CN214318770U

CN214318770U - Infusion pump

Info

Publication number: CN214318770U
Application number: CN202021538026.9U
Authority: CN
Inventors: 左鹏飞; 张鹏; 杨雷
Original assignee: Shenzhen Mindray Scientific Co Ltd
Current assignee: Shenzhen Mindray Scientific Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-10-01
Anticipated expiration: 2030-07-29

Abstract

The application provides an infusion pump, a motor is electrically connected with a motor driving circuit, and a control circuit, a power supply circuit, the motor driving circuit, a sensor detection circuit, a data storage circuit and a communication circuit are arranged in a first circuit board; at least one first interface is reserved in the first circuit board, the first interface is matched with a second interface in the second circuit board, and the first interface is connected with the second interface through a connecting wire; the second circuit board is provided with a target circuit, and the function of the target circuit is different from that of the circuit in the first circuit board, so that the target circuit with the function corresponding to the personalized requirement can be arranged in the second circuit board, the cost of the infusion pump with standard accessories is reduced, and the selective configuration is carried out according to the personalized requirement, so that the selection of the circuit in the infusion pump is realized on the basis of reducing the cost. And the upgraded circuit can be configured in the second circuit board, so that the upgrading requirement is met under the condition that the circuit board of the infusion pump is not required to be integrally replaced.

Description

Infusion pump

Technical Field

The application belongs to the technical field of infusion pumps, and particularly relates to an infusion pump.

Background

With the gradual improvement of medical systems, personalized requirements for infusion pumps are more and more diversified, for example, the infusion pump is required to have a wireless network transmission function and/or a drop number sensor, and for this situation, the following two ways are currently used:

one way is that: the circuit board of the infusion pump is provided with a hardware circuit corresponding to the current personalized requirement, for example, the circuit board of the infusion pump is provided with a wireless transmission circuit and a drop number data acquisition circuit, but the hardware circuit corresponding to the personalized requirement does not belong to a standard accessory of the infusion pump, and if the hardware circuit corresponding to the personalized requirement is arranged on the circuit board, the cost of the infusion pump is increased.

The other mode is as follows: configuring corresponding circuit boards for different personalized requirements, such as configuring a circuit board with a wireless transmission circuit, configuring a circuit board with a drop number data acquisition circuit, configuring a circuit board with a wireless transmission circuit and a drop number data acquisition circuit, and configuring a circuit board without a wireless transmission circuit and a drop number data acquisition circuit, so as to select a matched circuit board for installation according to the personalized requirements, but when the personalized requirements are changed, the circuit board in the infusion pump needs to be replaced.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present application provide an infusion pump to solve the problems of increased cost and upgraded functions of the infusion pump.

An infusion pump includes at least one housing, a control circuit, a power circuit, a motor drive circuit, a motor, a sensor detection circuit, a data storage circuit, and a communication circuit;

the motor is electrically connected with the motor driving circuit, the control circuit, the power supply circuit, the motor driving circuit, the motor, the sensor detection circuit, the data storage circuit and the communication circuit are positioned in the shell, and the control circuit, the power supply circuit, the motor driving circuit, the sensor detection circuit, the data storage circuit and the communication circuit are arranged in a first circuit board;

the first circuit board is provided with at least one first interface in advance, the first interface is matched with a second interface in a second circuit board, the first interface and the second interface are connected through a connecting wire so as to connect the first circuit board with the second circuit board, and the first circuit board and the second circuit board can be positioned in the same shell or different shells;

the second circuit board is provided with a target circuit, and the function of the target circuit is different from that of the circuit in the first circuit board.

Optionally, wherein the target circuit includes at least one of a wireless transmission circuit and a drop number data acquisition circuit.

Optionally, the wireless transmission circuit and the drop number data acquisition circuit are disposed in the same second circuit board.

Optionally, the wireless transmission circuit and the drop number data acquisition circuit are disposed in different second circuit boards, and the different second circuit boards are connected to the first circuit board through different second interfaces.

