Metal trachea cannula capable of being connected with breathing machine

By designing a metal tracheal cannula that can be connected to a ventilator, with an internal metal inner cannula that connects to the ventilator, the problem of loss of airway warming and humidification function after tracheotomy is solved, achieving airway patency and connection stability, and reducing the occurrence of complications.

CN223682891UActive Publication Date: 2025-12-19AFFILIATED HOSPITAL OF JINING MEDICAL UNIV
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Patent Information

Application Number
CN202520333290.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2025-12-19
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

After tracheotomy, the respiratory tract loses its warming and humidifying function, resulting in weakened ciliary activity, dry mucosa, dried secretions, and poor expectoration. This easily leads to complications such as airway obstruction and lower respiratory tract infection. Existing methods are inconvenient for fixation, lack sterile conditions, and are cumbersome to operate.

Method used

Design a metal endotracheal cannula that can be connected to a ventilator. It has an internal metal inner tube that is connected to the ventilator. Gas heating and humidification are achieved through fixing components and heating tubes to ensure a stable and airtight connection. Locking components are used to enhance the connection tightness.

Benefits of technology

It ensures smooth airway ventilation, reduces complications, guarantees connection stability and sealing, improves operational convenience and safety, and adapts to complex working environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of medical equipment, in particular to a metal tracheal cannula capable of being connected with a breathing machine, which comprises a metal cannula, a connector arranged at one end of the metal cannula, a metal inner cannula mounted in the metal cannula and used for being connected with the breathing machine, and a connecting ring mounted on the periphery of one end of the metal inner cannula. The metal inner sleeve is provided with a fixing assembly used for fixing the metal inner sleeve in the metal sleeve. Through the matching design of the metal sleeve, the metal inner sleeve and the connector, a connection mode which is stable in structure and convenient to operate is provided, the metal inner sleeve is fixed in the metal sleeve through the fixing assembly, stability and strength of connection are ensured, and in addition, due to the design of the heating pipe on the fixing ring, the heating efficiency is improved. And the heating pipe is connected with the heating and humidifying functions of the breathing machine, so that gas in the pipeline can be conveniently heated and humidified.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment field, in particular to a metal tracheal cannula capable of being connected with a breathing machine. BACKGROUND

[0002] Tracheotomy is an important measure for solving respiratory obstruction, keeping respiratory tract unobstructed and treating critical patients in clinic.

[0003] However, after tracheotomy, the warming and humidifying function of the upper respiratory tract is lost, causing the cilia of the respiratory tract to weaken or disappear, the mucosa to dry, the secretions to dry and harden, the sputum to be difficult to expel, and even serious complications such as airway obstruction, atelectasis and lower respiratory tract infection. SUMMARY

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a metal tracheal cannula capable of being connected with a breathing machine, which is capable of being stably arranged in the metal sleeve and connected with the breathing machine by arranging a metal inner cannula in the metal sleeve, and the gas generated by the breathing machine is heated and humidified, the respiratory tract of the patient is kept smooth, and the occurrence of complications is reduced.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a metal tracheal cannula capable of being connected with a breathing machine, which comprises a metal cannula, a connecting head arranged at one end of the metal cannula, a metal inner cannula arranged in the metal cannula and used for being connected with the breathing machine, a connecting ring arranged at one end of the metal inner cannula, and a fixing assembly arranged in the metal inner cannula and used for fixing the metal inner cannula in the metal cannula.

[0006] As a preferred technical scheme of the utility model, the locking assembly comprises a limiting block, a moving groove one is formed on one side of the connecting ring, the limiting block is movably arranged in the moving groove one, a limiting groove is formed on the inner side of the moving groove one, a limiting column is arranged in the limiting groove, a spring is arranged on the periphery of the limiting column, a connecting block is arranged on the periphery of the limiting column, the spring is arranged on one side of the connecting block, the connecting block is fixedly connected with the limiting block, a moving groove two is formed on the periphery of the connecting ring, a moving block is movably arranged in the moving groove two, the moving block is fixedly connected with the connecting block, the limiting block is arranged in the fixed groove, and the limiting block is arranged on the side of the fixed buckle.

[0007] As a preferred technical scheme of the utility model, a thread is formed on the periphery of one end of the metal inner sleeve pipe, and the connecting ring is fixed on the metal inner sleeve pipe through the thread.

