Amputation limb perfusion transport device

Abstract

This utility model belongs to the field of living organism preservation technology, and in particular relates to a limb perfusion and transport device. The limb perfusion and transport device includes an insulated outer shell, a limb box, a solution container, and a perfusion system. The insulated outer shell contains a cold zone chamber and a waste liquid chamber for containing a waste liquid bag; the limb box contains a limb chamber for containing the severed limb, and is at least partially located within the cold zone chamber; the solution container contains a solution chamber for containing the perfusion fluid, located within the cold zone chamber, and is spaced apart from the limb box in the X direction. A filling port for adding a cold-storing substance to the cold zone chamber is located between the solution container and the limb box; the perfusion system is located within the insulated outer shell and connects the solution container, the limb box, and the waste liquid bag, so that the perfusion fluid in the solution chamber is infused into the severed limb in the limb chamber and then into the waste liquid bag. In this device, the perfusion fluid in the solution container is only infused once, ensuring the viability of the severed limb, and the miniaturized design facilitates transport.

Description

Technical Field

[0001] This utility model belongs to the field of living body preservation technology, and in particular relates to a limb perfusion and transport device. Background Technology

[0002] Limb amputation injuries are frequent occurrences in various work-related accidents, traffic accidents, and disasters, resulting in a high rate of disability. Effective protection of the amputated limb is crucial for improving the success rate of limb replantation and reducing disability. After limb amputation, ischemia and hypoxia disrupt normal metabolic processes, leading to a series of pathophysiological changes, such as the accumulation of metabolic and toxic substances, cytoplasmic vacuolation, mitochondrial edema, decreased function, and reduced lysosomal stability, resulting in cell degeneration and tissue necrosis. Restoration of blood supply triggers a series of pathophysiological changes, collectively termed ischemia-reperfusion injury. This not only affects the replanted limb but can also impact distant organs such as the heart, lungs, and kidneys. Relevant experimental and clinical data indicate that ischemic time exceeding 4–6 hours affects replantation success rates and postoperative limb functional recovery.

[0003] To reduce reperfusion injury caused by acute thermal ischemia in excised limbs, thereby improving surgical success rates and utilization rates of excised limbs resulting from accidents, existing studies have shown that mechanical perfusion, by intervening in the initial perfusion period after ischemia, can significantly reduce ischemia-reperfusion injury in excised limbs and has significant clinical efficacy.

[0004] However, most cryogenic mechanical perfusion systems for amputated limbs are currently built in-house and use a circulating perfusion solution. When the perfusion time is too long, it is easy to cause insufficient loss of nutrients in the perfusion solution, making it difficult to meet the needs of the amputated limb tissue. Utility Model Content

[0005] This invention provides a limb perfusion and transport device to solve the technical problem in the prior art where the nutrient loss of the perfusion fluid due to the recycling of the perfusion fluid makes it difficult to meet the needs of the severed limb tissue.

[0006] This invention provides a limb perfusion and transport device, comprising an insulated outer shell, a limb box, a solution box, and an perfusion system. The insulated outer shell contains a cold zone chamber and a waste liquid chamber for containing a waste liquid bag; the limb box contains a limb chamber for containing the severed limb, at least partially located within the cold zone chamber; the solution box contains a solution chamber for containing perfusion fluid, located within the cold zone chamber, and is spaced apart from the limb box in the X direction. A filling port for adding a cooling substance to the cold zone chamber is located between the solution box and the limb box; the perfusion system is located within the insulated outer shell and connects the solution box, the limb box, and the waste liquid bag, to infuse the perfusion fluid from the solution chamber into the severed limb inside the limb chamber, and then into the waste liquid bag.

[0007] In an optional embodiment of this invention, the infusion system includes an inlet pipeline module and a waste liquid pipeline module; the inlet pipeline module connects the solution box to the amputated limb in the limb box to pump the infusion fluid in the solution box into the amputated limb; the waste liquid pipeline module connects the waste liquid bag to the amputated limb in the limb box to draw the waste liquid in the amputated limb into the waste liquid bag.

