CN219251148U

CN219251148U - Portable ECMO equipment

Info

Publication number: CN219251148U
Application number: CN202221520581.8U
Authority: CN
Inventors: 李兴成; 郑士杰
Original assignee: Chongqing Kaici Intelligent Technology Research Institute Co ltd
Current assignee: Chongqing Kaici Intelligent Technology Research Institute Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2023-06-27
Anticipated expiration: 2032-06-17

Abstract

A mobile ECMO device comprises a mobile frame, a blood pump, a membrane lung, a variable-temperature water tank, an air-oxygen mixer and a control device; the movable frame comprises a frame body and universal wheels arranged at the bottom of the frame body; the blood pump, the membrane lung, the variable-temperature water tank, the air-oxygen mixer and the control equipment are all arranged on the frame body; the blood pump outlet is connected with the membranous lung inlet through a bridge tube; the inlet of the blood pump is connected with a blood guiding tube; the membrane lung outlet is connected with a blood transfusion tube; the variable-temperature water tank is connected with the membrane lung through a water pipe, and the air-oxygen mixer is connected with the membrane lung through an oxygen pipe; the control device is connected with the blood pump. The mobile ECMO device can move, and flexibility and applicability of the mobile ECMO device are improved.

Description

Portable ECMO equipment

Technical Field

The utility model relates to the field of critical emergency treatment, in particular to mobile ECMO equipment.

Background

ECMO is an english acronym for extracorporeal membrane oxygenation (extracorporeal membrane oxygenation), ECMO is an extracorporeal circulation technique that leaves the heart operating room. The principle is that venous blood in the body is led out of the body, is infused into the artery or vein system of a patient after being subjected to artificial heart-lung bypass oxygenation by special materials, plays a part in heart-lung substitution, and maintains oxygenation blood supply of organ tissues of a human body.

The existing ECMO system comprises a blood pump, a membrane lung, a variable-temperature water tank, an air-oxygen mixer and control equipment; is generally assembled and placed in a room, and occupies a large space; existing ECMO systems are inconvenient to handle and use when the patient is outside or inconvenient to move to the ECMO room and the ECMO system is required.

Disclosure of Invention

The object of the present utility model is to overcome the disadvantages of the prior art and to provide a mobile ECMO device.

A mobile ECMO device comprises a mobile frame, a blood pump, a membrane lung, a variable-temperature water tank, an air-oxygen mixer and a control device; the movable frame comprises a frame body and universal wheels arranged at the bottom of the frame body;

the blood pump, the membrane lung, the variable-temperature water tank, the air-oxygen mixer and the control equipment are all arranged on the frame body;

the blood pump outlet is connected with the membranous lung inlet through a bridge tube; the inlet of the blood pump is connected with a blood guiding tube; the membrane lung outlet is connected with a blood transfusion tube; the variable-temperature water tank is connected with the membrane lung through a water pipe, and the air-oxygen mixer is connected with the membrane lung through an oxygen pipe;

the control device is connected with the blood pump.

Further, the frame body comprises an upper mounting plate and a lower mounting plate, and the peripheries of the upper mounting plate and the lower mounting plate are connected through a plurality of upright posts; the universal wheel is arranged at the bottom of the lower mounting plate; guard rails are arranged around the top of the upper mounting plate; the upper end of the guardrail is vertically provided with a vertical rod; the blood pump is arranged on the left side guard rail, and the membranous lung is arranged on the right side guard rail; the variable-temperature water tank is arranged on the lower mounting plate; the air-oxygen mixer is arranged on the vertical rod; the control device is placed on the upper mounting plate.

Further, an air compressor is also arranged on the lower mounting plate; the air compressor is connected with an air inlet of the air-oxygen mixer through a pipeline.

Further, a pushing handrail is arranged on the guardrail; the vertical rod is a telescopic rod.

Further, the control device comprises a housing, a controller and a display device; the controller is arranged in the shell, and the display equipment is positioned on the surface of the shell; the display device is connected with the controller.

