CN114849065A - A wearable cardiac defibrillator - Google Patents

Abstract

The invention relates to the technical field of medical instruments, and particularly discloses a wearable cardiac defibrillator which comprises a vest, two defibrillation electrodes arranged on the vest, a monitor and a pressing assembly, wherein the two defibrillation electrodes are respectively and electrically connected with the monitor, and the pressing assembly is used for pressing the two defibrillation electrodes onto the skin of a wearer. This wearing formula cardiac defibrillator's watch-dog monitors the wearing person's arrhythmia, when urgently needing to defibrillate the heart, compress tightly the subassembly at first and compress tightly two defibrillation electrodes on wearing person's skin, this setting can reduce the skin of wearing person and the impedance between the defibrillation electrode, and then defibrillation electrode can be more effectual defibrillates the treatment to wearing person, and then the defibrillation electrode that has solved current wearing formula cardiac defibrillator can't compress tightly with wearing person's skin, and then lead to the impedance great, the poor problem of effect of defibrillating to wearing person's heart.

Description

A wearable cardiac defibrillator

technical field

The invention relates to the technical field of medical devices, in particular to a wearable cardiac defibrillator.

Background technique

Randomized trials confirm that implantable cardioverter-defibrillators (ICDs) can reduce the risk of death in high-risk patients, but some patient groups have contraindications to implantable cardioverter-defibrillators and cannot receive implantable cardioverter-defibrillators. Fibrillator therapy.

Wearable cardiac defibrillator (WCD) can be used as a post-diagnosis transition therapy. Patients who are temporarily unable to implant an implantable cardioverter-defibrillator can choose a wearable cardiac defibrillator as a therapy. Once a malignant arrhythmia is reached, the standard wearable defibrillator will alarm, and if the patient has no feedback on the cancellation of the shock operation, the wearable defibrillator will initiate the shock.

At present, the wearable cardiac defibrillator includes a vest and two defibrillation electrodes and a controller set on the vest. After the vest is worn, the two defibrillation electrodes cannot be pressed against the patient's skin surface, resulting in the defibrillation electrodes The impedance with the patient's skin increases, resulting in a poorer defibrillation effect on the patient.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a wearable cardiac defibrillator, so as to solve the problem that after the patient wears the vest in the prior art, the two defibrillation electrodes cannot be pressed against the patient's skin surface, thereby causing the defibrillation electrodes to contact the patient. The impedance between the skin increases, leading to a problem that the defibrillation effect on the patient becomes poor.

The present invention provides a wearable cardiac defibrillator. The wearable cardiac defibrillator includes a vest and two defibrillation electrodes, a monitor and a compression assembly arranged on the vest. The two defibrillation electrodes are respectively connected with The monitor is electrically connected, the monitor is used to provide pulses to the two defibrillation electrodes, and the compression assembly is used to compress the two defibrillation electrodes against the skin of the wearer.

As a preferred technical solution of the wearable cardiac defibrillator, the compression assembly includes an annular air bag and a gas generator, and the inflator is connected to the monitor and used to inflate the annular air bag.

As a preferred technical solution of the wearable cardiac defibrillator, the two annular airbags are arranged on the vest, and the two annular airbags are respectively arranged on the side of the two defibrillation electrodes away from the wearer's skin .

As a preferred technical solution of the wearable cardiac defibrillator, the gas generator includes an ignition device, a combustion tube and a gas generating powder, the combustion tube is provided with an exhaust hole communicating with the annular airbag, and the gas generating powder Disposed in the combustion tube, the ignition device is electrically connected to the monitor and used for igniting the gas generating gunpowder.

As a preferred technical solution of the wearable cardiac defibrillator, the gas generator further includes a pilot powder, the pilot powder is arranged in the combustion tube, and the ignition device is used for igniting the ignition powder by igniting the pilot powder. The gas produces gunpowder.

As a preferred technical solution of the wearable cardiac defibrillator, there are at least two gas generators.

As a preferred technical solution of the wearable cardiac defibrillator, the monitor includes a controller and a heart monitor, the heart monitor is connected in communication with the controller, the heart monitor is arranged on the vest, the heart monitor is A heart monitor is used to monitor the wearer's heart rate.

