CN114515391A

CN114515391A - Main control board, defibrillator and medical equipment

Info

Publication number: CN114515391A
Application number: CN202110807491.0A
Authority: CN
Inventors: 王启; 杜润; 冀连杰
Original assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd
Current assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority date: 2020-11-20
Filing date: 2021-07-16
Publication date: 2022-05-20
Also published as: CN214018927U

Abstract

The medical defibrillator comprises a main control board, a defibrillator and medical equipment, wherein the main control board comprises a first PCB substrate, a parameter circuit, a key circuit and an interface circuit. The first PCB substrate comprises a main control area, a parameter area, a key area and an interface area. The main control circuit is arranged in the main control area and used for receiving the operation key trigger signal and controlling the defibrillator to enter a corresponding working mode. The parameter circuit is arranged in the parameter area and is used for detecting physiological parameters reflecting vital signs of the patient and/or monitoring the patient. The key circuit is arranged in the key area and is used for electrically connecting the operation keys. The interface circuit is arranged in the interface area and is used for electrically connecting the input and output interfaces. The parameter area is located on the first side of the main control area, and the key area and the interface area are located on the second side of the main control area. The main control board disclosed by the invention has the advantages of small size and low cost, the defibrillator can be miniaturized, the transportation is convenient, the electromagnetic interference of the key circuit and the interface circuit to the parameter circuit is small, and the equipment can stably and normally operate.

Description

Main control board, defibrillator and medical equipment

Technical Field

The invention relates to the field of medical instruments, in particular to a main control board, a defibrillator and medical equipment.

Background

In actual clinics, medical devices may need to be transported between pre-hospital ambulances, hospital emergency departments and other departments or moved with the patient, depending on the patient's condition. The existing medical equipment has large volume, a great deal of inconvenience in the transferring process and high cost.

Disclosure of Invention

In view of this, the invention provides a main control board, a defibrillator and a medical device.

A first aspect of the present invention provides a main control board, including:

the first PCB substrate comprises a main control area, a parameter area, a key area and an interface area;

the main control circuit is arranged in the main control area and is used for controlling the defibrillation system;

the parameter circuit is arranged in the parameter area and is used for detecting physiological parameters reflecting vital signs of the patient and/or monitoring the patient;

the key circuit is arranged in the key area and is used for electrically connecting the operation keys;

the interface circuit is arranged in the interface area and is used for electrically connecting the input and output interfaces;

the key area and the interface area are located on the second side of the main control area.

A second aspect of the present invention provides a defibrillator, including a front housing and a rear housing, the front housing and the rear housing enclosing a cavity, the cavity having:

the main control circuit is used for receiving an operation key trigger signal and controlling the defibrillator to enter a corresponding working mode;

a parameter circuit for detecting a physiological parameter reflecting a vital sign of a patient and/or monitoring the patient;

the key circuit is used for electrically connecting the operation keys;

the interface circuit is used for electrically connecting the input and output interfaces;

the key circuit and the interface circuit are located on the second side of the main control circuit.

A third aspect of the present invention provides a medical device, including a front shell, a rear shell and a main control board, where the main control board is located in a cavity formed by the front shell and the rear shell, and the main control board is installed in the front shell, where the main control board includes:

the first PCB substrate comprises a main control area and a parameter area;

the main control circuit is arranged in the main control area and is used for controlling the medical equipment;

the first PCB substrate further includes: a key area and/or an interface area; the main control board further comprises:

the key circuit is arranged in the key area and is used for electrically connecting the operation keys; and/or

The interface circuit is arranged in the interface area and is used for electrically connecting an input interface and an output interface;

the main control area comprises a first side, a second side and a third side, wherein the second side and the third side are opposite to the first side, the parameter area is located on the first side of the main control area, and the key area is located on the second side of the main control area and/or the interface area is located on the third side of the main control area.

According to the technical scheme, the relative positions of the main control circuit, the parameter circuit, the key circuit and the interface circuit are reasonably arranged on the first PCB substrate, so that the size of the main control board can be effectively reduced, the cost is reduced, medical equipment including a defibrillator is miniaturized, and the medical equipment is convenient to carry. In addition, the parameter area is arranged on one side of the main control area, and the key area and the interface area are arranged on the other side of the main control area, so that electromagnetic interference on the parameter area when the key area and the interface area are triggered can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a defibrillator according to an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

fig. 3 is an exploded schematic view of a defibrillator according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a front case and a main control board according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a defibrillator according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a power panel according to an embodiment of the invention;

fig. 7 is a schematic structural diagram of a main control board according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a main control board according to another embodiment of the present invention;

fig. 9 is a schematic connection diagram of a power board and a main control board according to an embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1-5, an embodiment of the present invention provides a medical device, which is exemplified by a defibrillator in the medical device. It will be appreciated that the medical device of the present invention may also include other devices for medical use other than defibrillators. The defibrillator comprises a front shell 10, a rear shell 20, a power panel 30 and a main control panel 40, wherein the front shell 10 and the rear shell 20 are enclosed to form a cavity 101, the power panel 30 and the main control panel 40 are both arranged in the cavity 101, the power panel 30 is arranged on the rear shell 20, and the main control panel 40 is arranged on the front shell 10.

