Disposable sputum suction tube

By incorporating a connecting mechanism and a retaining ring adjustment mechanism into the suction catheter, the issues of sealing and robustness at the connection point are resolved, resulting in better usability and length compatibility.

CN223914455UActive Publication Date: 2026-02-17SHENZHEN PEOPLES HOSPITAL
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Patent Information

Application Number
CN202423048445.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2026-02-17
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

The existing suction catheters have poor connection strength and sealing, which affects their effectiveness.

Method used

A connecting mechanism and a retaining ring adjustment mechanism are set on the main body of the suction catheter. The friction between the insertion tube and the sleeve is used to improve the connection firmness, and the length of the suction catheter can be adjusted by the retaining ring adjustment mechanism to adapt to different usage needs.

Benefits of technology

The connection between the suction catheter and the negative pressure device has been improved in terms of sealing and firmness. At the same time, the length of the suction catheter can be adjusted to adapt to different usage situations, thereby improving the effectiveness of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a disposable sputum suction tube, which belongs to the technical field of sputum suction tubes and comprises a sputum suction tube main body, a connecting mechanism and a baffle ring adjusting mechanism are arranged on the sputum suction tube main body, the connecting mechanism comprises a connecting block fixedly mounted on the surface of the sputum suction tube main body, and a connecting annular plate is fixedly mounted on the surface of the connecting block. And a sleeve is fixedly mounted on the surface of the connecting annular plate. According to the disposable sputum suction tube, the inserting tube and the sleeve are arranged on the sputum suction tube body, when the disposable sputum suction tube is used, the inserting tube and a connecting tube of a negative pressure device are used for conducting inserting connection, the sleeve wraps the connecting position of the inserting tube and the connecting tube of the negative pressure device, and the sealing performance of the connecting position of the inserting tube and the connecting tube of the negative pressure device can be improved; and meanwhile, the friction force between the sleeve and the outer side surface of the negative pressure device connecting pipe and the friction force between the inserting pipe and the inner side surface of the negative pressure device connecting pipe are utilized, so that the connection firmness between the inserting pipe and the negative pressure device connecting pipe can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sputum suction tube technical field, concretely is disposable sputum suction tube. BACKGROUND

[0002] Disposable sputum suction tube is a kind of medical equipment, mainly used to remove the secretion in the airway of patient, help to improve respiratory function, usually made of soft material, with certain elasticity, can be conveniently inserted into airway, the use of sputum suction tube is usually applicable to intensive care, anesthesia, respiratory therapy and so on, especially for the patient who cannot excrete sputum autonomously, when using sputum suction tube, medical staff will connect it to aspirator, and the sputum in the airway is sucked out by negative pressure.

[0003] But the existing sputum suction tube is connected in the form of plug-in when using, the firmness and the sealing property of connecting portion are poor, affect the use effect of sputum suction tube. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a disposable sputum suction tube, has the advantages of firm connection and being favorable to improving use effect, solves the problem of poor firmness and sealing property of connecting portion.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: disposable sputum suction tube, including sputum suction tube main part, be equipped with connecting mechanism and fender ring adjusting mechanism on the sputum suction tube main part,

[0006] The connecting mechanism includes the connecting block fixedly installed on the surface of sputum suction tube main part, the connecting ring-shaped plate is fixedly installed on the surface of connecting block, the sleeve pipe is fixedly installed on the surface of connecting ring-shaped plate, one end of sputum suction tube main part is fixedly installed with the plug-in pipe that passes through connecting ring-shaped plate and is connected with sputum suction tube main part, the side hole that is four in number and is annularly distributed is set up on the surface of sputum suction tube main part;

[0007] The fender ring adjusting mechanism includes the fender ring of sleeve joint on the outer surface of sputum suction tube main part, the two strip-shaped plates are fixedly installed on the surface of fender ring, the installation block is fixedly installed on the one end away from fender ring of strip-shaped plate, the clamping block with the arc-shaped groove set up on the surface is fixedly installed on the surface of installation block, the first fender strip, the pressing block and the second fender strip are fixedly installed on the surface of installation block away from clamping block one side, the clamping ring is sleeve-jointed on the surface of strip-shaped plate.

