Saliva aspirator for oral care

By introducing an angle adjustment component into the oral care saliva suction device, the problem of the inability to adjust the angle of the suction tube in the existing technology has been solved, realizing flexible adjustment of the suction tube angle and convenient operation, improving the patient care experience and the clarity of the doctor's field of vision.

CN223614957UActive Publication Date: 2025-12-02DENTAL HOSPITAL AFFILIATED TO GUANGXI MEDICAL UNIV (DENTAL HOSPITAL OF GUANGXI ZHUANG AUTONOMOUS REGION)
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Patent Information

Application Number
CN202520626672.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-04
Publication Date
2025-12-02
Estimated Expiration
2035-04-04

AI Technical Summary

Technical Problem

Existing oral saliva suction devices cannot adjust the angle of the suction tube, leading to operational interruptions, poor patient care experience, and obstruction of the doctor's field of vision.

Method used

A saliva suction device with an angle adjustment component was designed, including a rotating cylinder, a finger plate, an elastic plate, and a locking plate. The angle of the suction tube can be adjusted by rotating the cylinder and engaging the positioning groove of the elastic plate, thus avoiding the need to remove the suction tube for readjustment.

Benefits of technology

It enables flexible adjustment of the saliva suction tube angle, eliminating the need to remove it from the mouth, thus improving the convenience of operation and the clarity of vision, and enhancing the patient care experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a saliva pump for oral care, and belongs to the technical field of medical instruments. Comprising a negative pressure suction machine, a suction pipe is installed on the negative pressure suction machine, a handle is fixedly connected to the end, away from the negative pressure suction machine, of the suction pipe, universal wheels are symmetrically installed at the bottom of the negative pressure suction machine, and a storage table is arranged at the top of the negative pressure suction machine; the angle adjusting assembly is used for assisting an operator in adjusting the saliva suction angle, and the angle adjusting assembly is connected with the handle. The angle of the saliva suction tube can be adjusted, the operation can be carried out without taking the saliva suction tube out of the oral cavity of a patient, the holding gesture does not need to be changed, the operation is convenient, a saliva suction gap for taking the saliva suction tube out of the oral cavity to change the angle is avoided, a clear visual field can be provided for nursing of a doctor, and the operation is convenient. The nursing experience of the patient can be improved, and an elastic piece is arranged in a handle, so that a clamping plate can be driven to be clamped with a positioning groove formed in a rotating cylinder.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a saliva suction device for oral care. Background Technology

[0002] An oral saliva aspirator is a medical device typically used during oral surgery or treatment. Its function is to remove saliva, blood, exudate, or other liquids from the mouth to keep the surgical area clean and dry, facilitating the doctor's operation and observation.

[0003] In actual operation, because saliva concentrates in different positions in the oral cavity, the person performing the suction needs to change their grip or adjust the angle of the suction tube according to the position of the saliva to meet the suction needs. Since existing saliva suction devices do not have the function of adjusting the angle of the suction tube, and are limited by the operating space and wrist adjustment angle, in order to ensure sufficient suction, the person performing the suction needs to remove the suction tube from the patient's mouth to adjust the angle or change the grip. This process will cause the suction to be interrupted, which will affect the patient's oral cavity care experience. Moreover, untimely suction will also affect the doctor's operating field of vision. Therefore, this application provides a saliva suction device for oral care to meet the needs. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a saliva suction device for oral care, which not only allows for adjustment of the angle of the suction tube, but also allows for operation without removing the suction tube from the patient's mouth or changing the grip, making it convenient to operate. It avoids the gap in suctioning caused by removing the suction tube from the mouth to change the angle, provides doctors with a clear field of vision for nursing care, and also improves the patient's nursing experience, thereby solving existing problems.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A saliva suction device for oral care includes a negative pressure suction machine, a suction tube installed on the negative pressure suction machine, a handle fixedly connected to the end of the suction tube away from the negative pressure suction machine, casters symmetrically installed on the bottom of the negative pressure suction machine, and a storage platform on the top of the negative pressure suction machine; an angle adjustment component for assisting the operator in adjusting the suction angle, the angle adjustment component being connected to the handle.

