ECMO blood heating device

Abstract

The invention provides an ECMO blood heating device, and relates to the field of medical instruments, and the ECMO blood heating device comprises a medical frame body, a medical host, a medical pump head, a blood heating piece, a heat preservation protection motor, a blood heating mechanism and a heat preservation protection mechanism; the medical host is fixedly connected to the upper end of the inner side of the medical frame body; the medical membrane lung machine main body is fixedly connected to the upper side of the front end of the medical fixing plate; the medical pump head is fixedly connected to the lower side of the front end of the medical fixing plate; the blood heating piece is fixedly connected to the upper end of the left side of the front of the medical fixing plate; the heat preservation protection motor is fixedly connected to the rear portion of the medical fixing plate; the blood heating mechanism is arranged at the upper end of the medical frame body; the heat preservation protection mechanism is arranged at the front end of the medical fixing plate, protection of a working area of the ECMO machine is achieved, stable operation of a medical pump head and a medical membrane lung machine body is guaranteed, and the problem that the stable operation of a blood pump motor and a lung membrane is affected due to the fact that medical workers are likely to touch the blood pump motor and the lung membrane by mistake is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to an ECMO blood warming device. Background Art

[0002] In the ECMO system, after the blood is drawn out of the patient's body, it passes through the oxygenator for oxygenation and carbon dioxide discharge. Then, the blood enters the blood warming device and exchanges heat with the heating element in the heat exchanger to warm the blood. The warmed blood is then returned to the patient's body through the catheter to maintain the patient's body temperature and life activities. The ECMO (extracorporeal membrane oxygenation) blood warming device is an important component of the ECMO system. It is mainly used to regulate and maintain the blood temperature in the extracorporeal circulation circuit to ensure that the blood maintains an appropriate body temperature when it is returned to the patient's body. The existing ECMO system generally consists of an intravascular cannula, a connecting tube, a blood drive pump (centrifugal pump / power pump), a membrane lung oxygenator (oxygenator / membrane lung), an oxygen supply tube and a monitoring system.

[0003] The existing publication number is: CN112870545BECMO blood warming device. This application proposes a heat exchanger, wherein the ECMO is provided with a blood pump motor and a lung membrane, and the device comprises: a water cooling jacket provided outside the blood pump motor; a heating water jacket provided outside the lung membrane; wherein the water outlet of the water cooling jacket is connected to the water inlet of the heating water jacket, and the water inlet of the water cooling jacket is connected to the water outlet of the heating water jacket, so as to replace the hot water in the water cooling jacket into the heating water jacket, heat the lung membrane, and effectively save energy.

[0004] However, when the existing ECMO machine is working, the ECMO blood pump motor and lung membrane are generally in an open state. Medical staff performing treatment may easily accidentally touch the blood pump motor and lung membrane, which may affect the stable operation of the blood pump motor and lung membrane, and there is a risk of causing secondary injury to the patient. Summary of the invention

[0005] In view of this, the present invention provides an ECMO blood warming device, which has a thermal insulation protective part to achieve the thermal insulation effect of the blood inside the connecting tube, avoid the rapid loss of heat in the blood when transporting blood, reduce the loss of heat in the blood, reduce the energy consumption of subsequent blood heating, and thus reduce the energy consumption of the entire ECMO machine, and achieve protection of the working area of ​​the ECMO machine, avoid medical staff accidentally touching the medical pump head and the medical membrane lung machine body, achieve protection of the medical pump head and the medical membrane lung machine body, ensure the stable operation of the medical pump head and the medical membrane lung machine body, improve the efficiency of heat exchange, ensure the heating effect of the blood, reduce the occurrence of patient complications, and achieve protection of patients.

[0006] The present invention provides an ECMO blood warming device with the purpose and efficacy, including a medical frame, a moving wheel, a moving pusher, a medical host, a medical fixing plate, a medical membrane lung machine body, a medical pump head, a blood warming component, a heat preservation and protection motor, a blood warming mechanism and a heat preservation and protection mechanism; There are four groups of moving wheels in total, all of which are universal wheel structures with brakes, and the four groups of moving wheels are respectively fixedly connected to the lower end of the medical frame; The movable push handle is fixedly connected to the upper rear end of the medical frame; The medical host is fixedly connected to the inner upper end of the medical frame; The medical fixing plate is fixedly connected to the front end of the medical frame; The medical membrane lung machine body is fixedly connected to the upper front end of the medical fixing plate; The medical pump head is fixedly connected to the lower side of the front end of the medical fixing plate, and the medical pump head and the medical membrane lung machine body are provided with a connecting pipe; The blood warming component is fixedly connected to the upper left end of the front of the medical fixing plate, and the blood warming component is arranged on the outside of the connecting tube; The thermal insulation protection motor is fixedly connected to the rear of the medical fixing plate; The blood warming mechanism is arranged at the upper end of the medical frame; The heat preservation and protection mechanism is arranged at the front end of the medical fixing plate.

