CN220714573U

CN220714573U - Defibrillator device

Info

Publication number: CN220714573U
Application number: CN202321744123.7U
Authority: CN
Inventors: 崔丽真; 成孟容; 王旭; 李�浩
Original assignee: Jiuxin Medical Science & Technology (suzhou) Co ltd
Current assignee: Jiuxin Medical Science & Technology (suzhou) Co ltd
Priority date: 2023-06-15
Filing date: 2023-07-05
Publication date: 2024-04-05
Anticipated expiration: 2033-07-05
Also published as: CN116850459A

Abstract

The application relates to a defibrillator, including the casing and install in circuit board in the casing, be provided with the defibrillation module on the circuit board, the defibrillation module includes defibrillation circuit board subassembly, defibrillation circuit board subassembly perpendicular to circuit board installs. The defibrillator of this application is through the structure of rational arrangement internal circuit board for the defibrillator structure is compacter, and the volume reduces, solves among the relevant technique, because the weight and the size of defibrillator are great, influences artifical delivery speed, leads to missing the problem of best rescue time.

Description

Defibrillator device

Cross Reference to Related Applications

The present application claims priority from chinese patent application No. 2023215304061, entitled defibrillator, filed on date 15 at 6/2023, the entire contents of which are incorporated herein by reference.

Technical Field

The utility model relates to emergency medical equipment, belongs to the technical field of external defibrillation, and in particular relates to a defibrillator.

Background

An Automatic External Defibrillator (AED) is a portable emergency medical device that has an irreplaceable role in the rescue of cardiac patient incidents.

When a patient is in sudden cardiac arrest, the most effective method of stopping sudden death is to defibrillate and resuscitate the patient with the AED only in the "golden 4 minutes" of optimal rescue time, and therefore, the AED device needs to be brought to the patient as soon as possible.

Currently, AED devices rely primarily on manual dispensing, and in the related art, AED devices are heavy and large in weight, which slows down manual dispensing and may miss optimal rescue time.

Accordingly, there is a need for improvements in the related art that overcome the shortcomings of the related art.

Disclosure of Invention

The application provides a defibrillator, can solve among the relevant technique, because the weight and the size of defibrillator are great, influence artifical delivery speed, lead to missing the problem of best rescue time.

The technical scheme provided by the utility model is as follows:

the utility model provides a defibrillator, includes the casing and install in circuit board in the casing, be provided with the defibrillation module on the circuit board, the defibrillation module includes defibrillation circuit board subassembly, defibrillation circuit board subassembly perpendicular to circuit board installs.

Optionally, according to an embodiment of the present application, the housing includes a front shell and a rear shell, the circuit board is mounted on the front shell, and the defibrillation module is mounted on a side surface of the circuit board opposite to the front shell;

the circuit board is provided with operation keys on a side plate surface facing the front shell, an operation panel is arranged on the front shell, a button is arranged on the operation panel, and the operation keys are right opposite to the button.

Optionally, according to an embodiment of the present application, the front shell and the rear shell are fixed on a first layer by clamping, and are fixed on a second layer by screws at four corners.

Optionally, in accordance with an embodiment of the present application, the defibrillator module further includes a storage capacitor, the storage capacitor and the circuit board being mounted on the front shell panel.

Optionally, according to an embodiment of the present application, a side surface of the circuit board facing away from the front shell has a first mounting area and a second mounting area, where the first mounting area and the second mounting area are located at opposite end areas of the circuit board;

the defibrillation circuit board assembly comprises a main control circuit board, a parameter acquisition circuit board and a discharge circuit board, wherein the parameter acquisition circuit board and the discharge circuit board are vertically inserted in the first installation area, and the main control circuit board is vertically inserted in the second installation area.

Optionally, according to an embodiment of the present application, a position of the rear shell corresponding to the main control circuit board, the parameter acquisition circuit board, and the discharge circuit board is provided with a limiting groove, and the main control circuit board, the parameter acquisition circuit board, and the discharge circuit board are respectively and correspondingly clamped in the limiting groove.

