Multifunctional module suitable for portable ECMO and expansion method thereof

Abstract

The application relates to the technical field of ECMO, and provides a multifunctional module suitable for a portable ECMO and an expansion method thereof. After the portable ECMO is connected with the multifunctional module, the metal electrode on the shell is in contact with the metal electrode on the shell of the portable ECMO, the single-chip microcomputer system controls the first light emitting element to emit a light signal, the first light receiving element receives the light signal reflected by the light guide sheet and transmits the light signal to the single-chip microcomputer system, the single-chip microcomputer system detects the connection condition of the multifunctional module and the portable ECMO according to whether the first light receiving element receives the reflected light signal, and then controls the on-off of the relay, so that the risk of battery damage is reduced.

Description

Technical Field

[0001] This invention relates to the field of ECMO technology, and in particular to a multifunctional module suitable for portable ECMO and its expansion method. Background Technology

[0002] The statements in this section are merely background information related to the present invention and do not necessarily constitute prior art.

[0003] Extracorporeal membrane oxygenation (ECMO) is an important technology for providing life support to critically ill patients with cardiopulmonary failure.

[0004] Currently, the power supply of existing ECMO machines is highly dependent on the fixed power grid. They usually need to be connected to a stable AC power source and equipped with a backup power source (such as an emergency power supply system in the ward) to deal with sudden power outages.

[0005] Current ECMO machines are generally limited to bedside use in intensive care units (ICUs) and are not suitable for emergency situations or in the field. The main reasons are: first, there is a lack of continuous power supply in emergency situations; second, their large size makes them unsuitable for portable use.

[0006] Battery power is one approach to solving the problem of continuous power supply. However, in emergency situations or in the wild, especially in environments with complex conditions such as water and dust, battery power may suffer from short circuits, corrosion, and other battery damage, ultimately affecting the safe and continuous operation of portable ECMO devices. Summary of the Invention

[0007] To address the shortcomings of existing technologies, this invention provides a multifunctional module and its extended method suitable for portable ECMO, which can be used to continuously power portable ECMO. Utilizing the refraction and reflection principles of optical materials, it guides light to transmit in a specific direction. Specifically, it guides the light emitted by the first light emitting element to be reflected through a light guide sheet and enters the first light receiving element. Then, through photoelectric detection, it realizes the connection detection between the portable ECMO and the multifunctional module, thereby controlling the timing when the multifunctional module starts supplying power to the portable ECMO and reducing the risk of battery damage.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] The first aspect of the present invention provides a multifunctional module suitable for portable ECMO.

[0010] A multi-functional module suitable for portable ECMO, detachably connected to portable ECMO, including a housing and a battery pack, relays, a microcontroller system, a first optical emitting element, and a first optical receiving element disposed inside the housing;

[0011] The portable ECMO has two metal electrodes and two photoelectric signal windows on its outer shell, and the two photoelectric signal windows are connected by a light guide sheet.

[0012] On the side of the housing that contacts the portable ECMO, there are light-emitting windows and light-sensing windows, and two metal electrodes are provided. One of the two metal electrodes on the housing is connected to the battery pack through a relay, and the other metal electrode is directly connected to the battery pack.

[0013] After the portable ECMO is connected to the multi-functional module, the metal electrodes on the housing come into contact with the metal electrodes on the outer shell of the portable ECMO. The microcontroller system controls the first light emitting element to emit light signals, and the first light receiving element receives the light signals reflected by the light guide sheet and transmits them to the microcontroller system. The microcontroller system detects the connection status between the multi-functional module and the portable ECMO based on whether the first light receiving element receives the reflected light signals, and then controls the on / off state of the relay.

[0014] Furthermore, the bottom of the portable ECMO housing has a multi-slot slide rail, and the shape of the housing is adapted to the slot slide rail provided on the bottom of the portable ECMO housing, so that the multi-functional module can be detachably connected to the portable ECMO.

[0015] Furthermore, a charging terminal is provided at one end of the housing of the multi-functional module, and the charging terminal is connected to the battery pack.

[0016] Furthermore, the portable ECMO has two power consumption modes: equalization and rotation.

