CN220046650U

CN220046650U - Sputum aspirator

Info

Publication number: CN220046650U
Application number: CN202321670285.0U
Authority: CN
Inventors: 李飞燕; 黄义平; 符小芳; 段志勇; 骆晓靖; 李恒春; 苏伯扬; 周婷
Original assignee: Affiliated Hospital of Guangdong Medical University
Current assignee: Affiliated Hospital of Guangdong Medical University
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-11-21
Anticipated expiration: 2033-06-28

Abstract

The utility model relates to a sputum aspirator, comprising a sputum aspirator tube; the backflow preventer is provided with a cavity, one side of the backflow preventer is connected with the sputum suction pipe, and the cavity is communicated with the sputum suction pipe; the negative pressure structure is connected with one side of the backflow preventer, which is far away from the sputum suction tube, and is communicated with the cavity; the sputum collector is connected with the bottom of the backflow preventer and is communicated with the cavity; the anti-backflow device is provided with a first valve body and a second valve body, the first valve body is arranged in the cavity and is positioned at one side of the anti-backflow device far away from the negative pressure structure, and the first valve body is used for limiting air and liquid in the cavity to be discharged from the sputum suction tube; the second valve body is located between the first valve body and the negative pressure structure, and the cavity is communicated with the outside through the second valve body, and the second valve body is used for limiting outside air and liquid to enter the cavity through the second valve body.

Description

Sputum aspirator

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a sputum aspirator.

Background

Sputum aspiration is a common nursing operation in medical clinics, and is an effective measure for clearing up secretions of the respiratory tract. For patients with respiratory diseases, sputum is sucked by negative pressure to remove sputum in the oral cavity or the airway, so that the sputum is discharged, foreign matters and secretions in the airway, such as pathogenic bacteria in the airway, are removed, the ventilation state of the respiratory tract is improved, the oxygenation index of the patient is improved, the anoxic state of the patient is improved, the removal of the pathogenic bacteria is quickened and promoted, and the recovery of the diseases is facilitated.

The prior patent with publication number CN209004825U discloses a sputum aspirator, which comprises a sputum aspirator tube, a connector, a negative pressure structure and a liquid collecting structure, wherein the negative pressure structure is a negative pressure ball; when the sputum suction device is used, the negative pressure ball is extruded, so that air in the negative pressure ball is discharged through the connector and the sputum suction pipe, the tail end of the sputum suction pipe is placed at the sputum of a patient (the sputum is usually in the throat), the negative pressure ball is released (the negative pressure ball is not extruded any more), the negative pressure ball is enabled to suck air through the connector and the sputum suction pipe to recover the original state, and the sputum is sucked to the connector through the sputum suction pipe. At this time, if the negative pressure ball is pressed again, air in the negative pressure ball is discharged into the throat of the patient through the connector and the sputum aspirator tube, so that the patient is uncomfortable; if take out the sputum aspirator from patient's throat and extrude negative pressure ball again, place the sputum department of patient (the sputum is usually in the throat) and release negative pressure ball with the end of sputum aspirator again to realize inhaling the sputum again, it is comparatively loaded down with trivial details to shift into the operation of shifting out patient's throat with the sputum aspirator, leads to patient's discomfort easily, thereby is unfavorable for inhaling the sputum.

Disclosure of Invention

Based on this, it is an object of the present utility model to provide a sputum aspirator.

The above object of the present utility model is achieved by the following technical solutions:

a sputum aspirator, comprising:

a sputum aspirator tube;

the backflow preventer is provided with a cavity, one side of the backflow preventer is connected with the sputum suction pipe, and the cavity is communicated with the sputum suction pipe;

the negative pressure structure is connected with one side of the backflow preventer, which is far away from the sputum suction pipe, and is communicated with the cavity;

the sputum collector is connected with the bottom of the backflow preventer and is communicated with the cavity;

the backflow preventer is provided with a first valve body and a second valve body, the first valve body is arranged in the cavity and is positioned at one side of the backflow preventer, which is far away from the negative pressure structure, and the first valve body is used for limiting the air and liquid in the cavity from being discharged from the sputum suction pipe; the second valve body is located between the first valve body and the negative pressure structure, the cavity is communicated with the outside through the second valve body, and the second valve body is used for limiting outside air and liquid to enter the cavity through the second valve body.