[0008] Further, the plug-in pipe is located inside the sleeve pipe, and the length of the plug-in pipe is less than the length of the sleeve pipe.

[0009] Further, the height of the first fender strip is greater than the height of the second fender strip.

[0010] Further, the arc-shaped groove on the surface of the clamping block is matched with the sputum suction tube main part.

[0011] Further, the sputum suction tube body is fixedly installed with a protective ring at one end away from the plug-in pipe, and the surface shape of the protective ring is a circular arc shape.

[0012] Further, the external diameter of the plug-in pipe is matched with the internal diameter of the negative pressure device connecting pipe, and the internal diameter of the sleeve pipe is matched with the external diameter of the negative pressure device connecting pipe.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] 1. The disposable sputum suction tube is provided with a plug-in pipe and a sleeve pipe on the sputum suction tube body. During use, the plug-in pipe and the negative pressure device connecting pipe are connected through plug-in connection, and the connection between the plug-in pipe and the negative pressure device connecting pipe is wrapped by the sleeve pipe, so that the sealing performance of the connection between the plug-in pipe and the negative pressure device connecting pipe is improved. At the same time, the connection between the plug-in pipe and the negative pressure device connecting pipe is improved in firmness by the friction between the external surface of the sleeve pipe and the negative pressure device connecting pipe and the friction between the internal surface of the plug-in pipe and the negative pressure device connecting pipe. The problem that the existing sputum suction tube is connected in a plug-in form, resulting in poor firmness and sealing performance of the connection and affecting the use effect of the sputum suction tube is solved.

[0015] 2. The disposable sputum suction tube is provided with a stop ring adjusting assembly on the stop ring. During use, the position of the stop ring can be adjusted according to the use condition, so that the length of the sputum suction tube body can be matched with the length of the deep human body. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the utility model;

[0017] Fig. 2 It is a structure mounting block schematic view of the utility model.

[0018] In the figure: 1, sputum suction tube body; 2, connecting block; 3, connecting ring-shaped plate; 4, sleeve pipe; 5, plug-in pipe; 6, side hole; 7, stop ring; 8, strip-shaped plate; 9, mounting block; 10, clamping block; 11, first stop strip; 12, pressing block; 13, second stop strip; 14, protective ring; 15, clamping ring. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] Please refer toFigs. 1-2 The disposable sputum suction tube in the embodiment comprises a sputum suction tube body 1, the sputum suction tube body 1 is provided with a connecting mechanism and a blocking ring adjusting mechanism, the connecting mechanism comprises a connecting block 2 fixedly installed on the surface of the sputum suction tube body 1, the surface of the connecting block 2 is fixedly installed with a connecting ring plate 3, the surface of the connecting ring plate 3 is fixedly installed with a sleeve 4, one end of the sputum suction tube body 1 is fixedly installed with a plug-in pipe 5 penetrating through the connecting ring plate 3 and connected with the sputum suction tube body 1, the surface of the sputum suction tube body 1 is provided with four side holes 6 in a ring shape, the plug-in pipe 5 is located inside the sleeve 4, the length of the plug-in pipe 5 is less than the length of the sleeve 4, the outer diameter of the plug-in pipe 5 is matched with the inner diameter of the connecting pipe of the negative pressure device, and the inner diameter of the sleeve 4 is matched with the outer diameter of the connecting pipe of the negative pressure device.

[0021] The blocking ring adjusting mechanism comprises a blocking ring 7 sleeved on the outer surface of the sputum suction tube body 1, the surface of the blocking ring 7 is fixedly installed with two strip plates 8, one end of the strip plate 8 away from the blocking ring 7 is fixedly installed with a mounting block 9, the surface of the mounting block 9 is fixedly installed with a clamping block 10 provided with an arc-shaped groove, the surface of the mounting block 9 away from the clamping block 10 is fixedly installed with a first blocking strip 11, a pressing block 12 and a second blocking strip 13, the height of the first blocking strip 11 is greater than the height of the second blocking strip 13, the arc-shaped groove on the surface of the clamping block 10 is matched with the sputum suction tube body 1, one end of the sputum suction tube body 1 away from the plug-in pipe 5 is fixedly installed with a protective ring 14, the surface shape of the protective ring 14 is a circular arc, and the surface of the strip plate 8 is sleeved with a clamping ring 15.

