Telescopic ponding-preventing breathing tube for severe nursing breathing machine

Abstract

The invention discloses a telescopic water accumulation prevention breathing tube for a critical care breathing machine, and relates to the technical field of breathing machine accessories. One end of the flexible elastic tube body is provided with a breathing machine connector, and the other end of the flexible elastic tube body is provided with a breathing mask connector. The waterproof breathable film is arranged on the inner side of the flexible elastic pipe body; the antibacterial material layer wraps the outer side of the flexible elastic tube body; the heating wire is embedded and wound on the peripheral side of the flexible elastic pipe body; the gas exchange structure comprises a plurality of miniature gas channels arranged in the flexible elastic pipe body, the miniature gas channels are distributed on the whole length of the flexible elastic pipe body, and the surfaces of the miniature gas channels are smooth and free of retardation points; the temperature and humidity controller is fixed at the breathing machine interface and comprises a temperature and humidity sensor, a microprocessor and a heating control circuit module; the condensate water absorbing layer is arranged on the inner side of the waterproof breathable film. By arranging an efficient gas exchange structure and a reliable temperature and humidity control system, the practical value of the breathing tube is greatly improved.

Description

Technical Field

[0001] The invention belongs to the technical field of ventilator accessories, and in particular relates to a retractable water-proof breathing tube for a critical care ventilator. Background Art

[0002] Ventilators are indispensable medical devices in critical care, mainly used to assist or control the patient's breathing process. In cases of acute respiratory distress syndrome, chronic obstructive pulmonary disease, severe pneumonia, etc., ventilators can provide patients with necessary oxygen supply and support to help maintain stable vital signs. Especially in intensive care units, the use of ventilators plays an irreplaceable role in saving lives and promoting recovery. Although modern ventilator technology is quite mature, the traditional breathing circuit system still has some shortcomings:

[0003] During use, due to temperature differences, condensation is easily formed in the breathing tube. This moisture will not only affect gas circulation and increase airway resistance, but may also cause bacterial growth, leading to infection risks. In addition, the accumulation of condensation will cause discomfort to patients and may affect the treatment effect; ideal breathing gas should maintain a suitable temperature and humidity to simulate the natural breathing environment of the human body. However, traditional breathing tubes often lack an effective temperature and humidity regulation mechanism, causing patients to inhale dry or overcooled air, which may irritate the respiratory tract, cause discomfort, and even damage the mucosa; breathing tubes are exposed to the external environment for a long time and are prone to become a medium for the spread of pathogens. Although some products use antibacterial materials, their coverage and durability are often insufficient, making it difficult to completely prevent the growth and reproduction of microorganisms; traditional breathing tubes are mostly made of relatively rigid materials. Although they guarantee a certain degree of durability, they are not flexible enough in actual use and are prone to collapse due to external forces, affecting gas transmission efficiency. At the same time, under frequent bending, the tube body may suffer fatigue damage.

[0004] To this end, we provide a retractable anti-water accumulation breathing tube for a critical care ventilator to solve the above-mentioned problems. Summary of the invention

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a retractable water-proof breathing tube for a critical care ventilator, comprising:

[0007] A flexible elastic tube body, one end of which is provided with a ventilator interface, and the other end of which is provided with a breathing mask interface;

[0008] A waterproof and breathable membrane is arranged inside the flexible elastic tube;

[0009] An antibacterial material layer wrapped around the outside of the flexible elastic tube;

[0010] A heating wire is embedded and wound around the flexible elastic tube body;

[0011] The gas exchange structure includes a plurality of micro airways arranged inside the flexible elastic tube body, the micro airways are distributed over the entire length of the flexible elastic tube body, and the surface is smooth without obstruction points;

[0012] A temperature and humidity controller, fixed at the ventilator interface, comprises a temperature and humidity sensor, a microprocessor and a heating control circuit module;

[0013] The condensation water absorbing layer is arranged on the inner side of the waterproof breathable membrane.

[0014] The present invention is further configured such that the outer wall of the flexible elastic tube body is configured in a corrugated shape, and the flexible elastic tube body is made of medical grade silicone or TPU material, and the ventilator interface and the breathing mask interface are both threadedly connected and equipped with a sealing ring.

[0015] The present invention is further configured such that the waterproof breathable membrane is made of a hydrophobic polymer to form a porous structure with a pore size of 0.1-5 microns, and the thickness of the waterproof breathable membrane is between 0.05-0.2 mm.

