ECMO system lifting device

Abstract

The embodiment of the invention provides an ECMO system lifting device which comprises a supporting device and a lifting device. The lifting device comprises a bracket and a lifting rod; the first guide device comprises a first adjusting mechanism and a first guide wheel set, the first guide wheel set comprises a first guide wheel and a second guide wheel, and the first adjusting mechanism can enable the first guide wheel and the second guide wheel to move relatively in the first direction so that the circumferential surfaces of the first guide wheel and the second guide wheel can abut against the vertical rods respectively; the second guide device comprises a second adjusting mechanism and a second guide wheel set, and the second guide wheel set comprises a third guide wheel and a fourth guide wheel, so that the circumferential surfaces of the third guide wheel and the fourth guide wheel abut against the vertical rods respectively; and the first direction, the second direction and the length direction of the vertical rod are mutually vertical pairwise. By means of the ECMO system lifting device, the problem that an ECMO system in the prior art is stable and convenient to lift can be solved.

Description

Technical Field

[0001] The embodiments of the present application belong to the field of medical devices, and in particular, relate to an ECMO system lifting device. Background Art

[0002] Extracorporeal membrane oxygenation (ECMO) is mainly used to provide continuous extracorporeal respiration and circulation to patients with severe cardiopulmonary failure to maintain their lives. The core parts of the ECMO system are the membrane lung (artificial lung) and the blood pump (artificial heart). During operation, the system needs to draw the patient's blood from the human body through a pipeline, and then use the blood pump to oxygenate the blood through the membrane lung and then transport it back to the human body. During clinical use, since the blood pump needs to suck out the blood from the human body, in order to ensure that enough blood is drained out of the patient, it is usually necessary to fix the blood pump at a position as low as possible from the patient's heart to ensure smooth drainage. However, this makes it inconvenient for medical staff to operate the blood pump and membrane lung during pre-filling. For this reason, a lifting device is required in the ECMO system to raise and lower the height of the membrane lung and the blood pump to improve the convenience of operation and use of the ECMO system during application.

[0003] When a normal patient lies on the bed, his heart is more than 0.5 meters above the bottom. In order to ensure sufficient negative pressure drainage, the lifting height should be at least 0.5 meters.

[0004] At the same time, patients who are using the ECMO system need medical staff to frequently perform some turning operations because they are bedridden for a long time. At this time, the blood pump and membrane lung connecting the patient need to have very long pipes. The increase in pipes will increase the blood circulation resistance and the pre-filling volume, which is very unfavorable for the treatment of patients. Therefore, the height of the membrane lung and blood pump also needs to be adjusted. When performing the turning operation, the height of the membrane lung and blood pump can be adjusted to a higher position, and then restored to a lower position to work after it is restored to normal. For this purpose, a very convenient and safe lifting device is required to ensure that medical staff can work reliably when operating the lifting device, and will not cause abnormal lifting of the lifting device due to some unexpected operations or single failures, thereby pulling the pipes to cause harm to the patient.

[0005] In addition, since the blood pump uses magnetic coupling to transmit torque, its fixing device is required to be stable during operation and cannot shake violently. Otherwise, the internal rotor of the blood pump may be easily impacted, causing damage or reducing its life. Therefore, the lifting device is required to operate smoothly without violent shaking. Summary of the invention

[0006] In order to solve or alleviate the problem of stable and convenient lifting of ECMO system in the prior art, the present invention provides an ECMO system lifting device, comprising:

[0007] A supporting device, the supporting device comprising a base and a vertical rod, the base is arranged at the bottom of the vertical rod, the vertical rod is hollow to form a cavity, and the surface of the vertical rod is provided with an opening arranged along the axial direction of the vertical rod, and the opening is connected to the cavity;

[0008] A lifting device, the lifting device comprising a bracket and a lifting rod, the lifting rod being arranged in the cavity, the bracket extending into the opening and being fixedly connected to the lifting rod, the bracket rising and falling along with the lifting and falling of the lifting rod;

