Sputum suction device for nursing in surgical intensive care unit

Abstract

The invention relates to the technical field of sputum suction devices, and particularly discloses a surgical intensive care unit nursing sputum suction device which comprises a bearing mechanism, the bearing mechanism comprises a bed board body, a leg butt strap and a backrest, the leg butt strap and the backrest are arranged at the two ends of the bed board body, a bottom frame is fixedly connected to the lower surface of the bed board body, and a movable sliding groove is formed in one side face of the bed board body; a movable sliding block and a positioning mechanism are installed in the movable sliding groove, the positioning mechanism comprises an adjusting assembly arranged on the backrest, a head positioning pad is connected to the adjusting assembly, a first limiting pad and a second limiting pad are hinged to the two ends of the head positioning pad respectively, and a pipeline positioning plate is hinged to one end of the first limiting pad and is of an arc-shaped plate body structure; a pipe hole is formed in one surface of the pipeline positioning plate; according to the device, by arranging the backrest with the adjusting assembly, the head orientation of a patient can be positioned, and the situation that the sputum suction effect is affected due to the fact that the head of the patient rotates in the sputum suction process, and consequently the trachea is deformed and pressed is prevented.

Description

Technical Field

[0001] The invention belongs to the technical field of sputum suction devices, and in particular relates to a sputum suction device for nursing in a surgical intensive care unit. Background Art

[0002] Severely ill patients generally refer to patients who are in critical condition and whose body functions have been severely damaged. They usually need a variety of medical equipment to help them maintain their lives. Special wards usually refer to wards in medical institutions that provide personalized medical services for specific patient groups, also known as intensive care units. These wards are usually equipped with more superior facilities and services to meet the special needs of patients. For some patients with breathing difficulties, not only do they need to use ventilators to provide passive breathing functions for patients, but they also need to use suction devices to suck out foreign objects in the patient's respiratory tract and assist their active breathing. The sputum in the respiratory tract is a viscous substance secreted by the respiratory mucosa, usually containing water, mucin, cell debris, bacteria, viruses, dust, etc. When the respiratory tract is infected, inflamed or has other diseases, the amount of sputum secreted will increase, and it may become more viscous or have a peculiar smell. Long-term or excessive accumulation of sputum in the respiratory tract may cause many harms to the patient's health. The accumulation of sputum will cause partial or complete obstruction of the airway, especially in the bronchioles and small airways. This obstruction makes it difficult for air to flow normally, resulting in poor airway ventilation and breathing difficulties. Long-term airway obstruction may cause or aggravate respiratory diseases, especially in patients with chronic bronchitis, asthma, chronic obstructive pulmonary disease (COPD), etc. If the sputum in the respiratory tract cannot be effectively cleared or managed, it may lead to a series of health problems, including airway obstruction, increased risk of infection, affected gas exchange, pulmonary complications, aggravated chronic respiratory diseases, increased cardiac burden, etc. Therefore, for patients with a large amount of sputum secretion, especially those with underlying diseases, it is particularly important to deal with sputum in a timely manner, improve airway patency, and avoid the spread of infection. Treatment methods include the use of expectorants, maintaining proper hydration, nebulization inhalation, physical therapy (such as expectoration posture, cough training), etc.

[0003] According to the patent with the announcement number CN 113069604 A, a lung clearing and expectoration device for respiratory care is proposed, which includes a cylindrical shell, a side of the shell is fixedly connected to a placement box, the inner wall of the shell is sealed and fixedly connected to a baffle, the baffle divides the space inside the shell into a storage chamber located on the upper side and a drive chamber located on the lower side, a cannula is provided at the central axis position of the shell, a through opening is opened in the cannula and the through opening is connected to the drive chamber, an inclined filter screen plate is provided below the through opening, the part of the cannula located in the drive chamber is provided with fan blades, and one end of the cannula located outside the shell is fixedly connected to a suction nozzle with a funnel structure. The advantages are: when the expectoration operation is performed through the nozzle, the sputum is assisted to be sucked out, reducing the patient's energy consumption, and when the fan blade reverses, the output rotates in the opposite direction to apply positive pressure to the filter screen plate, thereby recoil cleaning the filter screen plate to avoid blockage;

[0004] When suctioning a patient, in order to ensure that the patient's respiratory tract is in a normal state, the patient needs to be lifted up to a semi-recumbent position, and the patient's head needs to be facing forward at all times to avoid excessive twisting of the respiratory tract, thereby reducing airway compression. Traditional suction devices only provide a single suction measure and do not correct the patient's posture during suction, thereby failing to achieve the best suction effect.