Optionally, the drop number data acquisition circuit includes a data processing circuit and a first connector;

the data interaction interface of the data processing circuit is electrically connected with one interface of the first connector; the other interface of the first connector is electrically connected with a drop number sensor so as to connect the data processing circuit and the drop number sensor through the first connector, and the drop number sensor is positioned outside the shell.

Optionally, wherein the wireless transmission circuit includes a wireless signal processing circuit, a second connector, and an antenna;

the data interaction interface of the wireless signal processing circuit is electrically connected with one interface of the second connector, and the other interface of the second connector is electrically connected with the antenna so as to connect the wireless signal processing circuit and the antenna through the second connector.

Optionally, the first circuit board and the second circuit board are mounted in the housing in a tiled manner.

Optionally, at least one of the first circuit board and the second circuit board is fixed in the housing in a screw manner or an adhesive manner.

Optionally, the first circuit board and the second circuit board are mounted in the housing in an overlapping manner.

Optionally, a mounting position is reserved between the first circuit board and the housing, and the second circuit board is fixed at the mounting position.

Optionally, the first circuit board is fixed in the housing in a manner of combining a screw and a stud, and the second circuit board is fixed in the housing in at least one of a screw manner and a bonding manner.

Optionally, a card slot is reserved in the housing, and the second circuit board is fixed in the housing in a manner of being inserted into the card slot; the first circuit board is fixed in the shell in at least one of a screw and a sticking mode.

Optionally, the card slot is located in a blank area near the position of the first circuit board.

Optionally, the connecting wire is any one of an electronic wire, a flat cable, a flexible circuit board and a flexible flat cable.

Optionally, the first circuit board is further provided with a first interface circuit and a third connector, and the second circuit board is further provided with a second interface circuit and a fourth connector; the third connector is provided with the first interface, and the fourth connector is provided with the second interface;

the connecting line is connected between the first interface and the second interface;

the first interface circuit is connected between the third connector and other circuits of the first circuit board, and is used for protecting other circuits in the first circuit board and converting electric signals;

the second interface circuit is connected between the fourth connector and other circuits of the second circuit board, and the second interface circuit is used for protecting other circuits in the second circuit board and converting electric signals.

The infusion pump comprises at least one shell, a control circuit, a power circuit, a motor driving circuit, a motor, a sensor detection circuit, a data storage circuit and a communication circuit; the motor is electrically connected with the motor driving circuit, the control circuit, the power supply circuit, the motor driving circuit, the motor, the sensor detection circuit, the data storage circuit and the communication circuit are positioned in the shell, and the control circuit, the power supply circuit, the motor driving circuit, the sensor detection circuit, the data storage circuit and the communication circuit are arranged in the first circuit board; the first circuit board is provided with at least one first interface in advance, the first interface is matched with a second interface in the second circuit board, the first interface and the second interface are connected through a connecting wire so as to connect the first circuit board with the second circuit board, and the first circuit board and the second circuit board can be positioned in the same shell or different shells; the second circuit board is provided with a target circuit, the function of the target circuit is different from that of the circuit in the first circuit board, so that the target circuit with the function corresponding to the personalized requirement can be arranged in the second circuit board, the target circuit with the function corresponding to the personalized requirement is not added in the first circuit board, the cost of the infusion pump with a standard accessory is reduced, the second circuit board can be installed in the infusion pump according to the personalized requirement, the second circuit board where the target circuit corresponding to the personalized requirement is located can be added on the basis of the infusion pump with the standard accessory, the infusion pump matched with the personalized requirement is obtained, the circuit in the infusion pump can be selectively configured according to the personalized requirement, and the selective configuration of the circuit in the infusion pump is realized on the basis of reducing the cost. If a certain circuit in the infusion pump needs to be upgraded, the upgraded circuit can be configured in the second circuit board, and the upgrading requirement is met under the condition that the circuit board of the infusion pump is not integrally replaced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, 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 application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of an infusion pump according to an embodiment of the present disclosure;

fig. 2 is a schematic connection diagram of a first circuit board and a second circuit board according to an embodiment of the present disclosure;

fig. 3 is a schematic connection diagram of another first circuit board and a second circuit board provided by an embodiment of the present application;