[0007] Optionally, the angle adjustment assembly includes a rotating cylinder rotatably connected to the outside of the handle, with multiple finger plates fixedly connected at equal intervals to the outside of the rotating cylinder, and an installation groove provided inside the handle, with an elastic piece disposed inside the installation groove.

[0008] Optionally, recesses are provided on both sides of the finger plate, and anti-slip pads are fixedly connected to the outer side of the recesses. Lightweight holes are provided inside the finger plate.

[0009] Optionally, a retaining plate is fixedly connected to the upper surface of the elastic sheet, and two protrusions are provided at the bottom of the elastic sheet.

[0010] Optionally, multiple positioning grooves are equidistantly provided on the inner wall of the rotating drum, and the top of the card plate extends into the positioning grooves.

[0011] Optionally, two bosses are fixedly connected to the bottom of the inner wall of the mounting groove, and both bosses extend into the interior of the protrusion.

[0012] Optionally, a fixed cylinder is fixedly connected inside the handle, a bearing is fixedly connected to the inner side of the fixed cylinder, a connecting cylinder is installed on the inner wall of the bearing, and the outer wall of the connecting cylinder is fixedly connected to the rotating cylinder.

[0013] Optionally, a sealing baffle is fitted and fixed on the outside of the connecting cylinder and between the rotating cylinder side wall and the bearing, with one side of the sealing baffle contacting the end face of the fixed cylinder.

[0014] Optionally, a plug-in tube is installed inside the connecting tube, and a rubber tube is fixedly connected to the end of the plug-in tube away from the connecting tube, and the front end of the rubber tube is provided with an outward flared part.

[0015] Optionally, a saliva suction tube is inserted into the inside of the plug tube, with one end of the saliva suction tube penetrating through the rubber tube and extending to the outside of the rubber tube.

[0016] Compared with the prior art, this utility model has at least the following beneficial effects:

[0017] In the above-mentioned solution, the saliva suction device provided by this application can not only adjust the angle of the suction tube, but also can be operated without removing the suction tube from the patient's mouth, and does not require changing the grip gesture. It is convenient to operate, avoids the gap in saliva suction caused by removing the suction tube from the mouth to change the angle, provides doctors with a clear field of vision for nursing care, and can also improve the patient's nursing experience.

[0018] By setting multiple finger plates on the rotating drum, users can easily drive the drum to rotate using the finger plates. Both sides of the finger plates have recessed parts, allowing the index finger to fall into the recessed parts during operation. The recessed parts are also equipped with anti-slip pads to prevent the fingers from slipping when the drum is rotated by the finger plates, thus ensuring the stability of the angle adjustment.

[0019] By setting an elastic piece inside the handle, it can drive the locking plate to engage with the positioning groove inside the rotating drum, thereby positioning the rotating drum after angle adjustment and preventing the suction tube from rotating during suction, thus ensuring the stability of suction.

[0020] The rubber tube at the front end of the connector can contact the outer wall of the saliva suction tube, which can help fix the saliva suction tube and prevent it from falling off due to unstable connection between the saliva suction tube and the connector. It is worth mentioning that the front end of the rubber tube is provided with an outward-flaring part, which can play a guiding role when inserting the saliva suction tube to improve the speed of insertion. Attached Figure Description

[0021] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present invention and, together with the specification, further serve to explain the principles of the present invention and enable those skilled in the art to implement and use the present invention.

[0022] Figure 1 This is a three-dimensional structural diagram of a saliva extractor;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the handle;

[0024] Figure 3 A schematic diagram of the internal structure of the handle cut open;

[0025] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0026] Figure 5 This is a schematic diagram of the internal structure of the rotating drum;

[0027] Figure 6 This is a schematic diagram showing the separation of the fixed cylinder and the connecting cylinder.

[0028] Figure label:

[0029] 1. Negative pressure suction machine; 2. Suction tube; 3. Handle; 4. Rotary drum; 5. Finger plate; 501. Recessed part; 502. Anti-slip pad; 503. Lightweight hole; 6. Positioning groove; 7. Mounting groove; 8. Elastic sheet; 801. Clamping plate; 802. Protrusion; 9. Boss; 10. Fixing cylinder; 11. Bearing; 12. Connecting cylinder; 13. Sealing baffle; 14. Insertion cylinder; 15. Rubber cylinder; 151. Outward fold; 16. Saliva suction tube.