[0008] In an optional embodiment of this utility model, the liquid inlet pipeline module includes a liquid inlet pump, a buffer box, a pressure sensor, and a flow sensor connected in sequence, wherein the liquid inlet pump is located between the solution box and the buffer box in the direction of liquid flow.

[0009] In an optional embodiment of this utility model, the waste liquid pipeline module includes a waste liquid pump, which is located between the limb box and the waste liquid bag in the direction of the filling liquid flow.

[0010] In an optional embodiment of this invention, the liquid inlet pipeline module and the waste liquid pipeline module are located on the top side of the insulation shell and on both sides of the solution box in the Y direction.

[0011] In an optional embodiment of this invention, the bottom wall of the limb box is configured to be inclined along the Y direction.

[0012] In an optional embodiment of this utility model, the heat insulation shell is provided with a waste liquid chamber door, which is located on one side wall of the heat insulation shell in the Y direction to open and close the waste liquid chamber.

[0013] In an optional embodiment of this utility model, the inner peripheral wall of the waste liquid chamber is provided with hooks for hanging the waste liquid bag.

[0014] In an optional embodiment of this utility model, the limb perfusion and transfer device further includes a control board module, which is connected to the perfusion system for controlling the operation of the perfusion system; a control chamber is also formed inside the heat-insulating shell, and the control chamber and the waste liquid chamber are located on the Y-direction sides of the solution box, with the control board module located inside the control chamber.

[0015] In an optional embodiment of this invention, the limb perfusion and transfer device further includes an outer cover, which is pivotally connected to the heat-insulating shell and can cover the top side of the heat-insulating shell.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The limb perfusion and transport device provided by this utility model includes an insulated outer shell, a limb box, a solution box, an perfusion system, and a waste liquid bag. The insulated outer shell has a multi-chamber box structure, forming a cold zone chamber for containing cold storage materials to provide a low-temperature environment, and a waste liquid chamber for containing the waste liquid bag.

[0018] The limb box and solution box are located in the cold zone room to ensure that the perfusion fluid and the severed limb are in a low-temperature environment. The limb box and solution box are arranged at intervals in the X direction, and the filling port for adding cold storage material is located between them.

[0019] Furthermore, the infusion system on the heat-insulating shell can infuse the infusion fluid in the solution box into the amputated limb in the limb chamber. The infusion fluid in the amputated limb becomes waste fluid and enters the waste fluid bag under the action of the infusion system.

[0020] In this way, the perfusion fluid in the solution box is perfused in a non-circulating manner, which can greatly reduce the risk of insufficient nutrients in the perfusion fluid, thus failing to meet the needs of the amputated limb tissue and ensuring the viability of the amputated limb.

[0021] Furthermore, a low-temperature environment solution is provided by replacing the cold zone medium circuit with a cold storage substance, and a miniaturized design is achieved by rationally arranging the positions of each chamber and component in the insulation shell, which facilitates transportation.

[0022] Furthermore, a partitioned design is adopted to reduce the impact of some heat dissipation components on the limb box and solution box. Attached Figure Description

[0023] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of a limb perfusion and transport device provided according to one embodiment of this application;

[0025] Figure 2 for Figure 1 Exploded view of the limb perfusion and transport device in the middle;

[0026] Figure 3 for Figure 1 Structural block diagram of the amputation perfusion and transport device in the middle;

[0027] Figure 4 for Figure 1 Sectional view at point AA;

[0028] Figure 5 for Figure 2 Cross-sectional view of the BB section of the middle limb box;

[0029] Figure 6 This is a schematic diagram of a limb perfusion and transport device provided according to another embodiment of this application.