Further, at least one pipeline among the blood guiding pipe, the bridge pipe and the blood conveying pipe is provided with a pressure sensor; the pressure sensor and the blood pump are connected with the controller; the controller is also connected with a blood pump rotating speed sensor; the blood pump rotation speed sensor is arranged at the blood pump.

Further, in the blood guiding tube, the bridge tube and the blood conveying tube, at least one pipeline is provided with a flow sensor; the flow sensor is connected with the controller.

Further, at least one pipeline among the blood guiding pipe, the bridge pipe and the blood conveying pipe is provided with bubble sensing; the bubble sensor is connected with the controller.

Further, the blood transfusion tube is provided with an oxygen concentration sensor which is connected with the controller.

Further, a temperature sensor is arranged on the blood conveying tube, and the temperature sensor is connected with the controller.

The utility model has the following advantages:

the ECMO system is placed on the movable frame, so that the ECMO system can be transported in a scheme; the flexibility of the equipment use is improved.

The blood pump, the membrane lung and the air-oxygen mixer are arranged on the guard bar or the upright rod; the variable-temperature water tank, the control equipment and the air compressor are arranged on the upper mounting plate and the lower mounting plate; through this kind of layout mode, guarantee the installation stability of equipment, the occupation space of whole equipment of ability further reduces again simultaneously, the removal of whole equipment of being convenient for.

The rotation speed of the blood pump is controlled according to the pressure value by detecting the pressure in the blood introducing tube, the bridge tube and/or the blood conveying tube, so that the blood flow is controlled, the stable circulation of blood in the human body and the ECMO system is further ensured, the physical health of a patient is ensured, and the treatment effect is achieved.

Drawings

FIG. 1 is a block diagram of the overall architecture of the present utility model;

fig. 2 is a connection diagram of the ECMO system.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and 2, a mobile ECMO device includes a mobile frame, a blood pump 1, a membrane lung 2, a variable temperature water tank 3, an air-oxygen mixer 4, and a control device 18; the movable frame comprises a frame body and universal wheels arranged at the bottom of the frame body; the blood pump 1, the membrane lung 2, the variable-temperature water tank 3, the air-oxygen mixer 4 and the control equipment 18 are all arranged on the frame body; the outlet of the blood pump 1 is connected with the inlet of the membranous lung 2 through a bridge tube 7; the inlet of the blood pump 1 is connected with a blood guiding tube 6; the outlet of the membrane lung 2 is connected with a blood transfusion tube 8; the variable-temperature water tank 3 is connected with the membranous lung 2 through a water pipe, and the air-oxygen mixer 4 is connected with the membranous lung 2 through an oxygen pipe; the control device 18 is connected to the blood pump 1. In the utility model, the blood pump, the membrane lung, the variable-temperature water tank and the air-oxygen mixer are all of the existing structures and can be directly purchased, and the blood pump is a centrifugal pump.

Due to the structure, the ECMO system is placed on the movable frame, so that the ECMO system can be conveniently carried; the flexibility of the equipment use is improved.

When in use, the whole equipment is moved to a patient, and the blood introducing tube 6 and the blood introducing tube 8 are connected with a human body; blood is drawn from the body through the blood transfer tube 6 to cause blood to enter the ECMO system, and the blood pump 1 provides the motive force for the blood to circulate between the ECMO system and the body. When the device works, blood firstly enters the blood introducing tube 6, the blood is unoxygenated blood, the blood pump 1 conveys the unoxygenated blood to the membrane lung 2, and the membrane lung 2 is connected with the air-oxygen mixer 4, so that the air-oxygen mixer 4 mixes oxygen and air according to a certain proportion and then inputs the mixed oxygen and air into the membrane lung 2, and oxygen is injected into the unoxygenated blood to supply needed oxygen for a patient to maintain life; after passing through the membrane lung 2, the unoxidized blood becomes oxygenated blood, which is then introduced into the human body through a blood transfusion tube. Because the membrane lung 2 is connected with the variable temperature water tank 3, water in the variable temperature water tank 3 can heat blood in the membrane lung 2, so that the temperature of the blood is maintained at 36.5-38 ℃, and the normal body temperature of a human body is ensured. When the variable-temperature water tank heats the blood, hot water does not enter the blood, the blood is in the pipeline of the membrane lung, the hot water is outside the pipeline, and the hot water wraps the pipeline to heat the blood in the pipeline.