Optionally, according to an embodiment of the present application, the discharging circuit board and the parameter collecting circuit board are mounted as close as possible, and an insulating layer is disposed between the discharging circuit board and the parameter collecting circuit board.

Optionally, according to an embodiment of the present application, an area between the first mounting area and the second mounting area is a containing space, and the rear housing is provided with a battery containing cavity, and the battery containing cavity is located in the containing space.

Optionally, according to an embodiment of the present application, a first fool-proof structure is disposed in the battery accommodating cavity, a battery of the defibrillator is disposed with a second fool-proof structure matched with the first fool-proof structure, and the battery is mounted in the battery accommodating cavity through cooperation of the first fool-proof structure and the second fool-proof structure.

Optionally, according to an embodiment of the present application, the first fool-proof structure is a fool-proof protruding strip, the fool-proof protruding strip is disposed along an axial direction of the battery accommodating cavity, and a height of the fool-proof protruding strip is gradually increased along a battery insertion direction; the second fool-proof structure is a fool-proof groove, the fool-proof groove is arranged along the length direction of the battery, and the fool-proof groove is matched with the fool-proof convex strips.

Optionally, according to an embodiment of the present application, a charging module is disposed on the circuit board, and the charging module is close to the second mounting area and located at a diagonal position with the parameter acquisition circuit board.

Optionally, according to the defibrillator of the embodiment of the present application, an accommodating space is formed between a side of the charging module, which is far away from the second mounting area, and the housing, and a part of components on the circuit board are located in the accommodating space.

Optionally, according to the defibrillator of the embodiment of the present application, a discharge circuit is disposed on the discharge circuit board, and the discharge circuit includes an IGBT module, and the IGBT module adopts a patch type packaging structure.

Optionally, according to the defibrillator of the embodiment of the present application, a first assembly space and a second assembly space are formed between the two ends of the energy storage capacitor in the axial direction and the housing, the first assembly space is provided with a speaker, and the second assembly space is provided with a host socket for plugging an electrode slice.

Optionally, according to an embodiment of the present application, a sound outlet of the speaker is disposed on a side wall of the housing corresponding to the first assembly space, and a jack of the host socket is disposed on a side wall of the housing corresponding to the second assembly space.

The utility model has the beneficial effects that: the application provides a defibrillator, including setting up the circuit board in the casing, the circuit board is provided with defibrillation circuit board subassembly, and defibrillation circuit board subassembly installs perpendicularly on the circuit board. According to the external defibrillator, the arrangement mode of the defibrillator circuit board assemblies and the circuit boards is reasonably arranged, so that the arrangement of the internal components of the external defibrillator is more compact, the arrangement space of the circuit boards can be effectively saved, the volume of the defibrillator is reduced, and the miniaturized design of the external defibrillator is realized.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

Fig. 1 is an exploded schematic view of a defibrillator provided in one embodiment of the present application;

fig. 2 is a schematic diagram of the arrangement of components of a defibrillator according to one embodiment of the present application;

FIG. 3 is an exploded view of an assembly of a rear housing with a battery provided in one embodiment of the present application;

fig. 4 is an exploded view of an assembly of a defibrillator front case and a circuit board provided in one embodiment of the present application.

In the figure, 1-shell, 11-front shell, 111-first assembly, 112-second assembly, 116-loudspeaker sound outlet, 113-operation panel, 114-start button, 115-defibrillation button, 117-snap-on head, 12-rear shell, 121-battery accommodating cavity, 122-fool-proof convex strip, 123-snap-on seat, 2-circuit board, 21-defibrillation circuit board component, 3-first installation area, 4-second installation area, 5-accommodation space, 6-battery, 61-fool-proof groove and 7-energy storage capacitor.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

While current AED devices rely primarily on manual dispensing, the relatively large volume and weight of the defibrillator in the related art slows down the manual dispensing rate and, therefore, may miss the optimal rescue time.