As shown in fig. 6, in some embodiments, the power board 30 includes a second PCB substrate 31, a therapy parameter circuit 32, a power management circuit 33, a therapy charging circuit 34, and a therapy discharging circuit 35. The second PCB substrate 31 includes a treatment parameter area 311, a power management area 312, a treatment charging area 313 and a treatment discharging area 314. The treatment parameter circuit 32 is arranged in the treatment parameter area 311, and the treatment parameter circuit 32 is used for collecting and analyzing the electrocardiosignals and the impedance signals of the patient. The power management circuit 33 is disposed in the power management area 312, and the power management circuit 33 is used for managing system power on/off, battery charging/discharging, and dc power conversion. The therapy charging circuit 34 is disposed in the therapy charging region 313, and the therapy charging circuit 34 is used for boosting and storing the low-voltage DC electric energy in the energy storage capacitor of the defibrillator. The treatment discharge circuit 35 is disposed in the treatment discharge area 314, and the treatment discharge circuit 35 is configured to release the defibrillation waveform based on the impedance adjustment according to the physiological parameter of the patient. A point on the second PCB substrate 31 is taken as an origin to establish a horizontal axis X and a vertical axis Y and to divide four quadrants, wherein the treatment parameter circuit 32 and the treatment charging circuit 34 are located in two quadrants distributed on a diagonal.

The four quadrants divided by the horizontal axis X and the vertical axis Y include a first quadrant S located at the upper right corner₁The second quadrant S is positioned at the upper left corner₂And a third quadrant S positioned at the lower left corner₃And the fourth quadrant S at the lower right corner₄. Illustratively, the treatment discharge 314 is located in the first quadrant S₁The treatment parameter region 311 is located in the second quadrant S₂The power management area 312 is located in the third quadrant S₃The therapeutic charging zone 313 is located in the fourth quadrant S₄. As such, the treatment parameter circuit 32 and the treatment charging circuit 34 are located in the diagonally-distributed second quadrant S₂And S in the fourth quadrant₄The treatment parameter circuit 32 is furthest from the treatment charging circuit 34. Of course, the treatment parameter circuit 32 and the treatment charging circuit 34 may also be located in the first quadrant S distributed on the diagonal₁And the third quadrant S₃The specific design of (1) is determined according to actual design requirements.

By adopting the technical scheme, the positions of the treatment parameter circuit 32, the power management circuit 33, the treatment charging circuit 34 and the treatment discharging circuit 35 are reasonably arranged on the second PCB substrate 31, so that the size of the power panel 30 can be effectively reduced, the defibrillator is miniaturized, and the transportation of the defibrillator is facilitated. In addition, the treatment parameter circuit 32 and the treatment charging circuit 34 are distributed in two quadrants on the diagonal line, so that the treatment parameter circuit 32 is farthest away from the treatment charging circuit 34, the electromagnetic interference on the treatment parameter circuit 32 when the treatment charging circuit 34 is charged can be effectively reduced, the defibrillator can start and defibrillate for charging while cardiac rhythm analysis is carried out, discharge treatment can be carried out when the analysis result is shockable rhythm, and the clinical rescue time is saved.

In some embodiments, the first isolation region 315 is disposed on a side of the treatment parameter region 311 close to the horizontal axis X and a side close to the longitudinal axis Y, and a creepage distance of the first isolation region 315 is greater than 5.3 mm. The treatment parameter circuit 32 can be isolated from the power management circuit 33, the treatment charging circuit 34 and the treatment discharging circuit 35, so that the use safety is improved.

In some embodiments, the power management area 312 is provided with a second isolation area 316 on a side close to the horizontal axis X and a side close to the longitudinal axis Y, and the creepage distance of the second isolation area 316 is greater than 5.3 mm. In the embodiment, the power management circuit 33 can be isolated from the treatment charging circuit 34, the treatment discharging circuit 35 and the treatment parameter circuit 32, so that the use safety is improved.

The second isolation region 316 is spaced apart from the first isolation region 315.