[0030] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiment of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0031] The present invention provides a saliva suction device for oral care in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0032] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0033] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0034] It is understood that the meanings of “on”, “above”, and “above” in this utility model should be interpreted in the broadest manner, such that “on” not only means “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” not only means “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0035] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0036] like Figures 1 to 3As shown, an embodiment of this utility model provides a saliva suction device for oral care, including a negative pressure suction machine 1, a suction tube 2 installed on the negative pressure suction machine 1, the suction tube 2 being connected to a vacuum generator inside the negative pressure suction machine 1, a handle 3 being fixedly connected to the end of the suction tube 2 away from the negative pressure suction machine 1, a suction adjustment component being provided on the handle 3 for adjusting the negative pressure of saliva suction, universal wheels being symmetrically installed on the bottom of the negative pressure suction machine 1, a storage platform being provided on the top of the negative pressure suction machine 1, a semi-circular opening being provided on the storage platform for placing the handle 3; and an angle adjustment component, which is used to assist the operator in adjusting the angle of saliva suction, the angle adjustment component being connected to the handle 3. The angle adjustment component can not only adjust the angle of the suction tube 16, but also can be operated without removing the suction tube 16 from the patient's mouth, and without changing the grip gesture, making operation convenient, avoiding the gap in saliva suction caused by removing the suction tube 16 from the mouth to change the angle, providing a clear view for the doctor's care, and also improving the patient's care experience.

[0037] In this embodiment, as Figures 2 to 5As shown, the angle adjustment assembly includes a rotating cylinder 4 rotatably connected to the outside of the handle 3. Multiple finger plates 5 are equidistantly fixed to the outside of the rotating cylinder 4. The multiple finger plates 5 allow the index finger to quickly select the nearest finger when rotating the cylinder 4, and also assist the index finger in more easily rotating and stopping the rotating cylinder 4. Recesses 501 are provided on both sides of each finger plate 5, and anti-slip pads 502 are fixedly connected to the outside of each recess 501. The anti-slip pads 502 are made of rubber or silicone, allowing the index finger to fall into the recess 501 during operation. The anti-slip pads 502 in the recesses 501 prevent hand slippage when rotating the cylinder 4 via the finger plates 5. To ensure stability of angle adjustment during sliding, the finger plate 5 has lightweight holes 503 inside. These holes reduce the weight of the entire handle 3, improving grip comfort. The handle 3 has a mounting groove 7 inside, containing a removable elastic piece 8 made of plastic. When the elastic piece 8 loses its elasticity, it can be removed and replaced. A retaining plate 801 is fixedly connected to the upper surface of the elastic piece 8. Multiple positioning grooves 6 are evenly spaced on the inner wall of the rotating cylinder 4. The top of the retaining plate 801 extends into the positioning grooves 6. The elastic properties of the elastic plate 8 allow it to move the clamping plate 801 outwards, thus inserting it into the positioning groove 6 inside the rotating cylinder 4. Therefore, once the rotating cylinder 4 has been adjusted, the clamping plate 801 can be inserted into the positioning groove 6 to position it, ensuring the stability of the suction tube 16. The bottom of the elastic plate 8 has two protrusions 802, and the bottom of the inner wall of the mounting groove 7 is fixedly connected to two bosses 9, both extending into the interior of the protrusions 802. Since the protrusions 802 on the elastic plate 8 match the contours of the bosses 9, when the elastic plate 8 is installed into the mounting groove 7, the bosses 9 engage with the recessed areas of the protrusions 802. The elastic plate 8 can be positioned to prevent it from slipping off the inner wall of the mounting groove 7, which improves the stability of the installation of the elastic plate 8. When adjusting the angle, the elastic plate 8 is squeezed by the thumb and middle finger, which causes the elastic plate 8 to slide out of the positioning groove 6. At this time, the rotating cylinder 4 can be rotated by the index finger and finger plate 5, thereby realizing the angle adjustment of the saliva suction tube 16. This makes it convenient for the operator to suction saliva in different parts of the mouth without having to remove the saliva suction tube 16 from the mouth. At the same time, the operation can be completed with only one hand. It is not only fast, but also has no suction interval and does not obstruct the view.

