Trachea cannula capable of monitoring cuff pressure

Abstract

The trachea cannula capable of monitoring the cuff pressure comprises a hose and a cuff, the cuff is fixedly installed on the side portion of one end of the hose, the upper portion of the cuff is communicated with a breather pipe, and the breather pipe is embedded in the hose; one end of the breather pipe is communicated with a monitoring mechanism, the monitoring mechanism comprises a monitoring part and an adjusting part, the monitoring part is installed on the breather pipe, a detection part of the monitoring part is located in the breather pipe, and the adjusting part is communicated with the breather pipe; the adjusting part comprises a shell, a one-way valve and a flow sensor, the one-way valve is installed at an air inlet of the shell, the air inlet of the shell is communicated with the ventilation pipe, the flow sensor is fixedly installed on the shell, and a sensing part of the flow sensor can sense the flow of air entering the shell. Through the cooperation of the monitoring mechanism and the control system, the pressure change in the cuff can be known, medical staff can know the change of the trachea of a patient according to the pressure change of the cuff, and the measures of treating or replacing the trachea cannula can be taken in time.

Description

Technical Field

[0001] The invention relates to the technical field of endotracheal intubation auxiliary instruments, and in particular to an endotracheal intubation tube capable of monitoring cuff pressure. Background Art

[0002] Tracheal intubation refers to the technique of inserting a special endotracheal tube into the trachea through the glottis. This technique can provide the best conditions for airway patency, ventilation and oxygen supply, respiratory suction and prevention of aspiration. Tracheal intubation technology has become an important measure in the process of cardiopulmonary resuscitation and rescue of critically ill patients with respiratory dysfunction. Tracheal intubation is an important rescue technique commonly used in emergency work. It is one of the most widely used, effective and quickest means of respiratory management. It is a basic skill that medical staff must master proficiently. It plays a vital role in saving patients' lives and reducing mortality.

[0003] During the use of the existing endotracheal tube, since the pressure of the cuff cannot be monitored, when the cuff is too large or too small, effective remedial measures cannot be taken in time, which may easily cause the patient's condition to worsen.

[0004] Therefore, we propose a endotracheal tube capable of monitoring cuff pressure to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a tracheal tube capable of monitoring cuff pressure, so as to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: an endotracheal tube capable of monitoring cuff pressure, comprising a hose and a cuff, wherein the cuff is fixedly mounted on one end side of the hose, the upper part of the cuff is connected to a ventilation tube, and the ventilation tube is embedded in the hose;

[0007] One end of the ventilation pipe is connected to a monitoring mechanism, the monitoring mechanism includes a monitoring component and an adjusting component, the monitoring component is installed on the ventilation pipe, the detection part of the monitoring component is located in the ventilation pipe, and the adjusting component is connected to the ventilation pipe;

[0008] The regulating member includes a shell, a one-way valve and a flow sensor. The one-way valve is installed at the air inlet of the shell. The air inlet of the shell is connected to the ventilation pipe. The flow sensor is fixedly installed on the shell, and the sensing part of the flow sensor can sense the air flow entering the shell.

[0009] In one embodiment of the present invention, the monitoring component is configured as a pressure sensor, and the monitoring component can monitor the pressure in the cuff.

[0010] In one embodiment of the present invention, a liquid inlet hole is provided on the side of the hose, a tube cavity is provided on the side wall of the hose, the tube cavity is connected to the liquid inlet hole, a liquid guide tube connected to the tube cavity is provided on the side wall of the hose at one end away from the liquid inlet hole, and the liquid outlet end of the liquid guide tube is connected to a liquid suction component.

[0011] In one embodiment of the present invention, the liquid suction component includes a liquid suction pump, a liquid collection box and a liquid discharge pipe. The liquid inlet end of the liquid suction pump is connected to the liquid outlet end of the liquid guide tube, and the liquid suction pump is connected to the liquid collection box through the liquid discharge pipe.

[0012] In one embodiment of the present invention, an observation assembly is detachably mounted on the air inlet end of the hose, and the observation assembly is connected to the air outlet of the ventilator.

[0013] In one embodiment of the present invention, the observation assembly includes a transparent shell and a wind wheel, the air inlet end of the transparent shell is connected to the air outlet of the ventilator, the air outlet of the transparent shell is connected to the air inlet end of the hose, and the wind wheel is rotatably installed in the transparent shell.

[0014] In one embodiment of the present invention, scale lines are provided on the side of the liquid collection box, and the scale lines are used to display the liquid collected in the liquid collection box.