[0005] Therefore, those skilled in the art have proposed a sputum suction device for surgical intensive care unit nursing to solve the problems raised by the background technology.

[0006] The above information disclosed in this background technology is only used to increase the understanding of the background technology of the present invention and therefore, it may include information that does not constitute the prior art known to ordinary technicians in this field. Summary of the invention

[0007] The object of the present invention is to provide a sputum suction device for nursing in a surgical intensive care unit to solve the problems raised in the above-mentioned background technology.

[0008] To achieve the above object, the present invention provides the following technical solutions:

[0009] A sputum suction device for nursing in a surgical intensive care unit, comprising:

[0010] A bearing mechanism, the bearing mechanism comprises a bed board body and leg straps and a backrest arranged at both ends of the bed board body, a bottom frame is fixedly connected to the lower surface of the bed board body, a movable slide groove is provided on one side of the bed board body, a movable slider is installed in the movable slide groove, the movable slider is slidably matched with the movable slide groove, one end of the movable slider is connected to a storage box, a first placement groove and a second placement groove are provided on the upper surface of the storage box, a waste liquid container and a negative pressure pump are respectively placed in the first placement groove and the second placement groove;

[0011] The positioning mechanism includes an adjustment component arranged on the backrest, the adjustment component is connected to a head positioning pad, the two ends of the head positioning pad are respectively hinged with a first limiting pad and a second limiting pad, one end of the first limiting pad is hinged with a pipeline positioning plate, the pipeline positioning plate is an arc-shaped plate structure, a surface of the pipeline positioning plate is provided with a pipe hole, and the pipe hole passes through the pipeline positioning plate.

[0012] Preferably, the adjustment component comprises an adjustment slot provided on the backrest, an adjustment slider is installed in the adjustment slot, the adjustment slider is slidably matched with the adjustment slot, and the head positioning pad is fixedly mounted on the adjustment slider.

[0013] Preferably, the first limiting pad and the second limiting pad are both connected with a connecting block, and the upper and lower surfaces of the connecting block are provided with positioning shafts, the positioning shaft is plugged into the head positioning pad, and a second locking thread is provided on the side surface of one end of the positioning shaft, and a second locking thread knob is screwed on the second locking thread.

[0014] Preferably, a fixing screw hole is provided on the upper surface of the pipeline positioning plate, the pipe hole is communicated with the fixing screw hole, and a pipeline fixing screw is threaded into the fixing screw hole.

[0015] Preferably, a plurality of wire management components are fixedly mounted on one surface of the second limiting pad, and the wire management components include a wire clamp and a wire storage groove provided on the wire clamp.

[0016] Preferably, a negative pressure pipe is connected to the upper surface of the negative pressure pump, one end of the negative pressure pipe is connected to a waste liquid container, and an extraction tube is connected to the waste liquid container.

[0017] Preferably, a pump control panel is provided on the containing box, the pump control panel is electrically connected to the negative pressure pump, and the pump control panel includes a digital display screen and control buttons.

[0018] Preferably, the leg strap and the backrest are respectively provided with a first movable shaft and a second movable shaft, and the leg strap and the backrest are respectively rotatably cooperated with the bed board body through the first movable shaft and the second movable shaft, a first locking thread is provided on the side surface of one end of the first movable shaft, and a first locking thread knob is screwed on the side surface of the first locking thread.

[0019] Preferably, a support frame is fixedly mounted on the upper surface of the base frame, an extension plate is fixedly connected to the lower surface of the bed board body, and the extension plate is connected to the support frame.