[0009] a first guide device, disposed in the mold cavity and connected to the bracket, the first guide device comprising a first adjustment mechanism and a first guide wheel group, the first guide wheel group comprising a first guide wheel and a second guide wheel, the first adjustment mechanism enabling the first guide wheel and the second guide wheel to move relative to each other in a first direction so that the circumferences of the first guide wheel and the second guide wheel respectively abut against the vertical rod;

[0010] a second guide device, arranged in the mold cavity and connected to the bracket, the second guide device comprising a second adjustment mechanism and a second guide wheel group, the second guide wheel group comprising a third guide wheel and a fourth guide wheel, the second adjustment mechanism enabling the third guide wheel and the fourth guide wheel to move relative to each other in a second direction so that the circumferences of the third guide wheel and the fourth guide wheel respectively abut against the vertical rod;

[0011] The first direction, the second direction and the length direction of the vertical pole are perpendicular to each other.

[0012] As a preferred embodiment of the present application, the first adjustment mechanism and / or the second adjustment mechanism includes an elastic member, and the elastic member enables the first guide wheel and the second guide wheel to move relative to each other in a first direction and / or the third guide wheel and the fourth guide wheel to move relative to each other in a second direction.

[0013] As a preferred embodiment of the present application, the opening can be passed through along the first direction, the first adjustment mechanism includes a first adjustment frame and a first screw, the first guide wheel is arranged on the bracket and is always in contact with the vertical rod, the second guide wheel is arranged on the first adjustment frame, the first adjustment frame is slidably connected to the bracket through the first screw, and the distance between the first adjustment frame and the bracket in the first direction can be changed by rotating the first screw;

[0014] The second adjustment mechanism comprises a second adjustment frame, a second screw and a slider sleeved on the second screw, the second adjustment frame is slidably connected to the bracket, the second adjustment frame is provided with the third guide wheel, the bracket is provided with the fourth guide wheel which is always in contact with the vertical rod, the slider is provided with a first inclined surface, the adjustment frame is provided with a second inclined surface corresponding to the first inclined surface, and rotating the second screw can move the slider and push the second adjustment frame to move along the second direction;

[0015] At least one end of the first screw rod and the second screw rod is exposed at the opening.

[0016] As a preferred embodiment of the present application, a plurality of lifting rods are provided, and the plurality of lifting rods are stacked so that the total lifting stroke of the ECMO system lifting device is the sum of the respective strokes of the plurality of lifting rods.

[0017] As a preferred embodiment of the present application, the lifting device further includes a fixing frame, and the fixing frame is used to fix and connect two adjacent lifting rods.

[0018] As a preferred embodiment of the present application, it further includes a safety brake device, which is disposed in the mold cavity and fixedly connected to the bracket, and the safety brake device can abut against the vertical rod to prevent the lifting of the lifting rod.

[0019] As a preferred embodiment of the present application, it further comprises a control device, wherein the control device is capable of unlocking the safety brake device so as to separate the safety brake device from the upright pole.

[0020] As a preferred embodiment of the present application, the control device can also be linked to the lifting rod. When the control device controls the safety brake device to separate from the vertical pole, the lifting rod begins to extend.

[0021] As a preferred embodiment of the present application, the control device is fixedly mounted on the vertical pole, and the control device includes a gripping member, and when the gripping member is moved, the lifting rod and the safety brake device are simultaneously linked.

[0022] As a preferred embodiment of the present application, it further includes a bearing platform, which is arranged outside the vertical pole and fixedly connected to the bracket.

[0023] Compared with the prior art, the ECMO system lifting device in the present invention has a first guide device and a second guide device, and the lifting device, the first guide device and the second guide device are all arranged in the mold cavity of the vertical pole, and only the surface of the vertical pole is provided with an opening arranged along the axial direction of the vertical pole. Therefore, the ECMO system lifting device in the present invention is safe, and will not cause parts to fly and injure people due to failure of the lifting device, the first guide device and the second guide device. Because the first guide device, the second guide device and the vertical pole are arranged vertically in pairs in the length direction, the first guide device and the second guide device can ensure that the bracket remains stable when being pushed and lifted by the lifting rod. The lifting rod is automatically extended and lowered, avoiding excessive operation by medical staff. Therefore, the implementation of the ECMO system lifting device in the present invention can solve the problem of stable and convenient lifting of the ECMO system in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. Some specific embodiments of the present application will be described in detail in an illustrative and non-restrictive manner with reference to the drawings. The same reference numerals in the drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the drawings:

[0025] Support device-10; base-110; vertical rod-120; cavity-1110; opening-1120; lifting device-20; bracket-210; lifting rod-220; first guide device-30; first guide wheel group-320; first guide wheel-3210; second guide wheel-3220; second guide device-40; second guide frame-410; second guide wheel group-430; third guide wheel-4310; fourth guide wheel-4320; first adjustment frame-3110; first screw rod-3120; second adjustment frame-4210; second screw rod-4220; slider-4230; fixing frame-230; safety brake device-50; control device-60; gripping member-610; bearing platform-70; elastic member-80.

[0026] Figure 1 The overall structural diagram of an ECMO system lifting device according to an embodiment of the present invention is shown;

[0027] Figure 2 A schematic diagram of the exploded structure of an ECMO system lifting device according to an embodiment of the present invention is shown;

[0028] Figure 3 A rear view of the structure of an ECMO system lifting device without a supporting device in an embodiment of the present invention is shown;

[0029] Figure 4 A rear view of the structure of an ECMO system lifting device without a supporting device in another embodiment of the present invention is shown;

[0030] Figure 5 Shows Figure 4 A partial enlarged view of the middle A;

[0031] Figure 6 A cross-sectional schematic diagram of an ECMO system lifting device at a first guide device in an embodiment of the present invention is shown;

[0032] Figure 7 A cross-sectional schematic diagram of an ECMO system lifting device at a second guide device in an embodiment of the present invention is shown;

[0033] Figure 8 A schematic structural diagram showing a first assembly state of a lifting rod in an embodiment of the present invention is shown;

[0034] Fig. 9 A schematic structural diagram of a second assembly state of a lifting rod in an embodiment of the present invention is shown;

[0035] Fig.10 A schematic structural diagram of a third assembly state of a lifting rod in an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only embodiments of a part of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0037] In order to solve the problem of ECMO system stability and convenient lifting in the existing technology, please refer to Figure 1-Figure 3 The present invention provides an ECMO system lifting device 20, comprising:

[0038] The supporting device 10 includes a base 110 and a vertical rod 120. The base 110 is arranged at the bottom of the vertical rod 120. The vertical rod 120 is hollow to form a cavity 1110. The surface of the vertical rod 120 is provided with an opening 1120 arranged along the axial direction of the vertical rod 120. The opening 1120 is connected to the cavity 1110.

[0039] The lifting device 20 includes a bracket 210 and a lifting rod 220. The lifting rod 220 is disposed in the cavity 1110. The bracket 210 extends into the opening 1120 and is fixedly connected to the lifting rod 220. The bracket 210 is lifted and lowered along with the lifting and lowering of the lifting rod 220.

[0040] The first guide device 30 is disposed in the mold cavity 1110 and connected to the bracket 210. The first guide device 30 includes a first adjustment mechanism and a first guide wheel group (not shown in the figure). The first guide wheel group (not shown in the figure) includes a first guide wheel 3210 and a second guide wheel 3220. The first adjustment mechanism (not shown in the figure) can make the first guide wheel 3210 and the second guide wheel 3220 move relative to each other in a first direction, so that the circumferences of the first guide wheel 3210 and the second guide wheel 3220 respectively abut against the vertical rod 120;

[0041] The second guide device 40 is disposed in the mold cavity 1110 and connected to the bracket 210. The second guide device 40 includes a second adjustment mechanism and a second guide wheel group (not shown in the figure). The second guide wheel group (not shown in the figure) includes a third guide wheel 4310 and a fourth guide wheel 4320. The second adjustment mechanism (not shown in the figure) can make the third guide wheel 4310 and the fourth guide wheel 4320 move relative to each other in the second direction, so that the circumferences of the third guide wheel 4310 and the fourth guide wheel 4320 respectively abut against the vertical rod 120.

[0042] The first direction, the second direction, and the length direction of the upright pole 120 are perpendicular to each other.