As a preferred technical solution of a wearable cardiac defibrillator, the heart monitor includes a heart sound sensor, an ECG sensor and two monitoring electrodes, the heart sound sensor is used to detect the wearer's heart sound signal, and the ECG sensor monitoring the wearer's ECG signal through two monitoring electrodes;

The controller can calculate the heart rate according to the electrocardiogram signal and the heart sound signal, respectively, and determine whether the wearer's heart rate is abnormal according to the calculated heart rate.

As a preferred technical solution of the wearable cardiac defibrillator, the wearable cardiac defibrillator further includes a feedback module, the feedback module is connected in communication with the monitor, and the feedback module includes a warning device and a defibrillation button, so The warning device is used to issue a defibrillation alarm when the wearer has arrhythmia, and the defibrillation button is used for the wearer to manually operate to remove the defibrillation; the feedback module is equipped with a device that can be worn on the wearer's wrist. of the second fastener.

As a preferred technical solution of the wearable cardiac defibrillator, one of the defibrillation electrodes is installed on the chest area on the front side of the vest; the other defibrillation electrode is installed on the waist area on the front side or side of the vest;

The monitor is provided with a third fastener that can be worn on the wearer's upper arm.

The beneficial effects of the present invention are:

The present invention provides a wearable cardiac defibrillator. The wearable cardiac defibrillator includes a vest and two defibrillation electrodes, a monitor and a compression assembly arranged on the vest. The two defibrillation electrodes are respectively electrically connected to the monitor. , the compression assembly is used to compress the two defibrillation electrodes against the wearer's skin. The monitor of the wearable cardiac defibrillator detects that the wearer has arrhythmia, and when the heart needs to be defibrillated urgently, the compression assembly firstly presses the two defibrillation electrodes on the wearer's skin. This setting can reduce wear and tear. The impedance between the wearer's skin and the defibrillation electrodes, so that the defibrillation electrodes can more effectively defibrillate the wearer, thereby solving the problem that the defibrillation electrodes of the current wearable cardiac defibrillator cannot be pressed against the wearer's skin. This further leads to the problem of large impedance and poor defibrillation effect on the wearer's heart.

Description of drawings

1 is a schematic structural diagram 1 of a wearable cardiac defibrillator in an embodiment of the present invention;

2 is a second structural schematic diagram of a wearable cardiac defibrillator in an embodiment of the present invention;

3 is a schematic structural diagram 1 of a pressing assembly in an embodiment of the present invention;

4 is a schematic structural diagram 1 of a pressing assembly in an embodiment of the present invention;

5 is a schematic structural diagram of a gas generator in an embodiment of the present invention;

6 is a schematic structural diagram of a monitor in an embodiment of the present invention;

7 is a schematic structural diagram of an electrode body in an embodiment of the present invention;

Fig. 8 is the assembly schematic diagram of the trachea and the connecting wire in the embodiment of the present invention;

9 is a schematic structural diagram of an electrode plate in an embodiment of the present invention;

FIG. 10 is a schematic structural diagram 1 of a hinged connection of a plurality of electrode bodies in an embodiment of the present invention;

FIG. 11 is a second structural schematic diagram of hinged connection of a plurality of electrode bodies in an embodiment of the present invention;

12 is a schematic structural diagram of a monitor and a feedback module in an embodiment of the present invention;

13 is a schematic structural diagram of a heart monitor in an embodiment of the present invention;

Fig. 14 is a partial enlarged view at A in Fig. 2;

FIG. 15 is a schematic diagram of the overall connection of the wearable cardiac defibrillator in the embodiment of the present invention.