In some embodiments, the power strip 30 further includes a first shield 36 disposed in the treatment parameter area 311, and the treatment parameter circuit 32 is disposed in the first shield 36. By arranging the treatment parameter circuit 32 in the first shielding case 36, it is possible to reduce interference of Electromagnetic signals generated by circuit modules outside the first shielding case 36 on electronic components inside the first shielding case 36, and reduce interference of Electromagnetic signals generated by electronic components inside the first shielding case 36 on other circuit modules outside the first shielding case 36, thereby effectively solving an Electromagnetic Compatibility (EMC) problem in the system.

In some embodiments, the power strip 30 further includes a second shield 37 disposed in the power management area 312, and the power management circuit 33 is disposed in the second shield 37. By arranging the power management circuit 33 in the second shielding case 37, it is possible to reduce interference of Electromagnetic signals generated by circuit modules outside the second shielding case 37 on electronic components inside the second shielding case 37, and reduce interference of Electromagnetic signals generated by electronic components inside the second shielding case 37 on other circuit modules outside the second shielding case 37, thereby effectively solving the problem of Electromagnetic Compatibility (EMC) in the system.

It should be noted that, the power management circuit 33 disposed in the power management area 312 is a low power consumption circuit, and is easily interfered by other circuit modules, especially the therapeutic charging circuit 34, by adopting the above technical solution, firstly, the power management area 312 is also far away from the therapeutic charging area 313, secondly, the power management area 312 and the therapeutic charging area 313 are provided with the second isolation area 316, furthermore, the power management area 312 is provided with the second shielding cover 37, and the power management circuit 33 is located in the second shielding cover 37, so that it can effectively avoid the interference of the large signal formed when the therapeutic charging circuit 34 is used to the power management circuit 33, which causes the defibrillation system to have the unexpected power failure and restart the situation of the rescue opportunity.

In some embodiments, the distance between the electronic components located in the treatment parameter zone 311 and the electronic components located in the power management zone 312 is not less than 6.3 mm. 3000Vdc needs to be met between the electronic component located in the treatment parameter area 311 and the electronic component located in the power management area 312, so that the equipment can be used safely, and the distance between the electronic component located in the treatment parameter area 311 and the electronic component located in the power management area 312 is not less than 6.3mm, so that the safe use requirement can be met.

In some embodiments, the power strip 30 further includes an input interface 38 electrically connected to the dc power input, the input interface 38 is disposed in the power management region 312 and is located on a side of the power management region 312 near the therapeutic charging region 313. By disposing the input interface 38 on the side of the power management region 312 close to the therapeutic charging region 313, the length of the connection line between the input interface 38 and the therapeutic charging circuit 34 can be shortened, and the problem of low charging efficiency caused by line loss can be effectively solved.

The main control board 40 includes a first PCB substrate 41, a main control circuit 42, and a parameter circuit 43, and may selectively include at least one of a key circuit 44 and an interface circuit 4. The first PCB substrate 41 includes a main control area 411 and a parameter area 412, and may optionally include at least one of a key area 413 and an interface area 414.

As shown in fig. 7, in some embodiments, the main control board 40 includes a first PCB substrate 41, a main control circuit 42, a parameter circuit 43, a key circuit 44, and an interface circuit 45. The first PCB substrate 41 includes a main control area 411, a parameter area 412, a key area 413 and an interface area 414. The main control circuit 42 is disposed in the main control area 411, and the main control circuit 42 is configured to receive an operation key trigger signal and control the defibrillator to enter a corresponding operating mode. Illustratively, the operation keys comprise a power-on key and an operation mode key, the operation mode key comprises an AED (automatic guided equipment) mode key, a manual defibrillation mode key, a pacing mode key and a monitoring mode key, and the AED mode key, the manual defibrillation mode key, the pacing mode key and the monitoring mode key correspondingly trigger the defibrillator to enter an AED mode, a manual defibrillation mode, a pacing mode and a monitoring mode. In some embodiments, the master control circuit 42 is also used to control the transmission of the defibrillator audio-video signals. The parameter circuit 43 is disposed in the parameter area 412, and the parameter circuit 43 is used for acquiring the physiological parameter reflecting the vital sign of the patient and/or monitoring the patient. The key circuit 44 is disposed in the key region 413, and the key circuit 44 is electrically connected to the operation keys. The interface circuit 45 is disposed in the interface area 414, and the interface circuit 45 is used to electrically connect the input and output interfaces. In some embodiments, the main control area includes a first side, a second side opposite to the first side, and a third side, the parameter area is located at the first side of the main control area, and the key area is located at the second side of the main control area and/or the interface area is located at the third side of the main control area. In some embodiments, the second and third sides may be the same. In some embodiments, the main control area 411 includes a first side 411a and a second side 411b opposite the first side 411a, the parameter area 412 is located on the first side 411a of the main control area 411, and the key area 413 and the interface area 414 are located on the second side 411b of the main control area 411. The key area 413 and the interface area 414 are arranged in the main control area 411, so that the cost can be reduced, and on the other hand, the main control board can be integrally replaced during maintenance.