[0008] As a preferred technical scheme of the utility model, the connection between the metal inner sleeve pipe and the connecting ring is sealed.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] The metal sleeve pipe, the metal inner sleeve pipe and the connecting head are cooperatively designed, so that a stable and convenient operation connecting mode is provided, the metal inner sleeve pipe is fixed in the metal sleeve pipe through the fixing assembly, so that the stability and strength of the connection are ensured, the fixed ring and the fixed buckle on the side thereof are matched with the fixed groove in the connecting head, so that the device can maintain good sealing property and reliability during use, in addition, the heating pipe on the fixed ring is designed, the heating pipe is connected with the heating and humidifying function of the breathing machine, the gas in the pipeline can be heated and humidified, the functionality and applicability of the device are further optimized, the locking assembly is introduced, so that the fastening effect of the connection is enhanced, and the stability and safety of the device in the complex working environment are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0012] Figure 2 It is a three-dimensional structure sectional view of the utility model;

[0013] Figure 3 It is a sectional view of the metal inner sleeve pipe in the utility model;

[0014] Figure 4 It is Figure 2 It is an enlarged view of A in the utility model.

[0015] Wherein: 10, metal sleeve; 11, connecting head; 12, metal inner sleeve; 13, connecting ring; 20, fixed ring; 21, heating pipe; 22, fixed buckle; 23, screw; 24, fixed groove; 25, moving groove one; 26, limiting block; 27, limiting groove; 28, limiting column; 29, spring; 210, connecting block; 211, moving groove two; 212, moving block. DETAILED DESCRIPTION

[0016] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. In the following embodiments, the experimental methods are conventional methods, and the materials used in the following embodiments are commercially available unless otherwise specified.

[0017] Please refer to Figures 1-4 The utility model provides a kind of metal tracheal cannula connectable breathing machine, including metal sleeve 10, metal sleeve 10 one end is provided with connecting head 11, metal sleeve 10 inside is equipped with the metal inner sleeve 12 for being connected with breathing machine, metal inner sleeve 12 one end is equipped with connecting ring 13 on the periphery, metal inner sleeve 12 is equipped with the fixed assembly for being fixed in metal sleeve 10 inside metal inner sleeve 12;Fixed assembly includes fixed ring 20, fixed ring 20 is fixedly arranged in one end of metal inner sleeve 12, fixed ring 20 side is equipped with several heating pipes 21, fixed ring 20 side is fixedly provided with fixed buckle 22, connecting head 11 inside is provided with fixed groove 24, fixed buckle 22 is arranged in fixed groove 24 inside, connecting ring 13 periphery is provided with locking assembly for stabilizing the connection of metal inner sleeve 12 and metal sleeve 10

[0018] In the case, by the cooperation design of metal sleeve 10, metal inner sleeve 12 and connecting head 11, a kind of stable structure and convenient operation connection mode is provided for it, metal inner sleeve 12 is fixed in metal sleeve 10 inside by fixed assembly, the stability and strength of connection are ensured, fixed ring 20 and the fixed buckle 22 on its side are matched with fixed groove 24 in connecting head 11 inside, so that the device can maintain good sealing property and reliability in use process, in addition, the design of heating pipe 21 on fixed ring 20, heating pipe 21 connects the heating humidification function of breathing machine, it is convenient to warm and humidify gas in pipeline, further optimize the functionality and applicability of device, the introduction of locking assembly enhances the fastening effect of connection, ensures the stability and safety of device in complex working environment, wherein the temperature of heating is the temperature suitable for human body.

[0019] The locking assembly comprises a limiting block 26, a moving slot 25 is formed on one side of the connecting ring 13, the limiting block 26 is movably arranged in the moving slot 25, a limiting slot 27 is formed on the inner side of the moving slot 25, a limiting column 28 is arranged in the limiting slot 27, a spring 29 is arranged on the periphery of the limiting column 28, a connecting block 210 is arranged on the periphery of the limiting column 28, the spring 29 is arranged on one side of the connecting block 210, the connecting block 210 is fixedly connected with the limiting block 26, and a moving slot 211 is formed on the periphery of the connecting ring 13.