In the picture:

100. Wearer;

1. vest; 11. secret passage; 12. fixing parts;

21. Electrode body; 211, Electrode plate; 2111, Air vent; 212, Second joint; 22, Connecting wire; 23, Trachea; 24, First solenoid valve;

3, monitor; 31, power supply; 32, controller; 33, pump body; 34, liquid storage tank; 35, second solenoid valve; 36, third solenoid valve; 37, first branch; 38, second branch;

4. Compression assembly; 41, annular air bag; 42, gas generator; 421, ignition device; 422, combustion tube; 4221, exhaust hole; 423, gas generating gunpowder; 424, ignition gunpowder;

5. Heart monitor; 51. Heart sound sensor; 52. ECG sensor; 53. Monitoring electrode;

6. Feedback module.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance. Wherein, the terms "first position" and "second position" are two different positions, and the first feature being "above", "over" and "above" the second feature includes the first feature being "over" the second feature Directly above and diagonally above, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

As shown in FIGS. 1 to 15 , this embodiment provides a wearable cardiac defibrillator, which includes a vest 1 , two defibrillation electrodes disposed on the vest 1 , a monitor 3 and a compression assembly 4. The two defibrillation electrodes are electrically connected to the monitor 3 respectively, the monitor 3 is used to provide pulses to the two defibrillation electrodes, and the pressing component 4 is used to press the two defibrillation electrodes against the skin of the wearer 100 . The monitor 3 of the wearable cardiac defibrillator detects the arrhythmia of the wearer 100, and when the heart needs to be defibrillated urgently, firstly press the assembly 4 to press the two defibrillation electrodes on the skin of the wearer 100, this setting The impedance between the skin of the wearer 100 and the defibrillation electrodes can be reduced, so that the defibrillation electrodes can more effectively perform defibrillation treatment on the wearer 100, thereby solving the problem that the defibrillation electrodes of the current wearable cardiac defibrillator cannot be compatible with the defibrillation electrodes. The skin of the wearer 100 is compressed, which leads to a problem that the impedance is large and the defibrillation effect of the wearer 100 is poor.

As for the specific structure of the compression assembly 4, optionally, two compression assemblies 4 are provided, and the compression assembly 4 includes an annular air bag 41 and a gas generator 42. The gas generator 42 is connected to the monitor 3 and is used to supply the annular The airbag 41 is inflated; two annular airbags 41 are arranged on the vest 1 , and the two annular airbags 41 are respectively arranged on the side of the two defibrillation electrodes away from the skin of the wearer 100 . In this embodiment, when the wearer 100 puts on the vest 1 , the two annular airbags 41 are both sleeved on the body of the wearer 100 . When the heart rate of the wearer 100 is not abnormal, the compression assembly 4 is in a dormant state, and the annular airbag 41 is in a deflated state, so that no compression force is generated on the wearer 100 , which is beneficial to improve the comfort of the wearer 100 . When the monitor 3 detects that the heart rate of the wearer 100 is abnormal and the wearer 100 needs to be defibrillated, the monitor 3 controls the gas generator 42 to inflate the annular airbag 41 . With the expansion of the annular air bag 41 , the annular air bag 41 presses the corresponding defibrillation electrodes against the skin of the wearer 100 , thereby reducing the impedance between the skin of the wearer 100 and the defibrillation electrodes.

Regarding the specific structure of the gas generator 42, optionally, the gas generator 42 is arranged in the annular air bag 41; the gas generator 42 includes an ignition device 421, a combustion tube 422, a pilot powder 424 and a gas generating powder 423, and the combustion tube 422 The exhaust hole 4221 is provided, the gas generating powder 423 is arranged in the combustion tube 422, the ignition powder 424 is arranged in the combustion tube 422, the ignition device 421 ignites the pilot powder 424, and the ignition powder 424 ignites the gas generating powder 423. In this embodiment, after the ignition device 421 receives the ignition command from the monitor 3 , the ignition device 421 applies an ignition current to the ignition powder 424 . The ignition powder 424 burns under the action of the current pulse and ignites the gas generating powder 423 . The gas generated after the gas generating powder 423 is ignited is discharged into the annular air bag 41 through the exhaust hole 4221, and the annular air bag 41 expands after receiving the gas. The expanded annular air bag 41 pushes the defibrillation electrode to the human skin, and the defibrillation electrode is compressed. On human skin in contact with human skin. At this point, the automatic application of the defibrillation electrodes is completed, and the patient can be defibrillated. In other embodiments, the gas generator 42 may also be disposed outside the annular air bag 41 , and the exhaust hole 4221 may be disposed in the annular air bag 41 .

