Sputum suction device for nursing

By designing control and adjustment components to regulate the suction power of the suction device, the problem of difficulty in adjusting the magnitude of negative pressure suction was solved, enabling flexible adjustment of the suction tube suction power and improving patient comfort and suctioning effectiveness.

CN223601748UActive Publication Date: 2025-11-28CHONGQING JIULONGPO DISTRICT PEOPLES HOSPITAL
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Patent Information

Application Number
CN202422497595.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-11-28
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

The negative pressure suction of existing suction devices is difficult to adjust, resulting in poor patient comfort and suctioning effectiveness.

Method used

A suction device for nursing use was designed. The suction force of the suction tube can be adjusted by control components and adjustment components. Negative pressure is provided by a negative pressure suction device, and the suction force of the suction tube can be adjusted by controlling the amount of outside air entering.

Benefits of technology

It enables flexible adjustment of the suction force of the suction tube according to the viscosity of the sputum, meeting different suctioning needs and avoiding damage to the patient's airway.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223601748U_ABST
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Abstract

The utility model belongs to the technical field of sputum suction in the pneumology department, and particularly relates to a sputum suction device for nursing. According to the technology, a sputum suction pipe is horizontally arranged, a branch pipe communicated with the sputum suction pipe is installed on the sputum suction pipe, a control assembly used for controlling opening and closing of the branch pipe is arranged at the top of the branch pipe, a shell communicated with the sputum suction pipe is fixed to the sputum suction pipe, a vertical plate is vertically fixed in the shell, and the shell is divided into a left cavity and a right cavity by the vertical plate; an adjusting assembly used for adjusting the suction force of the sputum suction pipe is arranged in the left cavity. According to the sputum suction device, negative pressure is provided for the sputum suction pipe through the negative pressure aspirator, in the sputum suction process, the control assembly closes the branch pipe, under the action of the adjusting assembly, the suction force of the sputum suction pipe is adjusted by adjusting the amount of external air entering the sputum suction pipe, and different sputum suction requirements are met.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the sputum suction technical field of respiratory department, especially a sputum suction device for nursing. BACKGROUND

[0002] Sputum suction refers to a method of sucking out the respiratory tract secretions through the oral cavity, nasal cavity, and artificial airway to maintain the respiratory tract unobstructed and prevent complications such as aspiration pneumonia, atelectasis, and suffocation.

[0003] Currently, sputum suction devices help patients to suck out sputum or other secretions in the respiratory tract, and the size of negative pressure suction force has a significant impact on the sputum suction effect and patient comfort. Excessive negative pressure suction force may cause discomfort to the patient, and even cause harm, while insufficient negative pressure suction force may not effectively remove sputum. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a sputum suction device for nursing, which has a flexible structure and can adjust the suction force of the sputum suction tube according to needs.

[0005] The sputum suction device for nursing comprises a sputum suction tube arranged horizontally, a branch pipe connected to the sputum suction tube is installed on the sputum suction tube, and a control assembly for controlling the opening and closing of the branch pipe is arranged at the top of the branch pipe. The control assembly comprises a top cover installed at the top of the branch pipe, a first air hole is formed in the top cover to communicate with the top and bottom of the top cover, a fixed plate is fixed horizontally at the upper end of the branch pipe, and a second air hole is formed in the fixed plate to communicate with the top and bottom of the fixed plate. A shell connected to the sputum suction tube is fixed on the sputum suction tube, a vertical plate is fixed vertically in the shell, the vertical plate divides the shell into left and right cavities, an adjusting assembly for adjusting the suction force of the sputum suction tube is arranged in the left cavity, and the adjusting assembly comprises a moving plate arranged vertically in the left cavity, a plug fixed on the right side wall of the moving plate, the plug has a left large and right small circular table structure, an air groove matched with the plug is formed in the vertical plate, a through groove is formed in the moving plate to communicate with the left and right sides of the moving plate, an air hole is formed in the left side wall of the shell to communicate with the inside and outside of the shell, and a driving assembly for driving the moving plate to move is arranged on the left side of the moving plate. The driving assembly comprises a screw rod, a screw hole is formed in the left side wall of the shell to communicate with the left and right sides of the screw hole, the screw rod is horizontally inserted into the screw hole, a rotating plate is fixed at the right end of the screw rod, and a limiting plate is installed on the left side wall of the moving plate to limit the rotating plate on the moving plate.

