Breathing device for cardiovascular surgery intensive care unit

By designing the limiting mechanism and restraining mechanism in the respiratory device for cardiovascular surgical monitoring rooms, the impact of the position deviation of the respiratory trachea and the patient's agitation on the dosing and dressing change is solved, the stable limit of the respiratory trachea and the effective constraints of the patient are achieved, and the smoothness and safety of treatment are improved.

CN119745632AActive Publication Date: 2025-04-04THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV
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Patent Information

Application Number
CN202411855066.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-04-04
Estimated Expiration
2044-12-17

AI Technical Summary

Technical Problem

During the use of the existing respiratory device for monitoring rooms, the respiratory duct is prone to positional deviation, resulting in accidental squeezing, affecting the patient's respiratory and oxygen inhalation process, and it is difficult to add medicine and change the medicine when the patient is agitated.

Method used

A respiratory device for cardiovascular surgical monitoring chamber is designed, including a limiting mechanism and a restraining mechanism. The limiting mechanism realizes flexible limiting of the breathing pipe through components such as worms, worm gears, threaded rods and lifting blocks; the restraining mechanism achieves constraints on the patient's arms and legs through components such as multi-stage electric telescopic rods, servo motors and push blocks.

Benefits of technology

Through the design of the limiting mechanism, the position deviation of the respiratory duct is avoided and the stability of the respiratory duct is ensured. Through the design of the restraining mechanism, the patient's agitation is effectively restrained, the process of dosing and changing the medicine is simplified, and the smoothness of treatment is improved.

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Abstract

The invention relates to the technical field of breathing equipment for cardiovascular surgery, and discloses a breathing device for a cardiovascular surgery care unit, the breathing device comprises a bottom plate, a limiting mechanism and a restraining mechanism are arranged above the bottom plate, the limiting mechanism comprises a care bed, and the bottom surface of the care bed is fixedly connected with the upper surface of the bottom plate; the inner wall of the monitoring bed is fixedly connected with a respirator body, the bottom plate is fixedly connected with a limiting box and a limiting frame, the inner wall of the limiting frame is slidably connected with a lifting block, and the lifting block is in threaded connection with a first threaded rod. According to the breathing device for the cardiovascular surgery intensive care unit, when a worker manually rotates a worm, the worm can drive a worm gear to rotate, and when the worm gear rotates, a first threaded rod in the worm gear can be driven to rotate, so that under the action of rotation of the first threaded rod, a lifting block and a limiting assembly above the lifting block can be driven to ascend; and therefore, the limiting height of the device can be conveniently adjusted according to conditions, and the flexibility of limiting the breathing tube by the device is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of respiratory equipment for cardiovascular surgery, in particular to a respiratory device for cardiovascular surgery intensive care unit. Background Art

[0002] Respiratory equipment for cardiovascular surgery refers to equipment used to assist or replace the patient's respiratory function during cardiovascular surgery or treatment. These devices usually include ventilators, extracorporeal membrane oxygenation, etc. They can provide mechanical ventilation support to help patients maintain normal respiratory function and ensure the smooth progress of the operation or the effectiveness of the treatment. The main function of these devices is to maintain or improve the patient's gas exchange and ventilation function, ensuring that the lungs can inhale sufficient oxygen and expel carbon dioxide, thereby maintaining the patient's basic vital signs. Respiratory equipment for cardiovascular surgery plays a vital role in cardiac surgery and heart disease treatment. They can not only maintain the patient's vital signs, but also promote the patient's recovery and improve the quality of life.