Based on the foregoing technical problems, embodiments of the present application provide a defibrillator including, but not limited to, an automatic external defibrillator (Automated External Defibrillator, AED).

The defibrillator provided in the present application will be described in detail below.

Fig. 1 is an exploded view of a defibrillator according to an embodiment of the present application, as shown in fig. 1, the defibrillator according to the embodiment includes:

the circuit board comprises a shell 1 and a circuit board 2 arranged in the shell, wherein the shell 1 comprises a front shell 11 and a rear shell 12, a shell cavity is formed by covering the front shell 11 and the rear shell 12, and the circuit board 2 is arranged in the shell cavity.

The circuit board 2 is provided with a defibrillation module comprising a defibrillation circuit board assembly mounted perpendicular to the circuit board 2.

The defibrillation circuit board assembly of the embodiment comprises a parameter acquisition circuit board, a discharging circuit board and a main control circuit board, and the parameter acquisition circuit board, the discharging circuit board and the main control circuit board are vertically inserted on the circuit board 2.

Through installing defibrillation circuit board subassembly 21 perpendicular to circuit board 2 for the inside defibrillation circuit board subassembly 21 of defibrillator arranges compacter, effectively saves the embryo cloth space of circuit board 2, realizes the miniaturization of defibrillator volume.

It will be appreciated that, as shown in fig. 1, the defibrillation module of the present embodiment further includes a storage capacitor 7, the storage capacitor 7 is installed in the cavity of the housing, and the storage capacitor 7 and the circuit board 2 are installed on the panel of the housing of the front case.

Specifically, a first fitting 111 matching with the storage capacitor and a second fitting 112 matching with the circuit board are provided on the case panel of the front case 11, and the first fitting 111 and the second fitting 112 are provided on the case panel of the front case 11, for example. The storage capacitor 7 is mounted on the first mounting position 111, and the circuit board 2 is mounted on the second mounting position 112.

By installing the energy storage capacitor 7 and the circuit board 2 along the same shell panel, the staggered arrangement of the energy storage capacitor 7 and the circuit board 2 in the thickness direction is avoided, and the size of the defibrillator in the thickness direction is reduced.

It should be noted that the description herein of "first," "second," etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first," "second," etc. can include at least one such feature, either explicitly or implicitly.

Fig. 2 is a schematic diagram showing the arrangement of components of the defibrillator according to one embodiment of the present application, wherein, as shown in fig. 2, a side surface of the circuit board facing away from the front case is provided with a first mounting area and a second mounting area, and the first mounting area and the second mounting area are located at opposite end areas of the circuit board; the parameter acquisition circuit board and the discharge circuit board are located in a first installation area, and the main control circuit board is located in a second installation area.

Specifically, the circuit board 2 includes a first PCB substrate, and a side of the first PCB substrate facing away from the front case is provided with a first mounting area 3 and a second mounting area 4.

The first installation area 3 is provided with parameter acquisition circuit board and discharge circuit board at least, and the second installation area 4 is provided with main control circuit board at least, and parameter acquisition circuit board, discharge circuit board and main control circuit board peg graft perpendicularly in the circuit board.

The parameter acquisition circuit board and the discharge circuit board are as close as possible, so that the arrangement of the parameter acquisition circuit board and the discharge circuit board is more compact, and the size of the power board is smaller.

It will be appreciated that an insulating layer, illustratively an insulating glue plate, is provided between the discharge circuit board and the parameter acquisition circuit board.

By arranging the insulating layer between the discharge circuit board and the parameter acquisition circuit board, signal interference of the discharge circuit board to the parameter acquisition circuit board in the discharge process can be avoided.

The parameter acquisition circuit board comprises a second PCB substrate, and a parameter acquisition circuit is arranged on the second PCB substrate and used for acquiring electrocardiosignals and human body impedance signals of a user; the discharging circuit board comprises a third PCB substrate, a discharging circuit is arranged on the third PCB substrate, and the discharging circuit is used for releasing defibrillation waveforms adjusted based on human body impedance according to electrocardiosignals of a patient.