[0006] Further, a connecting hole is formed in the sputum suction tube to communicate with the inside and outside of the sputum suction tube, and the right cavity communicates with the sputum suction tube through the connecting hole.

[0007] Further, a sealing ring is arranged between the outer side wall of the moving plate and the inner side wall of the shell.

[0008] Further, the upper end of the branch pipe has a funnel structure, a snap ring is fixed at the bottom of the top cover, and the snap ring is sleeved on the outer side wall of the branch pipe.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] In the utility model, the negative pressure aspirator provides negative pressure for the sputum suction tube, the control assembly closes the branch pipe during sputum suction, and the amount of external air entering the sputum suction tube is adjusted under the action of the adjusting assembly to adjust the suction force of the sputum suction tube, thereby meeting different sputum suction requirements. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model;

[0012] Figure 2 It is a front side view of Figure 1 ;

[0013] Figure 3 It is a front side view of Figure 1 ;

[0014] Names of components in the drawing: 1, sputum suction tube 2, screw rod 3, plug 4, air vent groove 5, vertical plate 6, first air vent hole 7, fixed plate 8, second air vent hole 9, top cover 10, clasp 11, branch pipe 12, shell 13, connecting hole 14, right cavity 15, air vent hole 16, left cavity 17, sealing ring 18, moving plate 19, through groove 20, rotating plate 21, limiting plate. DETAILED DESCRIPTION

[0015] The utility model is further described in connection with the drawings through specific embodiments, but is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model. Example 1

[0016] The sputum suction device for nursing described in the embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , comprises a horizontally arranged sputum suction tube 1, the left end of the sputum suction tube 1 is used for connecting a hose placed into the respiratory tract of a patient, and the right end of the sputum suction tube 1 is used for connecting a negative pressure device, such as a central negative pressure system or a negative pressure aspirator in an operating room;

[0017] The sputum suction tube 1 is provided with a branch pipe 11 communicated with the sputum suction tube 1, and a through hole communicated between the inside and outside of the sputum suction tube 1 is formed in the sputum suction tube 1, and the lower end of the branch pipe 11 is arranged in the through hole;

[0018] The top of the branch pipe 11 is provided with a top cover 9, which is sleeved on the top of the branch pipe 11 and can rotate freely; the top cover 9 is provided with a first air hole 6 which is communicated with the top and bottom and is eccentrically arranged on the top of the top cover 9; when the top cover 9 rotates, the first air hole 6 rotates; the upper end of the branch pipe 11 is horizontally fixed with a fixed plate 7, the fixed plate 7 is provided with a second air hole 8 which is communicated with the top and bottom and is eccentrically arranged on the fixed plate 7; when the top cover 9 rotates, the first air hole 6 is aligned with the second air hole 8, and the external air enters the branch pipe 11; after the first air hole 6 deviates from the second air hole 8, the top cover 9 blocks the second air hole 8; the whole text constitutes a control assembly for controlling the opening and closing of the branch pipe 11; when the control assembly is used, the top cover 9 is rotated, when the first air hole 6 is aligned with the second air hole 8, the external air enters the branch pipe 11, balances the suction of the sputum suction tube 1, and makes the sputum suction tube 1 lose the suction; when the first air hole 6 deviates from the second air hole 8, the top cover 9 blocks the second air hole 8;

[0019] The sputum suction tube 1 is fixed with a shell 12 which is communicated with the sputum suction tube 1, and the shell 12 is fixed on the sputum suction tube 1;

[0020] The shell 12 is vertically fixed with a vertical plate 5 which divides the shell 12 into left and right cavities; the vertical plate 5 is vertically fixed in the shell 12 and divides the internal space of the shell 12 into a left cavity 16 and a right cavity 14; the right cavity 14 is communicated with the sputum suction tube 1;