Through rationally arranging the relative position of master control circuit 42, parameter circuit 43, button circuit 44 and interface circuit 45 on first PCB base plate 41, can effectively reduce the size of master control board 40 for the defibrillator is miniaturized, is convenient for the transportation at the defibrillator, and through with master control circuit 42, parameter circuit 43, button circuit 44 and interface circuit 45 integration on first PCB base plate 41, can effectively reduce cost of manufacture and connection cost. In addition, by setting the parameter area 412 to be located on one side of the main control area 411 and setting the key area 413 and the interface area 414 to be located on the other side of the main control area 411, electromagnetic interference to the parameter circuit 43 when the key circuit 44 and the interface circuit 45 are triggered can be reduced, so that the device can operate stably and normally.

Of course, the main control circuit 42, the parameter circuit 43, the key circuit 44 and the interface circuit 45 are not limited to be all disposed on the first PCB substrate 41, and the main control circuit 42, the parameter circuit 43, the key circuit 44 and the interface circuit 45 may also be disposed on different PCB substrates singly or in combination, as long as the parameter circuit 43 is disposed on one side of the main control circuit 42, the key circuit 44 and the interface circuit 45 are disposed on the other side of the main control circuit 42, and the electromagnetic interference formed on the parameter circuit 43 when the key circuit 44 and the interface circuit 45 are triggered is small, so that the device can operate stably and normally.

For example, there are two PCB substrates, the main control circuit 42, the key circuit 44 and the interface circuit 45 are disposed on one PCB substrate, and the parameter circuit 43 is disposed on the other PCB substrate; or, the key circuit 44 and the interface circuit 45 are disposed on one of the PCB substrates, and the main control circuit 42 and the parameter circuit 43 are disposed on the other PCB substrate; or, the key circuit 44 is disposed on one of the PCB substrates, and the main control circuit 42, the parameter circuit 43 and the interface circuit 45 are disposed on the other PCB substrate; or, the interface circuit 45 is disposed on one of the PCB substrates, and the main control circuit 42, the parameter circuit 43 and the key circuit 44 are disposed on the other PCB substrate.

For another example, there are three PCB substrates, the main control circuit 42 is disposed on one of the PCB substrates, the key circuit 44 and the interface circuit 45 are disposed on one of the PCB substrates, and the parameter circuit 43 is disposed on the remaining one of the PCB substrates; or, the main control circuit 42 and the parameter circuit 43 are disposed on one of the PCB substrates, the key circuit 44 is disposed on one of the PCB substrates, and the interface circuit 45 is disposed on the remaining one of the PCB substrates; or, the main control circuit 42 and the key circuit 44 are disposed on one of the PCB substrates, the interface circuit 45 is disposed on one of the PCB substrates, and the parameter circuit 43 is disposed on the remaining one of the PCB substrates; alternatively, the main control circuit 42 and the port circuit 45 are disposed on one of the PCB substrates, the key circuit 44 is disposed on one of the PCB substrates, and the parameter circuit 43 is disposed on the remaining PCB substrate.

For another example, there are four PCB substrates, and the main control circuit 42, the parameter circuit 43, the key circuit 44 and the interface circuit 45 are respectively disposed on different PCB substrates.

The parameter circuit 43 includes functional detection circuits such as Electrocardiogram (ECG), blood oxygen saturation (sp02), non-invasive blood pressure (NIBP), body Temperature (TEMP), and Heart Rate (HR).

In some embodiments, the distance between the electronic components located in the key region 413 and the electronic components located in the treatment parameter region 311 is not less than 6.3 mm. 3000Vdc needs to be met between the electronic component located in the treatment parameter area 311 and the electronic component located in the key area 413, so that the equipment can be safely used, and the distance between the electronic component located in the treatment parameter area 311 and the electronic component located in the key area 413 is not less than 6.3mm, so that the safe use requirement can be met.

In some embodiments, a third isolation region 415 is disposed between the main control region 411 and the parameter region 412, and a creepage distance of the third isolation region 415 is greater than 5.3 mm. The embodiment can isolate the parameter circuit 43 from the main control circuit 42, thereby improving the use safety.

In some embodiments, the parameter section 412 includes a first parameter section 4121 and a second parameter section 4122, the parameter circuit 43 includes a first parameter circuit 431 and a second parameter circuit 432, the first parameter circuit 431 is disposed in the first parameter section 4121, the second parameter circuit 432 is disposed in the second parameter section 4122, wherein the first parameter circuit 431 includes one of an electrocardiograph detection circuit and an oxygen saturation detection circuit, and the second parameter circuit 432 includes the other of the electrocardiograph detection circuit and the oxygen saturation detection circuit.