[0043] Compared with the prior art, the ECMO system lifting device 20 in the present invention has a first guide device 30 and a second guide device 40, and the lifting device 20, the first guide device 30 and the second guide device 40 are all arranged in the cavity 1110 of the vertical rod 120, and only the surface of the vertical rod 120 is provided with an opening 1120 arranged along the axial direction of the vertical rod 120. Therefore, the ECMO system lifting device 20 in the present invention is safe, and will not cause parts to fly and injure people due to failure of the lifting device 20, the first guide device 30 and the second guide device 40. Because the length direction of the first guide device 30, the second guide device 40 and the vertical rod 120 are arranged vertically in pairs, the first guide device 30 and the second guide device 40 can ensure that the bracket 210 remains stable when being pushed and lifted by the lifting rod 220. The lifting rod 220 automatically extends and lowers, avoiding excessive operation of medical staff. Therefore, the ECMO system lifting device 20 in the present invention can solve the problem of stable and convenient lifting of the ECMO system in the prior art.

[0044] Generally speaking, the support device 10 includes a base 110 and a vertical rod 120, wherein the vertical rod 120 is generally formed in one piece of metal material. For the sake of mass production, the specifications of the vertical rod 120 generally cannot achieve consistency in dimensional parameters. The ECMO system lifting device 20 is a precise and important medical device, and it must maintain stable lifting, so a guide device is provided to ensure stability during the lifting process. The first guide device 30 and the second guide device 40 respectively ensure the stability of the lifting device 20 on a plane, and the superposition of the two enables the lifting device 20 to only move along the length direction of the vertical rod 120.

[0045] In this embodiment, the bracket 210 has two main functions. On the one hand, it is used to install the external medical device to achieve the lifting of the external medical device. On the other hand, the bracket 210 is used to install the first guide device 30 and the second guide device 40.

[0046] It should be noted that in the first guide device 30, there may be multiple first guide wheel groups (not shown) and they are arranged along the length direction of the vertical pole 120. The first guide wheel group (not shown) includes a first guide wheel 3210 and a second guide wheel 3220, wherein the first adjustment mechanism can make the first guide wheel 3210 and the second guide wheel 3220 move relative to each other in the first direction. That is, the distance between the first guide wheel 3210 and the second guide wheel 3220 is adjusted, so that the first guide wheel 3210 and the second guide wheel 3220 are respectively abutted against the inner wall of the vertical pole 120, and finally the lifting device 20 is limited in the first direction.

[0047] In the second guide device 40, there may be multiple sets of second guide wheel groups (not shown) and they are arranged along the length direction of the vertical pole 120. The second guide wheel group (not shown) includes a third guide wheel 4310 and a fourth guide wheel 4320, wherein the second adjustment mechanism can make the third guide wheel 4310 and the fourth guide wheel 4320 move relative to each other in the second direction. That is, the distance between the third guide wheel 4310 and the fourth guide wheel 4320 is adjusted, so that the third guide wheel 4310 and the fourth guide wheel 4320 are respectively abutted against the inner wall of the vertical pole 120, and finally the lifting device 20 is limited in the second direction.

[0048] The first guide wheel group (not shown) and the second guide wheel group (not shown) are generally arranged at intervals. In some cases, the first guide device 30 and the second guide device 40 can also be modularized to facilitate mass production and assembly.

[0049] In a more preferred embodiment, please refer to Figure 4 and Figure 5The first adjustment mechanism and / or the second adjustment mechanism include an elastic member 80, which enables the first guide wheel 3210 and the second guide wheel 3220 to move relative to each other in the first direction and / or the third guide wheel 4310 and the fourth guide wheel 4320 to move relative to each other in the second direction.

[0050] The first adjustment mechanism (not shown) and the second adjustment mechanism (not shown) can also adjust the distance between the guide wheels in other ways. The relative movement between the first guide wheel 3210 and the second guide wheel 3220 can be that the first guide wheel 3210 and the second guide wheel 3220 move simultaneously, or one of them is fixed and the other moves. Correspondingly, the third guide wheel 4310 and the fourth guide wheel 4320 also have the same motion relationship.

