sound alarm and vibration alarm after receiving signals. After receiving the alarm signal, the medical staff can timely carry out emergency treatment on the patient. When nursing suspected bleeding, ischemia patient's patient, nursing personnel can in time discover the state of illness through the alarm information of alarm unit, handle the state of illness. The device can be used for monitoring and diagnosing certain potential diseases, such as hidden bleeding and ischemic diseases of brain, abdomen, heart and the like.
In some embodiments, the central control unit, the power supply unit and the vibrator are all integrally arranged inside a protective sleeve, a supporting and fixing device is arranged on the outer wall of one side of the protective sleeve, and the protective sleeve is fixed at the detection position of the target object through the supporting and fixing device, so that the protective sleeve is convenient to manufacture and use.
In some embodiments, the central control unit further comprises a wireless network card, so as to send the current bleeding state of the target object to a terminal device through the wireless network card.
In still other embodiments, the central control unit further comprises a bluetooth module to send the current bleeding status of the target object to a terminal device via the bluetooth module.
The central control unit can communicate with external terminal equipment by configuring the wireless network card and the Bluetooth module so as to send the bleeding state of the target object to the terminal equipment in time and early warn and inform in time.
Based on the device, the portable internal bleeding rapid classification diagnosis method can be realized, and comprises the following steps:
s1, fixedly placing an excitation electrode and a measurement electrode pair at a target object detection position;
s2, starting a power supply unit to supply power to the excitation electrode so as to generate an alternating magnetic field through the excitation electrode;
s3, after the excitation electrode generates the excitation magnetic field signal, acquiring current MIT data through the measurement electrode pair;
s4, the central control unit acquires alternating magnetic field and induced magnetic field MIT data through the measuring electrode pair, then obtains conductivity distribution in the living body through an image reconstruction algorithm according to the relation between the detection voltage and the conductivity distribution in the living body to be detected, and calculates the bleeding state of the target object according to the conductivity distribution in the target living body;
s5, the central control unit judges the bleeding state, and sends an alarm signal to the alarm unit after determining that the bleeding state exceeds a target threshold value so as to start the alarm unit to alarm.
In some embodiments, the alarm unit performs an audible and visual alarm by activating the audible chip and vibrator.
In summary, according to the wearable device and the method capable of precisely positioning bleeding of brain tissue of a human body provided by the embodiment of the application, the excitation electrode and the measuring electrode pair are fixed at the periphery of the detection position of the target object to detect the bleeding and ischemia conditions of the detection position of the target object, the power supply unit supplies power to the excitation electrode, so that an alternating magnetic field is continuously generated through the excitation electrode, the measuring electrode pair acquires alternating magnetic field and induced magnetic field MIT data, then the conductivity distribution in the living body is obtained through an image reconstruction algorithm according to the relation between the detection voltage and the conductivity distribution in the living body to be detected, the bleeding state of the target object is calculated according to the conductivity distribution in the living body to judge whether the bleeding state exceeds a target threshold, and the alarm unit alarms in time when the bleeding state exceeds the target threshold to remind nearby medical staff to rescue in time, so that the bleeding state of the monitoring position of the target object is abnormal in time is found, and the safety of the target object is improved. Therefore, the application effectively overcomes various defects in the prior art and has high industrial utilization value.
Claims (6)
1. A wearable device capable of accurately locating bleeding from human brain tissue, comprising:
the excitation electrode is positioned below a part to be detected of the detection target object, the part to be detected is positioned in the detection area, and an alternating magnetic field is applied to the detection area through the excitation electrode;
a measuring electrode pair arranged around a detection region of the detection target object in a noncontact manner;
a power supply unit electrically connected with the excitation electrode and used for providing power for the excitation electrode;
and the central control unit is respectively and electrically connected with the power supply unit and the measuring electrode pair, is used for controlling the power supply unit, collects MIT data through the measuring electrode pair, obtains the conductivity distribution in the living body through an image reconstruction algorithm according to the relation between the detection voltage and the conductivity distribution in the living body to be detected, and calculates the bleeding state of the detection target object according to the conductivity distribution in the detection target object.
2. The wearable device capable of accurately locating bleeding of human brain tissue of claim 1, further comprising an alarm unit electrically connected to the central control unit; and when the central control unit determines that the bleeding state of the detection target object exceeds a target threshold, sending an alarm signal to the alarm unit, and giving an alarm according to the alarm signal.
3. The wearable device of claim 2, wherein the alarm unit comprises a sound chip and a vibrator, the sound chip emitting a sound alarm and the vibrator producing vibrations after the alarm unit receives the alarm signal.
4. The wearable device capable of accurately positioning bleeding of brain tissue of a human body according to claim 1, wherein each measuring electrode in the pair of measuring electrodes is implemented by a measuring coil integrally provided inside a protective cover, a support is provided on an outer wall of one side of the protective cover, and the protective cover is located near a detection area of the detection target object by the support.
5. The wearable device capable of accurately positioning bleeding of human brain tissue according to claim 1, further comprising a wireless communication unit, wherein the central control unit transmits the current bleeding status of the detection target object to a terminal device via the wireless communication unit.
6. The wearable device capable of accurately positioning bleeding of brain tissue of a human body according to claim 1, further comprising a bluetooth module, wherein the central control unit transmits the current bleeding status of the detection target object to the terminal device through the bluetooth module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311106394.4A CN116982958A (en) | 2023-08-29 | 2023-08-29 | Wearable equipment capable of accurately positioning human brain tissue hemorrhage |
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| CN202311106394.4A CN116982958A (en) | 2023-08-29 | 2023-08-29 | Wearable equipment capable of accurately positioning human brain tissue hemorrhage |
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| CN116982958A true CN116982958A (en) | 2023-11-03 |
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