[0007] Further, the blood warming mechanism comprises: a warming water tank; The heating water tank is fixedly connected to the upper end of the medical frame, an electric heating wire structure is arranged inside the heating water tank, and a heat transfer medium is filled inside the heating water tank.

[0008] Furthermore, the blood warming mechanism also includes: a warming circulation pump and a warming circulation tube; The heating circulation pump is fixedly connected to the upper end of the medical frame, the water inlet pipe of the heating circulation pump is connected to the interior of the heating water tank, and the water outlet pipe of the heating circulation pump is connected to the interior of the blood heating component; The heating circulation pipe is fixedly connected to the front end of the heating water tank, and the front end of the heating circulation pipe is communicated with the inside of the blood heating component.

[0009] Furthermore, the blood warming mechanism also includes: a warming auxiliary water wheel; The heating auxiliary water wheels are provided with two groups in total, and the two groups of heating auxiliary water wheels are rotatably connected to the inside of the blood heating component respectively.

[0010] Furthermore, the heat preservation protection mechanism includes: a protection fixing plate and a protection connection buckle; The protective fixing plate is fixedly connected to the front right side of the medical fixing plate, and an arc-shaped sliding groove structure is provided on the inner side of the protective fixing plate; The protective connecting buckles are provided in multiple groups, and the multiple groups of protective connecting buckles are respectively fixedly connected to the front of the protective fixing plate, and the connecting tubes of the medical pump head are clamped on the inner sides of the protective connecting buckles.

[0011] Furthermore, the heat preservation and protection mechanism also includes: an anti-bending support wheel; The anti-bending support wheel is rotatably connected to the front lower side of the medical fixing plate, and the connecting pipe of the medical pump head is wound around the outer periphery of the anti-bending support wheel.

[0012] Furthermore, the heat preservation and protection mechanism also includes: a first heat preservation gear, a second heat preservation gear and a heat preservation and protection member; The first heat preservation gear is coaxially fixedly connected to the front end of the rotating shaft of the heat preservation protection motor; The second heat preservation gear is rotatably connected to the upper front end of the medical fixing plate, and the second heat preservation gear is meshed with the first heat preservation gear; The thermal insulation protection piece has a tile-shaped thermal insulation cotton structure, and the thermal insulation protection piece is fixedly connected to the centrifugal position below the second thermal insulation gear, and the thermal insulation protection piece is slidably connected to the inside of the arc-shaped sliding groove of the protection fixing plate.

[0013] Furthermore, the heat preservation protection mechanism also includes: a protection drive worm, a protection drive worm wheel, a protection drive shaft, a protection gear rod and a protection transmission rod; The protection drive worm is rotatably connected to the inner side of the medical fixing plate, and the protection drive worm is connected to the rotating shaft of the thermal insulation protection motor through a synchronous belt transmission; The protection drive worm wheel is rotatably connected to the inner side of the medical fixing plate, and the protection drive worm wheel is meshed with the protection drive worm; The protection drive shaft is rotatably connected to the inner side of the medical fixing plate, and the protection drive shaft is coaxially and fixedly connected to the protection drive worm gear; The protective gear rods are provided with multiple groups, and the multiple groups of protective gear rods are rotatably connected to the left and right ends of the inner side of the medical fixing plate, wherein the top two groups of protective gear rods are coaxially fixedly connected to the protective driving shaft; The protection transmission rods are provided in multiple groups, and upper and lower ends of the multiple groups of protection transmission rods are hinged to the protection gear rods.