[0051] In this embodiment, the elastic member 80 is generally disposed between the first guide wheel 3210 and the second guide wheel 3220, or between the third guide wheel 4310 and the fourth guide wheel 4320, or both. The elastic member is preferably a spring, and the spring stretches to make the two connected guide wheels abut against the inner wall of the upright pole 120.

[0052] In a more preferred embodiment, please refer to Figure 3-Figure 5 , can pass through the opening 1120 along the first direction, the first adjustment mechanism includes a first adjustment frame 3110, a first screw rod 3120, a first guide wheel 3210 is arranged on the bracket 210 and is always in contact with the vertical rod 120, and a second guide wheel 3220 is arranged on the first adjustment frame 3110, and the first adjustment frame 3110 is slidably connected to the bracket 210 through the first screw rod 3120, and the distance between the first adjustment frame 3110 and the bracket 210 in the first direction can be changed by rotating the first screw rod 3120;

[0053] The second adjustment mechanism includes a second adjustment frame 4210, a second screw rod 4220 and a slider 4230 sleeved on the second screw rod 4220. The second adjustment frame 4210 is slidably connected to the bracket 210. The second adjustment frame 4210 is provided with a third guide wheel 4310. The bracket 210 is provided with a fourth guide wheel 4320 that is always in contact with the vertical rod 120. The slider 4230 is provided with a first inclined surface, and the adjustment frame is provided with a second inclined surface corresponding to the first inclined surface. Rotating the second screw rod 4220 can move the slider 4230 and push the second adjustment frame 4210 to move along the second direction.

[0054] At least one end of the first screw rod 3120 and the second screw rod 4220 is exposed in the opening 1120 .

[0055] In this embodiment, the first adjustment mechanism is used to adjust the distance between the first guide wheel 3210 and the second guide wheel 3220, and the second adjustment mechanism is used to adjust the distance between the third guide wheel 4310 and the fourth guide wheel 4320. Generally, the ECMO system lifting device 20 of the present invention is debugged once before leaving the factory so that the ECMO system lifting device 20 of the present invention can be lifted and lowered smoothly.

[0056] The first adjustment mechanism (not shown) includes a first adjustment frame 3110 and a first screw rod 3120. The second guide wheel 3220 is not directly connected to the bracket 210, but is connected to the bracket 210 through the first adjustment frame 3110. Therefore, the first guide wheel 3210 and the second guide wheel 3220 can move along the first direction, so that the circumference of the first guide wheel 3210 and the second guide wheel 3220 are both in contact with the inner wall of the vertical rod 120. Among them, the first screw rod 3120, the first adjustment frame 3110 and the bracket 210 are equivalent to a lead screw structure. The first direction can pass through the opening 1120, which ensures that the adjustment end of the first screw rod 3120 can be exposed in the opening 1120 for easy operation by production personnel.

[0057] The second adjustment mechanism (not shown) includes a second adjustment frame 4210, a second screw rod 4220, and a slider 4230 sleeved on the second screw rod 4220. The second screw rod 4220, the slider 4230, and the bracket 210 are also equivalent to a lead screw structure. However, in this way, the second screw rod 4220 can only be arranged along the second direction, which will result in an additional opening 1120 being required on the vertical rod 120.

[0058] By making a turn with the second adjustment frame 4210 and the slider 4230, the second screw rod 4220 can be set along the first direction while ensuring that the distance between the third guide wheel 4310 and the fourth guide wheel 4320 in the second direction can be changed.

[0059] Specifically, the slider 4230 is provided with a first inclined surface, and the second adjustment frame 4210 is provided with a second inclined surface. The first inclined surface and the second inclined surface are in contact and can slide relative to each other. When the second screw rod 4220 is rotated, the slider 4230 moves along the length direction of the second screw rod 4220, and the first inclined surface squeezes the second inclined surface. Because the second adjustment frame 4210 cannot move in the first direction, it is squeezed by the first inclined surface, causing the second adjustment frame 4210 to drive the third guide wheel 4310 to move in the second direction.

[0060] Generally speaking, before factory adjustment, the fourth guide wheel 4320 and the first guide wheel 3210 are pre-contacted against the inner wall of the vertical pole 120.

[0061] In a more preferred embodiment, a plurality of lifting rods 220 are provided, and the plurality of lifting rods 220 are stacked so that the total lifting stroke of the ECMO system lifting device 20 is the sum of the strokes of the plurality of lifting rods 220 .