Further, the frame body comprises an upper mounting plate 21 and a lower mounting plate 20, and the peripheries of the upper mounting plate 21 and the lower mounting plate 20 are connected through a plurality of upright posts; the universal wheels are arranged at the bottom of the lower mounting plate 20, and as shown in fig. 1, 4 universal wheels are arranged at the bottom of the lower mounting plate 20; guard rails 19 are arranged around the top of the upper mounting plate 21; the upper end of the guardrail 19 is vertically provided with a vertical rod 17; the blood pump 1 is arranged on the left side guard rail 19, and the membrane lung 2 is arranged on the right side guard rail 19; the variable-temperature water tank 3 is placed on the lower mounting plate 20; the air-oxygen mixer 4 is arranged on the vertical rod 17; the control device 18 is placed on the upper mounting plate 21.

Because the blood pump 1, the membrane lung 2 and the air-oxygen mixer 4 are small in volume and weight, the blood pump 1, the membrane lung 2 and the air-oxygen mixer 4 can be arranged on the guard bar 19 or the upright bar 17, and the blood pump 1, the membrane lung 2 and the air-oxygen mixer 4 can be detachably arranged on the frame body through the clamp; the variable-temperature water tank 3 and the control device 18 are arranged on the upper mounting plate 21 and the lower mounting plate 20 when the volume and the weight are large; through this kind of layout mode, guarantee the installation stability of equipment, the occupation space of whole equipment of ability further reduces again simultaneously, the removal of whole equipment of being convenient for.

Further, an air compressor 5 is also disposed on the lower mounting plate 20; the air compressor 5 is connected with an air inlet of the air-oxygen mixer 4 through a pipeline.

The existing air-oxygen mixer 4 comprises a mixing cavity 401 and an oxygen tank 402; the outlet of the mixing cavity 401 is connected with the membrane lung 2; an oxygen inlet of the mixing cavity 401 is connected with an outlet of the oxygen tank 402, a valve I is arranged at the outlet of the mixing cavity 401, a valve II is arranged at the oxygen inlet of the mixing cavity 401, and a valve III is arranged at an air inlet of the mixing cavity 401; when the device is used, the opening degree of the valve II and the opening degree of the valve III are manually adjusted, the amount of air and oxygen entering the mixing cavity is controlled, and the amount of air and oxygen entering the membrane lung is controlled by manually adjusting the valve I. The existing air inlet is inconvenient for air to enter, so the air compressor 5 is arranged at the air inlet of the mixing cavity 401; air can be conveniently pressed into the mixing chamber 401. Because the air compressor 5 is large in size and weight, the air compressor 5 is placed on the lower mounting plate 20, and the stable installation of equipment is ensured.

Further, a pushing handrail 22 is arranged on the guardrail 19; the upright 17 is a telescopic rod.

The pushing arm 22 is convenient to push the moving frame to move; the vertical rod 17 is a telescopic rod, so that the installation height of the air-oxygen mixer 4 can be conveniently adjusted.

Further, the control device 18 includes a housing, a controller 9, and a display device 10; the controller 9 is arranged in the shell, and the display device 10 is positioned on the surface of the shell; the display device 10 is connected to the controller 9.

The shell is also provided with a plurality of control keys, and the control keys are connected with the controller 9 and are used for sending various control signals to the controller 9 so as to control the rotating speed of the blood pump and the like.

Further, at least one of the blood guiding tube 6, the bridge tube 7 and the blood conveying tube 8 is provided with a pressure sensor 11; the pressure sensor 11 and the blood pump 1 are connected with the controller 9; the controller 9 is also connected with a blood pump rotating speed sensor 16; the blood pump rotational speed sensor 16 is provided at the blood pump 1.