[0017] Furthermore, a magnet is provided inside the housing of the portable ECMO, and a Hall effect device is provided inside the housing of the multifunctional module. The Hall effect device is connected to the microcontroller system and is used to control the start-up of the microcontroller system when the magnet approaches the Hall effect device.

[0018] Furthermore, both the housing and the portable ECMO are provided with silicone strips.

[0019] Furthermore, it also includes a controller, a second optical emitting element, and a second optical receiving element;

[0020] The second light emitting element is disposed inside the housing of the multi-functional module and is connected to the microcontroller system; the second light receiving element is disposed inside the housing of the portable ECMO and is connected to the controller inside the portable ECMO.

[0021] The housing of the multi-functional module and the outer shell of the portable ECMO are respectively provided with light-emitting windows and photosensitive windows corresponding to the second light-emitting element and the second light-receiving element;

[0022] The second optical emitting element and the second optical receiving element interact with each other to realize data transmission between the multifunctional module and the portable ECMO.

[0023] Furthermore, it also includes a third optical emitting element and a third optical receiving element;

[0024] The third optical receiving element is disposed inside the housing of the multi-functional module and is connected to the microcontroller system; the third optical emitting element is disposed inside the housing of the portable ECMO and is connected to the controller inside the portable ECMO.

[0025] The housing of the multi-functional module and the outer shell of the portable ECMO are respectively provided with photosensitive windows and light-emitting windows corresponding to the third light receiving element and the third light emitting element;

[0026] The third optical emitting element and the third optical receiving element interact with each other to realize data transmission between the multifunctional module and the portable ECMO.

[0027] A second aspect of the present invention provides an extended method for a multifunctional module suitable for portable ECMOs.

[0028] The method for extending the multifunctional module for portable ECMO as described in the first aspect includes the following steps:

[0029] Connect one or more multi-functional modules to a portable ECMO;

[0030] The first light emitting element is controlled to emit light, which is then transmitted sequentially through the light-emitting window, the light guide plate on the portable ECMO, and the photosensitive window to the first light receiving element.

[0031] Based on whether the first optical receiving element receives the reflected light signal, the connection status between the multi-functional module and the ECMO is detected, thereby controlling the on / off state of the relay.

[0032] Furthermore, it also includes the following steps:

[0033] Data transmission between the multifunctional module and the portable ECMO is achieved through optical signal interaction.

[0034] Compared with the prior art, the beneficial effects of the present invention are:

[0035] The multifunctional module for portable ECMO described in this invention can be used to continuously power a portable ECMO. Utilizing the principles of refraction and reflection of optical materials, it guides light to transmit in a specific direction. Specifically, it guides the light emitted by the first light-emitting element through a light guide sheet to the first light-receiving element. Then, through photoelectric detection, it achieves connection detection between the portable ECMO and the multifunctional module, thereby controlling the timing of the multifunctional module's power supply to the portable ECMO and reducing the risk of battery damage.

[0036] The multifunctional module for portable ECMO described in this invention separates the portable ECMO and the power supply module, allowing for plug-and-play operation and flexible combination, making it suitable for portable use.

[0037] The multifunctional module for portable ECMO described in this invention disconnects the relay when not powered, completely isolating the metal electrodes and battery pack, which can prevent damage to the internal circuitry caused by static electricity or lightning strikes.

[0038] The multifunctional module for portable ECMO described in this invention has silicone strips on both the housing and the portable ECMO for removing water and dust during insertion along the slide rail and for sealing after insertion. This reduces the probability of battery damage such as short circuits and corrosion in complex water and dust environments, and further improves the environmental adaptability of the portable ECMO. Attached Figure Description

[0039] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments and descriptions of the invention are used to explain the invention and do not constitute an improper limitation of the invention.