[0062] In this embodiment, the lifting rods 220 are generally standard parts. Sometimes a single lifting rod 220 cannot achieve a sufficient lifting distance, so multiple lifting rods 220 need to be stacked to ensure that the ECMO system lifting device 20 in the present invention can have a sufficient lifting height.

[0063] In a more preferred embodiment, the lifting device 20 further includes a fixing frame 230 , and the fixing frame 230 is used to fix and connect two adjacent lifting rods 220 .

[0064] In this embodiment, the fixing frame 230 is used to connect two adjacent lifting rods 220. Figure 6 The lifting rod 220 generally has a fixed rod and a telescopic rod, and the fixed rods of the two lifting rods 220 are fixedly connected to each other. Figure 7 , connect the fixed rod and telescopic rod end to end. Figure 8 , through a fixing frame 230, the fixing rod of one lifting rod 220 is connected in parallel with the telescopic rod of another lifting rod 220, thereby avoiding affecting the lifting device 20 from being unable to be lowered to a lower height.

[0065] In a more preferred embodiment, a safety brake device 50 is further included. The safety brake device 50 is disposed in the cavity 1110 and fixedly connected to the bracket 210 . The safety brake device 50 can abut against the vertical rod 120 to prevent the lifting rod 220 from rising or falling.

[0066] The safety brake device 50 is provided to ensure safety, and will not cause sudden medical accidents during treatment due to performance failure of the lifting rod 220. Generally, the safety brake device 50 is fixedly mounted on the lifting device 20, and always ensures that the lifting rod 220 is prevented from rising and falling.

[0067] In a more preferred embodiment, the control device 60 is further included, and the control device 60 is capable of unlocking the safety brake device 50 to separate the safety brake device 50 from the pole 120 .

[0068] When the height needs to be adjusted, the safety brake device 50 needs to be unlocked, and the control device 60 can separate the safety brake device 50 from the upright 120. The control device 60 can be electrically controlled or mechanically controlled, as long as it can control the safety brake device 50 to brake or unlock.

[0069] In a more preferred embodiment, the control device 60 can also be linked to the pneumatic lifting rod. When the control device 60 controls the safety brake device 50 to separate from the vertical pole 120, the pneumatic lifting rod begins to extend.

[0070] The pneumatic lifting rod is a common lifting device 20. When the safety brake device 50 is separated from the vertical rod 120, the pneumatic lifting rod can be automatically raised and lowered. Its principle is equivalent to that of an office chair. When an ECMO system is present, the pneumatic lifting rod will be pressed down by the gravity of the ECMO system, and when there is no ECMO system, the pneumatic lifting rod will be extended.

[0071] In a more preferred embodiment, the control device 60 is fixedly disposed on the vertical pole 120 , and the control device 60 includes a gripping member 610 . When the gripping member 610 is moved, the pneumatic lifting rod and the safety brake device 50 are simultaneously linked.

[0072] In this embodiment, the holding member 610 simultaneously links the pneumatic lifting rod and the safety brake device 50 , so after the holding member 610 is moved, the safety brake device 50 is directly unlocked and the pneumatic lifting rod also starts to work.

[0073] In a more preferred embodiment, a bearing platform 70 is further included. The bearing platform 70 is disposed outside the vertical pole 120 and is fixedly connected to the bracket 210 .

[0074] The main function of the carrier 70 is to carry medical devices and provide a location for installing medical devices. Specifically, the carrier 70 is mainly used to carry the membrane lung and blood pump in the ECMO system. The membrane lung and blood pump are important components in the ECMO system, wherein the membrane lung is mainly used to input oxygen into the blood, and the function of the blood pump is to make the blood flow, which is equivalent to the function of the heart pacemaker.

[0075] The position of the blood pump is equivalent to the position of the heart, so the height of the blood pump determines the blood pressure to a certain extent. The rise and fall of the support platform 70 adjusts the height of the blood pump, and finally achieves the effect of regulating blood pressure.

[0076] The first direction mentioned above is generally perpendicular to the plane where the opening 1120 is located, and the second direction is generally parallel to the plane where the opening 1120 is located.