[0030] Figure Labels

[0031] 100. Limb perfusion and transport device;

[0032] 10. Insulated outer shell; 11. Outer cover; 12. Waste liquid chamber door; 13. Hook; 14. Handle; R1. Cold compartment; R2. Waste liquid chamber; R5. Control compartment; D1. Filling port;

[0033] 20. Limb box; 21. Frame; 22. Handle; 23. Limb lid; R3. Limb compartment;

[0034] 30. Solution box; 31. Liquid level sensor; 32. Temperature sensor; R4. Solution chamber;

[0035] 40. Infusion system; 41. Inlet pipeline module; 411. Inlet pump; 412. Buffer box; 413. Pressure sensor; 414. Flow sensor; 42. Waste liquid pipeline module; 421. Waste liquid pump;

[0036] 50. Control board module; 60. Waste liquid bag; 70. Battery; 80. Display screen. Detailed Implementation

[0037] To make the above and other features and advantages of this utility model clearer, the utility model will be further described below with reference to the accompanying drawings. It should be understood that the specific embodiments given herein are for the purpose of explanation to those skilled in the art, and are exemplary only, not restrictive.

[0038] It should be noted that the “X” direction, “Y” direction and “Z” direction mentioned in the description of this application are determined based on the rectangular coordinate system constructed by the limb perfusion and transfer device 100.

[0039] Figure 1 This is a schematic diagram of a limb perfusion and transport device 100 provided according to one embodiment of this application. Figure 2 for Figure 1 Exploded view of the limb perfusion and transfer device 100 in the middle. Figure 3 for Figure 1 Structural block diagram of the limb perfusion and transfer device 100 in the middle.

[0040] Please see Figures 1 to 3 The limb perfusion and transport device 100 includes an insulated outer shell 10, a limb box 20, a solution box 30, a perfusion system 40, and a waste liquid bag 60.

[0041] The thermal insulation shell 10 has a cold zone chamber R1 and a waste liquid chamber R2 for containing the waste liquid bag 60; the limb box 20 has a limb chamber R3 for containing the severed limb and is at least partially disposed in the cold zone chamber R1.

[0042] The solution box 30 has a solution chamber R4 for containing the filling liquid and is located in the cold zone chamber R1. It is arranged at an X-axis interval with the limb box 20. A filling port D1 for adding cold storage material to the cold zone chamber R1 is formed between the solution box 30 and the limb box 20.

[0043] The infusion system 40 is installed on the heat-insulating shell 10 and connected to the solution box 30, the limb box 20 and the waste liquid bag 60, so that the infusion fluid in the solution chamber R4 is infused into the severed limb in the limb chamber R3 and then enters the waste liquid bag 60.

[0044] In this embodiment, the heat-insulating outer shell 10 is a multi-chamber box structure, which has at least a cold zone chamber R1 and a waste liquid chamber R2 inside. The cold zone chamber R1 is used to contain cold storage material to provide a low-temperature environment, and the waste liquid chamber R2 is used to contain the waste liquid bag 60.

[0045] The cold compartment R1 can accommodate the limb box 20 and the solution box 30. The limb box 20 has a limb chamber R3 to accommodate the severed limb, and the solution box 30 has a solution chamber R4 to accommodate the perfusion fluid. The limb box 20 and the solution box 30 are arranged at a distance in the X direction, thus forming a filling port D1 between them that communicates with the cold compartment R1. This filling port D1 is used to add cold storage material to the cold compartment R1.

[0046] It should be understood that, since the solution box 30 and the limb box 20 are surrounded by the cold storage material in the cold zone R1, the perfusion fluid in the solution chamber R4 and the amputated limb in the limb chamber R3 are able to maintain a low temperature.

[0047] Furthermore, the infusion system 40 on the heat-insulating shell 10 can infuse the infusion fluid in the solution box 30 into the amputated limb in the limb chamber R3. The infusion fluid of the amputated limb becomes waste fluid and enters the waste fluid bag 60 under the action of the infusion system 40.

[0048] It is evident that the perfusion fluid in solution box 30 was only perfused once, which greatly reduces the risk of insufficient nutrients in the perfusion fluid leading to insufficient limb tissue to meet the needs of the severed limb tissue and ensures the viability of the severed limb.