Due to the different body shapes of different wearers 100, the required inflation volume of the annular airbag 41 is also different. For this, optionally, at least two gas generators 42 are provided. In this embodiment, when the gas generating powder 423 in one gas generator 42 is completely burned, and the impedance between the defibrillation electrode and the skin surface of the wearer 100 does not meet the requirements for defibrillation, the remaining gas generators 42 work in sequence, Until the impedance between the defibrillation electrodes and the skin of the wearer 100 reaches the requirement for defibrillation. In other embodiments, the gas generator 42 can also be replaced with a gas pump.

As for how to determine whether the impedance between the skin of the wearer 100 and the defibrillation electrodes meets the defibrillation impedance requirement, optionally, the monitor 3 is provided with an impedance measurement circuit, and the impedance measurement circuit is electrically connected to the two defibrillation electrodes respectively, and the impedance measurement The circuit applies a measurement current to the two defibrillation electrodes, and calculates the defibrillation impedance according to the measurement current. If the defibrillation impedance does not meet the threshold requirement, it continues to inflate the annular air bag 41 until the defibrillation impedance requirement is reached, and then stops the inflation when the impedance is not reached. Ask to keep inflating. After reaching the impedance requirement, stop inflation and defibrillate at the same time. After the defibrillation is completed, the annular airbag 41 remains inflated. While the annular airbag 41 remains inflated, the monitor 3 detects whether the patient's heart rate returns to normal. If the normal heart rate is restored, the gas in the annular bladder 41 is released.

In order to ensure that the defibrillation electrodes are always pressed against the skin of the wearer 100 when the annular airbag 41 is inflated, optionally, the pressing assembly 4 further includes two limiters, and the two limiters respectively make the corresponding annular The balloons 41 are respectively fixed to the two defibrillation electrodes. In this embodiment, both ends of a limiting member are respectively fixed on the corresponding defibrillation electrodes, and the annular airbag 41 is inserted into the hole surrounded by the limiting member and the corresponding defibrillation electrodes.

When the defibrillation electrodes are in contact with the skin of the wearer 100 for a long time, moisture will be generated between the skin and the defibrillation electrodes. The humidity between the defibrillation electrodes is maintained within a preset range. Optionally, the monitor 3 includes a power source 31 , a controller 32 and a pump body 33 , and the controller 32 is connected to the power source 31 . It should be noted that the controller 32 is the MCU shown in FIG. 6 . The defibrillation electrode includes an electrode body 21 and a connecting wire 22. The electrode body 21 has a cavity structure and the side wall in contact with the skin of the wearer 100 is the electrode plate 211. The two ends of the connecting wire 22 are respectively connected to the electrode plate 211 and the power source 31. The electrode body 21 is connected with a first joint and a second joint 212. The first joint and the second joint 212 are respectively connected with the cavity structure. The electrode plate 211 is provided with ventilation holes 2111 at intervals. The pump body 33 pumps the gas from the first joint. into the cavity structure. In this embodiment, when the humidity exceeds the preset range value, the controller 32 controls the pump body 33 to work, thereby pumping the ambient air into the cavity structure from the first joint, and then outflowing from the second joint 212 . During this process, the flowing gas will take away the moisture between the electrode body 21 and the skin of the wearer 100 through the ventilation holes 2111 until the humidity between the electrode body 21 and the skin of the wearer 100 is within a preset range.

Optionally, the ventilation holes 2111 are arranged in an array. In this embodiment, the ventilation holes 2111 are formed with more edges, which can reduce the problem of skin burns caused by local arcs caused by high voltage during discharge.

Specifically, the defibrillation electrode further includes a temperature sensor and a humidity sensor, and the monitor 3 detects the temperature and humidity between the defibrillation electrode and the skin of the wearer 100 through the temperature sensor and the humidity sensor.

Specifically, the power supply 31 includes a high-voltage boost circuit and a capacitor C, and the monitor 3 further includes a discharge circuit. When the patient suffers from malignant arrhythmia (including ventricular fibrillation and ventricular tachycardia), the high-voltage booster circuit charges the capacitor C. After the capacitor C is charged, the discharge circuit performs biphasic defibrillation on the human body through the defibrillation electrodes.