[0015] In one embodiment of the present invention, a liquid discharge nozzle is provided at the bottom of the liquid storage tank, and a solenoid valve is fixedly mounted on the liquid discharge nozzle.

[0016] In one embodiment of the present invention, it also includes a control system, which includes a liquid pumping module, a liquid level sensing module, a liquid discharge module, a central processing unit, a signal receiving module, a pressure sensing module and a flow sensing module. The liquid pumping module, the liquid level sensing module, the liquid discharge module, the pressure sensing module and the flow sensing module are all connected to the signal receiving module by signal, and the signal receiving module is connected to the central processing unit by signal.

[0017] In one embodiment of the present invention, the extraction module is used to extract tracheal secretions collected on the cuff;

[0018] The liquid level sensing module is used to monitor the volume of secretions in the liquid storage tank;

[0019] The liquid discharge module is used to discharge the secretions in the liquid storage tank;

[0020] The pressure sensing module is used to monitor the pressure in the cuff;

[0021] The flow sensing module is used to monitor the air flow at the connection portion between the shell and the ventilation pipe.

[0022] In summary, due to the adoption of the above technology, the beneficial effects of the present invention are:

[0023] In the present invention, by using the monitoring mechanism, after the tracheal tube is inserted into the patient's trachea, when the cuff pressure changes, the monitoring component can sense the pressure in the cuff, and through the cooperation of the monitoring mechanism and the control system, the pressure change in the cuff can be known. Medical staff can understand the changes in the patient's trachea according to the pressure change of the cuff, and can take measures to save or replace the tracheal tube in time;

[0024] By using the wash assembly, the tracheal secretions collected above the cuff can enter the lumen from the liquid inlet hole through the suction pump, and then enter the liquid collection box through the drainage tube for collection, which can effectively prevent the secretions from accumulating in the patient's trachea.

[0025] By observing the use of the components, after oxygen enters the transparent shell, it can drive the wind wheel to rotate, so that the medical hospital can understand whether the ventilator is supplying oxygen normally;

[0026] By using the solenoid valve and the discharge nozzle in conjunction with the control system, the secretions collected in the fluid collection box can be automatically discharged at a regular interval, which can effectively reduce the workload of medical staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the present invention;

[0028] Figure 2 is a cross-sectional schematic diagram of a hose of the present invention;

[0029] Figure 3 For the present invention Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0030] Figure 4 For the present invention Figure 1 A magnified schematic diagram of the structure of the middle B section;

[0031] Figure 5 For the present invention Figure 2 Enlarged schematic diagram of the structure of the middle C section;

[0032] Figure 6 It is a schematic diagram of the axonometric measurement of the housing of the present invention;

[0033] Figure 7 It is a schematic block diagram of the control system of the present invention.

[0034] In the figure: 1. hose; 2. cuff; 3. ventilation tube; 4. monitoring part; 5. adjusting part; 6. shell; 7. one-way valve; 8. flow sensor; 9. liquid inlet hole; 10. lumen; 11. liquid guide tube; 12. suction pump; 13. liquid accumulation box; 14. discharge pipe; 15. transparent shell; 16. wind wheel; 17. scale line; 18. discharge nozzle; 19. solenoid valve. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0036] In the description of the present invention, it is necessary to understand that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0037] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances of the specification.

[0038] Example 1

[0039] See also Figure 1-Figure 7 The present invention provides an endotracheal cannula capable of monitoring cuff pressure, comprising a hose 1 and a cuff 2, wherein the cuff 2 is fixedly mounted on one end side of the hose 1, and the upper part of the cuff 2 is connected to a ventilating tube 3, and the ventilating tube 3 is embedded in the hose 1;

[0040] One end of the vent pipe 3 is connected to a monitoring mechanism, and the monitoring mechanism includes a monitoring component 4 and an adjusting component 5. The monitoring component 4 is installed on the vent pipe 3, and the detection part of the monitoring component 4 is located in the vent pipe 3. The adjusting component 5 is connected to the vent pipe 3;

[0041] The regulating member 5 includes a housing 6, a one-way valve 7 and a flow sensor 8. The one-way valve 7 is installed at the air inlet of the housing 6. The air inlet of the housing 6 is communicated with the vent pipe 3. The flow sensor 8 is fixedly installed on the housing 6, and the sensing part of the flow sensor 8 can sense the air flow entering the housing 6.

[0042] The monitoring component 4 is configured as a pressure sensor, and the monitoring component 4 can monitor the pressure in the cuff 2 .