[0021] The left cavity 16 is vertically provided with a moving plate 18, which is vertically arranged in the left cavity 16 and slides leftward and rightward along the length direction of the shell 12; the right side wall of the moving plate 18 is fixed with an insertion block 3, which is in the structure of a left large right small circular table, the left end of the insertion block 3 is fixed on the right side wall of the moving plate 18, and the right end of the insertion block 3 is inserted into the ventilation groove 4; the vertical plate 5 is provided with the ventilation groove 4 matched with the insertion block 3, the groove wall of the ventilation groove 4 is in an inclined structure, when the right end of the insertion block 3 is inserted into the ventilation groove 4, the spacing between the outer side wall of the insertion block 3 and the inner side wall of the ventilation groove 4 gradually decreases, the air passing through the ventilation groove 4 per unit time is reduced, and the suction force of the sputum suction tube 1 is adjusted; the moving plate 18 is provided with a through groove 19 communicating leftward and rightward, the air on the left side of the moving plate 18 enters the right side of the moving plate 18 through the through groove 19; the left side wall of the shell 12 is provided with an air vent 15 communicating inside and outside, the outside air enters the left side of the moving plate 18 through the air vent 15; the left side of the shell 12 is horizontally provided with a screw rod 2, the left side wall of the shell 12 is provided with a threaded hole communicating leftward and rightward, the screw rod 2 is horizontally arranged in the threaded hole and is in threaded cooperation with the threaded hole, the right end of the screw rod 2 is controlled to move leftward and rightward in the shell 12 by rotating the screw rod 2; the right end of the screw rod 2 is fixed with a rotating plate 20, when the screw rod 2 moves, the rotating plate 20 moves leftward and rightward together; the left side wall of the moving plate 18 is installed with a limiting plate 21 vertically arranging the rotating plate 20 on the left side of the moving plate 18, the limiting plate 21 is two, the limiting plate 21 is in the structure of an "L", the two limiting plates 21 are symmetrical about the center of the rotating plate 20, the two limiting plates 21 limit the rotating plate 20, do not affect the rotation of the rotating plate 20, and make the rotating plate 20 stick to the moving plate 18, so that the rotating plate 20 can drive the moving plate 18 to move leftward and rightward together; the whole paragraph constitutes a driving assembly for driving the moving plate 18 to move, when the driving assembly is used, the left end of the screw rod 2 is rotated, the right end of the screw rod 2 moves leftward and rightward in the shell 12, the rotating plate 20 moves leftward and rightward together with the screw rod 2, the limiting of the limiting plate 21 to the rotating plate 20 makes the moving plate 18 move leftward and rightward together with the rotating plate 20; the whole paragraph constitutes an adjusting assembly for adjusting the suction force of the sputum suction tube 1, when the adjusting assembly is used, the outside air enters the left cavity 16 on the left side of the moving plate 18 through the air vent 15, then enters the left cavity 16 on the right side of the moving plate 18 through the through groove 19, then enters the right cavity 14 through the gap between the outer side wall of the insertion block 3 and the inner side wall of the ventilation groove 4, and finally enters the sputum suction tube 1, which is used for balancing the suction force in the sputum suction tube 1; in this process, the moving plate 18 is driven by the driving assembly to move in the left cavity 16, the depth of the right end of the insertion block 3 inserted into the ventilation groove 4 is adjusted, the gap between the insertion block 3 and the ventilation groove 4 is adjusted, the air passing through the gap is controlled, and the suction force of the sputum suction tube 1 is adjusted.Of course, the adjusting assembly can also be provided with two plug blocks 3, both of which are fixed on the right side wall of the moving plate 18, and two air vent grooves 4 matched with the plug blocks 3 are formed on the vertical plate 5, so that the suction adjusting force is improved through the two plug blocks 3 and the air vent grooves 4.