[0014] Beneficial effect: The present invention sets a blood heating mechanism, turns on the heating circulation pump, and the heating circulation pump sucks the warm water inside the heating water tank into the inside of the blood heating component. At this time, the blood heating component contacts the connecting pipe to achieve blood heating, and at the same time, the warm water impacts the heating auxiliary water wheel, and the heating auxiliary water wheel is impacted and rotated. The rotation of the heating auxiliary water wheel drives the water inside the blood heating component to fit the inner wall of the blood heating component, thereby improving the efficiency of heat exchange, ensuring the heating effect on the blood, reducing the occurrence of complications in patients, achieving protection for patients, and ensuring the use effect of the entire ECMO machine.

[0015] The present invention arranges the thermal insulation protection mechanism, so that the connecting tube of the medical pump head is clamped on the inner side of the protective connecting buckle. The protective connecting buckle fixes the connecting tube and avoids the connecting tube from scattering, thereby ensuring the use effect of the entire ECMO machine. At the same time, the anti-bending support wheel supports the connecting tube and avoids the connecting tube from bending. Finally, the thermal insulation protection motor is turned on, and the rotation of the rotating shaft of the thermal insulation protection motor drives the first thermal insulation gear to rotate. The rotation of the first thermal insulation gear drives the second thermal insulation gear to rotate. The rotation of the second thermal insulation gear drives the thermal insulation protection part to rotate. The rotation of the thermal insulation protection part protects the connecting tube. The thermal insulation protection part achieves the effect of heat preservation of the blood inside the connecting tube, thereby avoiding the rapid loss of heat in the blood during blood transportation, reducing the loss of heat in the blood, and reducing the energy consumption of subsequent blood heating, thereby reducing the energy consumption of the entire ECMO machine.

[0016] Through the arrangement of the thermal insulation protection mechanism, the rotation of the rotating shaft of the thermal insulation protection motor also drives the rotation of the protection driving worm, the rotation of the protection driving worm drives the rotation of the protection driving worm wheel, the rotation of the protection driving worm wheel drives the rotation of the protection driving shaft, the rotation of the protection driving shaft drives the two top groups of protection levers to swing, the swinging of the two top groups of protection levers drives the other protection levers to swing under the action of the protection transmission rod, at this time, the swinging of the protection levers realizes the protection of the working area of ​​the ECMO machine, avoids medical staff from accidentally touching the medical pump head and the medical membrane lung machine body, realizes the protection of the medical pump head and the medical membrane lung machine body, and ensures the stable operation of the medical pump head and the medical membrane lung machine body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0018] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention.

[0020] Figure 2Schematic diagram of the protective lever structure of an embodiment of the present invention.

[0021] Figure 3 It is a schematic diagram of the structure of the blood warming mechanism according to an embodiment of the present invention.

[0022] Figure 4 It is a schematic cross-sectional structural diagram of a blood warming mechanism according to an embodiment of the present invention.

[0023] Figure 5 It is a schematic diagram of the second heat preservation gear structure of an embodiment of the present invention.

[0024] Figure 6 It is a schematic diagram of the structure of the thermal insulation protection member of an embodiment of the present invention.

[0025] Figure 7 It is a schematic diagram of the structure of the thermal insulation protection mechanism of an embodiment of the present invention.

[0026] Figure 8 It is a schematic diagram of the protective drive worm gear structure of an embodiment of the present invention.

[0027] Reference numerals list 1. Medical frame; 101. Heating water tank; 102. Heating circulation pump; 103. Heating circulation pipe; 104. Heating auxiliary water wheel; 2. Moving wheel; 3. Moving pusher; 4. Medical host; 5. Medical fixing plate; 6. Medical membrane lung machine body; 7. Medical pump head; 8. Blood heating component; 9. Insulation protection motor; 901. Protection fixing plate; 902. Protection connection buckle; 903. Anti-bending support wheel; 904. First insulation gear; 905. Second insulation gear; 906. Insulation protection component; 907. Protection drive worm; 908. Protection drive worm wheel; 909. Protection drive shaft; 910. Protection gear lever; 911. Protection transmission rod. DETAILED DESCRIPTION