Specifically, the defibrillation electrode also includes a trachea 23 , and the connecting wire 22 enters the cavity structure from the first joint. The tracheal tube 23 is sleeved outside the connecting wire 22 and has one end communicated with the first connector and the other end communicated with the outlet of the pump body 33 . . In this embodiment, one end of the air pipe 23 is inserted into the first joint, and the other end of the air pipe 23 is inserted into the outlet of the pump body 33 . The trachea 23 is spaced apart from the connecting wire 22 inside. One end of the connecting wire 22 enters the cavity structure from the first joint and is electrically connected to the electrode body 21 .

In order to further reduce the impedance between the electrode body 21 and the skin of the wearer 100, optionally, the defibrillation electrode further includes a first solenoid valve 24, and the monitor 3 further includes a liquid storage tank 34 and a solenoid valve group, specifically, the solenoid valve The group includes a second solenoid valve 35 and a third solenoid valve 36. The first solenoid valve 24 controls the opening and closing of the second joint 212. The inlet of the pump body 33 is provided with a first branch 37 and a second branch 38. The first branch The circuit 37 communicates with the liquid storage tank 34, the second branch 38 communicates with the environment, the second solenoid valve 35 and the third solenoid valve 36 control the opening and closing of the first branch 37 and the second branch 38 respectively, and the first solenoid valve 24. The second solenoid valve 35 and the third solenoid valve 36 are respectively connected to the controller 32. In this embodiment, conductive glue is stored in the liquid storage tank 34 . When the controller 32 detects that the heart rate of the wearer 100 is abnormal and the wearer 100 needs to be defibrillated, the controller 32 controls the first solenoid valve 24 to be in a closed state, controls the third solenoid valve 36 to be in a closed state, and opens the second solenoid valve 36 The solenoid valve 35 and the pump body 33 pump the conductive glue out through the first branch 37 and into the cavity structure through the trachea 23. Since the second joint 212 is in a closed state, the conductive glue entering the cavity structure passes through the ventilation holes 2111 reaches between the electrode body 21 and the skin of the wearer 100 . In turn, the impedance between the electrode body 21 and the skin of the wearer 100 can be further reduced. When the humidity between the electrode body 21 and the skin of the wearer 100 needs to be controlled, only the first solenoid valve 24 and the third solenoid valve 36 need to be opened. At the same time, the second solenoid valve 35 can be closed.

In daily life and work, the wearer 100 often has some bending movements. In order to keep the defibrillation electrodes in contact with the skin of the wearer 100 and with the physiological curvature of the waist, optionally, the electrodes are There are a plurality of main bodies 21 , and the plurality of electrode bodies 21 are hinged in sequence. In this embodiment, the plurality of electrode bodies 21 are hinged in sequence so that the defibrillation electrodes can adjust their shape according to the posture of the wearer 100 , thereby ensuring that the defibrillation electrodes are always in contact with the skin of the wearer 100 .

Optionally, the monitor 3 further includes a heart monitor 5, the heart monitor 5 is connected in communication with the controller 32, the heart monitor 5 is arranged on the vest 1 and is located on the chest of the human body, and the heart monitor 5 is used to monitor the heart rate of the wearer 100. . In this embodiment, the heart monitor 5 and the controller 32 are connected by wired communication or wireless communication.

For the specific structure of the heart monitor 5, optionally, the heart monitor 5 includes a heart sound sensor 51, a processor, an electrocardiogram sensor 52, a battery, a wireless communication module and two monitoring electrodes 53; The skin of the wearer 100 is attached to or implanted into the skin of the wearer, the ECG sensor 52 detects the ECG signal of the heart of the wearer 100 through the two monitoring electrodes 53 , and the heart sound sensor 51 can directly monitor the heart sound signal of the human body. The processor calculates the heart rate through the heart sound signal and the electrocardiogram signal respectively, the processor transmits the signal to the controller 32 through the wireless communication module, and the controller 32 judges whether malignant arrhythmia (including ventricular fibrillation, ventricular fibrillation, ventricular tachycardia), if a malignant arrhythmia (including ventricular fibrillation, ventricular tachycardia) occurs, a shock warning is issued. In this embodiment, the heart rate is calculated by using the ECG signal and the heart sound signal respectively, and then the heart rate detected by the ECG sensor 52 and the heart rate detected by the heart sound sensor 51 are compared. If the heart rates detected by both are abnormal, it can be determined that The wearer 100 suffers from malignant arrhythmia, and this setting can improve the accuracy of heart rate monitoring.