The main control circuit board comprises a fourth PCB substrate, a main control circuit is arranged on the fourth PCB substrate, and the main control circuit is electrically connected with the parameter acquisition circuit and the discharge circuit. The main control circuit is used for judging whether defibrillation is required according to the electrocardiosignal, if so, the charging module is controlled to charge the energy storage capacitor of the defibrillator, and after the charging is completed, the discharging circuit is controlled to work, the energy storage capacitor begins to discharge, and defibrillation is executed for a user.

The bottom of the second PCB substrate is provided with a first inserting sheet, the bottom of the third PCB substrate is provided with a second inserting sheet, and the first PCB substrate is provided with a first inserting hole matched with the first inserting sheet and a second inserting hole matched with the second inserting sheet.

The second PCB substrate is inserted into the first jack through the first inserting sheet, the first inserting sheet is provided with a first bonding pad, the first jack is provided with a second bonding pad, and the first bonding pad is connected with the second bonding pad.

The third PCB substrate is inserted into the second jack through the second inserting sheet, the second inserting sheet is provided with a third bonding pad, the second jack is provided with a fourth bonding pad, and the third bonding pad is connected with the fourth bonding pad.

The second installation area on the first PCB substrate is provided with a main control circuit board interface, the fourth PCB substrate is provided with a connecting plug matched with the main control circuit board interface, and the fourth PCB substrate is spliced to the main control circuit board interface through the connecting plug.

According to the embodiment of the application, the positions of the parameter acquisition circuit board, the discharge circuit board and the main control circuit board on the circuit board are reasonably arranged, and the parameter acquisition circuit board, the discharge circuit board and the main control circuit board are arranged perpendicular to the circuit board, so that internal components of the external defibrillator are compactly arranged, the arrangement space can be effectively saved, and the external defibrillator is miniaturized.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

It can be appreciated that the third PCB board is provided with a high voltage discharge circuit, which includes an IGBT module, and the IGBT module adopts a patch type package structure.

The IGBT module adopts a patch type packaging structure, occupies a small area of the third PCB, saves the area of the third PCB, reduces the occupied space of the third PCB on the first PCB, thereby reducing the volume of the first PCB and being beneficial to reducing the overall size of the defibrillator.

As shown in fig. 2, it is understood that the first mounting region and the second mounting region are disposed at opposite end regions of the circuit board in the width direction.

Of course, in other embodiments, the first mounting region and the second mounting region may be located at opposite end regions of the circuit board along the length direction.

Illustratively, the first mounting region and the second mounting region are disposed at opposite end regions of the circuit board in the width direction, and the circuit board is provided with the charging module and the power interface at one end region of the circuit board in the length direction.

The power interface is used for being electrically connected with a direct current power supply (i.e. a battery), and the charging module is used for boosting the low-voltage direct current and storing the low-voltage direct current in the energy storage capacitor.

The charging module is installed close to the power interface, shortens the length of the connecting line of the power interface and the charging module, reduces energy loss on the connecting line in the charging process, improves the charging efficiency, simultaneously, ensures that the overall layout of the circuit board is more compact, and is beneficial to the miniaturization of the defibrillator.

It can be appreciated that the charging module is installed near the second installation area, and the charging module and the parameter acquisition circuit board are located at diagonal positions.

As shown in fig. 2, the charging module is installed near the second installation area, and the parameter acquisition circuit board is far away from one end of the charging module in the first installation area. Therefore, the distance between the charging module and the parameter acquisition circuit board on the circuit board is relatively long, and electromagnetic interference formed on the parameter acquisition circuit board by the charging module during charging can be effectively reduced.

It is understood that a housing space is formed between the housing and one side of the charging module away from the second mounting area, and a part of components on the circuit board are located in the housing space, where the part of components may include an inductor, a switching device, and the like.