[0038] In this embodiment, as Figures 3 to 6As shown, a fixed cylinder 10 is fixedly connected inside the handle 3. A bearing 11 is fixedly connected to the inner side of the fixed cylinder 10. A connecting cylinder 12 is installed on the inner wall of the bearing 11. The outer wall of the connecting cylinder 12 is fixedly connected to the rotating cylinder 4. The connecting cylinder 12 and the rotating cylinder 4 are fixed together. Therefore, when the rotating cylinder 4 rotates, it can drive the connecting cylinder 12 to rotate, thereby realizing the linkage of adjustment. A sealing baffle 13 is sleeved and fixed on the outer side of the connecting cylinder 12 and between the side wall of the rotating cylinder 4 and the bearing 11. One side of the sealing baffle 13 contacts the end face of the fixed cylinder 10. The fixed cylinder 10 is fixed to the opening of the handle 3 by adhesive. Since the outer wall of the bearing 11 is fixed to the inner wall of the fixed cylinder 10, and the connecting cylinder 12 is fixed to the inner wall of the bearing 11, the connecting cylinder 12 can rotate. The outer wall of the connecting cylinder 12 contacts the inner wall of the handle 3, which can seal the channel. The sealing baffle 13 contacts the front end face of the fixed cylinder 10, which can achieve secondary sealing of the handle 3, preventing external air from entering during saliva suction and ensuring the efficiency of saliva suction.

[0039] In this embodiment, as Figure 1 and Figure 6 As shown, a connector tube 14 is installed inside the connecting tube 12. A rubber tube 15 is fixedly connected to one end of the connector tube 14 away from the connecting tube 12. The front end of the rubber tube 15 is provided with an outwardly flared part 151. The rubber tube 15 at the front end of the connector tube 14 can contact the outer wall of the suction tube 16, which can play an auxiliary role in fixing the suction tube 16 and prevent the suction tube 16 from falling off due to unstable connection with the connector tube 14. It is worth mentioning that the outwardly flared part 151 at the front end of the rubber tube 15 can play a guiding role when the suction tube 16 is inserted to improve the insertion speed. The suction tube 16 is inserted inside the connector tube 14. One end of the suction tube 16 passes through the rubber tube 15 and extends to the outside of the rubber tube 15. The suction tube 16 is made of polyethylene or polypropylene, which has the characteristics of being soft, elastic, and not easily deformed. It also has good elasticity and plasticity, so it can be bent within a certain angle, so that the suction tube 16 can better adapt to the curve and angle of the patient's oral cavity during use and can better aspirate secretions from deep in the oral cavity.

[0040] The working principle of this utility model:

[0041] When using this saliva aspirator to suction secretions from a patient's mouth, first bend the suction tube 16 to conform to the curve of the oral cavity. Then, insert it into the connector tube 14 through the rubber tube 15. The friction between the suction tube 16, the rubber tube 15, and the connector tube 14 prevents it from falling out. Then, turn on the negative pressure suction machine 1. Under the action of the vacuum generator, a negative pressure is generated inside the suction tube 2, thereby achieving the suction effect. The operator holds the handle 3 with a "pen-holding" gesture, placing the thumb, index finger, and middle finger respectively. The suction tube 16 is positioned on the outside of the handle 3, the outside of the rotating cylinder 4, and the outside of the elastic plate 8. During suctioning, the suction tube 16 is inserted into the patient's mouth to extract secretions and rinsing fluid. The opening size of the suction adjustment component is adjusted according to the actual situation to control the suction speed. When the angle of the suction tube 16 needs to be adjusted, the elastic plate 8 is squeezed by the thumb and middle finger. The elastic plate 8 deforms under pressure, causing the locking plate 801 to slide out of the positioning groove 6. At this time, the rotating cylinder 4 is in the released state. Then, the rotating cylinder 4 is rotated by turning the finger plate 5 with the index finger. Simultaneously, the rotating drum 4 drives the connecting drum 12 to rotate. When the connecting drum 12 rotates, it drives the insertion drum 14, the rubber tube 15, and the suction tube 16 to rotate, thereby adjusting the angle of the suction tube 16. After adjustment, the squeezing force of the thumb and middle finger is released. At this time, the elastic piece 8 returns to its original shape and drives the locking plate 801 to re-enter the positioning groove 6, thus fixing the rotating drum 4. At the same time, the angle of the suction tube 16 is fixed. The insertion drum 14 and the connecting drum 12 are connected by threads, therefore, when… When it is necessary to replace the plug-in sleeve 14 and the rubber sleeve 15, simply unscrew the plug-in sleeve 14 from the connecting sleeve 12 for replacement. When the elasticity of the elastic piece 8 decreases, causing the engagement between the locking plate 801 and the positioning groove 6 to become loose, press the elastic piece 8 to deform it and pull it out from the inside of the mounting groove 7 to complete the disassembly. Then, insert the elastic piece 8 to be replaced back into the mounting groove 7. When the protrusion 802 is locked on the outside of the boss 9, the installation of the elastic piece 8 is completed, ensuring that the engagement between the locking plate 801 and the positioning groove 6 has sufficient elastic support.

[0042] This utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this utility model. To provide the public with a thorough understanding of this utility model, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand this utility model even without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this utility model, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0043] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A saliva suction device for oral care, comprising a negative pressure suction mechanism, characterized in that, The negative pressure suction machine is equipped with a suction tube, and a handle is fixedly connected to the end of the suction tube away from the negative pressure suction machine. Universal wheels are symmetrically installed on the bottom of the negative pressure suction machine, and a storage platform is provided on the top of the negative pressure suction machine. An angle adjustment component is provided to assist the operator in adjusting the angle of saliva suction, and the angle adjustment component is connected to the handle.

2. The saliva suction device for oral care according to claim 1, characterized in that, The angle adjustment assembly includes a rotating cylinder rotatably connected to the outside of the handle. Multiple finger plates are fixedly connected at equal intervals to the outside of the rotating cylinder. An installation groove is provided inside the handle, and an elastic piece is provided inside the installation groove.

3. The saliva suction device for oral care according to claim 2, characterized in that, The finger plate has recesses on both sides, and anti-slip pads are fixedly connected to the outside of the recesses. Lightweight holes are opened inside the finger plate.

4. The saliva suction device for oral care according to claim 2, characterized in that, A retaining plate is fixedly connected to the upper surface of the elastic sheet, and two protrusions are provided at the bottom of the elastic sheet.

5. The saliva suction device for oral care according to claim 4, characterized in that, Multiple positioning slots are equidistantly provided on the inner wall of the rotating drum, and the top of the card plate extends into the positioning slots.

6. The saliva suction device for oral care according to claim 4, characterized in that, Two bosses are fixedly connected to the bottom of the inner wall of the mounting groove, and both bosses extend into the interior of the protrusion.

7. The saliva suction device for oral care according to claim 1, characterized in that, A fixed cylinder is fixedly connected inside the handle, a bearing is fixedly connected to the inner side of the fixed cylinder, a connecting cylinder is installed on the inner wall of the bearing, and the outer wall of the connecting cylinder is fixedly connected to the rotating cylinder.

8. The saliva suction device for oral care according to claim 7, characterized in that, A sealing baffle is fitted and fixed on the outside of the connecting cylinder and between the side wall of the rotating cylinder and the bearing, with one side of the sealing baffle in contact with the end face of the fixed cylinder.

9. The saliva suction device for oral care according to claim 7, characterized in that, The connecting cylinder has a plug-in cylinder installed inside. A rubber cylinder is fixedly connected to the end of the plug-in cylinder away from the connecting cylinder. The front end of the rubber cylinder is provided with an outward-turned part.

10. The saliva suction device for oral care according to claim 9, characterized in that, A saliva suction tube is inserted into the inside of the plug tube, and one end of the saliva suction tube passes through the rubber tube and extends to the outside of the rubber tube.