[0049] It should be noted that existing devices use a cooling medium circuit to achieve cryogenic control, which requires increasing the components of the cooling medium circuit, resulting in larger equipment size and hindering miniaturized transport. This application, however, uses the addition of a cold storage substance to maintain the cryogenic environment, avoiding the need for additional components in the cooling medium circuit, facilitating miniaturized layout and easy transport.

[0050] In practical applications, the shell wall surrounding the cold compartment R1 in the insulation outer shell 10 has a sandwich structure with an internal insulation material layer to maintain the low-temperature environment of the cold compartment R1. The solution box 30 is equipped with a liquid level sensor 31 and a temperature sensor 32 to obtain the liquid level and temperature information of the filling fluid. Based on the liquid level information, it is determined whether to add filling fluid, and based on the temperature information, it is determined whether to add cold storage material. Furthermore, the filling fluid can be added to the solution compartment R4 at any time through the external connecting pipe on the solution box 30.

[0051] In addition, the waste fluid bag 60 is a disposable consumable, and the energy storage material is an ice-water mixture. The filling port D1 is equipped with a cover to prevent the energy storage material from leaking out of the cold compartment R1. The perfusion fluid can be a commonly used solution for cryogenic mechanical perfusion systems to maintain the tissue and cell stability and function of the amputated limb under cryogenic conditions.

[0052] Furthermore, the infusion system 40 includes an inlet pipeline module 41 and a waste pipeline module 42. The inlet pipeline module 41 connects the solution container 30 to the amputated limb inside the limb box 20 to pump the infusion fluid from the solution container 30 into the amputated limb. The waste pipeline module 42 connects the waste bag 60 to the amputated limb inside the limb box 20 to draw the waste fluid from the amputated limb into the waste bag 60.

[0053] In this embodiment, the infusion system 40 mainly consists of an inlet pipeline module 41 and a waste liquid pipeline module 42. The inlet pipeline module 41 can extract the infusion fluid from the solution box 30 and inject it into the amputated limb in the limb box 20. The waste liquid pipeline module 42 can extract the waste liquid in the amputated limb and inject it into the waste liquid bag 60 in the waste liquid chamber R2.

[0054] The inlet pipeline module 41 and the waste liquid pipeline module 42 work together to allow the filling liquid in the solution box 30 to flow through the severed limb and into the waste liquid bag 60.

[0055] In a further optional embodiment, the inlet pipeline module 41 includes an inlet pump 411, a buffer box 412, a pressure sensor 413, and a flow sensor 414 connected in sequence, wherein the inlet pump 411 is located between the solution box 30 and the buffer box 412 in the direction of infusion fluid flow.

[0056] In this embodiment, the inlet pump 411, buffer box 412, pressure sensor 413 and flow sensor 414 are connected in sequence through pipelines. The inlet pump 411 provides infusion power to draw the infusion fluid in the solution box 30 and pump it into the amputated limb. The buffer box 412 can buffer a certain amount of infusion fluid, thereby ensuring that the inlet pump 411 continuously pumps the infusion fluid into the amputated limb when in operation.

[0057] Understandably, pressure sensor 413 is used to monitor the pressure of the injection fluid in the pipeline, and flow sensor 414 is used to monitor the flow rate in the pipeline. That is, the pressure and flow information in the inlet pipeline are obtained by combining pressure sensor 413 and flow sensor 414.

[0058] Furthermore, the waste liquid pipeline module 42 includes a waste liquid pump 421, which is located between the limb box 20 and the waste liquid bag 60 in the direction of the injection liquid flow.

[0059] In this embodiment, the waste liquid pump 421 is connected to the severed limb in the limb box 20 and the waste liquid bag 60 through a pipeline, forming the waste liquid pipeline module 42. The waste liquid pump 421 provides pumping power to extract the waste liquid in the severed limb and inject it into the waste liquid bag 60.