FIG. 4 is a schematic diagram of a layout and installation of a first circuit board and a second circuit board according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a layout and installation of a first circuit board and a second circuit board according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a layout and installation of a first circuit board and a second circuit board according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of another infusion pump provided in the embodiments of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. 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 application.

Referring to fig. 1, a structure of an infusion pump provided in an embodiment of the present application is shown, which may include: at least one housing 100 (two housings 100 are exemplified in fig. 1), a control circuit 110, a power supply circuit 120, a motor drive circuit 130, a motor 140, a sensor detection circuit 150, a data storage circuit 160, and a communication circuit 170.

The motor 140 is electrically connected to the motor drive circuit 130, and the motor 140 is driven by the motor drive circuit 130. The control circuit 110, power circuit 120, motor drive circuit 130, motor 140, sensor detection circuit 150, data storage circuit 160, and communication circuit 170 are located in the housing 100. The power circuit 120 supplies power to the control circuit 110, the motor driving circuit 130, the motor 140, the sensor detection circuit 150, the data storage circuit 160, and the communication circuit 170, and the power supply mode of the power circuit 120 may be to convert an external power supply into a dc power supply required by each circuit, or to supply power to each circuit in other modes, which is not limited in this embodiment.

The sensor detection circuit 150 can detect the sensors in the infusion pump to determine whether the sensors work normally, wherein the infusion pump can include multiple types of sensors, each type of sensor can acquire different types of data, and the corresponding sensors can be located at different positions in the infusion pump, for example, for a syringe pump, the syringe pump has two main bodies, a push-pull box and a main body, the corresponding syringe pump has two housings, the sensors in the syringe pump can be distributed in the push-pull box and the main body, and one sensor detection circuit 150 is respectively arranged in the push-pull box and the main body; for an infusion pump, the infusion pump has a housing in which the sensor detection circuit 150 is located.

The control circuit 110 may generate an instruction for controlling the motor according to the data collected by the sensor, and the control circuit 110 sends the instruction for controlling the motor to the motor driving circuit 130, so that the motor driving circuit 130 controls the motor 140 according to the instruction.

The data storage circuit 160 is used for storing data during the operation of the infusion pump, such as various types of data collected by the sensor and instructions generated by the control circuit 110, so as to query the control process, and of course, if an alarm is generated during the operation of the infusion pump, the alarm data may also be stored.

The communication circuit 170 provides wired communication for the infusion pump with external devices, for example, the communication circuit 170 may be an RS485 communication circuit to communicate with external devices via an RS485 bus.

The control circuit 110, the power circuit 120, the motor driving circuit 130, the motor 140, the sensor detection circuit 150, the data storage circuit 160 and the communication circuit 170 are disposed in a first circuit board 180, the first circuit board 180 may be a main board of an infusion pump, or the first circuit board 180 may be a circuit board composed of a plurality of circuit boards, the control circuit 110, the power circuit 120, the motor driving circuit 130, the motor 140, the sensor detection circuit 150, the data storage circuit 160 and the communication circuit 170 may be disposed in different circuit boards, which circuits are disposed in which circuit board, which is not limited in this embodiment, and in addition, the plurality of circuit boards constituting the first circuit board may be located in the same housing or in different housings, which is also not limited in this embodiment.