The utility model is further provided with: the first valve body and the second valve body are both one-way valves.

The utility model is further provided with: the negative pressure structure comprises a sleeve, a piston and a driving rod, wherein the sleeve is connected with the backflow preventer, the piston is slidably connected in the sleeve, and the driving rod is connected with the piston and extends out of the sleeve.

The utility model is further provided with: the negative pressure structure also comprises an operating rod, and the operating rod is connected with the driving rod and is positioned outside the sleeve.

The utility model is further provided with: the sputum collector is a foldable bag.

The utility model is further provided with: one end of the sputum suction pipe, which is far away from the backflow preventer, is provided with a side hole for sucking sputum.

The utility model is further provided with: the sputum aspirator pipe is kept away from the one end of preventing flowing backwards ware is equipped with the scale.

The utility model is further provided with: the cavity is internally provided with a flow guide surface, and the sputum collector is positioned below the flow guide surface.

The utility model is further provided with: the cavity is internally provided with a baffle plate, and the baffle plate is positioned between the negative pressure structure and the sputum suction tube.

In summary, the beneficial technical effects of the utility model are as follows:

the utility model provides a sputum suction device, when in use, a negative pressure structure sucks air in a sputum suction pipe through a backflow preventer so as to realize that the sputum suction pipe sucks sputum of a patient; compared with the prior art, the sputum suction device has the advantages that the first valve body and the second valve body are arranged in the reflux preventing device, the first valve body is located at one side, far away from the negative pressure structure, of the reflux preventing device, when the sputum suction device is used, air in the sputum suction tube can penetrate through the first valve body to enter the cavity of the reflux preventing device, the first valve body limits liquid and air in the cavity to flow backwards to the sputum suction tube, the sputum in the cavity can flow to the sputum collector, air in the cavity is discharged out of the reflux preventing device through the second valve body, and the second valve body limits external air to enter the cavity through the second valve body; the first valve body drives air, liquid and the like in the backflow preventer not to enter the sputum suction tube so as to improve the experience of a patient during sputum suction; the liquid in the anti-backflow device flows to the sputum collector, air in the anti-backflow device is discharged through the second valve body, and when sputum is sucked for a patient, the problem of discharging the air and the sputum in the anti-backflow device is not needed to be considered, so that the experience of the patient in sputum suction is improved, and the sputum suction device is simple to operate and beneficial to the sputum suction of the patient. The sputum aspirator of the utility model has the advantage of convenient storage and portability. The sputum suction device integrates sputum suction, negative pressure suction and liquid storage, and has the advantage of convenience in cleaning; the combination can be disassembled according to the needs, so that the combination is flexible, and the workload of medical care can be reduced; the sputum aspirator is applicable to patient transportation, and the practicality is strong, and the operation degree of difficulty is low, is worth promoting.

For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.

Drawings

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Fig. 1 is a schematic view of the sputum aspirator according to the present utility model.

In the figure, 1, a sputum aspirator tube; 11. a side hole; 2. a backflow preventer; 21. a cavity; 22. a flow guiding surface; 23. a baffle; 3. a negative pressure structure; 31. a sleeve; 32. a piston; 33. a driving rod; 34. an operation lever; 4. a sputum collector; 5. a first valve body; 6. and a second valve body.

Detailed Description

Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible mentioned in this specification are defined with respect to their construction, and they are relative concepts. Therefore, the position and the use state of the device may be changed accordingly. These and other directional terms should not be construed as limiting terms.