[0040] Figure 1 This is an overall schematic diagram of a portable ECMO and multifunctional module provided for embodiments of the present invention;

[0041] Figure 2 This is a structural diagram of the multifunctional module provided in an embodiment of the present invention;

[0042] Figure 3 A side view of a multifunctional module provided in an embodiment of the present invention;

[0043] Figure 4 A top view of the multifunctional module provided in an embodiment of the present invention;

[0044] Figure 5 A structural diagram of a portable ECMO provided in an embodiment of the present invention;

[0045] Figure 6 A side view of a portable ECMO provided in an embodiment of the present invention;

[0046] Figure 7 A bottom view of a portable ECMO provided in an embodiment of the present invention;

[0047] Figure 8 A bottom view of the slotted slide rail provided in an embodiment of the present invention;

[0048] Figure 9 A schematic diagram of a silicone strip provided in an embodiment of the present invention;

[0049] Figure 10 This is an overall structural diagram of the portable ECMO and multifunctional module provided in an embodiment of the present invention;

[0050] Figure 11 This is an overall side view of the portable ECMO and multifunctional module provided in an embodiment of the present invention;

[0051] The components are: 1. Housing, 2. Outer shell, 3. Slotted slide rail, 4. Light guide sheet, 5. Metal electrode, 6. Light-emitting window, 7. Photosensitive window, 8. Silicone strip, 9. Battery pack, 10. Microcontroller system, 11. Relay, 12. First light emitting element, 13. First light receiving element, 14. Photoelectric signal window, 15. Charging terminal, 16. Hall effect device, 17. Pull ring switch, 18. Power indicator, 19. Magnet. Detailed Implementation

[0052] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0053] It should be noted that the following detailed descriptions are exemplary and intended to provide further illustration of the invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0054] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of exemplary embodiments according to the invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0055] In this invention, terms such as "upper," "lower," "left," "right," "front," "back," "vertical," "horizontal," "side," and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used only to facilitate the description of the structural relationships of the various components or elements of this invention and do not specifically refer to any component or element in this invention. They should not be construed as limiting the invention.

[0056] In this invention, terms such as "fixed connection," "connected," and "linked" should be interpreted broadly, indicating a fixed connection, an integral connection, or a detachable connection; a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can determine the specific meaning of these terms in this invention based on the specific circumstances, and they should not be construed as limitations on the invention.

[0057] Where there is no conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0058] Example 1

[0059] Embodiment 1 of the present invention provides a multifunctional module suitable for portable ECMO.

[0060] The multifunctional module suitable for portable ECMO provided in Embodiment 1 of the present invention, such as Figure 1 , Figure 2 and Figure 3 As shown, it includes a housing 1 and a battery pack 9, a relay 11, a microcontroller system 10, a first optical transceiver assembly, and a Hall effect device 16 disposed inside the housing 1.

[0061] Portable ECMO machines adapted to the multifunctional module of this embodiment, such as Figure 5 , Figure 6 and Figure 7 As shown, the device includes a housing 2 and an ECMO main unit installed inside the housing 2. The ECMO main unit includes components such as a blood pump, oxygenator, gas mixer, heater, various arterial and venous catheters, and monitor.

[0062] like Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the bottom of the portable ECMO casing 2 is provided with multiple slot-type slide rails 3, and the top surface of the slot-type slide rails 3 is provided with two metal electrodes 5 (including a positive power supply electrode and a negative power supply electrode) and two photoelectric signal windows 14; as shown Figure 1 As shown, the portable ECMO housing 2 has a light guide sheet 4 and a magnet 19 inside; the two ends of the light guide sheet 4 are respectively connected to two photoelectric signal windows 14.

[0063] The two slotted slide rails 3 are spaced a certain distance apart to facilitate the insertion of the multi-functional module.

[0064] like Figure 2 , Figure 5 , Figure 10 and Figure 11 As shown, the shape of the housing 1 is adapted to the shape of the slot-type slide rail 3, so that the multi-functional module can be detachably connected to the housing 2 of the portable ECMO.

[0065] like Figure 2 , Figure 4 and Figure 5 As shown, on the side of the housing 1 that contacts the portable ECMO, there is a light-emitting window 6, a light-sensing window 7, and two metal electrodes 5.

[0066] like Figure 9 As shown, on the side of the housing 1 that contacts the portable ECMO, a silicone strip 8 is vertically arranged at one end (inner end); on the side of the portable ECMO that contacts the housing 1, a silicone strip 8 is vertically arranged at the outer end; used to wipe water stains on the top surface of the slot-type slide rail 3 when the multi-functional module is inserted into the slot-type slide rail 3.

[0067] like Figure 3 As shown, one end of the housing 1 is provided with a pull ring switch 17, a power indicator 18 and a charging terminal 15.