In some embodiments, a fourth isolation region 416 is disposed between the first parameter region 4121 and the second parameter region 4122, and a creepage distance of the fourth isolation region 416 is greater than 5.3 mm. This embodiment can isolate the first parameter region 4121 from the second parameter region 4122, thereby improving the safety of use.

As shown in fig. 1-5 and 7, in some embodiments, the main control board 40 further includes an operation key 401, and the operation key 401 is mounted on the first PCB substrate 41 and electrically connected to the key circuit 44. By directly installing the operation key 401 in the first PCB substrate 41, the connection cost and the processing and testing cost of the operation key 401 and the first PCB substrate 41 can be saved, and the problem of function failure caused by connection in other ways can be avoided, especially the problem of incapability of starting and charging and discharging caused by failure of the operation key 401 can be effectively avoided. The operation keys 401 include a power-on key, an operation mode key, a charge key, a discharge key, an energy adjustment key, and the like. Of course, the operation button 401 is directly mounted on the front case 10, and the operation button 401 and the button circuit 44 may be connected by a wire.

In some embodiments, the front shell 10 includes a panel 11, the panel 11 is provided with a display 111 and buttons 112, the main control board 40 is stacked on the panel 11, wherein at least a portion of the buttons 112 is opposite to the key area 413, at least a portion of the display 111 is opposite to the main control area 411 and the parameter area 412, and the display 111 is electrically connected to the main control area 411. The key region 413 includes a first side 413a facing the panel 11 and a second side (not shown) facing away from the panel 11, the operation key 401 is disposed on the first side 413a of the key region 413, and the operation key 401 is opposite to the button 112, so that when the button 112 is pressed, the operation key 401 is triggered. With this embodiment, on one hand, the occupied space of the main control board 40 in the enclosed area of the front shell 10 and the rear shell 20 can be effectively reduced, so that the defibrillator can be miniaturized; on the other hand, the length of a connecting line between the display screen 111 and the main control board 40 can be reduced, and the EMC problem caused by the wiring length of the display screen 111 is avoided. .

In some embodiments, the main control board 40 further includes an input/output interface 402, and the input/output interface 402 is mounted on the first PCB substrate 41 and electrically connected to the interface circuit 45. By directly installing the input/output interface 402 on the first PCB substrate 41, not only the connection cost and the processing and testing cost of the input/output interface 402 and the first PCB substrate 41 can be saved, but also the problem of function failure caused by adopting other connection modes can be avoided. The input/output interface 402 includes USB, RJ45, external synchronous defibrillation input port, and ECG analog output port. Of course, the input/output interface 402 may be directly mounted on the front case 10, and the input/output interface 402 may be connected to the interface circuit 45 by a wire.

In some embodiments, the panel 11 includes a first side 11a and a second side 11b opposite to the first side 11a, the front case 10 further includes a first side plate 12 disposed on the first side 11a of the panel 11, the first side plate 12 is provided with a first opening 121, and the input/output interface 402 is opposite to the first opening 121. The external terminal passes through the first opening 121 to be plugged with the input/output interface 402 for electrical connection.

In some embodiments, the front case 10 further includes a second side plate 13 disposed on the second side 11b of the panel 11, the second side plate 13 is provided with at least one second opening 131, the main control board 40 further includes a parameter interface 403 mounted on the first PCB substrate 41, and the parameter interface 403 is opposite to the second opening 131. By directly installing the operation parameter interface 403 on the first PCB substrate 41, not only the connection cost and the processing and testing cost of the operation key 401 and the first PCB substrate 41 can be saved, but also the problem of function failure caused by adopting other connection modes can be avoided.

In some embodiments, the parameter interface 403 includes a first parameter interface 4031 and a second parameter interface 4032, the first parameter interface 4031 is mounted to the first PCB substrate 41 and electrically connected to the first parameter circuitry 431, the second parameter interface 4032 is mounted to the first PCB substrate 41 and electrically connected to the second parameter circuitry 432, and the first parameter interface 4031 and the second parameter interface 4032 are opposite the second opening 131.

Optionally, the first parameter interface 4031 is disposed on a side of the first parameter area 4121 away from the main control area 411, and the second parameter interface 4032 is disposed on a side of the second parameter area 4122 away from the main control area 411.

The panel 11, the first side plate 12, the second side plate 13, the display screen 111, the buttons 112, the first PCB substrate 41, the operation keys 401, the input/output interface 402, the first parameter interface 4031, and the second parameter interface 4032 are arranged, so that the cooperation between the structures of the front case 10 and the main control board 40 can be effectively simplified, the structure is compact, and the wiring is simple, so that the size of the defibrillator for defibrillation can be effectively reduced, and the reliability of the electrical connection between the parts of the main control board 40 can be improved.