The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of implementations consistent with aspects of the present disclosure.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a sputum aspirator disclosed by the utility model comprises a sputum aspirator tube 1, a backflow preventer 2, a negative pressure structure 3 and a sputum collector 4; wherein, the backflow preventer 2 is provided with a cavity 21, one side of the backflow preventer 2 is connected with the sputum aspirator 1, and the cavity 21 is communicated with the sputum aspirator 1; the negative pressure structure 3 is connected with one side of the backflow preventer 2 far away from the sputum aspirator tube 1, and the negative pressure structure 3 is communicated with the cavity 21; the sputum collector 4 is connected with the bottom of the backflow preventer 2, and the sputum collector 4 is communicated with the cavity 21. When the sputum suction device is used, the negative pressure structure 3 sucks air in the sputum suction pipe 1 through the backflow preventer 2 so as to suck sputum of a patient by the sputum suction pipe 1, and the sputum is sucked into the cavity 21 of the backflow preventer 2 and flows to the sputum collector 4 through the cavity 21 so as to suck the sputum. Alternatively, the sputum collector 4 is a collapsible bag by which it is easy to carry. The sputum aspirator tube 1 is made of flexible and stretchable material so as to facilitate carrying the sputum aspirator tube 1.

In some embodiments, the backflow preventer 2 is provided with a first valve body 5 and a second valve body 6, the first valve body 5 is arranged in the cavity 21 and is positioned on one side of the backflow preventer 2 away from the negative pressure structure 3, namely, the first valve body 5 is positioned on one side of the backflow preventer 2 close to the sputum aspirator tube 1, the first valve body 5 is used for limiting the air and liquid in the cavity 21 from being discharged from the sputum aspirator tube 1, and the first valve body 5 drives the air and liquid in the sputum aspirator tube 1 to enter the cavity 21 through the first valve body 5; the second valve body 6 is located between the first valve body 5 and the negative pressure structure 3, the cavity 21 is communicated with the outside through the second valve body 6, the second valve body 6 is used for limiting the outside air to enter the cavity 21 through the second valve body 6, the cavity 21 discharges the air and the liquid in the cavity 21 out of the cavity 21 through the second valve body 6, and the second valve body 6 is mainly used for discharging the air in the cavity 21 out of the cavity 21. Wherein, the first valve body 5 and the second valve body 6 are both one-way valves. When the sputum suction device is used, air and sputum in the sputum suction pipe 1 can pass through the first valve body 5 and enter the cavity 21 of the backflow preventer 2, the first valve body 5 limits liquid and air in the cavity 21 to flow back to the sputum suction pipe 1, sputum in the cavity 21 can flow to the sputum collector 4, air in the cavity 21 is discharged out of the backflow preventer 2 through the second valve body 6, and the second valve body 6 limits external air to enter the cavity 21 through the second valve body 6; the first valve body 5 drives air, liquid and the like in the backflow preventer 2 not to enter the sputum aspirator tube 1 so as to improve the experience of a patient during sputum aspiration; the liquid in the anti-backflow device 2 flows to the sputum collector 4, and the air in the anti-backflow device 2 is discharged through the second valve body 6, so that the problem of discharging the air and the sputum in the anti-backflow device 2 is not needed to be considered when the sputum is sucked by a patient, the experience of the patient during sputum suction is improved, and the anti-backflow device is simple to operate and is beneficial to the sputum suction of the patient.

In some embodiments, the negative pressure structure 3 includes a sleeve 31, a piston 32, a driving rod 33, and an operating rod 34, the sleeve 31 being connected to the backflow preventer 2, and the sleeve 31 being in communication with the cavity 21; the piston 32 is slidably connected in the sleeve 31, the driving rod 33 is connected with the piston 32 and extends out of the sleeve 31, the driving rod 33 extends away from the backflow preventer 2, the operating rod 34 is connected with the driving rod 33 and is located out of the sleeve 31, and the operating rod 34 is perpendicular to the driving rod 33. Pulling the operating rod 34, the operating rod 34 drives the driving rod 33 to move, and the driving rod 33 drives the piston 32 to move towards the opening direction of the sleeve 31, so that the sleeve 31 sucks air in the backflow preventer 2 and the sputum aspirator 1, and sputum aspirator 1 is used for aspirating sputum.