[0022] The working principle of the above embodiment is as follows:

[0023] In use, the connecting pipe of the negative pressure device is inserted into the sleeve 4, so that the plug-in pipe 5 is inserted into the inside of the connecting pipe of the negative pressure device, at this time, the inside surface of the sleeve 4 is in contact with the outside surface of the connecting pipe of the negative pressure device, and the outside surface of the plug-in pipe 5 is in contact with the inside surface of the connecting pipe of the negative pressure device, thereby increasing the friction between the connecting pipe of the negative pressure device and the sleeve 4 and the plug-in pipe 5, and thereby improving the connection firmness between the connecting pipe of the negative pressure device and the plug-in pipe 5, when adjusting the blocking ring 7, the blocking ring 7 is moved along the sputum suction tube body 1, when the blocking ring 7 is moved to a suitable position, the clamping ring 15 is moved so that the clamping ring 15 is in contact with the pressing block 12 beyond the second blocking strip 13, at this time, the clamping ring 15 is located between the first blocking strip 11 and the second blocking strip 13 and is in contact with the pressing block 12, the two clamping blocks 10 are extruded by the pressing block 12 to the direction close to the sputum suction tube body 1, so that the two clamping blocks 10 are in close contact with the sputum suction tube body 1, thereby fixing the position of the blocking ring 7.

[0024] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0025] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A disposable sputum suction tube comprising a sputum suction tube body (1), characterized in that: The sputum suction tube body (1) is provided with a connecting mechanism and a blocking ring adjusting mechanism; The connecting mechanism comprises a connecting block (2) fixedly installed on the surface of the sputum suction tube body (1), a connecting annular plate (3) fixedly installed on the surface of the connecting block (2), a sleeve (4) fixedly installed on the surface of the connecting annular plate (3), and a plug-in pipe (5) fixedly installed at one end of the sputum suction tube body (1) and penetrating through the connecting annular plate (3) and being in communication with the sputum suction tube body (1); four side holes (6) are formed on the surface of the sputum suction tube body (1) and are arranged in a ring shape. The blocking ring adjusting mechanism comprises a blocking ring (7) sleeved on the outer surface of the sputum suction tube body (1), two strip-shaped plates (8) fixedly installed on the surface of the blocking ring (7), an installation block (9) fixedly installed at the end of the strip-shaped plate (8) away from the blocking ring (7), a clamping block (10) with an arc-shaped groove formed on the surface of the installation block (9), a first blocking strip (11), a pressing block (12) and a second blocking strip (13) fixedly installed on the surface of the installation block (9) away from the clamping block (10), and a clamping ring (15) sleeved on the surface of the strip-shaped plate (8).

2. The disposable sputum suction tube according to claim 1, characterized in that: The plug-in pipe (5) is located inside the sleeve (4), and the length of the plug-in pipe (5) is less than the length of the sleeve (4).

3. The disposable sputum suction tube according to claim 1, characterized in that: The height of the first blocking strip (11) is greater than the height of the second blocking strip (13).

4. The disposable sputum suction tube according to claim 1, characterized in that: The arc-shaped groove on the surface of the clamping block (10) is matched with the sputum suction tube body (1).

5. The disposable sputum suction tube according to claim 1, characterized in that: The sputum suction tube body (1) is provided with a protective ring (14) fixedly installed at the end away from the plug-in pipe (5), and the surface of the protective ring (14) is in the shape of a circular arc.

6. The disposable sputum suction tube according to claim 1, characterized in that: The outer diameter of the plug-in pipe (5) is matched with the inner diameter of the negative pressure device connecting pipe, and the inner diameter of the sleeve (4) is matched with the outer diameter of the negative pressure device connecting pipe. The outer diameter of the plug-in pipe (5) is matched with the inner diameter of the negative pressure device connecting pipe, and the inner diameter of the sleeve (4) is matched with the outer diameter of the negative pressure device connecting pipe.