In some embodiments, the interface area 414, the key area 413, the main control area 411, and the parameter area 412 are arranged along the length direction L of the main control board 40, and the first parameter area 4121 and the second parameter area 4122 are arranged along the width direction W of the main control board 40. The embodiment not only reasonably arranges the positions of all the functional circuits and reduces the mutual interference among all the functional circuits, but also reasonably uses the space of the main control board 40 and reduces the size of the main control board 40, thereby reducing the size of the defibrillator. In addition, some large devices packaged by BGA (Ball Grid Array Package) usually exist in the main control area 411, and the interface area 414 and the key area 413 have large deformation due to plugging and unplugging of the connection terminals and pressing of the keys, so that the influence of the interface area 414 and the key area 413 on the large devices packaged by BGA in the main control area 411 can be effectively reduced by arranging the main control area 411 and the interface area 414 and the key area 413 in a partitioning manner.

In some embodiments, the distance between the electronic components located in the first parameter zone 4121 and the electronic components located in the second parameter zone 4122 is not less than 6.3 mm. 3000Vdc needs to be satisfied between the electronic component located in the first parameter zone 4121 and the electronic component located in the second parameter zone 4122 so that the apparatus can be used safely, and the above-mentioned safe use requirement can be satisfied by setting the distance between the electronic component located in the first parameter zone 4121 and the electronic component located in the second parameter zone 4122 to be not less than 6.3 mm.

In some embodiments, the main control board 40 further includes a third shielding case 46 disposed in the first parameter area 4121, and the first parameter circuit 431 is disposed in the third shielding case 46. By arranging the first parameter circuit 431 in the third shielding case 46, not only can interference of Electromagnetic signals generated by circuit modules outside the third shielding case 46 on electronic components inside the third shielding case 46 be reduced, but also interference of Electromagnetic signals generated by electronic components inside the third shielding case 46 on other circuit modules outside the third shielding case 46 can be reduced, and the problem of Electromagnetic Compatibility (EMC) in the system can be effectively solved.

In some embodiments, the main control board 40 further includes a fourth shielding case 47 disposed in the second parameter area 4122, and the second parameter circuit 432 is disposed in the fourth shielding case 47. By arranging the second parametric circuit 432 in the fourth shielding case 47, it is possible to reduce interference of Electromagnetic signals generated by circuit modules outside the fourth shielding case 47 on electronic components inside the fourth shielding case 47, and reduce interference of Electromagnetic signals generated by electronic components inside the fourth shielding case 47 on other circuit modules outside the fourth shielding case 47, thereby effectively solving an Electromagnetic Compatibility (EMC) problem in the system.

In some embodiments, the main control board 40 further includes a fifth shielding case 48 disposed in the main control area 411, and the main control circuit 42 is disposed in the fifth shielding case 48. By arranging the main control circuit 42 in the fifth shielding case 48, it is possible to reduce interference of Electromagnetic signals generated by circuit modules outside the fifth shielding case 48 on electronic components inside the fifth shielding case 48, and reduce interference of Electromagnetic signals generated by electronic components inside the fifth shielding case 48 on other circuit modules outside the fifth shielding case 48, thereby effectively solving the problem of Electromagnetic Compatibility (EMC) in the system.

In some embodiments, the therapy parameter area 311 and the power management area 312 are opposite to the parameter area 412, and the therapy charging area 313 and the therapy discharging area 314 are opposite to the area formed by the combination of the key area 413 and the interface area 414. Optionally, the treatment parameter area 311 of the power board 30 is opposite to the first parameter area 4121 of the main control board 40, and the power management area 312 of the power board 30 is opposite to the second parameter area 4122 of the main control board 40. When the front case 10 and the rear case 20 are assembled, the corresponding areas of the main control board 40 and the power supply board 30 also need to satisfy 3000 Vdc. In some embodiments, the treatment parameter area 311 of the power panel 30 is opposite to the first parameter area 4121 of the main control panel 40, and the treatment parameter area 311 and the first parameter area 4121 need to satisfy 3000 Vdc. In some embodiments, the power management region 312 of the power board 30 is opposite to the second parameter region 4122 of the main control board 40, and the power management region 312 and the second parameter region 4122 need to satisfy 3000 Vdc.