[0022] In use, the sputum suction hose is connected to the left end of the sputum suction tube 1, the negative pressure aspirator is connected to the right end of the sputum suction tube 1, the branch pipe 11 is closed through the control assembly, the amount of external air entering the sputum suction tube 1 is adjusted through the adjusting assembly, the suction force in the sputum suction tube 1 is adjusted according to the viscosity of the sputum, different sputum suction requirements are met, and after the sputum suction is completed, the branch pipe 11 is opened through the control assembly, so that the sputum suction tube 1 loses the suction force, and the respiratory tract of the patient is prevented from being damaged. Embodiment 2

[0023] The technology is further illustrated in this embodiment, as shown in Figure 1 The connecting hole 13 is formed in the sputum suction tube 1 and communicates with the inside and outside, the right cavity 14 communicates with the sputum suction tube 1 through the connecting hole 13, and the gas in the right cavity 14 enters the sputum suction tube 1 through the connecting hole 13 to balance the suction force in the sputum suction tube 1. Embodiment 3

[0024] The technology is further illustrated in this embodiment, as shown in Figure 3 The sealing ring 17 is arranged between the outer side wall of the moving plate 18 and the inner side wall of the shell 12, the sealing ring 17 is sleeved on the outer side wall of the moving plate 18, the airtightness between the moving plate 18 and the shell 12 is improved, and air flow between the moving plate 18 and the shell 12 is avoided. Embodiment 4

[0025] The technology is further illustrated in this embodiment, as shown in Figure 1 The top cover 9 is fixed with the snap ring 10 at the bottom, the snap ring 10 is sleeved on the outer side wall of the branch pipe 11, the snap ring 10 is sleeved on the inclined side wall of the branch pipe 11, the snap ring 10 is limited to the top cover 9, and the top cover 9 is prevented from falling off the branch pipe 11.

Claims

1. A sputum suction device for nursing, comprising a horizontally arranged sputum suction tube (1), a branch tube (11) being installed on the sputum suction tube (1) and communicating with the sputum suction tube (1), characterized in that: The branch pipe (11) is provided with a control assembly at the top for controlling the opening and closing of the branch pipe (11); The control assembly comprises a top cover (9) installed at the top of the branch pipe (11), and the top cover (9) is provided with a first air hole (6) communicating upward and downward; the upper end of the branch pipe (11) is horizontally fixed with a fixed plate (7), and the fixed plate (7) is provided with a second air hole (8) communicating upward and downward; The sputum suction tube (1) is fixed with a shell (12) communicating with the sputum suction tube (1), and the shell (12) is vertically fixed with a vertical plate (5) dividing the shell (12) into left and right cavities; the left cavity (16) is provided with an adjusting assembly for adjusting the suction force of the sputum suction tube (1); The adjusting assembly comprises a moving plate (18) vertically arranged in the left cavity (16), and the right side wall of the moving plate (18) is fixed with an insertion block (3) in the shape of a left large right small circular table structure; the vertical plate (5) is provided with an air passage (4) matched with the insertion block (3); the moving plate (18) is provided with a through slot (19) communicating left and right; the left side wall of the shell (12) is provided with an air hole (15) communicating inside and outside; and the left side of the moving plate (18) is provided with a driving assembly for driving the moving plate (18) to move; The driving assembly comprises a screw rod (2), and the left side wall of the shell (12) is provided with a screw hole communicating left and right; the screw rod (2) is horizontally arranged in the screw hole; the right end of the screw rod (2) is fixed with a rotating plate (20); and the left side wall of the moving plate (18) is provided with a limiting plate (21) for attaching the rotating plate (20) to the moving plate (18).

2. The sputum suction device for nursing according to claim 1, characterized by: The sputum suction tube (1) is provided with a connecting hole (13) communicating inside and outside; and the right cavity (14) communicates with the sputum suction tube (1) through the connecting hole (13).

3. The sputum suction device for nursing according to claim 1, wherein: A sealing ring (17) is arranged between the outer side wall of the moving plate (18) and the inner side wall of the shell (12).

4. The sputum suction device for nursing according to claim 1, wherein: The upper end of the branch pipe (11) is in the shape of a funnel; the bottom of the top cover (9) is fixed with a snap ring (10) sleeved on the outer side wall of the branch pipe (11).