[0016] The present invention is further configured such that the antibacterial material layer is made of a composite material containing silver ions or zinc ions and has a thickness between 0.1-0.5 mm.

[0017] The present invention is further configured such that the heating wire is made of a resistance heating material, a connecting wire thereof passes through the ventilator interface, and the wire is connected to a temperature and humidity controller.

[0018] The present invention is further configured such that the condensed water absorption layer is composed of water-absorbing materials such as ultrafine fibers or high molecular weight water-absorbing resins.

[0019] The present invention is further configured such that the diameter of the micro airway is between 0.5-2 mm, and the inside of the micro airway is coated with a hydrophobic coating.

[0020] The present invention is further configured such that an indicator light (604) is provided on the front of the temperature and humidity controller, wherein the indicator light is connected to an alarm module built into the temperature and humidity controller, and the alarm module is connected to the microprocessor via PCB board wiring.

[0021] The present invention is further configured such that the temperature and humidity sensor is embedded in the flexible elastic tube body, and the temperature and humidity sensor is wirelessly connected to a microprocessor.

[0022] The present invention is further configured such that a USB interface and a power interface are provided at the bottom of the temperature and humidity controller, and the power interface is connected to the power supply circuit of the ventilator via a connecting line.

[0023] The present invention has the following beneficial effects:

[0024] 1. The present invention ensures the quality of the gas inhaled by the patient by setting a temperature and humidity controller to monitor and adjust the temperature and humidity in the tube in real time. Especially for patients in critical care, suitable temperature and humidity conditions are crucial and help improve the patient's breathing condition and comfort.

[0025] 2. The present invention effectively avoids the formation and accumulation of condensed water in the tube by providing a waterproof breathable membrane and a condensed water absorption layer, which not only reduces the risk of airway obstruction caused by moisture, but also reduces the possibility of patients inhaling humid air, thereby improving the effectiveness of treatment.

[0026] 3. The present invention significantly reduces the chances of bacteria, fungi and viruses growing and multiplying on the surface of the breathing tube by providing an antibacterial material layer, reduces the risk of cross infection, and ensures patient safety. The flexible elastic tube body is made of medical-grade silicone or TPU material and has a corrugated outer wall structure, so that the tube body has both good flexibility and sufficient pressure resistance, and can remain unobstructed in various bending states, thereby extending the service life.

[0027] 4. The present invention greatly reduces airflow resistance and improves gas exchange efficiency by setting up micro-airways. It is also convenient to maintain the dryness in the pipeline, so that patients can feel smoother airflow during breathing and improve comfort.

[0028] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a front view of the breathing tube in the present invention.

[0031] Figure 2 It is a top view of the breathing tube in the present invention.

[0032] Figure 3 It is a schematic diagram of the layers of the breathing tube in the present invention.

[0033] Figure 4It is a principle block diagram of the present invention.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 100. Flexible elastic tube body; 101. Respirator interface; 102. Respiratory mask interface; 200. Waterproof and breathable membrane; 300. Antibacterial material layer; 400. Heating wire; 500. Gas exchange structure; 501. Micro airway; 600. Temperature and humidity controller; 601. Temperature and humidity sensor; 602. Microprocessor; 603. Heating control circuit module; 604. Indicator light; 605. Alarm module; 700. Condensation water absorption layer. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] Example

[0038] See also Figure 1-4 The present invention is a retractable water-proof breathing tube for a critical care ventilator, comprising:

[0039] A flexible elastic tube body 100, one end of which is provided with a ventilator interface 101, and the other end of which is provided with a breathing mask interface 102, the outer wall of the flexible elastic tube body 100 is arranged in a corrugated shape, and the flexible elastic tube body 100 is made of medical grade silicone or TPU material, the ventilator interface 101 and the breathing mask interface 102 are both threadedly connected, and are equipped with a sealing ring; the flexible elastic tube body 100 is the basic component of the entire breathing tube, which is made of medical grade silicone or thermoplastic polyurethane (TPU) material, both of which have good biocompatibility and mechanical properties, ensuring that no harm is caused to the patient during long-term use, and can withstand certain stretching and bending without being easily damaged, the corrugated outer wall not only increases the flexibility of the flexible elastic tube body 100, but also improves the pressure resistance, preventing it from collapsing when subjected to external pressure, the ventilator interface 101 and the breathing mask interface 102 are threadedly connected to achieve fast and safe installation and disassembly, and the equipped sealing ring effectively prevents gas leakage;

[0040] The waterproof breathable membrane 200 is arranged inside the flexible elastic tube 100. The waterproof breathable membrane 200 is made of a hydrophobic polymer to form a porous structure. The pore size is 0.1-5 microns. The thickness of the waterproof breathable membrane 200 is between 0.05-0.2 mm. The waterproof breathable membrane 200 allows gas molecules to pass freely, but can prevent the penetration of liquid water droplets, thereby avoiding the internal moisture problem caused by condensed water. In addition, the thickness of the membrane is in the range of 0.05-0.2 mm, which ensures sufficient strength without affecting the gas flow.

