Trachea cannula core structure with front end angle capable of being adjusted by one hand

The endotracheal intubation operation is simplified by using a hydraulic device that can be adjusted with one hand, which solves the problem of intubation difficulties caused by the complex structure of existing technologies, and improves the success rate and safety of intubation.

CN223774147UActive Publication Date: 2026-01-09BEIJING FRIENDSHIP HOSPITAL CAPITAL MEDICAL UNIV
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Patent Information

Application Number
CN202422851579.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2026-01-09
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

The existing endotracheal intubation tube has a complex structure and is cumbersome to operate, leading to repeated intubation, increasing the risk of tissue damage to patients and making intubation more difficult.

Method used

It employs a hydraulic device that can be adjusted with one hand. Through a U-shaped tube and piston structure, it uses liquid filling and a limiting spring to move the core up and down, changing the bending direction and angle of the endotracheal tube tip.

Benefits of technology

Simplify procedures, improve intubation success rate, shorten intubation time, reduce the risk of tissue damage, ensure patient safety, and reduce the risk of exposure for medical staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a trachea cannula core structure with a front end angle capable of being adjusted by one hand, which comprises a hydraulic device, the hydraulic device is a U-shaped tube with two closed end openings, pistons are arranged in cavities on two sides of the U-shaped tube, liquid is filled between the two pistons, the bottoms of the two pistons are connected with the inner bottom wall of the U-shaped tube through limit springs, and the two ends of the U-shaped tube are connected with the hydraulic device. Wherein the top of one piston is connected with a first vertical rod, the top of the first vertical rod penetrates out of one port of the U-shaped pipe in a sliding mode and is fixedly connected with a fixing ring, the top of the other piston is connected with a second vertical rod, and the top of the second vertical rod penetrates out of the other port of the U-shaped pipe in a sliding mode and is vertically and fixedly connected with a transverse rod. The other end of the cross rod is vertically connected with the tail end of the tube core, and the bottom of the U-shaped tube is connected with the tail end of the trachea cannula. The fixing device is simple in structure, the tube core is controlled to move up and down by pressing down or lifting up the fixing ring, and operation is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, more specifically, the utility model relates to a tracheal tube tube core structure of single -handed adjustment front end angle. BACKGROUND

[0002] Tracheal intubation is often used in the treatment of emergency, critical illness, severe illness and other patients. Tracheal intubation provides life necessary ventilation support for these patients, which has very important significance for maintaining life, and also provides the necessary premise and guarantee for subsequent treatment. During tracheal intubation, due to the different glottis height of different patients, the shape of epiglottis, the angle between oropharynx longitudinal axis and trachea, tracheal intubation is often difficult, and the shape of tracheal tube core needs to be adjusted many times, and repeated intubation until the tracheal tube passes through the glottis of the patient. However, repeated intubation can cause glottis tissue damage, bleeding, edema, laryngeal edema, and even cause difficulty in ventilation and even asphyxia. The prior art CN221513170U discloses a tracheal tube core, and the shaping part can be freely adjusted according to the oral cavity of the patient, but its structure is complex, the operation is cumbersome, and there is room for improvement. SUMMARY

[0003] An object of the utility model is to provide a tracheal tube tube core structure which can adjust the angle of the front end with one hand, and the structure is simple and the operation is convenient.

[0004] In order to realize the purposes and other advantages according to the utility model, according to one aspect of the utility model, the utility model provides a tracheal tube tube core structure which can adjust the angle of the front end with one hand, and the structure is simple and the operation is convenient.

[0005] Preferably, the tube core is slidably arranged in the tracheal tube, the tail end of the tracheal tube is provided with an interface connected with a breathing machine, the interface is coaxially detachably connected with a connecting ring, the tail end of the tube core is movably arranged in the connecting ring, and a connecting rod is fixedly connected between the bottom of the U-shaped tube and the connecting ring.

[0006] Preferably, the diameter of the tube core is matched with the inner diameter of the connecting ring.

[0007] Preferably, the connecting rod is arranged in parallel with the cross bar.

[0008] Preferably, the diameters of the two pistons are respectively matched with the inner diameters of the two side cavities of the U-shaped tube.

[0009] Preferably, the moving directions of the two pistons are parallel with the extending direction of the tail end of the tube core.

[0010] Preferably, the tube core is made of rigid material, and the front end of the tube core is curved, and the tracheal cannula is made of flexible material.

[0011] Preferably, the rigid material is metal material, and the flexible material is polymer material.

[0012] The utility model has at least the following beneficial effects: the utility model has simple structure and convenient operation, and through single hand pressing down or lifting the fixing ring, the up-down movement of the tube core can be realized, the bending direction and angle of the front end of the tracheal cannula are changed, the probability of one-time success of difficult airway cannula is increased, the tracheal cannula time is shortened, the life safety of patients is ensured, and the risk of professional exposure of medical staff is reduced.