Through setting up some devices on the circuit board and acceping in this accommodation space, can make full use of the space in the defibrillator like this, improve the compactness that the internal components and parts of defibrillator were arranged, promote the miniaturization of defibrillator.

As can be appreciated, the circuit board is provided with a receiving space, the rear case 12 is provided with a battery receiving cavity 121, the battery receiving cavity 121 is disposed in a region corresponding to the receiving space, and the battery receiving cavity 121 is located in the receiving space when the front case and the rear case are in a closed state.

Through setting up accommodation space at the circuit board to set up the battery in the region of backshell corresponding accommodation space and accept the chamber, and the battery accepts the chamber and be located the accommodation space, make battery accept chamber and circuit board thickness as little as possible in the superimposed thickness in thickness direction, and then reduce the thickness of defibrillator, reduce whole machine size.

Specifically, the embodiment sets a space between the first mounting area and the second mounting area on the circuit board as the accommodating space.

The battery housing cavity 121 is a cavity having an opening formed integrally with the rear case by injection molding. The battery housing cavity 121 is a cavity formed in the rear case from the bottom end to the top end of the rear case along the length direction of the circuit board, and when the rear case 12 and the front case 11 are covered, the battery housing cavity 121 corresponds to the position of the housing space. An opening of the battery receiving cavity 121 is provided at the bottom end of the rear case, and the battery is inserted into the battery receiving cavity 121 along the opening.

Of course, in other embodiments, the first mounting region and the second mounting region on the first PCB substrate may be arranged along the substrate length direction of the first PCB substrate, and the setting direction and the opening position of the battery receiving cavity may be adjusted accordingly.

When the battery is plugged into the battery accommodating cavity, if the situation that the anode and the cathode of the battery are plugged reversely occurs, the host of the defibrillator can be abnormal, and economic loss is caused.

To this technical problem, fig. 3 shows an assembly explosion schematic diagram of a rear housing and a battery provided in an embodiment of the present application, and it can be understood that, as shown in fig. 3, a first foolproof structure is disposed in an axial direction of a battery accommodating cavity 121, and a second foolproof structure is disposed on a surface of a battery 6, where the first foolproof structure is matched with the second foolproof structure.

Wherein, the first fool-proof structure is fool-proof raised strips 122, the fool-proof raised strips 122 are arranged along the axial direction of the battery accommodating cavity, the height of the fool-proof raised strips 122 is gradually increased along the insertion direction of the battery, the second fool-proof structure is fool-proof grooves 61, the fool-proof grooves 61 are arranged along the length direction of the battery, and the fool-proof grooves 61 are matched with the fool-proof raised strips 122.

When the battery 6 is inserted into the battery receiving cavity 121, the fool-proof protrusion 122 is positioned in the fool-proof groove 61. If the battery is inserted reversely, for example, the surface of the battery 6 where the fool-proof groove 61 is provided does not face the fool-proof protruding strip 121, the insertion process of the battery 6 is blocked, and the battery 6 cannot be inserted into the battery receiving cavity 121.

Of course, in other embodiments, the first fool-proof structure may be a fool-proof groove, and the second fool-proof structure is a fool-proof protruding strip. Wherein, prevent slow-witted sand grip also can change into a plurality of slow-witted archs that prevent, and along battery insertion direction, prevent that slow-witted bellied height increases gradually.

According to the embodiment of the application, the first fool-proof structure and the second fool-proof structure are arranged, so that the battery can be prevented from being reversely inserted, the battery can be ensured to be always inserted into the battery accommodating cavity in a correct mode, and the safety of battery installation is improved.

Further, a communication module is arranged in the accommodating space at an end area far away from the charging module, and the communication module is mounted on the fifth PCB substrate.

The communication module is used for uploading data such as self-checking results of the defibrillator to the target equipment, so that management staff can conveniently maintain and manage the defibrillator.

The first PCB substrate is provided with a communication interface for accessing the communication module, and the fifth PCB substrate is spliced on the communication interface in a direction parallel to the first PCB substrate.