In order to prevent erroneous detection by the heart monitor 5, the wearable cardiac defibrillator further includes a feedback module 6, which is connected in communication with the monitor 3, and includes a warning device and a defibrillation button. In this embodiment, when the monitor 3 determines that the cardiac monitor 5 has detected a malignant arrhythmia, the monitor 3 sends an instruction of whether to shock or not to the defibrillation button of the feedback module 6, if the defibrillation button is actuated within the preset time , defibrillation is canceled, and if the button is not actuated within the preset time, defibrillation is performed through the defibrillation electrodes. At the same time, the warning device also includes a display screen and an alarm. The alarm reminds the wearer whether the heart rate of 100 is in a malignant abnormal state. amount of conductive glue in tank 34, etc.).

Optionally, the feedback module 6 is provided with a second fixing member that can be worn on the wrist of the wearer 100 . In this embodiment, the feedback module 6 is arranged on the wrist to facilitate the viewing and operation of the wearer 100 . Specifically, the second fixing member is arranged on the wrist of the vest 1, the second fixing member is a receiving bag, the feedback module 6 is placed in the receiving bag, and the receiving bag has an opening or a transparent flexible panel for the wearer 100 to operate, so as to facilitate the operation of the wearer 100. The wearer observes or operates the feedback module 6 through the opening or transparent flexible panel. In other embodiments, the second fixing member may also be a wrist strap or the like.

Optionally, the feedback module 6 and the monitor 3 are connected by wire, and the wire is arranged in the dark channel 11 of the vest 1 at the arm part. In other embodiments, the feedback module 6 may also be wirelessly connected to the monitor 3 . The feedback module 6 can be designed as a wristband structure.

Optionally, one of the defibrillation electrodes is installed on the chest area on the front side of the vest 1; the other defibrillation electrode is installed on the waist area on the front side or side of the vest 1, and the monitor 3 is equipped with a device that can be worn on the wearer 100. The third fixture of the upper arm. In this embodiment, this setting can facilitate the daily life and rest of the wearer 100 . Disposing the two defibrillation electrodes on the chest of the wearer 100 and the waist region on the front or side of the wearer 100 can make it convenient for the wearer 100 to feel no pressure on the back when resting. In the monitor 3, the volume of the defibrillation electrodes can be reduced. In addition, the defibrillation electrodes are located on the chest and waist of the patient, and the defibrillation vector formed by the defibrillation electrodes during discharge can cover most of the myocardium.

Setting the monitor 3 on the upper arm will not affect the normal work and life of the wearer 100 . Specifically, the third fixing member may be a pocket provided on the vest 1 , a fixing strap, a snap-on member, a magnetic attraction member, or the like.

Optionally, the vest 1 is provided with a dark channel 11 , and a connecting wire 22 and a trachea 23 pass through the dark channel 11 , one end of the connecting wire 22 is connected to the monitor 3 , and the other end of the connecting wire 22 is connected to the electrode body 21 . In this embodiment, on the one hand, the dark channel 11 can hide the connecting wire 22 and the trachea 23 , and on the other hand, it can prevent interference with the normal activities of the wearer 100 . Specifically, the dark channel 11 may be arranged on the side of the vest 1 close to the skin of the wearer 100 , or may be arranged on the side of the vest 1 away from the skin of the wearer 100 .

Optionally, the vest 1 further includes a fixing member 12 , and the fixing member 12 fixes the connecting wire 22 and the trachea 23 in the dark channel 11 . In this embodiment, the fixing member 12 can prevent the connecting wire 22 and the trachea 23 from sliding in the dark channel 11 , thereby affecting the movement of the defibrillation electrodes and the monitor 3 .

Optionally, the defibrillation electrode further includes a helix 25 , one end of the helix 25 is connected to one end of the connecting wire 22 , and the other end of the helix 25 is connected to the electrode body 21 . In this embodiment, the helical wire 25 can expand and contract under the action of external force, so when the wearer 100 performs a large movement, the helical wire 25 can prevent the wire from pulling the electrode and prevent the electrode from falling off due to pulling.