[0013] Other advantages, objects and features of the utility model will be embodied partly through the following description, and will be understood by the person skilled in the art through the research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structure schematic diagram of one kind of technical scheme of the utility model;

[0015] Fig. 2 It is the structure schematic diagram of the fixing ring when being pressed down in one kind of technical scheme of the utility model;

[0016] Fig. 3 It is the structure schematic diagram of the fixing ring when being lifted in one kind of technical scheme of the utility model. DETAILED DESCRIPTION

[0017] The utility model will be further explained in detail in combination with the drawings and specific implementation manners, so that the person skilled in the art can implement according to the description words.

[0018] It should be understood that the terms such as "have", "contain" and "include" used in the present application do not exclude the presence or addition of one or more other elements or combinations thereof.

[0019] It should be noted that the experimental methods described in the following embodiments are conventional methods, and the reagents and materials are commercially available unless otherwise specified. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "setting" should be understood in a broad sense, for example, they can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The orientation or positional relationship indicated by the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] In one of the technical solutions, as shown in the drawings, the present application provides a tracheal tube core structure capable of adjusting the front end angle with one hand, which comprises a hydraulic device 100, which is a U-shaped tube with two ports closed. Figs. 1-3 The bottom of each of the two pistons 102 is connected to the inner bottom wall of the U-shaped tube through a limiting spring 103, the top of one of the pistons 102 is connected with a first vertical rod 104, the top of the first vertical rod 104 slides out of one port of the U-shaped tube and is fixedly connected with a fixing ring 105, the top of the other piston 102 is connected with a second vertical rod 106, the top of the second vertical rod 106 slides out of the other port of the U-shaped tube and is fixedly connected with a horizontal rod 107 vertically, the other end of the horizontal rod 107 is connected with the tail end of a tube core 200 vertically, and the bottom of the U-shaped tube is connected with the tail end of a tracheal tube 300.

[0021] The tracheal tube core structure capable of single-handedly adjusting the front end angle is provided with a hydraulic device 100 connected with the tracheal tube 300 and the core 200, the hydraulic device 100 is a U-shaped pipe, the inside of the U-shaped pipe has a U-shaped cavity 101, two pistons 102 are installed in the cavity 101, the two pistons 102 are flush and located on the two sides of the cavity 101 respectively, and the cavity 101 between the two pistons 102 is filled with liquid, the bottom of the two pistons 102 is provided with a vertical downward extending limiting spring 103, the two limiting springs 103 are connected with the bottom of the cavity 101, the top of the two pistons 102 is respectively provided with a vertical upward extending first vertical rod 104 and a second vertical rod 106, the top of the first vertical rod 104 slides out of the U-shaped pipe and is fixed with a fixed ring 105, the fixed ring 105 can be passed through by the thumb, the top of the second vertical rod 106 slides out of the U-shaped pipe and is connected with a horizontal rod 107 perpendicularly, the other end of the horizontal rod 107 is connected with the tail end of the core 200 which is higher than the tracheal tube 300, and the bottom of the U-shaped pipe is connected with the tail end of the tracheal tube 300. When in use, the hydraulic device 100 is held by a single hand, the thumb is inserted into the fixed ring 105, when the piston 102 is pressed down, the other piston 102 is lifted up, the core 200 can be driven to move upwards through the horizontal rod 107, and then the tracheal tube 300 is driven to move upwards in the bending direction of the front end, when the piston 102 is lifted up, the other piston 102 is lowered, the core 200 can be driven to move downwards through the horizontal rod 107, and then the tracheal tube 300 is driven to move downwards in the bending direction of the front end. The hydraulic device 100 is convenient to hold by a single hand, the thumb is inserted into the fixed ring 105, the piston 102 is convenient to press down or lift up, and then the core 200 is driven to move upwards and downwards, through the operation of a single hand at the rear end, a solution of changing the bending direction and angle of the front end of the tracheal tube is provided, the probability of once success of difficult airway intubation is increased, the time of the tracheal tube 300 is shortened, the life safety of the patient is ensured, and the risk of occupational exposure of medical staff is reduced.

[0022] In another technical scheme, the tube core 200 slides through the tracheal cannula 300, and the tail end of the tracheal cannula 300 is provided with an interface 301 connected with a breathing machine, the interface 301 is coaxially detachably connected with the connecting ring 108, the tail end of the tube core 200 is movably arranged through the connecting ring 108, and the bottom of the U-shaped tube is fixedly connected with the connecting rod 109 between the connecting ring 108. In the technical scheme, the tail end of the tube core 200 is arranged beyond the tail end of the tracheal cannula 300, the tail end of the tracheal cannula 300 is provided with the interface 301 connected with the breathing machine, the connecting ring 108 is coaxially connected outside the interface 301, the connecting ring 108 is made of elastic material such as rubber plug, is tightly connected into the interface 301, and is convenient to install and detach, the connecting ring 108 is fixedly connected with the bottom of the hydraulic device 100 through the connecting rod 109, is used for fixing the hydraulic device 100, and the structural stability is improved. When the cannula is completed, the connecting ring 108 is detached from the outside of the interface 301, is removed together with the tube core 200 and the hydraulic device 100, and then the interface 301 of the tracheal cannula 300 is connected with the breathing machine, so that the operation is convenient.