[0060] As can be seen, in this embodiment, the perfusion system 40 uses a combination of an inlet pump 411 and a waste pump 421 to provide power. In a specific application, one end of the inlet pipeline between the flow sensor 414 and the amputated limb is connected to the artery of the amputated limb, and one end of the waste pipeline between the waste pump 421 and the amputated limb is connected to the vein of the amputated limb. In other words, the perfusion fluid enters from the artery of the amputated limb, and the resulting waste fluid flows out from the vein.

[0061] In practical applications, both the inlet pump 411 and the waste pump 421 are preferably peristaltic pumps. Those skilled in the art should understand that the peristaltic pump generates power by squeezing a flexible conduit, meaning the injection fluid will not come into contact with the peristaltic pump, thus preventing contamination of the injection fluid by internal pump components. It should be noted that after each transfer, all components in the injection system 40 except the pump must be replaced to avoid cross-contamination.

[0062] Figure 4 for Figure 1 Sectional view at point AA. See also Figure 4 In an optional embodiment, the limb perfusion and transport device 100 further includes a control board module 50, which is connected to the perfusion system 40 for controlling the operation of the perfusion system 40.

[0063] A control chamber R5 is also formed inside the heat-insulating outer shell 10. The control chamber R5 and the waste liquid chamber R2 are located on the Y-direction sides of the solution box 30, and the control board module 50 is located inside the control chamber R5.

[0064] In this embodiment, the control chamber R5 and the waste liquid chamber R2 are located on both sides of the solution box 30 in the Y direction. The solution box 30 is located in the cold zone chamber R1, and a filling port D1 is formed between the solution box 30 and the limb box 20. This achieves a reasonable allocation of the internal space of the heat insulation shell 10, which is conducive to miniaturization.

[0065] Please combine Figure 2In the embodiment shown, the heat insulation shell 10 is a rectangular box, the cross-sectional shape of the cold zone R1 is T-shaped, the solution box 30 is located in the narrow part of the cold zone R1, and the waste liquid chamber R2 and the control chamber R5 are formed on the Y-direction sides of the narrow part of the cold zone R1, so as to fully divide the internal space of the heat insulation shell 10 according to the requirements.

[0066] The control room R5 contains a control board module 50, which integrates wiring harnesses that need to be led out from the control board module 50, minimizing the exposure of the wiring harnesses.

[0067] In practical applications, the control board module 50 is connected to the inlet pump 411, pressure sensor 413, flow sensor 414, and waste pump 421 in the infusion system 40. It can then control the inlet pump 411 and waste pump 421 to operate based on the pressure and flow information obtained from the pressure sensor 413 and flow sensor 414. The control board module 50 is a circuit board with an integrated processor, which can be a microprocessor or similar device.

[0068] In one optional embodiment, the control board module 50 is also connected to the liquid level sensor 31 and the temperature sensor 32 on the solution container 30 to obtain the temperature and liquid level information of the filling liquid in the solution container 30.

[0069] In some alternative embodiments, the liquid inlet pipeline module 41 and the waste liquid pipeline module 42 are located on the top side of the insulation shell 10 and on both sides of the solution box 30 in the Y direction.

[0070] In this embodiment, the liquid inlet pipeline module 41 and the waste liquid pipeline module 42 are both installed on the top side of the heat insulation shell 10 and distributed on both sides of the solution box 30 in the Y direction. The liquid inlet pipeline module 41 and the waste liquid pipeline module 42 are located outside the cold zone chamber R1.

[0071] exist Figure 2 In the illustrated embodiment, the liquid inlet pipeline module 41 is located above the control chamber R5, which facilitates the connection between the control board module 50 and the components in the liquid inlet pipeline module 41. The waste liquid pipeline module 42 is located above the waste liquid chamber R2, which facilitates its cooperation with the waste liquid bag 60.

[0072] In one embodiment, the limb perfusion and transfer device 100 further includes a display screen 80 connected to the control board module 50. The display screen 80 is located above the waste liquid chamber R2, that is, on the same side as the waste liquid pipeline module 42. The display screen 80 can be a touch screen, which can both input and display parameter information.