In some embodiments, a side hole 11 is arranged at one end of the sputum aspirator tube 1 far away from the backflow preventer 2, and the side hole 11 is used for assisting the sputum aspirator tube 1 to aspirate sputum, so as to improve the sputum aspiration efficiency. The one end that the sputum aspirator 1 kept away from and prevents flowing backwards ware 2 is equipped with the scale, when the operator stretches into patient's throat with sputum aspirator 1, can be according to the audio-visual degree of depth that the sputum aspirator 1 stretched into patient's throat of knowing of scale to the security when promoting to insert sputum aspirator 1 in patient's throat.

In some embodiments, a flow guiding surface 22 is provided in the cavity 21, and the sputum collector 4 is located below the flow guiding surface 22, and the flow guiding surface 22 is used for guiding sputum so as to facilitate the sputum to flow into the sputum collector 4. The cavity 21 is internally provided with a baffle plate 23, the baffle plate 23 is positioned between the negative pressure structure 3 and the sputum suction pipe 1, the baffle plate 23 is used for limiting sputum to be sucked into the negative pressure structure 3, and the baffle plate 23 is positioned above the flow guiding surface 22.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A sputum aspirator, comprising:

a sputum aspirator tube (1);

the anti-backflow device (2), a cavity (21) is formed in the anti-backflow device (2), one side of the anti-backflow device (2) is connected with the sputum suction tube (1), and the cavity (21) is communicated with the sputum suction tube (1);

the negative pressure structure (3), the negative pressure structure (3) is connected with one side of the backflow preventer (2) far away from the sputum aspirator tube (1), and the negative pressure structure (3) is communicated with the cavity (21);

the sputum collector (4) is connected with the bottom of the backflow preventer (2), and the sputum collector (4) is communicated with the cavity (21);

the backflow preventer (2) is provided with a first valve body (5) and a second valve body (6), the first valve body (5) is arranged in the cavity (21) and is positioned at one side of the backflow preventer (2) far away from the negative pressure structure (3), and the first valve body (5) is used for limiting air and liquid in the cavity (21) to be discharged from the sputum suction tube (1); the second valve body (6) is located between the first valve body (5) and the negative pressure structure (3), the cavity (21) is communicated with the outside through the second valve body (6), and the second valve body (6) is used for limiting outside air and liquid to enter the cavity (21) through the second valve body (6).

2. A sputum aspirator according to claim 1 wherein: the first valve body (5) and the second valve body (6) are one-way valves.

3. A sputum aspirator according to claim 1 wherein: negative pressure structure (3) include sleeve (31), piston (32) and actuating lever (33), sleeve (31) with prevent that backflow ware (2) are connected, piston (32) slidable connection is in sleeve (31), actuating lever (33) with piston (32) are connected and stretch out sleeve (31).

4. A sputum aspirator according to claim 3 wherein: the negative pressure structure (3) further comprises an operating rod (34), and the operating rod (34) is connected with the driving rod (33) and is positioned outside the sleeve (31).

5. A sputum aspirator according to claim 1 wherein: the sputum collector (4) is a foldable bag.

6. A sputum aspirator according to claim 1 wherein: one end of the sputum suction pipe (1) far away from the backflow preventer (2) is provided with a side hole (11) for sucking sputum.

7. A sputum aspirator according to claim 1 wherein: the sputum suction pipe (1) is far away from one end of the backflow preventer (2) is provided with scales.

8. A sputum aspirator according to claim 1 wherein: a flow guide surface (22) is arranged in the cavity (21), and the sputum collector (4) is positioned below the flow guide surface (22).

9. A sputum aspirator according to claim 1 wherein: a baffle (23) is arranged in the cavity (21), and the baffle (23) is positioned between the negative pressure structure (3) and the sputum suction tube (1).