[0028] Example 1: Please refer to Figures 1 to 4 As shown: The present invention provides an ECMO blood warming device, comprising a medical frame 1, a moving wheel 2, a moving pusher 3, a medical host 4, a medical fixing plate 5, a medical membrane lung machine body 6, a medical pump head 7, a blood warming component 8, a heat preservation and protection motor 9 and a blood warming mechanism; There are four groups of moving wheels 2, all of which are universal wheel structures with brakes. The four groups of moving wheels 2 are respectively fixedly connected to the lower end of the medical frame 1; The movable push handle 3 is fixedly connected to the upper rear end of the medical frame 1; The medical host 4 is fixedly connected to the inner upper end of the medical frame 1; The medical fixing plate 5 is fixedly connected to the front end of the medical frame 1; The medical membrane lung machine body 6 is fixedly connected to the upper front end of the medical fixing plate 5; The medical pump head 7 is fixedly connected to the lower side of the front end of the medical fixing plate 5, and a connecting tube is provided between the medical pump head 7 and the medical membrane lung machine body 6; The blood warming component 8 is fixedly connected to the upper left end of the front of the medical fixing plate 5, and the blood warming component 8 is arranged on the outside of the connecting tube; The heat preservation and protection motor 9 is fixedly connected to the rear of the medical fixing plate 5; The blood warming mechanism is arranged at the upper end of the medical frame 1 .

[0029] The blood heating mechanism includes: a heating water tank 101, a heating circulation pump 102, a heating circulation pipe 103 and a heating auxiliary water wheel 104; The heating water tank 101 is fixedly connected to the upper end of the medical frame 1, and an electric heating wire structure is arranged inside the heating water tank 101, and the interior of the heating water tank 101 is filled with a heat transfer medium; The heating circulation pump 102 is fixedly connected to the upper end of the medical frame 1, the water inlet pipe of the heating circulation pump 102 is connected to the interior of the heating water tank 101, and the water outlet pipe of the heating circulation pump 102 is connected to the interior of the blood heating component 8; The heating circulation pipe 103 is fixedly connected to the front end of the heating water tank 101, and the front end of the heating circulation pipe 103 is communicated with the inside of the blood heating component 8; There are two groups of heating auxiliary water wheels 104, and the two groups of heating auxiliary water wheels 104 are rotatably connected to the inside of the blood heating component 8 respectively.

[0030] During use, when it is necessary to heat the returning blood, the heating circulation pump 102 is turned on, and the heating circulation pump 102 sucks the warm water inside the heating water tank 101 into the blood heating component 8. At this time, the blood heating component 8 contacts the connecting pipe to heat the blood, and at the same time, the warm water impacts the heating auxiliary water wheel 104, and the heating auxiliary water wheel 104 is impacted and rotated. The rotation of the heating auxiliary water wheel 104 drives the water inside the blood heating component 8 to fit the inner wall of the blood heating component 8, thereby improving the efficiency of heat exchange, ensuring the heating effect on the blood, reducing the occurrence of complications in patients, achieving protection for patients, and ensuring the use effect of the entire ECMO machine. Finally, the water that has undergone heat exchange flows back to the heating water tank 101 through the heating circulation pipe 103 to achieve circulation. Example

[0031] The present invention provides an ECMO blood warming device, based on the first embodiment, as Figures 1 to 8 As shown, it also includes a heat preservation and protection mechanism, which is arranged at the front end of the medical fixing plate 5. The heat preservation protection mechanism includes: a protection fixing plate 901, a protection connection buckle 902, an anti-bending support wheel 903, a first heat preservation gear 904, a second heat preservation gear 905, a heat preservation protection member 906, a protection drive worm 907, a protection drive worm wheel 908, a protection drive shaft 909, a protection gear rod 910 and a protection transmission rod 911; The protective fixing plate 901 is fixedly connected to the front right side of the medical fixing plate 5, and an arc-shaped sliding groove structure is provided on the inner side of the protective fixing plate 901; There are multiple groups of protective connection buckles 902, and the multiple groups of protective connection buckles 902 are respectively fixedly connected to the front of the protective fixing plate 901, and the connecting tubes of the medical pump head 7 are clamped on the inner side of the protective connection buckles 902; The anti-bending support wheel 903 is rotatably connected to the front lower side of the medical fixing plate 5, and the connecting tube of the medical pump head 7 is wound around the outer periphery of the anti-bending support wheel 903; The first heat preservation gear 904 is coaxially fixedly connected to the front end of the rotating shaft of the heat preservation protection motor 9; The second heat preservation gear 905 is rotatably connected to the front end of the medical fixing plate 5, and the second heat preservation gear 905 is meshed with the first heat preservation gear 904; The heat preservation protection member 906 is a tile-shaped heat preservation cotton structure, and the heat preservation protection member 906 is fixedly connected to the lower centrifugal position of the second heat preservation gear 905, and the heat preservation protection member 906 is slidably connected to the inside of the arc-shaped slide groove of the protection fixing plate 901; The protection drive worm 907 is rotatably connected to the inner side of the medical fixing plate 5, and the protection drive worm 907 is connected to the rotating shaft of the thermal insulation protection motor 9 through a synchronous belt transmission; The protection drive worm wheel 908 is rotatably connected to the inner side of the medical fixing plate 5, and the protection drive worm wheel 908 is meshed with the protection drive worm 907; The protection drive shaft 909 is rotatably connected to the inner side of the medical fixing plate 5, and the protection drive shaft 909 is coaxially fixedly connected to the protection drive worm gear 908; There are multiple groups of protection levers 910, which are rotatably connected to the left and right ends of the inner side of the medical fixing plate 5, respectively, and the top two groups of protection levers 910 are coaxially fixedly connected to the protection drive shaft 909; There are multiple groups of protection transmission rods 911 , and upper and lower ends of the multiple groups of protection transmission rods 911 are hinged to the protection gear rod 910 .