Since the first parameter area 4121 and the second parameter area 4122 of the main control board 40, and the therapy parameter area 311 and the power management area 312 of the power board 30 are all provided with the small signal analog circuit, by setting the therapy parameter area 311 of the power board 30 opposite to the first parameter area 4121 of the main control board 40, and setting the power management area 312 of the power board 30 opposite to the second parameter area 4122 of the main control board 40, mutual interference between small signal areas can be avoided, wherein the small signal areas refer to signals which are easily subjected to electromagnetic interference, such as low frequency and weak signals. . By arranging the treatment charging area 313 and the treatment discharging area 314 of the power panel 30 to be opposite to the area formed by the combination of the key area 413 and the interface area 414 of the main control panel 40, the treatment charging area 313 and the treatment discharging area 314 of the power panel 30 are far away from the first parameter area 4121 and the second parameter area 4122 of the main control panel 40, and the interference of the large signal area of the treatment charging area 313 and the treatment discharging area 314 on the small signal area of the first parameter area 4121 and the second parameter area 4122 is avoided. Meanwhile, the key area 413 and the interface area 414 of the main control board 40 are far away from the treatment parameter area 311 and the power management area 312 of the treatment board 30, so that interference of large signal areas of the key area 413 and the interface area 414 on small signal areas of the treatment parameter area 311 and the power management area 312 is avoided, and the device can stably and normally operate.

As shown in fig. 8, fig. 8 shows another layout of the interface area 414, the key area 413, the main control area 411, the first parameter area 4121, and the second parameter area 4122, in this embodiment, the interface area 414 ', the key area 413 ', the main control area 411 ', the first parameter area 4121 ', and the second parameter area 4122 ' are sequentially arranged along the length direction L of the main control board 40.

As shown in fig. 9, in some embodiments, the defibrillator further includes a connector 50, and the power board 30 and the main control board 40 are connected via the connector 50, wherein the connector 50 may be a connecting wire or a plug-in, etc. Illustratively, the power board 30 further includes a main control board interface 39 for electrically connecting with the main control board 40, the main control board interface 39 is disposed in the power management area 312, the main control board 40 further includes a power board interface 49 for connecting with the power board 30, the power board interface 49 is disposed in the main control area 411, one end of the connecting element 50 is connected with the main control board interface 39, and the other end of the connecting element 50 is connected with the power board interface 49. With this embodiment, security problems caused by traces on the non-isolated side crossing the isolated side can be avoided. It should be noted that the power board 30 and the main control board 40 are not limited to the connection manner by the connector 50, for example, the power board 30 and the main control board 40 can be electrically connected by soldering PCB printed boards between the power board 30 and the main control board 40.

As shown in fig. 1-5, in some embodiments, the defibrillator further includes a bracket 60, the bracket 60 is disposed in a cavity 101 defined by the front housing 10 and the rear housing 20, the bracket 60 is mounted to the rear housing 20, and the power panel 30 is mounted to the bracket 60. Illustratively, the power strip 30 is mounted to a side of the bracket 60 facing the front case 10.

In some embodiments, the defibrillator also includes a pacing board 70, the pacing board 70 being mounted to the bracket 60.

In some embodiments, the defibrillator further includes an AC/DC converter 80, the AC/DC converter 80 being mounted to the cradle 60, the AC/DC converter 80 being used to convert an external voltage to a voltage required by the defibrillator. Illustratively, the AC/DC converter 80 is mounted on a side of the bracket 60 facing away from the front case 10.

In some embodiments, the defibrillator further includes an energy storage capacitor 90, and the energy storage capacitor 90 is disposed on a side of the power board 30 opposite the main control board 40.

In some embodiments, the defibrillator further includes a battery 100, the back case 20 is provided with a battery housing 21, and the battery 100 is detachably mounted in the battery housing 21. It should be noted that in some other embodiments, the battery 100 and the battery compartment 21 may not be provided in the defibrillator, and the defibrillator is powered by an external power source. Of course, in other embodiments, the defibrillator may be provided with both the battery 100 and the external power interface, and the user may use the battery 100 or the external power interface to power the defibrillator according to the convenience of use.

Optionally, an air interlayer 102 is disposed between the battery 100 and the wall of the battery accommodating compartment 21, and the air interlayer 102 can accelerate dissipation of heat generated during the operation of the battery 100, and reduce transmission of heat generated by the battery 100 to the inside of the rear case 20 through the wall of the battery accommodating compartment 21. Optionally, an air interlayer 103 is also disposed between the energy storage capacitor 90 and the wall of the battery accommodating compartment 21, and the air interlayer 103 can accelerate heat dissipation, so as to reduce the heat generated by the battery 100 from being transferred to the energy storage capacitor 90 in the rear case 20 through the wall of the battery accommodating compartment 21.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A master control board for a defibrillator, the master control board comprising:

the main control circuit is arranged in the main control area and used for receiving an operation key trigger signal and controlling the defibrillator to enter a corresponding working mode;

2. The main control board of claim 1, wherein a first isolation area is disposed between the main control area and the parameter area, and a creepage distance of the first isolation area is greater than 5.3 mm.