[0003] At present, the existing respiratory devices used in intensive care units can usually only assist patients in breathing during use. However, when the respiratory devices are used in intensive care units, since the respiratory trachea of ​​the respiratory devices does not have a fixed limit function, the respiratory trachea is prone to position displacement when the respiratory devices are used for assisted breathing, which can easily cause accidental squeezing of the respiratory trachea, greatly affecting the patient's breathing and oxygen inhalation process, and can also have a very serious impact on the patient. At the same time, during the use of the respiratory devices, it is not convenient for patients who assist in controlling their breathing to add medicine, so when the patient is more agitated and rejecting, it is easy to have difficulty in adding and changing medicines, which can easily affect the patient's treatment progress. Summary of the invention

[0004] The object of the present invention is to provide a breathing apparatus for use in a cardiovascular surgery intensive care unit to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: A breathing device for a cardiovascular surgery intensive care unit, comprising a bottom plate, characterized in that a limiting mechanism and a restraining mechanism are arranged above the bottom plate;

[0006] The limiting mechanism comprises a monitoring bed, the bottom surface of the monitoring bed is fixedly connected to the upper surface of the bottom plate, the inner wall of the monitoring bed is fixedly connected to a ventilator body, the bottom plate is fixedly connected to a limiting box and a limiting frame, the inner wall of the limiting frame is slidably connected to a lifting block, the lifting block is threadedly connected to a first threaded rod, the first threaded rod is rotatably connected to the inner wall of the limiting frame, the first threaded rod is fixedly connected to a worm gear, the worm gear is meshingly connected to a worm, the worm gear is rotatably connected to the limiting frame, the lifting block is slidably connected to a slider, one side of the slider is fixedly connected to a spring, one end of the spring is fixedly connected to the lifting block, the slider is fixedly connected to a fixing frame, and the fixing frame is rotatably connected to a limiting wheel;

[0007] The restraint mechanism includes two baffles, which are fixedly connected to the monitoring bed. The inner top wall of the monitoring bed is fixedly connected to a support frame. The inner bottom wall of the support frame is fixedly connected to two multi-stage electric telescopic rods. The telescopic end of each multi-stage electric telescopic rod is fixedly connected to an arm restraint frame. Each arm restraint frame is slidably connected to the monitoring bed. The monitoring bed is fixedly connected to a servo motor. The output end of the servo motor power is fixedly connected to a second threaded rod. The second threaded rod is rotatably connected to the monitoring bed. The second threaded rod is threadedly connected to a lifting frame. The lifting frame is slidably connected to the monitoring bed. The lifting frame is fixedly connected to two push blocks. The two push blocks are commonly fixedly connected to a leg restraint frame. The leg restraint frame is slidably connected to the inner wall of the monitoring bed.

[0008] Preferably, four universal wheels are fixedly connected to the bottom surface of the base plate, and handles are fixedly connected to the side surfaces of the two baffles that are away from each other.

[0009] Preferably, two reinforcement blocks are fixedly connected to the front and back of the monitoring bed, and the bottom surface of each reinforcement block is fixedly connected to the upper surface of the base plate.

[0010] Preferably, a partition plate is fixedly connected to the inner wall of the monitoring bed, the back surface of the partition plate is fixedly connected to the front surface of the limit box, and the bottom surface of the partition plate is fixedly connected to the upper surface of the bottom plate.

[0011] Preferably, two fixing frames are fixedly connected to the front of the partition plate, the outer surface of each of the fixing frames is fixedly connected to the inner wall of the monitoring bed, and the bottom surface of each of the fixing frames is fixedly connected to the upper surface of the bottom plate.

[0012] Preferably, the inner wall of each of the fixing frames is slidably connected to a storage frame, and the side surfaces of the two storage frames that are away from each other are fixedly connected to a first pull block.

[0013] Preferably, two reinforcement strips are fixedly connected to the bottom surface of the monitoring bed, and the upper surface of each reinforcement strip is fixedly connected to the bottom surface of the baffle.

[0014] Preferably, an opening and closing plate is slidably connected to the inner wall of the limit box, and a second pulling block is fixedly connected to the left side of the opening and closing plate.

[0015] Preferably, two first magnets are fixedly connected to the upper surface of the opening and closing plate, and two second magnets are fixedly connected to the inner top wall of the monitoring bed.