[0032] During use, when it is necessary to treat the patient, the connecting tube of the medical pump head 7 is clamped on the inner side of the protective connecting buckle 902, and the protective connecting buckle 902 fixes the connecting tube to prevent the connecting tube from falling off, thereby ensuring the use effect of the entire ECMO machine. At the same time, the anti-bending support wheel 903 supports the connecting tube to prevent the connecting tube from bending. Finally, the thermal insulation protection motor 9 is turned on, and the rotation of the rotating shaft of the thermal insulation protection motor 9 drives the first thermal insulation gear 904 to rotate, and the rotation of the first thermal insulation gear 904 drives the second thermal insulation gear 905 to rotate, and the rotation of the second thermal insulation gear 905 drives the thermal insulation protection member 906 to rotate, and the rotation of the thermal insulation protection member 906 protects the connecting tube, and the thermal insulation protection member 906 protects the connecting tube. The heat preservation effect of the blood inside the tube avoids the rapid loss of heat in the blood when transporting blood, reduces the loss of heat in the blood, reduces the energy consumption of subsequent blood heating, and thus reduces the energy consumption of the entire ECMO machine. The rotation of the shaft of the thermal insulation protection motor 9 also drives the protection drive worm 907 to rotate, and the rotation of the protection drive worm 907 drives the protection drive worm wheel 908 to rotate, and the rotation of the protection drive worm wheel 908 drives the protection drive shaft 909 to rotate. The rotation of the protection drive shaft 909 drives the top two groups of protection levers 910 to swing. The swing of the top two groups of protection levers 910 drives the remaining protection levers 910 to swing under the action of the protection transmission rod 911. At this time, the protection levers 910 are swung out to protect the working area of ​​the ECMO machine.

[0033] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0034] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0035] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An ECMO blood warming device, comprising a medical frame (1), a moving wheel (2), a moving pusher (3), a medical host (4), a medical fixing plate (5), a medical membrane lung machine body (6), a medical pump head (7), a blood warming component (8), a heat preservation and protection motor (9), a blood warming mechanism and a heat preservation and protection mechanism; characterized in that: The moving wheels (2) are provided in four groups in total, and the four groups of moving wheels (2) are all universal wheel structures with brakes. The four groups of moving wheels (2) are respectively fixedly connected to the lower end of the medical frame (1); the moving push handle (3) is fixedly connected to the upper rear end of the medical frame (1); the medical host (4) is fixedly connected to the inner upper end of the medical frame (1); the medical fixing plate (5) is fixedly connected to the front end of the medical frame (1); the medical membrane lung machine body (6) is fixedly connected to the upper side of the front end of the medical fixing plate (5); The medical pump head (7) is fixedly connected to the lower front end of the medical fixing plate (5), and a connecting tube is provided between the medical pump head (7) and the medical membrane lung machine body (6); the blood heating component (8) is fixedly connected to the upper left end of the front of the medical fixing plate (5), and the blood heating component (8) is arranged on the outside of the connecting tube; the heat preservation and protection motor (9) is fixedly connected to the rear of the medical fixing plate (5); the blood heating mechanism is arranged at the upper end of the medical frame (1); and the heat preservation and protection mechanism is arranged at the front end of the medical fixing plate (5).