[0041] The antibacterial material layer 300 is wrapped around the outside of the flexible elastic tube body 100. The antibacterial material layer 300 is made of a composite material containing silver ions or zinc ions and has a thickness of 0.1-0.5 mm. The antibacterial material layer 300 can inhibit the growth and reproduction of various bacteria, fungi and viruses, reduce the risk of cross infection, and not only provide an additional protective barrier, but also help to keep the breathing tube clean and hygienic.

[0042] The heating wire 400 is embedded and wound around the flexible elastic tube body 100. The heating wire 400 is made of a resistance heating material. Its connecting wire passes through the ventilator interface 101, and the wire is connected to the temperature and humidity controller 600. The heating wire 400 is used to maintain the temperature in the tube and prevent the formation of condensed water based on the heat generated by the current passing through the wire. The power line of the heating wire 400 passes through the ventilator interface 101 and is directly connected to the temperature and humidity controller 600. It receives its control instructions to adjust the output power, thereby accurately controlling the temperature environment in the tube.

[0043] The gas exchange structure 500 includes a plurality of micro airways 501 disposed inside the flexible elastic tube body 100. The micro airways 501 are distributed over the entire length of the flexible elastic tube body 100, and the surface is smooth without stagnation points. The diameter of the micro airways 501 is between 0.5 and 2 mm, and the micro airways 501 are coated with a hydrophobic coating. The diameter of the micro airways 501 is set between 0.5 and 2 mm, and the surface is smooth without stagnation points, which ensures smooth gas flow. In order to further optimize the gas exchange efficiency, a layer of hydrophobic coating is coated inside the micro airways 501, which reduces the possibility of water vapor adhesion, makes it difficult for moisture to be retained during breathing, and improves the quality of airflow. The presence of the micro airways 501 significantly reduces the airflow resistance, and the hydrophobic coating inside promotes the effective exchange of gas and improves the treatment efficiency.

[0044] The temperature and humidity controller 600 is fixed at the ventilator interface 101, and includes a temperature and humidity sensor 601, a microprocessor 602 and a heating control circuit module 603. An indicator light 604 is provided on the front of the temperature and humidity controller 600, and the indicator light 604 is connected to an alarm module 605 built in the temperature and humidity controller 600, and the alarm module 605 is connected to the microprocessor 602 via PCB board wiring. The temperature and humidity sensor 601 is embedded in the flexible elastic tube body 100, and the temperature and humidity sensor 601 is wirelessly connected to the microprocessor 602. A USB interface and a power interface are provided at the bottom of the temperature and humidity controller 600, and the power interface is connected to the ventilator power supply circuit via a connecting line; The temperature and humidity sensor 601 monitors the temperature and humidity changes of the flexible elastic tube body 100 in real time, and transmits the data wirelessly to the microprocessor 602 for analysis and processing. According to the preset parameters, the microprocessor 602 will send instructions to the heating control circuit module 603 to adjust the working state of the heating wire 400. The indicator light 604 is used to display the current working state. At the same time, the built-in alarm module 605 will sound an alarm when an abnormal situation is detected. Once the temperature and humidity controller 600 detects any abnormal situation, such as excessive temperature or humidity exceeding the safe range, the alarm module 605 will immediately trigger an alarm to remind medical staff to take corresponding measures. The bottom of the temperature and humidity controller 600 is provided with a USB interface and a power interface for convenient connection to an external power supply or data transmission;

[0045] The condensation water absorption layer 700 is arranged on the inner side of the waterproof breathable membrane 200. The condensation water absorption layer 700 is composed of water-absorbing materials such as ultra-fine fibers or high-molecular water-absorbing resins. When condensation water is generated during breathing, the condensation water absorption layer 700 can quickly absorb moisture to maintain a dry environment for the pipeline system and prevent condensation water from affecting gas circulation, which not only improves the reliability of management, but also enhances the comfort of patients.