At least one first interface 190 is reserved in the first circuit board 180, the first interface 190 is matched with a second interface 210 in the second circuit board 200, the first interface 190 and the second interface 210 are connected through a connecting wire 220 to connect the first circuit board 180 with the second circuit board 200, so that the first circuit board 180 and the second circuit board 200 can be connected in a connecting wire mode, the communication stability between the first circuit board 180 and the second circuit board 200 is improved, the first circuit board 180 and the second circuit board 200 are connected through the connecting wire, and compared with a mode that the second circuit board 200 is plugged in the first circuit board 180, the area occupied by the connecting wire and the first interface is smaller than the area occupied by the second circuit board 200 in a plugging mode, and therefore the volume of the infusion pump can be reduced. The connection line may be a physical bus adapted to the first interface 190 and the second interface 210, for example, the connection line may be any one of an electronic line, a Flat Cable, a Flexible Printed Circuit (FPC) and a Flexible Flat Cable (FFC), and the connection line and the interface types of the first interface 190 and the second interface 210 may be selected according to actual applications.

In the present embodiment, the first circuit board 180 and the second circuit board 200 may be located in the same housing or in different housings, as shown in fig. 1, and the first circuit board 180 and the second circuit board 200 are located in different housings. The first circuit board 180 is generally a main board of the infusion pump, and the area of the housing where the main board is located is larger than the area of other housings and the blank area is larger than that of other housings, so the second circuit board 200 and the first circuit board 180 are located in the same housing in this embodiment, for example, the housing where the main board is located.

The second circuit board 200 is provided with a target circuit, and the function of the target circuit is different from that of the circuit in the first circuit board 180, so that the function of the infusion pump is expanded by connecting the second circuit board 200 with the first circuit board 180 through a connecting wire. In order to expand more functions, a plurality of first interfaces 190 may be reserved in the first circuit board 180 to be connected to a plurality of second circuit boards 200 provided with target circuits of different functions through the first interfaces 190 and connection lines.

In this embodiment, the target circuit may be at least one of a wireless transmission circuit and a drop data acquisition circuit, and the wireless transmission circuit is configured to provide a wireless transmission function for the infusion pump, so that the infusion pump may wirelessly perform data interaction with other devices. The dripping speed data acquisition circuit is a circuit for processing the dripping speed acquired by the dripping speed sensor so as to realize the control of the dripping speed. The wireless transmission circuit and the drop number data acquisition circuit can be arranged in the manner shown in fig. 2 and 3:

as shown in fig. 2, the wireless transmission circuit 230 and the drop number data acquisition circuit 240 are disposed in the same second circuit board 200, and the second circuit board 200 is connected to the first circuit board 180 by a detachable connection wire, so that the infusion pump has a wireless transmission function and a drop speed control function.

As shown in fig. 3, the wireless transmission circuit 230 is disposed on one second circuit board 200, and the drop number data acquisition circuit 240 is disposed in another second circuit board 200, and the two second circuit boards are connected to the first circuit board through respective second interfaces, and also detachably connected to the first circuit board through the second interfaces and the connection lines. In the practical application process, the first circuit board can be connected with the second circuit board provided with the wireless transmission circuit 230 or connected with the second circuit board provided with the drop number data acquisition circuit 240 to form a circuit board with a wireless transmission function or a drop number control function, the two circuit boards can have an independent wireless transmission function or a drop number control function, the size of the second circuit board can be reduced, the sum of the sizes of the first circuit board and the second circuit board is reduced, and the circuit boards are convenient to install. When the wireless transmission circuit 230 and the drop number data acquisition circuit 240 are respectively disposed in different second circuit boards 200, the two second circuit boards 200 may be connected to the same first interface of the first circuit board or different first interfaces, and the two second circuit boards 200 may be located in the same housing or in different housings.

In this embodiment, the target circuit in the second circuit board 200 can be powered by the power circuit in the first circuit board 180, so that the connection line between the second circuit board 200 and the first circuit board 180 can transmit communication signals between the control circuit and the second circuit board and power signals for supplying power to the target circuit, thereby realizing transmission of multiple types of signals through one connection line.