3. The main control board according to claim 1 or 2, wherein the parameter area includes a first parameter area and a second parameter area, the parameter circuit includes a first parameter circuit and a second parameter circuit, the first parameter circuit is provided in the first parameter area, the second parameter circuit is provided in the second parameter area, wherein the first parameter circuit includes one of an electrocardiograph detection circuit and an oxygen saturation level detection circuit, and the second parameter circuit includes the other of the electrocardiograph detection circuit and the oxygen saturation level detection circuit.

4. The main control board according to claim 3, wherein the interface area, the key area, the main control area, and the parameter area are arranged along a length direction of the main control board, and the first parameter area and the second parameter area are arranged along a width direction of the main control board.

5. The main control board according to claim 3, wherein a second isolation region is disposed between the first parameter region and the second parameter region, and a creepage distance of the second isolation region is greater than 5.3 mm.

6. The main control board of claim 3, wherein a distance between the electronic components located in the first parameter area and the electronic components located in the second parameter area is not less than 6.3 mm.

7. The main control board of claim 3, further comprising at least one of a first shield, a second shield, and a third shield, wherein the first shield is disposed in the first parameter area, the first parameter circuit is located in the first shield, the second shield is disposed in the second parameter area, the second parameter circuit is located in the second shield, the third shield is disposed in the main control area, and the main control circuit is located in the third shield.

8. The main control board of claim 1, further comprising an operation key mounted to the first PCB substrate and electrically connected to the key circuit.

9. The main control board of claim 1, further comprising an input output interface mounted to the first PCB substrate and electrically connected to the interface circuit.

10. The main control board of claim 3, further comprising a first parameter interface mounted to the first PCB substrate and electrically connected to the first parameter circuit.

11. The main control board of claim 3, further comprising a second parameter interface mounted to the first PCB substrate and electrically connected to the second parameter circuit.

12. The main control board of claim 1, further comprising a power board interface for connecting with a power board of a defibrillator, the power board interface being disposed within the main control area.

13. A defibrillator comprising a front housing and a rear housing enclosing a cavity, the cavity having:

the key circuit is used for electrically connecting the operation keys;

14. The utility model provides a medical equipment, its characterized in that, includes preceding shell, backshell and main control board, the main control board is located preceding shell with the backshell encloses the cavity that closes the formation, the main control board install in preceding shell, wherein, the main control board includes:

the first PCB substrate comprises a main control area and a parameter area;

15. The medical device of claim 14, wherein the front housing includes a face plate having a display screen and buttons, the main control panel being stacked on the face plate, wherein at least a portion of the buttons are opposite the button zones, at least a portion of the display screen is opposite the main control zone and the parameter zones, and the display screen is electrically connected to the main control zone.

16. The medical device of claim 15, wherein the main control board further comprises an operating key mounted to the first PCB substrate, the key area including a first side facing the panel and a second side facing away from the panel, the operating key disposed on the first side of the key area, the operating key opposite the button such that pressing the button activates the operating key.

17. The medical device of claim 15, wherein the panel includes a first side and a second side opposite the first side, the front housing further including a first side plate disposed on the first side of the panel, the first side plate defining at least one first opening, the main control board further including an input/output interface mounted on a side of the first PCB substrate, the input/output interface being opposite the first opening.

18. The medical device of claim 17, wherein the front housing further comprises a second side panel disposed on a second side of the face panel, the second side panel having at least one second opening, the main control board further comprising a parameter interface mounted to the first PCB substrate, the parameter interface being opposite the second opening.

19. The medical device of claim 18, wherein the parameter area comprises a first parameter area and a second parameter area, the parameter circuit comprising a first parameter circuit and a second parameter circuit, the first parameter circuit disposed in the first parameter area and the second parameter circuit disposed in the second parameter area, wherein the first parameter circuit comprises one of an electrocardiograph detection circuit and an oximetry detection circuit, and the second parameter circuit comprises the other of the electrocardiograph detection circuit and the oximetry detection circuit;

the parameter interface comprises a first parameter interface and a second parameter interface, the first parameter interface is mounted on the first PCB substrate and electrically connected with the first parameter circuit, the second parameter interface is mounted on the first PCB substrate and electrically connected with the second parameter circuit, and the first parameter interface and the second parameter interface are opposite to the second opening.

20. The medical device of claim 14, further comprising a power strip mounted to the rear housing, the power strip comprising:

a second PCB substrate including a treatment parameter region;

the treatment parameter circuit is arranged in the treatment parameter area and is used for collecting and analyzing electrocardiosignals and impedance signals of a patient;

and the distance between the electronic component positioned in the key area and the electronic component positioned in the treatment parameter area is not less than 6.3 mm.