Quick fixing movable clamping structure for tracheal cannula

By designing a movable snap-fit ​​structure for quick fixation of the endotracheal tube, and utilizing a connecting sleeve and an inflatable bladder to limit the displacement of the endotracheal tube body, the displacement problem of existing fixation methods is solved, achieving a more efficient endotracheal fixation effect.

CN224671908UActive Publication Date: 2026-08-25SUN YAT SEN MEMORIAL HOSPITAL SUN YAT SEN UNIV
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Patent Information

Application Number
CN202520327521.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-08-25
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

Existing methods of securing endotracheal tubes are prone to displacement, posing safety hazards and resulting in poor fixation.

Method used

A movable snap-fit ​​structure for quick fixation of endotracheal tubes is designed, including a connecting sleeve, an elastic limiting block, a movable sleeve, a rotating rod, and a movable ring. The endotracheal tube body is fixed in the oral cavity by the expansion of the airbag and the snap-fit ​​assembly to prevent displacement.

Benefits of technology

It effectively prevents the endotracheal tube from shifting due to tape detachment during use, improving the endotracheal tube fixation effect and enhancing safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to medical instrument technical field, concretely relates to a trachea cannula quick fixing movable clamping structure, including trachea main part, the outside of trachea main part is connected with the clamping component of sliding, and the one end of trachea main part away from clamping component is equipped with air bag, the clamping component is used for limiting trachea main part at the oral cavity of patient, and the clamping component is by connecting sleeve, elastic limit block, moving cover, rotating rod and moving ring and is composed, the connecting sleeve is located at the outside of trachea main part, and multiple sets elastic limit block all are connected in the inside of connecting sleeve with sliding, moving cover is connected in the inside of connecting sleeve with sliding, two sets rotating rod all are connected in the outside of elastic limit block with rotation, moving ring is connected in the outside of moving cover with sliding and is away from the one end of elastic limit block, and compared with the trachea fixed of existing, the utility model can improve the overall practicality of trachea fixed through design.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a quick-fixing and movable snap-fit ​​structure for endotracheal tubes. Background Technology

[0002] Endotracheal main tube generally refers to the endotracheal main tube intubation procedure. Endotracheal main tube intubation is a method of inserting a specially designed endotracheal main tube through the mouth or nose and through the glottis into the trachea or bronchus. It provides the best conditions for airway patency, ventilation and oxygen supply, and airway suction. It is an important measure for rescuing patients with respiratory dysfunction. In order to prevent the auxiliary tube inserted into the endotracheal main tube from being displaced significantly during use, a clamping and fixing structure is required.

[0003] Existing clamping and fixation structures mostly use an airbag to clamp and position one end of the endotracheal tube inserted into the patient's trachea, and bend the other end of the tube to one side to fit against the patient's face. A set of medical tape is then used to directly adhere and fix the endotracheal tube to the patient's face. However, this fixation method has poor fixation effect and the endotracheal tube is prone to displacement during use due to tape detachment, posing a significant safety hazard. Therefore, it is particularly important to improve existing tracheal fixation methods and design a new type of quick-fixing and movable clamping structure for endotracheal tubes to solve the above-mentioned technical defects and improve the overall practicality of tracheal fixation. Utility Model Content

[0004] The purpose of this invention is to provide a quick-fixing and movable snap-fit ​​structure for endotracheal tubes. When the connecting sleeve is placed in the patient's mouth, the displacement of the soft block contacts the inside of the patient's mouth, supporting the connecting sleeve and limiting its movement. This, in turn, limits the endotracheal tube body. Gas is delivered to the cuff through the delivery tube, allowing the cuff to inflate. Combined with the snap-fit ​​assembly, this effectively limits the endotracheal tube body inside the mouth, preventing displacement of the auxiliary airway body due to tape detachment during use, which poses a significant safety hazard. This invention addresses the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A quick-fixing and movable snap-fit ​​structure for endotracheal tubes includes an endotracheal tube body, a snap-fit ​​component slidably connected to the outer side of the endotracheal tube body, and an airbag provided at the end of the endotracheal tube body away from the snap-fit ​​component.