[0068] like Figure 1 As shown, the housing 1 contains a battery pack 9, a relay 11, a microcontroller system 10, a first optical transceiver assembly, and a Hall effect device 16. The charging terminal 15 and two metal electrodes 5 on the housing 1 are connected to the battery pack 9. One metal electrode 5 (i.e., the positive discharge electrode) is connected to the battery pack 9 via the relay 11, and the other metal electrode 5 (i.e., the negative discharge electrode) is directly connected to the battery pack 9. The charging terminal 15 is connected to the battery pack 9 via a charging module. The first optical transceiver assembly includes a first light emitting element 12 and a first light receiving element 13. The first light emitting element 12 is located at the position of the light-emitting window 6, and the first light receiving element 13 is located at the position of the photosensitive window 7. The Hall effect device 16 is positioned to match the magnet 19. The microcontroller system 10 is connected to the Hall effect device 16, the relay 11, the first light emitting element 12, and the first light receiving element 13, and is used to detect the connection between the multi-functional module and the ECMO, thereby controlling the on / off state of the relay 11.

[0069] Optionally, the battery pack 9 can be charged via an external AC or DC power supply connected to the charging terminal 15.

[0070] Optionally, the battery pack 9 can use batteries of different specifications, such as nickel-metal hydride batteries, lithium batteries or fuel cells, and can support fast charging. The smart interface design also leaves room for future expansion with new types of batteries.

[0071] After the multi-functional module is inserted into the housing 2 of the portable ECMO, the two are connected. The metal electrodes on the housing 1 are in contact with the metal electrodes on the housing 2 of the portable ECMO. The light-emitting window 6 and the photosensitive window 7 are respectively aligned with the two photoelectric signal windows 14. At this time, the magnet 19 approaches the Hall device 16, which activates the microcontroller system 10. After activation, the microcontroller system 10 controls the first light-emitting element 12 of the first optical transceiver assembly to emit a power supply control type optical signal, which is emitted through the light-emitting window 6 and enters the photoconductor 4 through a photoelectric signal window 14. The guide plate 4 conducts the light signal, and then conducts the light signal to the photosensitive window 7 through another photoelectric signal window 14. The first light receiving element 13 of the first optical transceiver component senses the light signal of the power supply control type. At this time, the microcontroller system 10 analyzes the light signal received by the first light receiving element 13 of the first optical transceiver component. If it is the light signal of the power supply control type, it can be confirmed that the multi-function module has been correctly inserted into the portable ECMO, and it can avoid the Hall element being triggered by stray light after being triggered by magnetic field interference. Then the relay 11 is turned on to start the power supply process of the battery pack 9.

[0072] When multiple slotted rails 3 at the bottom of the portable ECMO are inserted into the multi-functional module, supporting power from multiple battery packs, the portable ECMO has two power consumption modes: equalization and rotation. The equalization mode uses the power of each battery pack evenly to maximize the operating time. This power consumption mode can be used when the ECMO surgery time is fixed. The rotation mode prioritizes the use of the power of the battery pack with the lowest power, aiming to deplete the power of one battery pack first, and then reminds the user to replace it.

[0073] Among them, optical signals have the characteristic of carrying information through encoding. Type information can be encoded into optical signals to emit optical signals of power supply control type.

[0074] Optionally, the battery pack 9 and the portable ECMO employ intelligent charging technology, using the lowest voltage at startup, and then negotiating the charging voltage to select a higher voltage.

[0075] To enable multi-functional communication between the multi-functional module and the portable ECMO, a second optical transceiver element and a third optical transceiver element can be provided. The second optical transceiver element includes a second optical transmitter element and a second optical receiver element, and the third optical transceiver element includes a third optical transmitter element and a third optical receiver element. The second optical transmitter element and the third optical receiver element are located in the housing 1 of the multi-functional module and are both connected to the microcontroller system. The second optical receiver element and the third optical transmitter element are located inside the outer shell 2 of the portable ECMO and are both connected to the controller inside the outer shell 2 of the portable ECMO.