Fig. 4 is an exploded assembly schematic diagram of the front case and the circuit board according to an embodiment of the present application, as shown in fig. 4, it may be understood that the circuit board further includes an operation key and a key circuit disposed on the first PCB substrate, the key circuit is electrically connected to the operation key, and the operation key and the key circuit are disposed on a surface of the first PCB substrate facing the front case.

The front case 11 is generally provided with an operation panel 113, and the operation panel 113 is provided with a button, and the operation key of the first PCB substrate is opposite to the button, so that a user can trigger the operation key when pressing the button.

The main control circuit is connected with the key circuit, and the main control circuit receives a trigger signal for operating the key to control the defibrillator to enter a corresponding working mode.

The operating keys may include a power-on key 114 and an operating mode key, wherein the operating mode key includes at least a defibrillation key 115 that causes the defibrillator to enter a defibrillation mode.

According to the defibrillator, the operation keys and the key circuits are arranged on the first PCB face to one side of the front shell, so that structural fit of the front shell and the first PCB can be effectively simplified, the structure of the circuit board is more compact, and the size of the defibrillator for defibrillation can be effectively reduced. In addition, the parameter acquisition circuit is arranged on one surface of the first PCB, which is opposite to the front shell, so that electromagnetic interference formed to the parameter acquisition circuit when the key circuit is triggered can be reduced, and the defibrillator can stably and normally operate.

It can be understood that the back shell is provided with a limit groove corresponding to the main control circuit board, the parameter acquisition circuit board and the discharge circuit board, and the main control circuit board, the parameter acquisition circuit board and the discharge circuit board are respectively clamped in the corresponding limit grooves.

According to the embodiment of the application, the limiting groove is formed in the rear shell through the corresponding main control circuit board, the parameter acquisition circuit board and the discharging circuit board, so that the main control circuit board, the parameter acquisition circuit board and the discharging circuit board can be stabilized in the shell cavity formed by the front shell and the rear shell.

It is understood that the front and rear shells are fixed in a first layer by clamping and are fixed in a second layer by screws at the four corners.

Specifically, as shown in fig. 3, the front shell and the rear shell are clamped by a fastening connection structure, wherein the fastening connection structure comprises a fastening seat 123 and a fastening head 117, and in the fastening connection structure shown in fig. 3, the fastening seat 123 is arranged on the rear shell, the fastening head 117 is arranged on the front shell, the fastening seat 123 is provided with a fastening opening, and when the front shell and the rear shell are covered, the fastening head 117 is fastened in the fastening opening of the fastening seat 123.

In other embodiments, the fastening seat may also be disposed on the front shell, and the fastening head is disposed on the rear shell. Other structures can be adopted for the buckle connection structure, so long as the clamping connection of the front shell and the rear shell can be realized, the buckle connection structure belongs to a technology which is well known to the person skilled in the art, and detailed description is omitted.

According to the embodiment of the application, after the front shell and the rear shell are clamped and fixed, screws are additionally arranged at the positions of four corners, so that screws on the periphery of the front shell and the rear shell can be reduced, the size of the shell is reduced, and meanwhile, the cost is reduced.

It will be appreciated that, as shown in fig. 1, a first assembly space and a second assembly space are formed between the two ends of the energy storage capacitor in the axial direction and the housing, the first assembly space is used for installing a speaker, and the second assembly space is used for installing a host socket for plugging an electrode plate. The side shell wall of the shell corresponding to the first assembly space is provided with an acoustic outlet 116 of the loudspeaker, and the side shell wall of the shell corresponding to the second assembly space is provided with a jack of the host socket.

By arranging the sound outlet 116 of the loudspeaker on the side shell wall of the shell, compared with the prior art, the sound outlet of the loudspeaker is arranged on the front surface of the shell, so that the occupation area of the loudspeaker on the front surface of the shell is reduced, the volume of the shell is reduced, and the miniaturization design of the whole machine is facilitated.