[0020] Preferably, a groove is provided on the extension plate, a mounting shaft is arranged in the groove, a lifting cylinder is movably connected to the side surface of the mounting shaft, one end of the lifting cylinder includes a telescopic shaft, a connecting block is provided at the end of the telescopic shaft away from the lifting cylinder, a hinge seat is installed on the lower surface of the backrest, and the connecting block is hinged to the hinge seat.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] (1) The present invention provides a backrest with an adjustment component. When suctioning is required for the patient, the patient can lie on the bed board body and adjust the folding angle of the backrest to put the patient in a semi-recumbent state. Then, according to the patient's height, the position of the head positioning pad is adjusted by sliding the adjustment slider and the adjustment slot, so that the patient's head is placed on the head positioning pad, wherein there is damping between the adjustment slider and the adjustment slot to achieve a fixed-point hovering effect. After the position of the head positioning pad is adjusted, the first limit pad and the second limit pad at both ends can be rotated to make them fit with the patient's cheek. After the rotation is completed, the second locking threaded knob is rotated to lock and fix the rotation angle of the first limit pad and the second limit pad. In this way, the patient's head direction can be positioned to prevent the patient's head from rotating during the suctioning process, causing deformation and compression of the trachea, thereby affecting the suctioning effect.

[0023] (2) The present invention provides a fixing screw hole with a pipeline fixing screw on the pipeline positioning plate, passes the extraction tube through the tube hole on the pipeline positioning plate, and after setting the length of the pipeline extending into the patient's body, the pipeline fixing screw can be lightly turned to lock and fix the position of the pipeline to prevent displacement during the extraction process, thereby causing discomfort to the patient. In addition, the device provides a wire clamp with a storage wire groove on the second limit pad, and the extraction tube can be placed in the storage wire groove, so that the extraction tube can be sorted and stored to prevent the extraction tube from bending and affecting the suction operation. By providing a leg support plate and a backrest with a first movable axis and a second movable axis, and installing a first locking threaded knob on the first movable axis, a lifting cylinder connected to the backrest is installed on the extension plate, and the pitch angle of the leg support plate can be adjusted through the first movable axis. At the same time, the lifting cylinder can be started to drive the backrest to fold through the telescopic axis, so that the patient's lying angle can be adjusted.

[0024] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a front perspective structural schematic diagram of the present invention;

[0026] Figure 2 It is a rear-view stereoscopic structural schematic diagram of the present invention;

[0027] Figure 3 It is a front view of the present invention;

[0028] Figure 4 It is a left side view of the present invention;

[0029] Figure 5 It is a schematic diagram of the specific structure of the head positioning pad of the present invention;

[0030] Figure 6 It is a schematic diagram of the specific structure of the containing box of the present invention.

[0031] In the figure: 1. bed board body; 2. first movable axis; 3. second movable axis; 4. leg rest; 5. backrest; 6. first locking thread knob; 7. bottom frame; 8. moving slide; 9. moving slide block; 10. storage box; 11. first placement slot; 12. second placement slot; 13. waste liquid container; 14. negative pressure pump; 15. negative pressure pipeline; 16. extraction tube; 17. pump control panel; 18. digital display; 19. control button; 20. adjustment slide ; 21. Adjustment slider; 22. Head positioning pad; 23. Connecting block; 24. Positioning shaft; 25. Second locking threaded knob; 26. First limit pad; 27. Second limit pad; 28. Pipe positioning plate; 29. ​​Pipe fixing screw; 30. Pipe hole; 31. Wire clamp; 32. Wire storage trough; 33. Support frame; 34. Extension plate; 35. Groove; 36. Installation shaft; 37. Lifting cylinder; 38. Telescopic shaft; 39. Connecting block; 40. Hinge seat. DETAILED DESCRIPTION

[0032] 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.