Due to the existence of the pressure sensor 11, the pressure in the blood guide tube 6, the bridge tube 7 and/or the blood delivery tube 8 is detected and displayed on the display device, so that the rotating speed of the blood pump 1 is conveniently controlled according to the detected pressure value, the blood flow is further controlled, the stable circulation of blood in a human body and ECMO system parts is further ensured, the physical health of a patient is ensured, and the treatment effect is achieved. The rotational speed of the blood pump can be automatically controlled and/or manually controlled; when the automatic control is performed, the controller controls the rotating speed of the blood pump according to the detected pressure value, when the pressure sensor 11 detects that the pressure value is larger than a set threshold value in the controller, the controller controls the blood pump to decelerate, and when the pressure sensor 11 detects that the pressure value is smaller than the set threshold value in the controller, the controller controls the blood pump to accelerate; if the manual control is performed, the medical staff inputs the rotation speed value of the blood pump to the controller through the control key according to the pressure value on the display device, and then the controller adjusts the rotation speed of the blood pump.

In order to ensure the accuracy of the control of the blood pump 1 and the stability of the blood flow, it is preferable that the vascular graft 6, the bridge tube 7 and the blood transfusion tube 8 are provided with pressure sensors 11, as shown in fig. 2; if only one pressure sensor 11 is provided, it is preferably provided on the bridge tube 7; if only two pressure sensors 11 are provided, they are preferably provided on the bridge tube 7 and the blood line 8.

Due to the existence of the blood pump rotating speed sensor 16, the rotating speed of the blood pump 1 can be monitored at any time, the tool condition of the blood pump 1 is known, whether the blood pump 1 fails or not is judged, the stable operation of the ECMO system is ensured, and the safety of a patient is ensured. It is also possible to know whether the current blood flow speed is too fast or too slow by the rotational speed of the blood pump 1. The rotational speed of the blood pump 1 detected by the blood pump rotational speed sensor 16 is also displayed on the display device 10, which is convenient for medical staff to check.

Further, at least one of the blood guiding tube 6, the bridge tube 7 and the blood conveying tube 8 is provided with a flow sensor 12; the flow sensor 12 is connected to the controller 9.

The flow sensor 12 is used for detecting the blood flow in the blood introducing tube 6, the bridge tube 7 and/or the blood introducing tube 8, and displaying the blood flow on the display device 10, so that medical staff can know the blood flow intuitively, and whether the blood flow is stable or not can be judged. In use, the flow sensors 12 are preferably arranged on the blood guiding tube 6, the bridge tube 7 and the blood conveying tube 8, as shown in fig. 2; if only one flow sensor 12 is provided, it is preferably provided on the bridge pipe 7; if only two flow sensors 12 are provided, they are preferably provided on the bridge line 7 and the blood line 8.

Further, at least one of the blood guiding tube 6, the bridge tube 7 and the blood conveying tube 8 is provided with a bubble sensor 13; the bubble sensor 13 is connected to the controller 9.

The bubble sensor 13 is used for detecting whether bubbles exist in the blood guiding tube 6, the bridge tube 7 and the blood conveying tube 8, and if the bubbles exist, alarm information can be displayed on the display device 10 so as to inform medical staff. In use, bubble sensors 13 are preferably arranged on the blood guide tube 6, the bridge tube 7 and the blood delivery tube 8, as shown in fig. 2; if only one bubble sensor 13 is provided, it is preferably provided on the bridge tube 7; if only two bubble sensors 13 are provided, they are preferably provided on the bridge tube 7 and the blood line 8.

Further, the blood transfusion tube 8 is provided with an oxygen concentration sensor 14, and the oxygen concentration sensor 14 is connected with the controller 9.

The blood oxygen concentration sensor 14 is used for detecting the blood oxygen concentration in the blood transfusion tube 8 and displaying on the display device 10, so that the medical staff can conveniently adjust the proportion of air and oxygen through the air-oxygen mixer 4.