[0016] Preferably, one end of each group of worms that is away from each other is fixedly connected to a rotating block, and the outer surface of each rotating block is provided with anti-skid grooves arranged at equal distances.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0018] First, the present invention sets a limit frame, a lifting block, a first threaded rod, a worm wheel and a worm, so that under the action of the worm, when the staff manually turns the worm, the rotation of the worm can drive the worm wheel to rotate, and during the rotation of the worm wheel, the first threaded rod inside can be driven to rotate, so that under the action of the rotation of the first threaded rod, the lifting block and the limit assembly above the lifting block can be driven to rise, so that it is convenient to adjust the limit height of the device according to the situation, and improve the flexibility of the device in limiting the respiratory airway. By setting a slider, a spring, a fixed frame and a limit wheel, the movement of the fixed frame can drive the slider and the limit wheel at the bottom to move to both sides, and the spring can be squeezed during the movement of the slider, so that the two limit wheels can be opened, so that the respiratory airway can be conveniently placed inside for limiting, and the spring can facilitate the resetting of the limit wheel, avoiding the situation that the respiratory airway is easily displaced during use.

[0019] Second, the present invention provides a support frame, a multi-stage electric telescopic rod and an arm constraint frame, so that under the action of the multi-stage electric telescopic rod, the extension of the multi-stage electric telescopic rod can drive the arm constraint frame to rise until it rises to a suitable height, so that the patient's arms can be conveniently placed inside, and the arm constraint frame can be adjusted to a suitable height through the multi-stage electric telescopic rod, so that the patient's arms can be restrained to prevent the patient's restlessness from affecting the treatment work; by providing a servo motor, a second threaded rod, a lifting frame, a push block and a leg constraint frame, the rotation of the servo motor can drive the second threaded rod to rotate, and the lifting frame can be driven to rise under the action of the rotation of the second threaded rod, and when the lifting frame rises, it can push the push block and the leg constraint frame to rise until they rise to a suitable height, so that the patient's legs can be conveniently placed inside, and the leg constraint frame can be adjusted to a suitable position through the servo motor, so that the patient's legs can be conveniently restrained. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the bottom plate of the present invention;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the baffle of the present invention in cross section;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the monitoring bed of the present invention when viewed from the left;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the monitoring bed of the present invention;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the cutaway view of the limit frame of the present invention;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the opening and closing plate of the present invention.

[0026] Among them: 1. bottom plate; 2. limit mechanism; 201. monitoring bed; 202. ventilator body; 203. limit frame; 204. limit box; 205. lifting block; 206. first threaded rod; 207. worm gear; 208. worm; 209. slider; 210. fixing frame; 211. limit wheel; 212. spring; 3. constraint mechanism; 301. baffle; 302. support frame; 303. multi-stage electric telescopic rod; 30 4. Arm constraint frame; 305. Servo motor; 306. Second threaded rod; 307. Lifting frame; 308. Push block; 309. Leg constraint frame; 4. Handle; 5. Universal wheel; 6. Reinforcement block; 7. Partition plate; 8. Fixed frame; 9. Reinforcement strip; 10. Storage frame; 11. First pull block; 12. Opening and closing plate; 13. Second pull block; 14. Rotating block; 15. Anti-slip groove; 16. First magnet; 17. Second magnet. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Example 1

[0029] See also Figure 1-6 , a breathing apparatus for cardiovascular surgery intensive care unit, comprising a bottom plate 1, a limiting mechanism 2 and a restraining mechanism 3 are arranged above the bottom plate 1;