The infusion pump comprises at least one shell, a control circuit, a power circuit, a motor driving circuit, a motor, a sensor detection circuit, a data storage circuit and a communication circuit; the motor is electrically connected with the motor driving circuit, the control circuit, the power supply circuit, the motor driving circuit, the motor, the sensor detection circuit, the data storage circuit and the communication circuit are positioned in the shell, and the control circuit, the power supply circuit, the motor driving circuit, the sensor detection circuit, the data storage circuit and the communication circuit are arranged in the first circuit board; the first circuit board is provided with at least one first interface in advance, the first interface is matched with a second interface in the second circuit board, the first interface and the second interface are connected through a connecting wire so as to connect the first circuit board with the second circuit board, and the first circuit board and the second circuit board can be positioned in the same shell or different shells; the second circuit board is provided with a target circuit, the function of the target circuit is different from that of the circuit in the first circuit board, so that the target circuit with the function corresponding to the personalized requirement can be arranged in the second circuit board, the target circuit with the function corresponding to the personalized requirement is not added in the first circuit board, the cost of the infusion pump with a standard accessory is reduced, the second circuit board can be installed in the infusion pump according to the personalized requirement, the second circuit board where the target circuit corresponding to the personalized requirement is located can be added on the basis of the infusion pump with the standard accessory, the infusion pump matched with the personalized requirement is obtained, the circuit in the infusion pump can be selectively configured according to the personalized requirement, and the selective configuration of the circuit in the infusion pump is realized on the basis of reducing the cost. If a certain functional circuit in the infusion pump needs to be upgraded, the upgraded circuit can be configured in the second circuit board, and the upgrading requirement is met under the condition that the circuit board of the infusion pump does not need to be integrally replaced.

And the second circuit board is connected with the first circuit board through a connecting wire, the connecting wire can be installed and removed from the first interface or the second interface in a plugging mode, the second circuit board is convenient to install, the infusion pump is additionally provided with the second circuit board with a target circuit matched with the personalized requirements according to the personalized requirements, and the connecting wire connected with the second circuit board is additionally arranged in the infusion pump, so that the first interface is reserved on the first circuit board, the cost is reduced, and the occupied space is reduced.

For example, the target circuit may include at least one of a wireless transmission circuit and a drop data acquisition circuit, so as to select one of the two circuits to be disposed in the second circuit board according to a personalized requirement, and of course, the target circuit may also include other functional circuits, which are not described in this embodiment.

In this embodiment, an optional structure of the drop number data acquisition circuit 240 is: the drop number data acquisition circuit 240 includes a data processing circuit and a first connector. The data interaction interface of the data processing circuit is electrically connected with one interface of the first connector, the other interface of the first connector is electrically connected with the drop number sensor, so that the data processing circuit and the drop number sensor are connected through the first connector, and data interaction between the data processing circuit and the drop number sensor is realized through the first connector. Wherein the drop number sensor is used for collecting the drop speed, and therefore the drop number sensor is positioned outside the shell.

An alternative configuration of the wireless transmission circuit 230 is: the wireless sensing circuit comprises a wireless signal processing circuit, a second connector and an antenna. The data interaction interface of the wireless signal processing circuit is electrically connected with one interface of the second connector, the other interface of the second connector is electrically connected with the antenna, so that the wireless signal processing circuit and the antenna are connected through the second connector, and data interaction between the wireless signal processing circuit and the antenna is realized through the second connector. The wireless transmission circuit 230 may adopt but is not limited to one or more wireless transmissions in a WIFI (wireless network), bluetooth, NFC (Near Field Communication), zigbee (zigbee), infrared, and 4G \5G wireless network, and the corresponding antenna is a transmitting and receiving component capable of implementing the wireless transmission function of the wireless transmission circuit 230. If the infusion pump has a wireless transmission function, no wire network wiring can be arranged for the infusion pump in the process of using the infusion pump, the infusion pump can be flexibly arranged in any area covered by a wireless network, so that the layout of the infusion pump is more flexible, the wire network wiring does not need to be arranged for the infusion pump, and the occupation of the infusion pump on the area of the area is reduced.