[0007] The snap-fit ​​assembly is used to limit the trachea body to the patient's mouth, and the snap-fit ​​assembly consists of a connecting sleeve, an elastic limiting block, a movable sleeve, a rotating rod, and a movable ring. The connecting sleeve is located on the outside of the trachea body, and multiple sets of elastic limiting blocks are slidably connected to the inside of the connecting sleeve. The movable sleeve is slidably connected to the inside of the connecting sleeve, and two sets of rotating rods are rotatably connected to the outside of the elastic limiting block. The movable ring is slidably connected to the outside of the movable sleeve and to one end away from the elastic limiting block.

[0008] As a preferred embodiment of this utility model, the connecting sleeve has multiple sets of guide grooves inside, and the internal structure size of the guide grooves is designed to correspond to the external structure size of the elastic limiting block. The elastic limiting block is connected to the connecting sleeve through the guide grooves.

[0009] As a preferred embodiment of this utility model, the end of the rotating rod away from the elastic limiting block is rotatably connected to the moving ring, and multiple sets of the rotating rods are distributed at equal intervals on the outer side of the moving ring.

[0010] As a preferred embodiment of this utility model, the movable sleeve has a sliding groove inside, and the internal structure size of the sliding groove is designed to correspond to the external structure size of the trachea body. The movable sleeve is connected to the trachea body through the sliding groove.

[0011] As a preferred embodiment of this utility model, a limiting ring is provided on the outer side of the movable sleeve and at one end near the connecting sleeve, and a compression spring is provided on the outer side of the limiting ring and located on the outer side of the movable sleeve, and the compression spring is connected to the movable sleeve through the limiting ring.

[0012] As a preferred embodiment of this utility model, the end of the elastic limiting block away from the connecting sleeve is provided with a soft block, and the soft block is designed with a cylindrical structure.

[0013] As a preferred embodiment of this utility model, a delivery tube is provided on the outside of the airbag, and the end of the delivery tube away from the airbag extends to the outside of the tracheal body.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this invention, the design of the snap-fit ​​component allows the soft block to move and contact the inside of the patient's mouth when the connecting sleeve is placed inside the mouth, supporting the connecting sleeve and limiting its movement. This, in turn, limits the trachea body. Gas is then delivered to the airbag through the delivery tube, causing the airbag to inflate. Combined with the snap-fit ​​component, the trachea body is contained within the mouth, preventing displacement of the auxiliary airway body due to tape detachment during use, which could pose a significant safety hazard. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the snap-fit ​​assembly structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the main structure of the trachea of ​​this utility model.

[0019] In the diagram: 1. Trachea body; 2. Clip assembly; 3. Airbag; 4. Connecting sleeve; 5. Elastic limiting block; 6. Moving sleeve; 7. Moving ring; 8. Guide groove; 9. Sliding groove; 10. Limiting ring; 11. Compression spring; 12. Soft block; 13. Delivery tube; 14. Rotating rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0021] Example:

[0022] Please see Figures 1-3 This utility model provides a technical solution:

[0023] A quick-fixing and movable snap-fit ​​structure for endotracheal tubes includes an endotracheal body 1, a snap-fit ​​component 2 slidably connected to the outer side of the endotracheal body 1, and an airbag 3 provided at the end of the endotracheal body 1 away from the snap-fit ​​component 2.

[0024] The snap-fit ​​assembly 2 is used to limit the trachea body 1 in the patient's mouth. The snap-fit ​​assembly 2 consists of a connecting sleeve 4, an elastic limiting block 5, a movable sleeve 6, a rotating rod 14, and a movable ring 7. The connecting sleeve 4 is located on the outside of the trachea body 1. Multiple sets of elastic limiting blocks 5 are slidably connected to the inside of the connecting sleeve 4. The movable sleeve 6 is slidably connected to the inside of the connecting sleeve 4. Two sets of rotating rods 14 are rotatably connected to the outside of the elastic limiting block 5. The movable ring 7 is slidably connected to the outside of the movable sleeve 6 and to one end away from the elastic limiting block 5.