[0076] The second optical emitting element corresponds to the second optical receiving element, and the housing 1 and the outer shell 2 of the portable ECMO are provided with light-emitting windows and photosensitive windows corresponding to the second optical transceiver element; the third optical emitting element corresponds to the third optical receiving element, and the housing 1 and the outer shell 2 of the portable ECMO are provided with light-emitting windows and photosensitive windows corresponding to the third optical transceiver element, used to realize bidirectional data transmission between the multi-functional module and the ECMO. Taking the multi-functional module sending data to the ECMO as an example, specifically:

[0077] The microcontroller system encodes the data to be transmitted into an optical signal, which is then sent to the second optical receiving element of the portable ECMO via the second optical transmitting element. The controller inside the portable ECMO parses and processes the optical signal received by the second optical receiving element. This processing includes data correction and display using a built-in high-performance microprocessor and software algorithms. Alternatively, the data to be transmitted can be encoded into an optical signal along with the optical signal, which is then sent to the third optical receiving element of the multi-functional module via the third optical transmitting element. The microcontroller system then performs specific processing on the optical signal received by the third optical receiving element.

[0078] Optionally, the optical transceiver uses half-duplex mode and supports 115200bps data communication, so that there is no need to consider voltage matching issues between the two devices. Moreover, since medical devices undergo repeated sterilization processes, the interface terminals may be slightly deformed and worn. Metal ports require a more precise shape to ensure reliable electrical connection, while optical interfaces are not easily affected by deformation and wear.

[0079] The multifunctional module for portable ECMO provided in this embodiment separates the portable ECMO and the power supply module, allowing for plug-and-play functionality and flexible combination, making it suitable for portable use.

[0080] The multifunctional module for portable ECMO provided in this embodiment can be used to continuously power the portable ECMO. It utilizes the refraction and reflection principles of optical materials to guide light to transmit in a specific direction. That is, it guides the light emitted by the first light emitting element to be reflected by the light guide sheet and enter the first light receiving element. Then, through photoelectric detection, it realizes the connection detection between the portable ECMO and the multifunctional module, thereby controlling the timing when the multifunctional module starts to power the portable ECMO and reducing the risk of battery damage.

[0081] The multifunctional module for portable ECMO provided in this embodiment disconnects the relay when powered on, completely isolating the metal electrodes and battery pack, which can prevent damage to the internal circuitry from static electricity or lightning strikes.

[0082] The multifunctional module for portable ECMO provided in this embodiment has silicone strips on both the inner and outer sides of the metal electrodes for removing water and dust during insertion along the slide rail and for sealing after insertion. This reduces the probability of battery damage such as short circuits and corrosion in complex water and dust environments, and further improves the environmental adaptability of portable ECMO.

[0083] Example 2

[0084] This embodiment provides an extended method for a multifunctional module suitable for portable ECMO, as described in Embodiment 1.

[0085] The extended method for a multifunctional module suitable for portable ECMO, as described in Example 1, provided in this embodiment includes:

[0086] (1) Connect one or more multi-functional modules to a portable ECMO.

[0087] (2) Power supply control, specifically including:

[0088] When a magnet approaches a Hall effect device, the Hall effect device activates the microcontroller system. The microcontroller system then controls the first optical emitting element of the first optical transceiver assembly to emit an optical signal. Through the light-emitting window and the light guide plate on the portable ECMO, the optical signal is transmitted to the first optical receiving element of the first optical transceiver assembly and then transmitted to the microcontroller system for analysis.

[0089] The microcontroller system detects the connection status between the multi-functional module and the portable ECMO based on whether the first optical receiving element receives the reflected light signal, and then controls the on / off state of the relay to achieve power supply control for the portable ECMO.

[0090] (3) Data transmission, specifically including:

[0091] Connect one or more multi-functional modules to a portable ECMO;

[0092] Data transmission between the multi-functional module and the ECMO is achieved through optical signal interaction between the second and third optical transceiver components. For example, the microcontroller system encodes the data to be transmitted into an optical signal and sends it to the second optical receiver of the portable ECMO via the second optical transmitter. The controller inside the portable ECMO parses the optical signal received by the second optical receiver to obtain an electrical signal. The controller then encodes the data to be transmitted into an optical signal and sends it to the third optical receiver of the multi-functional module via the third optical transmitter. The microcontroller system then processes the optical signal received by the third optical receiver.