[0073] The temperature, liquid level, pressure, and flow rate information acquired by the control board module 50 can be displayed on the display screen 80. Preset pressure, flow rate, and other information, as well as some control commands, can also be input via the display screen 80.

[0074] For example, when the control board module 50 detects that the temperature or liquid level is below a set value, it can display a warning message on the display screen 80. Alternatively, after inputting pressure and flow rate information, the device can be started by clicking the virtual start button on the display screen 80.

[0075] Please see Figure 4 The limb perfusion and transport device 100 also includes a battery 70, which is located below the solution container 30 and connected to the perfusion system 40, control board module 50, and display screen 80 to provide power to the corresponding electrical components. It should be understood that since the limb perfusion and transport device 100 needs to achieve the purpose of transporting the limb, the device needs to have an energy storage unit in order to be used without a power supply cable.

[0076] As can be seen from the above, the device adopts a partitioned design. The limb box 20 and the solution box 30 are located in a cold zone environment provided by the cold storage material, while heat dissipation components such as the pump, control board module 50, battery 70, and display screen 80 are integrated in a non-cold zone location (hot zone environment), reducing the impact of the heat generated by these components during operation on the limb box 20 and the solution box 30.

[0077] Figure 5 for Figure 2 Cross-sectional view at BB of the middle limb box 20. See also Figure 5 In some alternative embodiments, the bottom wall of the limb box 20 is configured to be inclined along the Y direction.

[0078] In this embodiment, the bottom wall of the limb box 20 has one end in the Y direction that is higher than the other end in the Z direction, so that the severed limb can be placed at an angle. In other words, this reduces the space occupied by the limb box 20 in the X and Y directions, while increasing the space occupied in the Z direction. This design reduces the space occupied and improves the space utilization rate while ensuring that the storage space of the limb box 20 is sufficient.

[0079] Furthermore, the limb box 20 is provided with a support 21, which is located in the limb chamber R3 and placed on the bottom wall of the limb box 20. The support 21 is used to support the severed limb.

[0080] Furthermore, the limb box 20 is provided with handles 22, which are located at both ends of the Y direction on the top side of the limb box 20. The handles 22 on both sides facilitate the removal of the limb box 20 from the cold compartment R1 or its placement in the cold compartment R1.

[0081] Furthermore, the limb box 20 includes a lid 23, which is located on the top side of the limb box 20 to open and close the limb chamber R3.

[0082] In some alternative embodiments, the thermal insulation shell 10 is provided with a waste liquid chamber door 12, which is located on one side wall of the thermal insulation shell 10 in the Y direction to open and close the waste liquid chamber R2.

[0083] In this embodiment, the waste liquid chamber door 12 can open or close the waste liquid chamber R2, allowing the waste liquid bag 60 to be placed or removed into the waste liquid chamber R2 through the opening at the waste liquid chamber door 12. The waste liquid chamber door 12 is pivotally connected to the insulation shell 10, meaning it opens and closes by rotation. The waste liquid chamber door 12 is configured to open outwards, avoiding interference with the waste liquid bag 60 inside the waste liquid chamber R2.

[0084] Furthermore, the inner circumferential wall of the waste liquid chamber R2 is provided with hooks 13, which are used to hold the waste liquid bag 60. These hooks 13 can hold the waste liquid bag 60, preventing significant changes in the position of the waste liquid bag 60 due to vibration or other factors during transportation, and reducing the risk of the pipeline becoming detached from the waste liquid bag 60.

[0085] Figure 6 This is a schematic diagram of a limb perfusion and transport device 100 provided according to another embodiment of this application. The limb perfusion and transport device 100 also includes an outer cover 11, which is pivotally connected to the thermal insulation shell 10 and can cover the top side of the thermal insulation shell 10.