[0033] Embodiment 1:

[0034] See also Figure 1-Figure 6 As shown, a sputum suction device for nursing in a surgical intensive care unit comprises:

[0035] The bearing mechanism includes a bed board body 1 and a leg sling 4 and a backrest 5 arranged at both ends of the bed board body 1. A bottom frame 7 is fixedly connected to the lower surface of the bed board body 1. A movable slide 8 is provided on one side of the bed board body 1. A movable slider 9 is installed in the movable slide 8. The movable slider 9 is slidably matched with the movable slide 8. A receiving box 10 is connected to one end of the movable slider 9. A first placement groove 11 and a second placement groove 12 are provided on the upper surface of the receiving box 10. A waste liquid container 13 and a negative pressure pump 14 are respectively placed in the first placement groove 11 and the second placement groove 12;

[0036] The positioning mechanism includes an adjustment component arranged on the backrest 5, and a head positioning pad 22 is connected to the adjustment component. The first limiting pad 26 and the second limiting pad 27 are hinged at both ends of the head positioning pad 22, and one end of the first limiting pad 26 is hinged to a pipeline positioning plate 28. The pipeline positioning plate 28 is an arc-shaped plate structure, and a pipe hole 30 is opened on one surface of the pipeline positioning plate 28, and the pipe hole 30 runs through the pipeline positioning plate 28.

[0037] Specifically, the adjustment component includes an adjustment slot 20 provided on the backrest 5 , an adjustment slider 21 is installed in the adjustment slot 20 , the adjustment slider 21 is slidably matched with the adjustment slot 20 , and a head positioning pad 22 is fixedly installed on the adjustment slider 21 .

[0038] As can be seen from the above, the device is provided with a backrest 5 with an adjustment component. When it is necessary to perform suction operation on the patient, the patient can lie on the bed board body 1 and adjust the folding angle of the backrest 5 to put the patient in a semi-recumbent state. Then, according to the patient's height, the position of the head positioning pad 22 is adjusted by sliding the adjusting slider 21 and the adjusting slide groove 20 to allow the patient's head to be placed on the head positioning pad 22, wherein there is damping between the adjusting slider 21 and the adjusting slide groove 20, which can achieve the effect of fixed-point hovering. After adjusting the position of the head positioning pad 22, the first limiting pad 26 and the second limiting pad 27 at both ends can be rotated to make them fit with the patient's cheeks. After the rotation is completed, the second locking threaded knob 25 is rotated to lock and fix the rotation angle of the first limiting pad 26 and the second limiting pad 27, thereby positioning the patient's head direction to prevent the patient's head from rotating during the suction process, causing deformation and compression of the trachea, thereby affecting the suction effect.

[0039] Embodiment 2:

[0040] The bearing mechanism includes a bed board body 1 and a leg sling 4 and a backrest 5 arranged at both ends of the bed board body 1. A bottom frame 7 is fixedly connected to the lower surface of the bed board body 1. A movable slide 8 is provided on one side of the bed board body 1. A movable slider 9 is installed in the movable slide 8. The movable slider 9 is slidably matched with the movable slide 8. A receiving box 10 is connected to one end of the movable slider 9. A first placement groove 11 and a second placement groove 12 are provided on the upper surface of the receiving box 10. A waste liquid container 13 and a negative pressure pump 14 are respectively placed in the first placement groove 11 and the second placement groove 12;

[0041] The positioning mechanism includes an adjustment component arranged on the backrest 5, and a head positioning pad 22 is connected to the adjustment component. The first limiting pad 26 and the second limiting pad 27 are hinged at both ends of the head positioning pad 22, and one end of the first limiting pad 26 is hinged to a pipeline positioning plate 28. The pipeline positioning plate 28 is an arc-shaped plate structure, and a pipe hole 30 is opened on one surface of the pipeline positioning plate 28, and the pipe hole 30 runs through the pipeline positioning plate 28.

[0042] See also Figure 1-Figure 6 As shown, the first limiting pad 26 and the second limiting pad 27 are both connected to the connecting block 23, and the upper and lower surfaces of the connecting block 23 are provided with a positioning shaft 24, the positioning shaft 24 is plugged into the head positioning pad 22, and a second locking thread is provided on the side surface of one end of the positioning shaft 24, and a second locking thread knob 25 is screwed on the second locking thread.

[0043] Specifically, a fixing screw hole is opened on the upper surface of the pipeline positioning plate 28, the pipe hole 30 is connected to the fixing screw hole, and a pipeline fixing screw 29 is screwed into the fixing screw hole.