[0020] Through the design of the locking assembly, the locking and stable connection of the metal tracheal cannula are realized, the limiting block 26 is movably arranged in the moving slot 25, so that the assembly is more convenient to install and disassemble, the cooperation of the limiting slot 27 and the limiting column 28 effectively prevents the displacement of the assembly during use, maintains the stability of the connection, the spring 29 provides elastic support, so that the limiting column 28 can always maintain a locked state, and the stability of the device is improved, and the design of the moving slot 211 and the moving block 212 further enhances the adjustability of the connecting assembly. By moving the moving block 212 to unlock the locking device, the metal inner sleeve 12 can be fixedly contacted.

[0021] The limiting block 26 is arranged in the fixed slot 24, and the limiting block 26 is arranged on the side of the fixed buckle 22.

[0022] By arranging the limiting block 26 in the fixed slot 24 and arranging the limiting block 26 on the side of the fixed buckle 22, the limiting block 26 plays a limiting role on the fixed buckle 22, further enhances the connection stability, and ensures the normal operation of the device

[0023] A thread 23 is formed on the periphery of one end of the metal inner sleeve 12, and the connecting ring 13 is fixed on the metal inner sleeve 12 through the thread 23.

[0024] By arranging the thread 23 on the periphery of one end of the metal inner sleeve 12 and using the connecting ring 13 to fix the thread 23, the firm connection between the inner and outer sleeves is ensured, the thread 23 fixing mode improves the connection strength, and has the characteristics of being detachable, facilitating the installation and maintenance of the device. The use of the thread 23 structure also enhances the air tightness, avoids the air leakage problem caused by loosening during use.

[0025] The connection between the metal inner sleeve 12 and the connecting ring 13 is sealed.

[0026] The sealing treatment of the connection between the metal inner sleeve 12 and the connecting ring 13 improves the air tightness of the device, avoids the influence of gas leakage on the operation effect of the breathing machine, can ensure the efficient transmission of the gas in the pipeline, and reduces the interference of the external environment on the internal airflow, and the sealing treatment improves the use safety and stability.

[0027] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A metal tracheal cannula connectable to a breathing machine, comprising a metal cannula (10) provided with a connecting head (11) at one end, a metal inner cannula (12) for connection to a breathing machine being mounted inside the metal cannula (10), a connecting ring (13) being mounted on the periphery of one end of the metal inner cannula (12), characterized in that: The metal inner sleeve (12) is provided with a fixing assembly for fixing the metal inner sleeve (12) inside the metal sleeve (10); The fixing assembly comprises a fixing ring (20) fixedly arranged at one end of the metal inner sleeve (12), a plurality of heating pipes (21) mounted on the side of the fixing ring (20), and a fixing buckle (22) fixedly arranged on the side of the fixing ring (20); the connecting head (11) is internally provided with a fixing groove (24), the fixing buckle (22) is arranged inside the fixing groove (24), and the outer periphery of the connecting ring (13) is provided with a locking assembly for stably connecting the metal inner sleeve (12) and the metal sleeve (10).

2. A metallic tracheal cannula connectable to a breathing machine according to claim 1, characterized in that: The locking assembly comprises a limiting block (26), the connecting ring (13) is provided with a moving groove one (25) on one side, the limiting block (26) is movably arranged inside the moving groove one (25), a limiting groove (27) is formed in the inner side of the moving groove one (25), a limiting column (28) is arranged inside the limiting groove (27), a spring (29) is arranged on the outer periphery of the limiting column (28), a connecting block (210) is arranged on the outer periphery of the limiting column (28), the spring (29) is arranged on one side of the connecting block (210), the connecting block (210) is fixedly connected with the limiting block (26), the outer periphery of the connecting ring (13) is provided with a moving groove two (211), a moving block (212) is movably arranged inside the moving groove two (211), and the moving block (212) is fixedly connected with the connecting block (210).

3. A metallic tracheal cannula connectable to a breathing machine according to claim 2, characterized in that: The limiting block (26) is arranged inside the fixing groove (24), and the limiting block (26) is arranged on the side of the fixing buckle (22).

4. A metallic tracheal cannula connectable to a breathing machine according to claim 1, characterized in that: The outer periphery of one end of the metal inner sleeve (12) is provided with a thread (23), and the connecting ring (13) is fixed on the metal inner sleeve (12) through the thread (23).

5. A metallic tracheal cannula connectable to a breathing machine according to claim 1, characterized in that: The connection between the metal inner sleeve (12) and the connecting ring (13) is sealed.