2. An ECMO blood warming device as claimed in claim 1, characterized in that: The blood heating mechanism comprises: a heating water tank (101); the heating water tank (101) is fixedly connected to the upper end of the medical frame (1); an electric heating wire structure is arranged inside the heating water tank (101); and a heat transfer medium is filled inside the heating water tank (101).

3. An ECMO blood warming device as claimed in claim 2, characterized in that: The blood heating mechanism further comprises: a heating circulation pump (102) and a heating circulation pipe (103); the heating circulation pump (102) is fixedly connected to the upper end of the medical frame (1), the water inlet pipe of the heating circulation pump (102) is connected to the interior of the heating water tank (101), and the water outlet pipe of the heating circulation pump (102) is connected to the interior of the blood heating component (8); the heating circulation pipe (103) is fixedly connected to the front end of the heating water tank (101), and the front end of the heating circulation pipe (103) is connected to the interior of the blood heating component (8).

4. An ECMO blood warming device as claimed in claim 3, characterized in that: The blood heating mechanism further comprises: a heating auxiliary water wheel (104); two groups of the heating auxiliary water wheels (104) are provided, and the two groups of heating auxiliary water wheels (104) are respectively rotatably connected to the inside of the blood heating component (8).

5. An ECMO blood warming device as claimed in claim 1, characterized in that: The heat preservation protection mechanism comprises: a protection fixing plate (901) and a protection connection buckle (902); the protection fixing plate (901) is fixedly connected to the front right side of the medical fixing plate (5), and an arc-shaped slide groove structure is provided on the inner side of the protection fixing plate (901); a plurality of groups of the protection connection buckles (902) are provided, and the plurality of groups of protection connection buckles (902) are respectively fixedly connected to the front of the protection fixing plate (901), and the connection pipe of the medical pump head (7) is clamped on the inner side of the protection connection buckle (902).

6. An ECMO blood warming device as claimed in claim 5, characterized in that: The heat preservation and protection mechanism further comprises: an anti-bending support wheel (903); the anti-bending support wheel (903) is rotatably connected to the front lower side of the medical fixing plate (5), and the connecting pipe of the medical pump head (7) is wound around the outer periphery of the anti-bending support wheel (903).

7. An ECMO blood warming device as claimed in claim 6, characterized in that: The thermal insulation protection mechanism also includes: a first thermal insulation gear (904), a second thermal insulation gear (905) and a thermal insulation protection member (906); the first thermal insulation gear (904) is coaxially fixedly connected to the front end of the rotating shaft of the thermal insulation protection motor (9); the second thermal insulation gear (905) is rotatably connected to the upper front end of the medical fixing plate (5), and the second thermal insulation gear (905) is meshed with the first thermal insulation gear (904); the thermal insulation protection member (906) is a tile-shaped thermal insulation cotton structure, the thermal insulation protection member (906) is fixedly connected to the lower centrifugal position of the second thermal insulation gear (905), and the thermal insulation protection member (906) is slidably connected to the inside of the arc-shaped slide groove of the protection fixing plate (901).

8. An ECMO blood warming device as claimed in claim 7, characterized in that: The thermal insulation protection mechanism further comprises: a protection drive worm (907), a protection drive worm wheel (908), a protection drive shaft (909), a protection shift rod (910) and a protection transmission rod (911); the protection drive worm (907) is rotatably connected to the inner side of the medical fixing plate (5), and the protection drive worm (907) is connected to the rotating shaft of the thermal insulation protection motor (9) via a synchronous belt drive; the protection drive worm wheel (908) is rotatably connected to the inner side of the medical fixing plate (5), and the protection drive worm wheel (908) is meshed with the protection drive worm (907); The protection drive shaft (909) is rotatably connected to the inner side of the medical fixing plate (5), and the protection drive shaft (909) is coaxially fixedly connected to the protection drive worm gear (908); the protection levers (910) are provided in multiple groups, and the multiple groups of protection levers (910) are respectively rotatably connected to the left and right ends of the inner side of the medical fixing plate (5), wherein the top two groups of protection levers (910) are both coaxially fixedly connected to the protection drive shaft (909); the protection transmission rods (911) are provided in multiple groups, and the upper and lower ends of the multiple groups of protection transmission rods (911) are both hinged to the protection levers (910).

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