[0077] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An ECMO system lifting device, characterized in that: include: A supporting device, the supporting device comprising a base and a vertical rod, the base is arranged at the bottom of the vertical rod, the vertical rod is hollow to form a cavity, and the surface of the vertical rod is provided with an opening arranged along the axial direction of the vertical rod, and the opening is connected to the cavity; A lifting device, the lifting device comprising a bracket and a lifting rod, the lifting rod being arranged in the cavity, the bracket extending into the opening and being fixedly connected to the lifting rod, the bracket rising and falling along with the lifting and falling of the lifting rod; a first guide device, disposed in the mold cavity and connected to the bracket, the first guide device comprising a first adjustment mechanism and a first guide wheel group, the first guide wheel group comprising a first guide wheel and a second guide wheel, the first adjustment mechanism enabling the first guide wheel and the second guide wheel to move relative to each other in a first direction so that the circumferences of the first guide wheel and the second guide wheel respectively abut against the vertical rod; a second guide device, arranged in the mold cavity and connected to the bracket, the second guide device comprising a second adjustment mechanism and a second guide wheel group, the second guide wheel group comprising a third guide wheel and a fourth guide wheel, the second adjustment mechanism enabling the third guide wheel and the fourth guide wheel to move relative to each other in a second direction so that the circumferences of the third guide wheel and the fourth guide wheel respectively abut against the vertical rod; The first direction, the second direction and the length direction of the vertical pole are perpendicular to each other.

2. The ECMO system lifting device according to claim 1, characterized in that: The first adjustment mechanism and / or the second adjustment mechanism comprises an elastic member, and the elastic member enables the first guide wheel and the second guide wheel to move relative to each other in a first direction and / or the third guide wheel and the fourth guide wheel to move relative to each other in a second direction.

3. The ECMO system lifting device according to claim 1, characterized in that: The first adjusting mechanism includes a first adjusting frame and a first screw rod, wherein the first guide wheel is arranged on the bracket and always abuts against the vertical rod, and the second guide wheel is arranged on the first adjusting frame. The first adjusting frame is slidably connected with the bracket through the first screw rod, and the distance between the first adjusting frame and the bracket in the first direction can be changed by rotating the first screw rod; The second adjustment mechanism comprises a second adjustment frame, a second screw and a slider sleeved on the second screw, the second adjustment frame is slidably connected to the bracket, the second adjustment frame is provided with the third guide wheel, the bracket is provided with the fourth guide wheel which is always in contact with the vertical rod, the slider is provided with a first inclined surface, the adjustment frame is provided with a second inclined surface corresponding to the first inclined surface, and rotating the second screw can move the slider and push the second adjustment frame to move along the second direction; At least one end of the first screw rod and the second screw rod is exposed at the opening.

4. The ECMO system lifting device according to claim 3, characterized in that: There are multiple lifting rods, and the multiple lifting rods are stacked so that the total lifting stroke of the ECMO system lifting device is the sum of the respective strokes of the multiple lifting rods.

5. The ECMO system lifting device according to claim 4, characterized in that: The lifting device also includes a fixing frame, which is used for fixing and connecting two adjacent lifting rods.

6. The ECMO system lifting device according to claim 4, characterized in that: It also includes a safety brake device, which is arranged in the cavity and fixedly connected to the bracket. The safety brake device can abut against the vertical rod to prevent the lifting of the lifting rod.

7. The ECMO system lifting device according to claim 5 or 6, characterized in that: A control device is also included, which can unlock the safety brake device to separate the safety brake device from the pole.

8. The ECMO system lifting device according to claim 7, characterized in that: The control device can also be linked to the lifting rod. When the control device controls the safety brake device to separate from the vertical pole, the lifting rod begins to extend.

9. The ECMO system lifting device according to claim 8, characterized in that: The control device is fixedly arranged on the vertical pole, and the control device comprises a gripping member. When the gripping member is moved, the lifting rod and the safety brake device are simultaneously linked.

10. The ECMO system lifting device according to claim 1, characterized in that: It also includes a bearing platform, which is arranged outside the vertical pole and fixedly connected to the bracket.

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