[0044] Specifically, a plurality of wire management components are fixedly mounted on one surface of the second limiting pad 27 . The wire management components include a wire clamp 31 and a wire storage groove 32 provided on the wire clamp 31 .

[0045] Specifically, a negative pressure pipe 15 is connected to the upper surface of the negative pressure pump 14, one end of the negative pressure pipe 15 is connected to the waste liquid container 13, and an extraction pipe 16 is connected to the waste liquid container 13. The negative pressure pump 14 can evacuate the waste liquid container 13 through the negative pressure pipe 15 to form a negative pressure inside the waste liquid container, and then the extraction pipe 16 can use the negative pressure effect to absorb sputum in the patient's respiratory tract.

[0046] Specifically, a pump control panel 17 is provided on the containing box 10 . The pump control panel 17 is electrically connected to the negative pressure pump 14 . The pump control panel 17 includes a digital display screen 18 and control buttons 19 .

[0047] As can be seen from the above, the device provides a fixing screw hole with a pipeline fixing screw 29 on the pipeline positioning plate 28, and the extraction tube 16 is passed through the tube hole 30 on the pipeline positioning plate 28. After the length of the pipeline inserted into the patient's body is set, the pipeline fixing screw 29 can be lightly turned to lock the pipeline position to prevent displacement during the extraction process and thus causing discomfort to the patient. In addition, the device provides a wire clamp 31 with a storage wire groove 32 on the second limiting pad 27, and the extraction tube 16 can be placed in the storage wire groove 32, so that the extraction tube 16 can be sorted and stored to prevent the extraction tube 16 from bending and affecting the suction operation.

[0048] Embodiment three:

[0049] See also Figure 1-Figure 6 As shown, the leg strap 4 and the backrest 5 are respectively provided with a first movable shaft 2 and a second movable shaft 3, and the leg strap 4 and the backrest 5 are respectively rotatably matched with the bed board body 1 through the first movable shaft 2 and the second movable shaft 3, and a first locking thread is provided on the side surface around one end of the first movable shaft 2, and a first locking thread knob 6 is screwed on the side surface around the first locking thread.

[0050] Specifically, a support frame 33 is fixedly installed on the upper surface of the base frame 7 , and an extension plate 34 is fixedly connected to the lower surface of the bed board body 1 , and the extension plate 34 is connected to the support frame 33 .

[0051] Specifically, a groove 35 is provided on the extension plate 34, and a mounting shaft 36 is arranged in the groove 35. A lifting cylinder 37 is movably connected to the side surface of the mounting shaft 36. One end of the lifting cylinder 37 includes a telescopic shaft 38. A connecting block 39 is provided at the end of the telescopic shaft 38 away from the lifting cylinder 37. A hinge seat 40 is installed on the lower surface of the backrest 5, and the connecting block 39 is hinged to the hinge seat 40.

[0052] As can be seen from the above, the device is provided with a leg strap 4 and a backrest 5 with a first movable axis 2 and a second movable axis 3, and a first locking threaded knob 6 is installed on the first movable axis 2, and a lifting cylinder 37 connected to the backrest 5 is installed on the extension plate 34. The pitch angle of the leg strap 4 can be adjusted through the first movable axis 2, and the lifting cylinder 37 can be started to drive the backrest 5 to fold through the telescopic axis 38, so that the patient's lying angle can be adjusted.