[0093] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A multifunctional module suitable for portable ECMO, characterized in that: Detachably connected to a portable ECMO, including a housing and a battery pack, relays, a microcontroller system, a first optical emitting element, and a first optical receiving element disposed inside the housing; The portable ECMO has two metal electrodes and two photoelectric signal windows on its outer shell, and the two photoelectric signal windows are connected by a light guide sheet. On the side of the housing that contacts the portable ECMO, there are light-emitting windows and light-sensing windows, and two metal electrodes are provided. One of the two metal electrodes on the housing is connected to the battery pack through a relay, and the other metal electrode is directly connected to the battery pack. After the portable ECMO is connected to the multi-functional module, the metal electrodes on the housing come into contact with the metal electrodes on the outer shell of the portable ECMO. The microcontroller system controls the first light emitting element to emit light signals, and the first light receiving element receives the light signals reflected by the light guide sheet and transmits them to the microcontroller system. The microcontroller system detects the connection status between the multi-functional module and the portable ECMO based on whether the first light receiving element receives the reflected light signals, and then controls the on / off state of the relay.

2. The multifunctional module suitable for portable ECMO as described in claim 1, characterized in that: The portable ECMO has a multi-slot slide rail on the bottom of its casing, and the shape of the casing is adapted to the slot slide rail on the bottom of the portable ECMO casing, so that the multi-functional module can be detachably connected to the portable ECMO.

3. The multifunctional module suitable for portable ECMO as described in claim 1, characterized in that: A charging terminal is provided at one end of the housing of the multi-functional module, and the charging terminal is connected to the battery pack.

4. The multifunctional module suitable for portable ECMO as described in claim 1, characterized in that: The portable ECMO has two power consumption modes: equalization and rotation.

5. The multifunctional module suitable for portable ECMO as described in claim 1, characterized in that: The portable ECMO has a magnet inside its casing, and the multi-functional module has a Hall effect device inside its casing. The Hall effect device is connected to a microcontroller system and is used to control the microcontroller system to start when the magnet approaches the Hall effect device.

6. The multifunctional module suitable for portable ECMO as described in claim 1, characterized in that: Both the housing and the portable ECMO are equipped with silicone strips.

7. The multifunctional module suitable for portable ECMO as described in claim 1, characterized in that: It also includes a controller, a second optical emitting element, and a second optical receiving element; The second light emitting element is housed within the housing of the multi-functional module and is connected to the microcontroller system; The second optical receiving element is located inside the housing of the portable ECMO and is connected to the controller inside the portable ECMO. The housing of the multi-functional module and the outer shell of the portable ECMO are respectively provided with light-emitting windows and photosensitive windows corresponding to the second light-emitting element and the second light-receiving element; The second optical emitting element and the second optical receiving element interact with each other to realize data transmission between the multifunctional module and the portable ECMO.

8. The multifunctional module suitable for portable ECMO as described in claim 1, characterized in that: It also includes a third optical emitting element and a third optical receiving element; The third optical receiving element is housed within the housing of the multi-functional module and is connected to the microcontroller system. The third light-emitting element is located inside the housing of the portable ECMO and is connected to the controller inside the portable ECMO. The housing of the multi-functional module and the outer shell of the portable ECMO are respectively provided with photosensitive windows and light-emitting windows corresponding to the third light receiving element and the third light emitting element; The third optical emitting element and the third optical receiving element interact with each other to realize data transmission between the multifunctional module and the portable ECMO.

9. A method for expanding a multi-functional module, characterized in that: The multifunctional module applicable to portable ECMO as described in any one of claims 1-8 includes the following steps: Connect one or more multi-functional modules to a portable ECMO; The first light emitting element is controlled to emit light, which is then conducted sequentially through the light-emitting window, the light guide plate on the portable ECMO, and the photosensitive window to the first light receiving element; Based on whether the first optical receiving element receives the reflected light signal, the connection status between the multi-functional module and the ECMO is detected, thereby controlling the on / off state of the relay.

10. The method for expanding a multi-functional module as described in claim 9, characterized in that: It also includes the following steps: Data transmission between the multifunctional module and the portable ECMO is achieved through optical signal interaction.

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