[0086] In this embodiment, the outer cover 11 is pivotally connected to the thermal insulation shell 10 and can protect the components located on the top side of the thermal insulation shell 10. Specifically, when the outer cover 11 is pivoted to the closed position, it forms a space with the top side wall of the thermal insulation shell 10 to accommodate the filling system 40, the filling port D1, the top side of the limb box 20, the top side of the solution box 30, and the display screen 80, thereby protecting these components. Furthermore, the X-direction side wall of the thermal insulation shell 10 is provided with a handle 14 to facilitate handling by personnel.

[0087] In summary, the limb perfusion and transport device 100 provided by this utility model can maintain a low-temperature environment, and the perfusion fluid adopts a non-circulating perfusion method to ensure the survival and functional recovery of the severed limb. Furthermore, the miniaturized design facilitates transport.

[0088] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A limb perfusion and transport device, characterized in that, include: The heat-insulating outer shell (10) has a cold zone chamber (R1) and a waste liquid chamber (R2) for containing the waste liquid bag (60). The limb box (20) has a limb compartment (R3) for receiving severed limbs and is at least partially located in the cold zone compartment (R1); A solution box (30) has a solution chamber (R4) for containing the filling fluid and is disposed within the cold zone chamber (R1), and is spaced apart from the limb box (20) in the X direction. A filling port (D1) for adding cold storage material to the cold zone chamber (R1) is located between the solution box (30) and the limb box (20); and The infusion system (40) is installed on the heat-insulating shell (10) and connected to the solution box (30), the limb box (20) and the waste liquid bag (60) to infuse the infusion fluid in the solution chamber (R4) into the severed limb in the limb chamber (R3) and then into the waste liquid bag (60).

2. The limb perfusion and transport device according to claim 1, characterized in that, The infusion system (40) includes an inlet pipeline module (41) and a waste liquid pipeline module (42). The inlet pipeline module (41) connects the solution box (30) to the amputated limb in the limb box (20) to pump the perfusion fluid in the solution box (30) into the amputated limb; The waste liquid pipeline module (42) connects the waste liquid bag (60) to the severed limb in the limb box (20) to draw the waste liquid in the severed limb into the waste liquid bag (60).

3. The limb perfusion and transport device according to claim 2, characterized in that, The inlet pipeline module (41) includes an inlet pump (411), a buffer box (412), a pressure sensor (413), and a flow sensor (414) connected in sequence. The inlet pump (411) is located between the solution box (30) and the buffer box (412) in the direction of infusion fluid flow.

4. The limb perfusion and transport device according to claim 2, characterized in that, The waste liquid pipeline module (42) includes a waste liquid pump (421), which is located between the limb box (20) and the waste liquid bag (60) in the direction of the infusion liquid flow.

5. The limb perfusion and transport device according to any one of claims 2 to 4, characterized in that, The liquid inlet pipeline module (41) and the waste liquid pipeline module (42) are located on the top side of the heat insulation shell (10) and on both sides of the solution box (30) in the Y direction.

6. The limb perfusion and transport device according to claim 1, characterized in that, The bottom wall of the limb box (20) is set to be inclined along the Y direction.

7. The limb perfusion and transport device according to claim 1, characterized in that, The heat insulation shell (10) is provided with a waste liquid chamber door (12), which is located on the Y-direction side wall of the heat insulation shell (10) to open and close the waste liquid chamber (R2).

8. The limb perfusion and transport device according to claim 7, characterized in that, The waste liquid chamber (R2) is provided with hooks (13) on its inner peripheral wall, which are used to hang the waste liquid bag (60).

9. The limb perfusion and transfer device according to claim 1, characterized in that, It also includes a control board module (50) connected to the infusion system (40) for controlling the operation of the infusion system (40); A control chamber (R5) is also formed inside the heat-insulating shell (10). The control chamber (R5) and the waste liquid chamber (R2) are located on the Y-direction sides of the solution box (30). The control board module (50) is located inside the control chamber (R5).

10. The limb perfusion and transport device according to claim 1, characterized in that, It also includes an outer cover (11) which is pivotally connected to the thermal insulation shell (10) and can cover the top side of the thermal insulation shell (10).

Images