[0030] The limiting mechanism 2 includes a monitoring bed 201, the bottom surface of the monitoring bed 201 is fixedly connected to the upper surface of the base plate 1, the inner wall of the monitoring bed 201 is fixedly connected with a ventilator body 202, the bottom surface of the ventilator body 202 is fixedly connected to the upper surface of the base plate 1, the upper surface of the base plate 1 is fixedly connected with a limiting box 204 and a limiting frame 203, the inner wall of each limiting frame 203 is slidably connected with a lifting block 205, the inner wall of each lifting block 205 is threadedly connected with a first threaded rod 206, the bottom end of each first threaded rod 206 is rotatably connected to the inner wall of the limiting frame 203, and the inner wall of each first threaded rod 206 is threadedly connected to the inner wall of the limiting frame 203. The outer surfaces are fixedly connected to worm wheels 207, the outer surface of each worm wheel 207 is meshingly connected to a worm 208, the outer surface of each worm 208 is rotatably connected to the inner wall of the limit frame 203, the inner wall of each lifting block 205 is slidably connected to two sliders 209, the side of each group of sliders 209 away from each other is fixedly connected to three springs 212, the end of each group of springs 212 away from each other is fixedly connected to the inner wall of the lifting block 205, the upper surface of each slider 209 is fixedly connected to a fixing frame 210, and the outer surface of each fixing frame 210 is rotatably connected to two limiting wheels 211.

[0031] Two reinforcement blocks 6 are fixedly connected to the front and back of the monitoring bed 201, and the bottom surface of each reinforcement block 6 is fixedly connected to the upper surface of the base plate 1. By setting the reinforcement blocks 6, the stability of the monitoring bed 201 can be further increased, so that it can be in a stable working state.

[0032] A partition plate 7 is fixedly connected to the inner wall of the monitoring bed 201, the back of the partition plate 7 is fixedly connected to the front of the limit box 204, and the bottom surface of the partition plate 7 is fixedly connected to the upper surface of the base plate 1. By setting the partition plate 7, the area at the bottom of the monitoring bed 201 can be separated, so that different operations can be facilitated.

[0033] Two fixed frames 8 are fixedly connected to the front of the partition plate 7, the outer surface of each fixed frame 8 is fixedly connected to the inner wall of the monitoring bed 201, and the bottom surface of each fixed frame 8 is fixedly connected to the upper surface of the base plate 1. By setting the fixed frame 8, a fixed platform can be provided for the storage component to stably store medical equipment.

[0034] The inner wall of each fixed frame 8 is slidably connected to a storage frame 10, and the side surfaces of the two storage frames 10 that are away from each other are fixedly connected to a first pull block 11. By providing the storage frames 10 and the first pull blocks 11, it is convenient for staff to store some frequently used small instruments, and the first pull block 11 can facilitate pulling the moving rod of the storage frame 10.

[0035] Two reinforcement strips 9 are fixedly connected to the bottom surface of the monitoring bed 201, and the upper surface of each reinforcement strip 9 is fixedly connected to the bottom surface of the baffle 301. By providing the reinforcement strips 9, the stability effect of the baffle 301 can be further increased to prevent separation during use.

[0036] The inner wall of the limit box 204 is slidably connected with an opening and closing plate 12, and the left side of the opening and closing plate 12 is fixedly connected with a second pull block 13. By setting the opening and closing plate 12 and the second pull block 13, the opening and closing plate 12 can open and close the limit box 204, which can facilitate operation of the internal respiratory trachea.

[0037] Two first magnets 16 are fixedly connected to the upper surface of the opening and closing plate 12, and two second magnets 17 are fixedly connected to the inner top wall of the monitoring bed 201. By providing the first magnets 16 and the second magnets 17, the opening and closing plate 12 can be conveniently fixed after being opened to prevent the opening and closing plate 12 from automatically resetting during operation.

[0038] One end of each group of worm gears 208 that is away from each other is fixedly connected to a rotating block 14, and the outer surface of each rotating block 14 is provided with anti-skid grooves 15 that are arranged at equal distances. By setting the rotating block 14 and the anti-skid grooves 15, it is convenient for the staff to rotate the worm gear 208 through the rotating block 14, and the anti-skid grooves 15 can prevent the hand from slipping.