Further, a temperature sensor 15 is disposed on the blood delivery tube 8, and the temperature sensor 15 is connected to the controller 9.

The temperature sensor 15 is used to detect the temperature of the blood in the blood transport tube 8 and is displayed on the display device 10. The temperature of blood is controlled by medical staff through the variable-temperature water tank 3, the temperature of the input blood is ensured to be 36.5-38 ℃, and the normal body temperature of a human body is ensured.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A mobile ECMO device, characterized by: the device comprises a movable frame, a blood pump (1), a membrane lung (2), a variable-temperature water tank (3), an air-oxygen mixer (4) and a control device (18); the movable frame comprises a frame body and universal wheels arranged at the bottom of the frame body; the blood pump (1), the membrane lung (2), the variable-temperature water tank (3), the air-oxygen mixer (4) and the control equipment (18) are all arranged on the frame body; the outlet of the blood pump (1) is connected with the inlet of the membranous lung (2) through a bridge tube (7); an inlet of the blood pump (1) is connected with a blood guiding tube (6); an outlet of the membrane lung (2) is connected with a blood transfusion tube (8); the variable-temperature water tank (3) is connected with the membrane lung (2) through a water pipe, and the air-oxygen mixer (4) is connected with the membrane lung (2) through an oxygen pipe; the control device (18) is connected to the blood pump (1).

2. The mobile ECMO device according to claim 1, characterized in that: the frame body comprises an upper mounting plate (21) and a lower mounting plate (20), and the peripheries of the upper mounting plate (21) and the lower mounting plate (20) are connected through a plurality of upright posts; the universal wheel is arranged at the bottom of the lower mounting plate (20); guard rails (19) are arranged around the top of the upper mounting plate (21); the upper end of the guardrail (19) is vertically provided with a vertical rod (17); the blood pump (1) is arranged on the left side guard rail, and the membrane lung (2) is arranged on the right side guard rail; the variable-temperature water tank (3) is arranged on the lower mounting plate (20); the air-oxygen mixer (4) is arranged on the vertical rod (17); the control device (18) is placed on the upper mounting plate (21).

3. The mobile ECMO device according to claim 2, characterized in that: an air compressor (5) is also arranged on the lower mounting plate (20); the air compressor (5) is connected with an air inlet of the air-oxygen mixer (4) through a pipeline.

4. A mobile ECMO device according to claim 3, characterized in that: a pushing handrail (22) is arranged on the guardrail (19); the vertical rod (17) is a telescopic rod.

5. The mobile ECMO device according to claim 1, characterized in that: the control device (18) comprises a housing, a controller (9) and a display device (10); the controller (9) is arranged in the shell, and the display device (10) is positioned on the surface of the shell; the display device (10) is connected with the controller (9).

6. The mobile ECMO device according to claim 5, characterized in that: at least one of the blood introducing tube (6), the bridge tube (7) and the blood introducing tube (8) is provided with a pressure sensor (11); the pressure sensor (11) and the blood pump (1) are connected with the controller (9); the controller (9) is also connected with a blood pump rotating speed sensor (16); the blood pump rotational speed sensor (16) is arranged at the blood pump (1).

7. The mobile ECMO device according to claim 5, characterized in that: at least one of the blood introducing tube (6), the bridge tube (7) and the blood introducing tube (8) is provided with a flow sensor (12); the flow sensor (12) is connected with the controller (9).

8. The mobile ECMO device according to claim 5, characterized in that: at least one of the blood introducing tube (6), the bridge tube (7) and the blood introducing tube (8) is provided with a bubble sensor (13); the bubble sensor (13) is connected with the controller (9).

9. The mobile ECMO device according to claim 5, characterized in that: blood transfusion pipe (8) is provided with blood oxygen concentration sensor (14), and blood oxygen concentration sensor (14) links to each other with controller (9).

10. The mobile ECMO device according to claim 5, characterized in that: the blood transfusion tube (8) is provided with a temperature sensor (15), and the temperature sensor (15) is connected with the controller (9).