[0023] In another technical scheme, the diameter of the tube core 200 is matched with the inner diameter of the connecting ring 108. In the technical scheme, the inner diameter of the connecting ring 108 is matched with the outer diameter of the tube core 200, so that the tube core 200 is conveniently moved up and down while being limited.

[0024] In another technical scheme, the connecting rod 109 is arranged in parallel with the cross rod 107. In the technical scheme, the connecting rod 109 is arranged in parallel with the cross rod 107, the structural stability is improved, and the piston 102 can smoothly drive the tube core 200 to move.

[0025] In another technical scheme, the diameters of the two pistons 102 are matched with the inner diameters of the two side cavities 101 of the U-shaped tube. In the technical scheme, the diameters of the two pistons 102 are matched with the inner diameters of the cavities 101, so that the outer side wall of the piston 102 is tightly combined with the inner side wall of the cavity 101, and liquid leakage is prevented.

[0026] In another technical scheme, the movement directions of the two pistons 102 are parallel with the tail end extension direction of the tube core 200. In the technical scheme, the movement directions of the pistons 102 are parallel with the tail end of the tube core 200, so that the piston 102 can smoothly drive the tube core 200 to move.

[0027] In another technical solution, the tube core 200 is made of rigid material, and the front end is bent, and the tracheal cannula 300 is made of flexible material. In the technical solution, the tube core 200 is made of rigid and hard material, and the front end is designed to be bent, the tracheal cannula 300 is made of flexible and soft material, the bending angle of the front end of the tracheal cannula 300 is adjusted by the up and down movement of the tube core 200, the fixed ring 105 is pressed down, the tube core 200 is moved up, the bending degree of the front end of the tracheal cannula 300 is increased, the fixed ring 105 is lifted up, the tube core 200 is moved down, and the bending degree of the front end of the tracheal cannula 300 is reduced.

[0028] In another technical solution, the rigid material is metal material, and the flexible material is high polymer material. In the technical solution, the tube core 200 is a metal wire, which is convenient for shaping, and is combined with the flexible tracheal cannula 300 made of high polymer material, so that the radial strength and the axial softness are improved.

[0029] Although the embodiments of the present application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and can be applied to various fields suitable for the present application. For those skilled in the art, other modifications can be easily realized, and therefore the present application is not limited to specific details and the figures shown and described herein.

Claims

1. A tracheal tube tip structure that can be adjusted in the angle of the front end with one hand, characterized by, The hydraulic device comprises a two-port closed U-shaped tube, both sides of the U-shaped tube are provided with pistons, the two pistons are filled with liquid, the bottom of the two pistons is connected with the inner bottom wall of the U-shaped tube through a limiting spring, the top of one of the pistons is connected with a first vertical rod, the top of the first vertical rod slides out of one port of the U-shaped tube and is fixedly connected with a fixing ring, the top of the other piston is connected with a second vertical rod, the top of the second vertical rod slides out of the other port of the U-shaped tube and is fixedly connected with a horizontal rod, the other end of the horizontal rod is connected with the tail end of a tube core in a vertical manner, and the bottom of the U-shaped tube is connected with the tail end of a tracheal cannula.

2. The single-handed adjustable tip angle endotracheal tube core structure of claim 1, wherein, The tube core slides in the tracheal cannula, the tail end of the tracheal cannula is provided with an interface connected with a breathing machine, the interface is coaxially detachably connected with a connecting ring, the tail end of the tube core movably passes through the connecting ring, and a connecting rod is fixedly connected between the bottom of the U-shaped tube and the connecting ring.

3. The single-handed adjustable tip angle endotracheal tube core structure of claim 2, wherein, The diameter of the tube core is matched with the inner diameter of the connecting ring.

4. The single-handed adjustable tip angle endotracheal tube core structure of claim 2, wherein, The connecting rod is arranged in parallel with the horizontal rod.

5. The single-handed adjustable tip angle endotracheal tube core structure of claim 1, wherein, The diameters of the two pistons are matched with the inner diameters of the two side cavities of the U-shaped tube.

6. The single-handed adjustable tip angle endotracheal tube core structure of claim 1, wherein, The movement directions of the two pistons are parallel with the extension direction of the tail end of the tube core.

7. The single-handed adjustable tip angle endotracheal tube core structure of claim 1, wherein, The tube core is made of rigid material and is curved at the front end, and the tracheal cannula is made of flexible material.

8. The single-handed adjustable tip angle endotracheal tube core structure of claim 7, wherein, The rigid material is metal material, and the flexible material is high polymer material.

Citation Information

Patent Citations

  • Trachea cannula core

    CN221513170U