[0039] The specific implementation method of this embodiment is as follows: first, the staff turns on the power supply of the ventilator body 202, and then opens the opening and closing plate 12 through the second pull block 13, and then connects one end of the breathing tube to be used with the ventilator body 202, and then the other end of the breathing tube passes through one side of the limit box 204 and out of the other side. Under the action of the limit box 204, the excess length of the breathing tube can be placed inside it to prevent the excessively long breathing tube from being stepped on or squeezed. Then the staff rotates the worm 208. When the staff manually rotates the worm 208, the rotation of the worm 208 can drive the worm wheel 207 to rotate, and during the rotation of the worm wheel 207, it can drive the internal first threaded rod 206 to rotate, so that under the action of the rotation of the first threaded rod 206, the lifting block 205 and the limiter above the lifting block 205 can be driven. The assembly rises until it is adjusted to a suitable height, and then the staff manually moves the two fixing frames 210 to both sides. The movement of the fixing frames 210 can drive the slider 209 and the limiting wheel 211 at the bottom to move to both sides. During the movement of the slider 209, the spring 212 can be squeezed, so that the two limiting wheels 211 can be opened, and then the respiratory trachea can be conveniently placed inside for limiting. Then the fixing frame 210 is released, and the spring 212 can facilitate the resetting of the limiting wheel 211 to avoid the situation where the respiratory trachea is easily displaced during use. At the same time, the limiting wheel 211 can be rotated. Therefore, when the length of the respiratory trachea is short after limiting, the respiratory trachea can be directly pulled to move and extend, so that it is convenient for patients to wear it for breathing and oxygen supply. Finally, the ventilator body 202 can be opened for breathing.

[0040] Example 2

[0041] See also Figure 1-6 The restraint mechanism 3 includes two baffles 301, and the sides of the two baffles 301 that are close to each other are fixedly connected to the front and back of the monitoring bed 201 respectively. The inner top wall of the monitoring bed 201 is fixedly connected to a support frame 302, and the inner bottom wall of the support frame 302 is fixedly connected to two multi-stage electric telescopic rods 303. The telescopic end of each multi-stage electric telescopic rod 303 is fixedly connected to an arm restraint frame 304, and the outer surface of each arm restraint frame 304 is slidably connected to the inner wall of the monitoring bed 201. The inner wall of the monitoring bed 201 is fixedly connected to a servo motor 30 5. The output end of the servo motor 305 is fixedly connected with the second threaded rod 306, the top end of the second threaded rod 306 is rotatably connected to the inner wall of the monitoring bed 201, the outer surface of the second threaded rod 306 is threadedly connected with the lifting frame 307, the outer surface of the lifting frame 307 is slidably connected to the inner wall of the monitoring bed 201, the upper surface of the lifting frame 307 is fixedly connected with two push blocks 308, the upper surfaces of the two push blocks 308 are commonly fixedly connected with a leg restraint frame 309, and the outer surface of the leg restraint frame 309 is slidably connected to the inner wall of the monitoring bed 201.

[0042] Four universal wheels 5 are fixedly connected to the bottom surface of the base plate 1, and handles 4 are fixedly connected to the side surfaces of the two baffles 301 that are away from each other. By providing the universal wheels 5 and the handles 4, the device can be easily pushed to move, thereby facilitating the adjustment of the position of the device.

[0043] The specific implementation method of this embodiment is as follows: first, the staff turns on the power of the servo motor 305 and the multi-stage electric telescopic rod 303. When it is necessary to add medicine to the patient and the patient is agitated and uncooperative, the staff turns on the multi-stage electric telescopic rod 303 and the servo motor 305. The extension of the multi-stage electric telescopic rod 303 can drive the arm restraint frame 304 to rise until it rises to a suitable height, so that the patient's arm can be conveniently placed inside, and the arm restraint frame 304 is adjusted to a suitable height by the multi-stage electric telescopic rod 303, so that the patient's arm can be restrained. The rotation of the servo motor 305 can drive the second threaded rod 306 to rotate, and under the action of the rotation of the second threaded rod 306, the lifting frame 307 can be driven to rise. When the lifting frame 307 rises, it can push the push block 308 and the leg restraint frame 309 to rise until it rises to a suitable height, so that the patient's legs can be conveniently placed inside, and the leg restraint frame 309 is adjusted to a suitable position by the servo motor 305, so that the patient's legs can be conveniently restrained to prevent the patient's agitation from affecting the treatment work.