[0046] The specific steps for using the retractable anti-water breathing tube for critical care ventilators are as follows:

[0047] 1. Check whether the ventilator interface 101 and the breathing mask interface 102 are clean and intact, and ensure that the sealing ring is intact;

[0048] 2. Connect the ventilator interface 101 to the ventilator securely and check for air leaks. The respiratory mask interface 102 should be properly connected to an appropriate respiratory mask and adjusted to make the patient feel comfortable. Turn on the power switch of the temperature and humidity controller 600 and set the required temperature and humidity parameters, usually according to clinical guidelines or doctor's advice.

[0049] 3. During treatment, pay close attention to the status of the indicator light 604 to confirm that the system is working properly; if an alarm signal appears, immediately find out the cause; regularly check whether the heating wire 400 is working properly to ensure that there is no overheating or other abnormal conditions; clean all interfaces and external surfaces in time after use, and replace consumables such as sealing rings when necessary;

[0050] 4. After the treatment, turn off all power supplies, disconnect all connections, and thoroughly clean and disinfect the entire device for next use.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A retractable water-proof breathing tube for a critical care ventilator, characterized in that: include: A flexible elastic tube body (100) having a ventilator interface (101) at one end and a breathing mask interface (102) at the other end; A waterproof and breathable membrane (200) is arranged inside the flexible elastic tube (100); An antibacterial material layer (300) wrapped around the outside of the flexible elastic tube (100); A heating wire (400) is embedded and wound around the flexible elastic tube (100); The gas exchange structure (500) comprises a plurality of micro airways (501) arranged inside the flexible elastic tube (100), wherein the micro airways (501) are distributed over the entire length of the flexible elastic tube (100) and have a smooth surface without any obstruction points; A temperature and humidity controller (600), fixed to the ventilator interface (101), comprises a temperature and humidity sensor (601), a microprocessor (602) and a heating control circuit module (603); The condensation water absorption layer (700) is arranged inside the waterproof breathable membrane (200).

2. The retractable anti-water accumulation breathing tube for critical care ventilator according to claim 1, characterized in that: The outer wall of the flexible elastic tube (100) is arranged in a corrugated shape, and the flexible elastic tube (100) is made of medical-grade silicone or TPU material. The ventilator interface (101) and the breathing mask interface (102) are both threadedly connected and are equipped with a sealing ring.

3. The retractable anti-water accumulation breathing tube for critical care ventilator according to claim 1, characterized in that: The waterproof breathable membrane (200) is made of a hydrophobic polymer to form a porous structure with a pore size of 0.1-5 microns. The thickness of the waterproof breathable membrane (200) is between 0.05-0.2 mm.

4. The retractable anti-water accumulation breathing tube for critical care ventilator according to claim 1, characterized in that: The antibacterial material layer (300) is made of a composite material containing silver ions or zinc ions and has a thickness between 0.1 and 0.5 mm.

5. The retractable anti-water accumulation breathing tube for critical care ventilator according to claim 1, characterized in that: The heating wire (400) is made of a resistance heating material, and its connecting wire passes through the ventilator interface (101), and the wire is connected to the temperature and humidity controller (600).

6. The retractable anti-water accumulation breathing tube for critical care ventilator according to claim 1, characterized in that: The condensed water absorption layer (700) is composed of water-absorbing materials such as ultrafine fibers or high-molecular water-absorbing resins.

7. The retractable anti-water accumulation breathing tube for critical care ventilator according to claim 1, characterized in that: The diameter of the micro airway (501) is between 0.5 and 2 mm, and the inside of the micro airway (501) is coated with a hydrophobic coating.

8. The retractable anti-water accumulation breathing tube for critical care ventilator according to claim 1, characterized in that: An indicator light (604) is provided on the front of the temperature and humidity controller (600), wherein the indicator light (604) is connected to an alarm module (605) built into the temperature and humidity controller (600), and the alarm module (605) is connected to the microprocessor (602) via PCB board wiring.

9. The retractable anti-water accumulation breathing tube for critical care ventilator according to claim 1, characterized in that: The temperature and humidity sensor (601) is embedded in the flexible elastic tube (100), and the temperature and humidity sensor (601) is wirelessly connected to a microprocessor (602).

10. The retractable anti-water accumulation breathing tube for critical care ventilator according to claim 1, characterized in that: The temperature and humidity controller (600) is provided with a USB interface and a power interface at the bottom, and the power interface is connected to the power supply circuit of the ventilator via a connecting line.

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