[0025] Furthermore, the connecting sleeve 4 has multiple sets of guide grooves 8 inside. The internal structure size of the guide grooves 8 is designed to correspond to the external structure size of the elastic limiting block 5. The elastic limiting block 5 is connected to the connecting sleeve 4 through the guide grooves 8, and the elastic limiting block 5 and the guide grooves 8 are slidably connected, so that the elastic limiting block 5 can be connected to the connecting sleeve 4. When the elastic limiting block 5 is displaced, it can be guided by the guide grooves 8 to prevent deviation.

[0026] The end of the rotating rod 14 away from the elastic limiting block 5 is rotatably connected to the moving ring 7, and multiple sets of rotating rods 14 are evenly distributed on the outside of the moving ring 7. The rotating rods 14 are rotatably connected to the moving ring 7, so that the elastic limiting block 5 can be connected to the moving ring 7 through the rotating rods 14. When the moving ring 7 moves, it drives the multiple sets of rotating rods 14 to move, so that the elastic limiting block 5 can move.

[0027] Secondly, the movable sleeve 6 has a sliding groove 9 inside. The size of the internal structure of the sliding groove 9 is designed to correspond to the size of the external structure of the tracheal body 1. The movable sleeve 6 is connected to the tracheal body 1 through the sliding groove 9. Connecting the sliding groove 9 to the tracheal body 1 allows the movable sleeve 6 to move on the outside of the tracheal body 1.

[0028] Furthermore, a limiting ring 10 is provided on the outer side of the movable sleeve 6 and near the connecting sleeve 4. A compression spring 11 is provided on the outer side of the limiting ring 10 and located on the outer side of the movable sleeve 6. The compression spring 11 is connected to the movable sleeve 6 through the limiting ring 10. Connecting the compression spring 11 to the limiting ring 10 allows the compression spring 11 to be connected to the movable sleeve 6. Through the cooperation of the compression spring 11, the limiting ring 10, and the connecting sleeve 4, the movable sleeve 6 can be moved.

[0029] Furthermore, the end of the elastic limiting block 5 away from the connecting sleeve 4 is provided with a soft block 12. The soft block 12 has a cylindrical structure design. When the elastic limiting block 5 is displaced, it can drive the soft block 12 to be displaced as well. When the connecting sleeve 4 is placed in the patient's mouth, the displacement of the soft block 12 contacts the inside of the patient's mouth, supporting the connecting sleeve 4. This allows the connecting sleeve 4 to limit the movement of the sleeve 6, thereby limiting the tracheal body 1 and preventing the auxiliary airway body 1 from shifting due to tape detachment during use, which would pose a significant safety hazard.

[0030] Furthermore, the airbag 3 is provided with a delivery tube 13 on its outer side. The end of the delivery tube 13 away from the airbag 3 extends to the outer side of the tracheal body 1, connecting the delivery tube 13 to the tracheal body 1. When the tracheal body 1 is placed inside the patient's cavity, gas is delivered to the airbag 3 through the delivery tube 13, allowing the airbag 3 to inflate. With the help of the snap-fit ​​component 2, the tracheal body 1 can be confined inside the oral cavity.