In this embodiment, the second circuit board is an independent component with a smaller size than the first circuit board, and the connection line for connecting the second circuit board has good flexibility, so that the first circuit board and the second circuit board can have a plurality of layout mounting manners when they are located in the same housing, and the layout mounting manners are described below with reference to the accompanying drawings:

in a first layout, the first circuit board 180 and the second circuit board 200 are mounted in a housing in a tiled manner, as shown in fig. 4, the first circuit board 180 and the second circuit board 200 are located in the same housing, and the first circuit board 180 and the second circuit board 200 are mounted in the housing in a tiled manner, i.e., the first circuit board 180 and the second circuit board 200 are laid on the surface of the housing, and there is no overlap between the first circuit board 180 and the second circuit board 200.

When the first circuit board 180 and the second circuit board 200 are mounted flat in the housing, at least one of the first circuit board 180 and the second circuit board 200 is fixed in the housing in a screw manner or an adhesive manner. If one of the first circuit board 180 and the second circuit board 200 is fixed in the housing in a screw manner, the other circuit board is fixed in the housing in a pasting manner, or the two circuit boards are fixed in the housing in a screw manner, or the two circuit boards are fixed in the housing in a pasting manner, because the screw manner is stronger than the stability of the pasting manner, the two circuit boards can be fixed in the housing in a screw manner, so as to prevent the circuit boards from falling off due to collision and other reasons.

A second layout and installation manner is that the first circuit board 180 and the second circuit board 200 are installed in the housing in an overlapping manner, as shown in fig. 5, a mounting position is reserved between the first circuit board 180 and the housing, and the second circuit board 200 is fixed at the mounting position, so that the first circuit board 180 and the second circuit board 200 can occupy a same area, but because the first circuit board 180 and the second circuit board 200 are stacked, the first circuit board 180 has a certain height, which increases the height of the infusion pump, but reduces the length of the infusion pump.

When the first circuit board 180 and the second circuit board 200 are mounted in an overlapping manner, the first circuit board 180 is fixed in the housing in a manner of combining a screw and a stud, so that a mounting position is reserved between the first circuit board 180 and the housing in a stud manner, then the first circuit board 180 is fixed by the screw, and the second circuit board is fixed in the housing in at least one of a screw manner and a sticking manner.

A third layout installation manner is, as shown in fig. 6, a card slot is reserved in the housing, the second circuit board 200 is fixed in the housing in a manner of being inserted into the card slot, and the first circuit board 180 is fixed in the housing in at least one of a screw and a paste manner, so that the second circuit board 200 occupies a smaller area as much as possible. There may be a plurality of empty areas in the housing, and the card slot for inserting the second circuit board 200 is located in the empty area near the first circuit board, for example, the card slot may be located in the empty area nearest to the location of the first circuit board, so as to reduce the length of the connection line.

Referring to fig. 7, which shows an alternative structure of an infusion pump provided in an embodiment of the present application, on the basis of the infusion pump shown in fig. 1, a first interface circuit 250 and a third connector 260 are further disposed in the first circuit board 180, a second interface circuit 270 and a fourth connector 280 are further disposed in the second circuit board 200, a first interface 190 is disposed in the third connector 260, and a second interface 210 is disposed in the fourth connector 280.

The connection line 220 is connected between the first interface 190 and the second interface 210, and a plurality of first interfaces 190 may be disposed on the third connector 260, so that the third connector 260 may be connected to a plurality of second circuit boards, or a plurality of third connectors 260 may be disposed in the first circuit board 180, and at least one first interface 190 is disposed in each third connector 260, so that the connection with a plurality of second circuit boards may also be achieved.