The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application.

Claims

1. The defibrillator is characterized by comprising a shell and a circuit board, wherein the shell comprises a front shell and a rear shell, a shell cavity is formed by the front shell and the rear shell after the front shell and the rear shell are combined, and the circuit board is positioned in the shell cavity;

the circuit board is provided with a defibrillation module, the defibrillation module comprises a defibrillation circuit board assembly, and the defibrillation circuit board assembly is perpendicular to the circuit board, wherein the defibrillation circuit board assembly comprises a parameter acquisition circuit board, a discharge circuit board and a main control circuit board;

the circuit board is provided with a containing space, the rear shell is provided with a battery containing cavity, the battery containing cavity is arranged corresponding to the region of the containing space, and when the front shell and the rear shell are in a covering state, the battery containing cavity is positioned in the containing space.

2. The defibrillator of claim 1 wherein the housing comprises a front shell and a rear shell, the circuit board being mounted to the front shell, the defibrillation module being mounted to a side of the circuit board facing away from the front shell;

3. The defibrillator of claim 2 wherein the front shell is secured to the rear shell in a first layer by a snap fit and secured in a second layer by screws at four corners.

4. The defibrillator of claim 2, wherein the defibrillation module further comprises a reservoir capacitor, the reservoir capacitor and the circuit board being mounted on the housing panel of the front housing.

5. The defibrillator of claim 2 wherein a side of the circuit board opposite the front housing has a first mounting region and a second mounting region, the first and second mounting regions being located at opposite end regions of the circuit board;

the parameter acquisition circuit board and the discharging circuit board are vertically inserted in the first installation area, and the main control circuit board is vertically inserted in the second installation area.

6. The defibrillator of claim 5, wherein the rear housing is provided with a limiting slot corresponding to the main control circuit board, the parameter acquisition circuit board and the discharge circuit board, and wherein the main control circuit board, the parameter acquisition circuit board and the discharge circuit board are respectively and correspondingly clamped in the limiting slot.

7. The defibrillator of claim 5 wherein the discharge circuit board and the parameter acquisition circuit board are mounted as close as possible, and an insulating layer is disposed between the discharge circuit board and the parameter acquisition circuit board.

8. The defibrillator of claim 7 wherein a first fool-proof structure is disposed within the battery receiving cavity, wherein a battery of the defibrillator is provided with a second fool-proof structure that mates with the first fool-proof structure, and wherein the battery is mounted within the battery receiving cavity by the cooperation of the first fool-proof structure and the second fool-proof structure.

9. The defibrillator of claim 8, wherein the first fool-proof structure is a fool-proof rib, the fool-proof rib is disposed along an axial direction of the battery receiving cavity, and a height of the fool-proof rib is gradually increased along a battery insertion direction; the second fool-proof structure is a fool-proof groove, the fool-proof groove is arranged along the length direction of the battery, and the fool-proof groove is matched with the fool-proof convex strips.

10. The defibrillator of claim 5 wherein a charging module is disposed on the circuit board, the charging module being adjacent to the second mounting area and positioned diagonally to the parameter acquisition circuit board.

11. The defibrillator of claim 10, wherein a receiving space is formed between a side of the charging module remote from the second mounting area and the housing, and wherein a portion of the components on the circuit board are located in the receiving space.

12. The defibrillator of claim 5 wherein the discharge circuit board is provided with a discharge circuit comprising an IGBT module, the IGBT module being of a chip-on-package construction.

13. The defibrillator of claim 4, wherein a first assembly space and a second assembly space are formed between the two ends of the energy storage capacitor in the axial direction and the housing, respectively, the first assembly space is provided with a speaker, and the second assembly space is provided with a host socket for plugging an electrode pad.

14. The defibrillator of claim 13 wherein the side walls of the housing corresponding to the first assembly space are provided with sound outlets for the speakers and the side walls of the housing corresponding to the second assembly space are provided with receptacles for the host socket.