[0031] In this embodiment, the specific implementation scenario is as follows: In actual use, the connecting sleeve 4 is squeezed, and then the moving sleeve 6 is pulled to move the moving ring 7, causing the moving rod to move, which in turn moves the elastic limiting block 5. The elastic limiting block 5 and the soft block 12 are moved into the guide groove 8, allowing the connecting sleeve 4 to be placed in the patient's mouth, thereby allowing the trachea body 1 to be placed in the patient's mouth. The moving sleeve 6 is then released, and the compression spring 11, in conjunction with the limiting ring 10 and the connecting sleeve 4, can move the moving sleeve 6. When the moving sleeve 6 moves, it moves the moving ring 7, which in turn moves multiple sets of rotating rods 14, allowing the elastic limiting block 5 to enter the guide groove 8. When the elastic limiting block 5 moves, it can drive the soft block 12 to move as well. When the connecting sleeve 4 is placed in the patient's mouth, the displacement of the soft block 12 contacts the inside of the patient's mouth, supporting the connecting sleeve 4 and limiting the moving sleeve 6. This limits the trachea body 1. Gas is delivered to the air bag 3 through the delivery tube 13, allowing the air bag 3 to inflate. Together with the snap-fit ​​component 2, the trachea body 1 can be limited inside the mouth, preventing the auxiliary airway body 1 from shifting due to tape detachment during use, which poses a significant safety hazard. Compared with existing trachea fixation methods, this utility model improves the overall practicality of trachea fixation through its design.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-fixing and movable snap-fit ​​structure for endotracheal tubes, comprising an endotracheal tube body (1), characterized in that: The outer side of the trachea body (1) is slidably connected to a snap-fit ​​assembly (2), and an airbag (3) is provided at the end of the trachea body (1) away from the snap-fit ​​assembly (2); The snap-fit ​​assembly (2) is used to limit the trachea body (1) in the patient's mouth. The snap-fit ​​assembly (2) consists of a connecting sleeve (4), an elastic limiting block (5), a movable sleeve (6), a rotating rod (14), and a movable ring (7). The connecting sleeve (4) is located on the outside of the trachea body (1). Multiple sets of elastic limiting blocks (5) are slidably connected to the inside of the connecting sleeve (4). The movable sleeve (6) is slidably connected to the inside of the connecting sleeve (4). Two sets of rotating rods (14) are rotatably connected to the outside of the elastic limiting block (5). The movable ring (7) is slidably connected to the outside of the movable sleeve (6) and away from the end of the elastic limiting block (5).

2. The quick-fixing and movable snap-fit ​​structure for endotracheal tubes according to claim 1, characterized in that: The connecting sleeve (4) has multiple sets of guide grooves (8) inside. The internal structure size of the guide groove (8) is designed to correspond to the external structure size of the elastic limiting block (5). The elastic limiting block (5) is connected to the connecting sleeve (4) through the guide groove (8).

3. The quick-fixing and movable snap-fit ​​structure for endotracheal tubes according to claim 1, characterized in that: The end of the rotating rod (14) away from the elastic limiting block (5) is rotatably connected to the moving ring (7), and multiple sets of the rotating rods (14) are evenly distributed on the outside of the moving ring (7).

4. The quick-fixing and movable snap-fit ​​structure for endotracheal tubes according to claim 1, characterized in that: The movable sleeve (6) has a sliding groove (9) inside. The size of the internal structure of the sliding groove (9) is designed to correspond to the size of the external structure of the trachea body (1). The movable sleeve (6) is connected to the trachea body (1) through the sliding groove (9).

5. The quick-fixing and movable snap-fit ​​structure for endotracheal tubes according to claim 1, characterized in that: A limiting ring (10) is provided on the outer side of the movable sleeve (6) and near the end of the connecting sleeve (4). A compression spring (11) is provided on the outer side of the limiting ring (10) and located on the outer side of the movable sleeve (6). The compression spring (11) is connected to the movable sleeve (6) through the limiting ring (10).

6. The quick-fixing and movable snap-fit ​​structure for endotracheal tubes according to claim 1, characterized in that: The elastic limiting block (5) has a soft block (12) at one end away from the connecting sleeve (4), and the soft block (12) has a cylindrical structure design.

7. The quick-fixing and movable snap-fit ​​structure for endotracheal tubes according to claim 1, characterized in that: The airbag (3) is provided with a delivery tube (13) on its outer side, and the end of the delivery tube (13) away from the airbag (3) extends to the outer side of the tracheal body (1).