[0044] The working principle of the present invention is as follows: first, the staff turns on the power of the servo motor 305, the ventilator body 202 and the multi-stage electric telescopic rod 303, and then opens the opening and closing plate 12 through the second pull block 13, and then connects one end of the used respiratory tube to the ventilator body 202, and then the other end of the respiratory tube passes through one side of the limit box 204 and passes out from the other side. Under the action of the limit box 204, the excess length of the respiratory tube can be placed inside it to prevent the excessively long respiratory tube from being stepped on or squeezed. Then the staff rotates the worm 208. When the staff manually rotates the worm 208, the rotation of the worm 208 can drive the worm wheel 207 to rotate. The rotation of the wheel 207 can drive the internal first threaded rod 206 to rotate, so that under the action of the rotation of the first threaded rod 206, the lifting block 205 and the limiting component above the lifting block 205 can be driven to rise until they are adjusted to a suitable height. Then the staff manually moves the two fixing frames 210 to move to both sides. The movement of the fixing frames 210 can drive the slider 209 and the limiting wheel 211 at the bottom to move to both sides. During the movement of the slider 209, the spring 212 can be squeezed, so that the two limiting wheels 211 can be opened, so that the respiratory trachea can be conveniently placed inside for limiting, and then the fixing frame 210 is released, and the spring 212 is released. The limiting wheel 211 can be easily reset to avoid the situation where the respiratory trachea is easily offset during use. At the same time, the limiting wheel 211 can be rotated. Therefore, when the length of the respiratory trachea is short after limiting, the respiratory trachea can be directly pulled to move and extend, so that it is convenient for the patient to wear it for breathing and oxygen supply. Finally, the ventilator body 202 can be turned on to perform breathing work. When it is necessary to add medicine to the patient and the patient is agitated and uncooperative, the staff turns on the multi-stage electric telescopic rod 303 and the servo motor 305. The extension of the multi-stage electric telescopic rod 303 can drive the arm restraint frame 304 to rise until it rises to a suitable height, so that the patient's arm can be placed conveniently. The arm restraint frame 304 is placed inside, and the arm restraint frame 304 is adjusted to an appropriate height by the multi-stage electric telescopic rod 303, so that the patient's arm can be restrained. The rotation of the servo motor 305 can drive the second threaded rod 306 to rotate, and the rotation of the second threaded rod 306 can drive the lifting frame 307 to rise. When the lifting frame 307 rises, it can push the push block 308 and the leg restraint frame 309 to rise until they rise to a suitable height, so that the patient's legs can be conveniently placed inside, and the leg restraint frame 309 can be adjusted to an appropriate position by the servo motor 305, which can facilitate the restraint of the patient's legs and prevent the patient's restlessness from affecting the treatment work.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A breathing apparatus for a cardiovascular surgery intensive care unit, comprising a base plate (1), characterized in that: A limiting mechanism (2) and a restraining mechanism (3) are arranged above the bottom plate (1); The limiting mechanism (2) comprises a monitoring bed (201), the monitoring bed (201) is fixedly connected to a base plate (1), the monitoring bed (201) is fixedly connected to a ventilator body (202), the base plate (1) is fixedly connected to a limiting box (204) and a limiting frame (203), the limiting frame (203) is slidably connected to a lifting block (205), the lifting block (205) is threadedly connected to a first threaded rod (206), the first threaded rod (206) is rotatably connected to the limiting frame (203), and the first threaded rod ( 206) is fixedly connected to a worm wheel (207), the worm wheel (207) is meshingly connected to a worm (208), the worm (208) is rotationally connected to the limit frame (203), the lifting block (205) is slidably connected to a slider (209), the slider (209) is fixedly connected to a spring (212), one end of the spring (212) is fixedly connected to the lifting block (205), the slider (209) is fixedly connected to a fixing frame (210), and the fixing frame (210) is rotationally connected to a limiting wheel (211); The restraint mechanism (3) comprises two baffles (301), the two baffles (301) are fixedly connected to the monitoring bed (201), the monitoring bed (201) is fixedly connected to a support frame (302), the support frame (302) is fixedly connected to two multi-stage electric telescopic rods (303), the telescopic end of each multi-stage electric telescopic rod (303) is fixedly connected to an arm restraint frame (304), each arm restraint frame (304) is slidably connected to the monitoring bed (201), and the monitoring bed (201) is fixedly connected to a servo motor (305). The output end of the power of the servo motor (305) is fixedly connected to a second threaded rod (306), the second threaded rod (306) is rotatably connected to the monitoring bed (201), the second threaded rod (306) is threadedly connected to a lifting frame (307), the lifting frame (307) is slidably connected to the monitoring bed (201), the lifting frame (307) is fixedly connected to two push blocks (308), the two push blocks (308) are commonly fixedly connected to a leg restraint frame (309), and the leg restraint frame (309) is slidably connected to the inner wall of the monitoring bed (201).