[0053] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0054] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0055] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0057] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0058] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0059] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sputum suction device for nursing in a surgical intensive care unit, characterized in that: include: A bearing mechanism, the bearing mechanism comprising a bed board body (1) and a leg support plate (4) and a backrest (5) arranged at both ends of the bed board body (1); a bottom frame (7) is fixedly connected to the lower surface of the bed board body (1); a movable slide groove (8) is provided on one side of the bed board body (1); a movable slider (9) is installed in the movable slide groove (8); the movable slider (9) and the movable slide groove (8) are slidably matched; one end of the movable slider (9) is connected to a storage box (10); a first placement groove (11) and a second placement groove (12) are provided on the upper surface of the storage box (10); a waste liquid container (13) and a negative pressure pump (14) are respectively placed in the first placement groove (11) and the second placement groove (12); A positioning mechanism, the positioning mechanism comprising an adjustment component arranged on a backrest (5), the adjustment component being connected to a head positioning pad (22), the two ends of the head positioning pad (22) being respectively hinged with a first limiting pad (26) and a second limiting pad (27), one end of the first limiting pad (26) being hinged with a pipeline positioning plate (28), the pipeline positioning plate (28) being an arc-shaped plate structure, a surface of the pipeline positioning plate (28) being provided with a pipe hole (30), the pipe hole (30) penetrating the pipeline positioning plate (28).

2. A sputum suction device for nursing in a surgical intensive care unit according to claim 1, characterized in that: The adjustment component comprises an adjustment slot (20) provided on the backrest (5), an adjustment slider (21) being installed in the adjustment slot (20), the adjustment slider (21) being slidably matched with the adjustment slot (20), and the head positioning pad (22) being fixedly installed on the adjustment slider (21).

3. A sputum suction device for nursing in a surgical intensive care unit according to claim 1, characterized in that: The first limiting pad (26) and the second limiting pad (27) are both connected to a connecting block (23), and the upper and lower surfaces of the connecting block (23) are both provided with a positioning shaft (24), and the positioning shaft (24) is plugged into the head positioning pad (22), and a second locking thread is provided on the side surface of one end of the positioning shaft (24), and a second locking thread knob (25) is screwed onto the second locking thread.

4. A sputum suction device for surgical intensive care unit nursing according to claim 1, characterized in that: A fixing screw hole is provided on the upper surface of the pipeline positioning plate (28), the pipe hole (30) is connected to the fixing screw hole, and a pipeline fixing screw (29) is screwed into the fixing screw hole.

5. The sputum suction device for surgical intensive care unit nursing according to claim 1, characterized in that: A plurality of wire management components are fixedly mounted on one surface of the second limiting pad (27), wherein the wire management components include a wire clamp (31) and a wire storage groove (32) provided on the wire clamp (31).

6. The sputum suction device for surgical intensive care unit nursing according to claim 1, characterized in that: The upper surface of the negative pressure pump (14) is connected to a negative pressure pipe (15), one end of the negative pressure pipe (15) is connected to a waste liquid container (13), and an extraction pipe (16) is connected to the waste liquid container (13).

7. The sputum suction device for surgical intensive care unit nursing according to claim 1, characterized in that: The containing box (10) is provided with a pump control panel (17), the pump control panel (17) is electrically connected to the negative pressure pump (14), and the pump control panel (17) comprises a digital display screen (18) and control buttons (19).

8. The sputum suction device for surgical intensive care unit nursing according to claim 1, characterized in that: The leg strap (4) and the backrest (5) are respectively provided with a first movable shaft (2) and a second movable shaft (3); the leg strap (4) and the backrest (5) are respectively rotatably matched with the bed board body (1) via the first movable shaft (2) and the second movable shaft (3); a first locking thread is provided on the side surface of one end of the first movable shaft (2); and a first locking thread knob (6) is screwed on the side surface of the first locking thread.

9. The sputum suction device for surgical intensive care unit nursing according to claim 1, characterized in that: A support frame (33) is fixedly mounted on the upper surface of the base frame (7), and an extension plate (34) is fixedly connected to the lower surface of the bed board body (1), wherein the extension plate (34) is connected to the support frame (33).

10. A sputum suction device for nursing in a surgical intensive care unit according to claim 9, characterized in that: The extension plate (34) is provided with a groove (35), a mounting shaft (36) is arranged in the groove (35), a lifting cylinder (37) is movably connected to the side surface of the mounting shaft (36), one end of the lifting cylinder (37) includes a telescopic shaft (38), and a connecting block (39) is arranged at the end of the telescopic shaft (38) away from the lifting cylinder (37), and a hinge seat (40) is installed on the lower surface of the backrest (5), and the connecting block (39) is hinged to the hinge seat (40).

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