The monitor 3 also includes a communication and program control module, which includes Bluetooth communication, WIFI and other existing known communication methods to communicate with the program control device. The program control device is used to provide basic information of the wearable cardiac defibrillator to the doctor/manufacturer. The device transmits the data in the wearable cardiac defibrillator to the internal storage of the program-controlled device through communication, or transmits the information of the wearable cardiac defibrillator to the cloud through the program-controlled device. The program-controlled device can also transmit the program-controlled parameters of the wearable cardiac defibrillator set by the doctor to the wearable cardiac defibrillator through wireless communication, and the wearable cardiac defibrillator works with the new parameters. These programmable parameters include, but are not limited to: diagnostic zone parameters, diagnostic count parameters, defibrillation vector parameters, ventilation parameters.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the embodiments of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. The wearable cardiac defibrillator is characterized by comprising a vest (1), two defibrillation electrodes arranged on the vest (1), a monitor (3) and a pressing component (4), wherein the two defibrillation electrodes are electrically connected with the monitor (3) respectively, the monitor (3) is used for providing pulses for the two defibrillation electrodes, and the pressing component (4) is used for pressing the two defibrillation electrodes onto the skin of a wearer (100).

2. The wearable cardiac defibrillator of claim 1, wherein the compression assembly (4) comprises a ring-shaped balloon (41) and a gas generator (42), the gas generator (42) being connected to the monitor (3) and serving to inflate the ring-shaped balloon (41).

3. The wearable cardiac defibrillator as claimed in claim 2, wherein two of the annular balloons (41) are provided to the vest (1), the two annular balloons (41) being provided on a side of the two defibrillation electrodes, respectively, which is remote from the skin of the wearer (100).

4. The wearable cardiac defibrillator as claimed in claim 3, wherein the gas generator (42) comprises an ignition device (421), a combustion tube (422) and a gas generating charge (423), the combustion tube (422) being provided with a vent hole (4221) communicating with the annular airbag (41), the gas generating charge (423) being disposed within the combustion tube (422), the ignition device (421) being electrically connected with the monitor (3) and being used for igniting the gas generating charge (423).

5. The wearable cardiac defibrillator as claimed in claim 4, wherein the gas generator (42) further comprises an ignition charge (424), the ignition charge (424) being disposed within the combustion tube (422), the ignition device (421) being configured to ignite the gas generation charge (423) by igniting the ignition charge (424).

6. The wearable cardiac defibrillator of any of claims 2-5 wherein at least two gas generators (42) are provided.

7. The wearable cardiac defibrillator as claimed in claim 1, wherein the monitor (3) comprises a controller (32) and a heart monitor (5), the heart monitor (5) being in communicative connection with the controller (32), the heart monitor (5) being provided to the vest (1), the heart monitor (5) being for monitoring the heart rate of the wearer (100).

8. The wearable cardiac defibrillator as claimed in claim 7, wherein the cardiac monitor (5) comprises a heart sound sensor (51), an electrocardiogram sensor (52) and two monitoring electrodes (53), the heart sound sensor (51) being configured to detect a heart sound signal of the wearer (100), the electrocardiogram sensor (52) monitoring the electrocardiogram signal of the wearer (100) via the two monitoring electrodes (53);

the controller (32) is capable of calculating the heart rate from the electrocardiographic signal and the heart sound signal, respectively, and determining whether the heart rate of the wearer (100) is abnormal from the calculated heart rate.

9. The wearable cardiac defibrillator of claim 1, further comprising a feedback module (6), the feedback module (6) being in communication with the monitor (3), the feedback module (6) comprising an alarm for issuing a defibrillation alarm when the wearer (100) is experiencing arrhythmia and a defibrillation button for the wearer (100) to manually operate to cancel defibrillation; the feedback module (6) is provided with a second fixing member which can be worn on the wrist of the wearer (100).

10. The wearable cardiac defibrillator of claim 1, wherein one of the defibrillation electrodes is mounted to the chest region on the front side of the vest (1); the other defibrillation electrode is arranged at the waist area on the front side or the side of the vest (1);

the monitor (3) is provided with a third fixing member which can be worn on the upper arm of the wearer (100).

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