The first interface circuit 250 is connected between the third connector 260 and other circuits of the first circuit board 180, for example, one interface of the first interface circuit 250 is connected to the third connector 260, and the other interface is connected to the control circuit 110, the power supply circuit 120, the motor driving circuit 130, the motor 140, the sensor detection circuit 150, the data storage circuit 160 and the communication circuit 170 (shown by the dashed line box in fig. 7), so as to protect other circuits in the first circuit board and perform electrical signal conversion through the first interface circuit 250, the electrical signal conversion is to convert the signal sent by the target circuit in the second circuit board into the signal format required by the corresponding circuit in the first circuit board, so that the circuit in the first circuit board can recognize and process the received signal, protection of the circuitry in the first circuit board includes, but is not limited to, for example, electrostatic protection to ensure proper operation of the circuitry in the first circuit board.

The second interface circuit 270 is connected between the fourth connector 280 and other circuits (such as a target circuit) of the second circuit board 200 to perform protection and electrical signal conversion on the other circuits in the second circuit board through the second interface circuit 270, and the operation process is the same as that of the first interface circuit, which will not be described again.

The first interface circuit is added in the first circuit board, the second interface circuit is added in the second circuit board, other circuits in the first circuit board and the second circuit board are protected, normal work of the circuits is guaranteed, signals received by the circuits can be identified and processed through signal conversion, therefore, signal conversion functions do not need to be added in all the circuits, and the circuit structure is simplified.

It should be noted that, various embodiments in this specification may be described in a progressive manner, and features described in various embodiments in this specification may be replaced with or combined with each other, each embodiment focuses on differences from other embodiments, and similar parts between various embodiments may be referred to each other.

Finally, it should also be noted that, in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a device includes not only those elements but also other elements not expressly listed or inherent to the device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of another like element in the device.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. An infusion pump, wherein the infusion pump comprises at least one housing, a control circuit, a power circuit, a motor drive circuit, a motor, a sensor detection circuit, a data storage circuit, and a communication circuit;

2. The infusion pump of claim 1, wherein the target circuit comprises at least one of a wireless transmission circuit and a drop number data acquisition circuit.

3. The infusion pump of claim 2 where the wireless transmission circuit and the drop number data acquisition circuit are disposed in the same second circuit board.

4. The infusion pump of claim 2 where the wireless transmission circuit and the drop number data acquisition circuit are disposed in different second circuit boards, the different second circuit boards being connected to the first circuit boards by different second interfaces.

5. The infusion pump of any one of claims 2-4 where the drop number data acquisition circuit includes a data processing circuit and a first connector;

6. The infusion pump of any one of claims 2-4 where the wireless transmission circuit includes a wireless signal processing circuit, a second connector, and an antenna;

7. The infusion pump of any one of claims 1-4 where the first and second circuit boards are mounted flat within the housing.

8. The infusion pump of claim 7, wherein at least one of the first circuit board and the second circuit board is secured within the housing by screws or by adhesive.

9. The infusion pump of any one of claims 1-4 where the first and second circuit boards are mounted overlapping within the housing.

10. The infusion pump of claim 9 where a mounting location is reserved between the first circuit board and the housing, the second circuit board being fixed in the mounting location.

11. The infusion pump of claim 9 where the first circuit board is secured within the housing by a combination of screws and studs and the second circuit board is secured within the housing by at least one of screws and adhesive.

12. The infusion pump of any one of claims 1 to 4, wherein a card slot is reserved in the housing, and the second circuit board is fixed in the housing in such a way as to be inserted into the card slot; the first circuit board is fixed in the shell in at least one of a screw and a sticking mode.

13. The infusion pump of claim 12, wherein the card slot is located in a blank area near where the first circuit board is located.

14. The infusion pump of any one of claims 1-4 where the connection cord is any one of an electrical cord, a flex cable, a flexible circuit board, and a flexible flat cable.

15. The infusion pump of any one of claims 1 to 4, where the first circuit board further has disposed therein a first interface circuit and a third connector, and the second circuit board further has disposed therein a second interface circuit and a fourth connector; the third connector is provided with the first interface, and the fourth connector is provided with the second interface;