2. A breathing apparatus for cardiovascular surgery intensive care unit according to claim 1, characterized in that: Four universal wheels (5) are fixedly connected to the bottom surface of the bottom plate (1), and handles (4) are fixedly connected to the side surfaces of the two baffles (301) that are away from each other.

3. A breathing apparatus for cardiovascular surgery intensive care unit according to claim 1, characterized in that: Two reinforcement blocks (6) are fixedly connected to the front and back of the monitoring bed (201), and the bottom surface of each reinforcement block (6) is fixedly connected to the upper surface of the bottom plate (1).

4. A breathing apparatus for cardiovascular surgery intensive care unit according to claim 1, characterized in that: The inner wall of the monitoring bed (201) is fixedly connected with a partition plate (7), the back surface of the partition plate (7) is fixedly connected to the front surface of the limit box (204), and the bottom surface of the partition plate (7) is fixedly connected to the upper surface of the bottom plate (1).

5. A breathing apparatus for cardiovascular surgery intensive care unit according to claim 4, characterized in that: Two fixing frames (8) are fixedly connected to the front of the partition plate (7), the outer surface of each fixing frame (8) is fixedly connected to the inner wall of the monitoring bed (201), and the bottom surface of each fixing frame (8) is fixedly connected to the upper surface of the bottom plate (1).

6. A breathing apparatus for cardiovascular surgery intensive care unit according to claim 5, characterized in that: The inner wall of each of the fixed frames (8) is slidably connected to a storage frame (10), and the side surfaces of the two storage frames (10) that are away from each other are fixedly connected to a first pull block (11).

7. A breathing apparatus for cardiovascular surgery intensive care unit according to claim 1, characterized in that: Two reinforcement strips (9) are fixedly connected to the bottom surface of the monitoring bed (201), and the upper surface of each reinforcement strip (9) is fixedly connected to the bottom surface of the baffle (301).

8. A breathing apparatus for cardiovascular surgery intensive care unit according to claim 1, characterized in that: An opening and closing plate (12) is slidably connected to the inner wall of the limit box (204), and a second pull block (13) is fixedly connected to the left side of the opening and closing plate (12).

9. A breathing apparatus for cardiovascular surgery intensive care unit according to claim 8, characterized in that: Two first magnets (16) are fixedly connected to the upper surface of the opening and closing plate (12), and two second magnets (17) are fixedly connected to the inner top wall of the monitoring bed (201).

10. A breathing apparatus for cardiovascular surgery intensive care unit according to claim 1, characterized in that: One end of each group of worms (208) that is away from each other is fixedly connected to a rotating block (14), and the outer surface of each rotating block (14) is provided with anti-slip grooves (15) arranged at equal distances.

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