[0043] By adopting the above scheme, through the use of the monitoring mechanism, after the tracheal tube is inserted into the patient's trachea, when the pressure of the cuff 2 changes, the monitoring component can sense the pressure in the cuff 2, and by cooperating with the control system, the pressure change in the cuff 2 can be known. Medical staff can understand the changes in the patient's trachea based on the pressure change of the cuff 2, and can take timely measures to treat or replace the tracheal tube.

[0044] In this embodiment, a liquid inlet hole 9 is provided on the side of the hose 1, a lumen 10 is provided on the side wall of the hose 1, the lumen 10 is connected to the liquid inlet hole 9, a liquid guide tube 11 connected to the lumen 10 is provided on the side wall of the hose 1 at one end away from the liquid inlet hole 9, and the liquid outlet end of the liquid guide tube 11 is connected to a liquid suction assembly;

[0045] The liquid suction assembly includes a liquid suction pump 12 , a liquid collection box 13 and a liquid discharge pipe 14 . The liquid inlet end of the liquid suction pump 12 is connected to the liquid outlet end of the liquid guide tube 11 , and the liquid suction pump 12 is connected to the liquid collection box 13 through the liquid discharge pipe 14 .

[0046] By adopting the above scheme, through the use of the washing liquid component, the tracheal secretions collected above the cuff 2 can enter the lumen 10 from the liquid inlet hole 9 through the operation of the suction pump 12, and then enter the liquid collection box 13 through the drainage pipe 14 for collection, which can effectively prevent the secretions from accumulating in the patient's trachea.

[0047] In this embodiment, the air inlet end of the hose 1 is detachably mounted with an observation assembly, and the observation assembly is connected to the air outlet of the ventilator;

[0048] The observation assembly includes a transparent shell 15 and a wind wheel 16 , the air inlet end of the transparent shell 15 is connected to the air outlet of the ventilator, the air outlet of the transparent shell 15 is connected to the air inlet end of the hose 1 , and the wind wheel 16 is rotatably installed in the transparent shell 15 .

[0049] By adopting the above scheme, through the use of the observation assembly, after oxygen enters the transparent shell 15, the wind wheel 16 can be driven to rotate, so that the medical hospital can understand whether the ventilator is supplying oxygen normally.

[0050] In this embodiment, scale lines 17 are provided on the side of the liquid collection box 13 , and the scale lines 17 are used to display the liquid collected in the liquid collection box 13 .

[0051] By adopting the above solution and using the scale line 17, when the liquid level sensing module fails to transmit information in time, the medical staff can intuitively understand the amount of liquid stored in the liquid storage tank 13 and discharge it in time.

[0052] In this embodiment, a liquid discharge nozzle 18 is disposed at the bottom of the liquid storage box 13 , and a solenoid valve 19 is fixedly mounted on the liquid discharge nozzle 18 .

[0053] By adopting the above scheme, the solenoid valve 19 and the liquid discharge nozzle 18 are used in conjunction with the control system, and the secretions collected in the liquid collection box 13 can be automatically discharged at a regular time, which can effectively reduce the workload of medical staff.

[0054] In this embodiment, a control system is also included, the control system includes a liquid pumping module, a liquid level sensing module, a liquid discharge module, a central processing unit, a signal receiving module, a pressure sensing module and a flow sensing module, the liquid pumping module, the liquid level sensing module, the liquid discharge module, the pressure sensing module and the flow sensing module are all connected to the signal receiving module by signal, and the signal receiving module is connected to the central processing unit by signal;

[0055] The liquid extraction module is used to extract the tracheal secretions collected on the cuff;

[0056] The liquid level sensing module is used to monitor the volume of secretions in the liquid storage tank;

[0057] The liquid discharge module is used to discharge the secretions in the liquid storage tank;

[0058] The pressure sensing module is used to monitor the pressure in the cuff;

[0059] The flow sensing module is used to monitor the air flow at the connection portion between the shell and the ventilation pipe.

[0060] It should be noted that the pressure sensing module is set as a monitoring component, the flow sensing module is set as a flow sensor, the liquid level sensing module is set as a liquid level sensor, the liquid pumping module is set as a liquid suction pump, and the liquid discharge module is set as a solenoid valve.

[0061] By adopting the above scheme, through the use of the control module, when the pressure sensing module monitors the pressure change of the cuff 2, the signal is sent to the control module through the signal receiving module, and the control module notifies the medical staff to handle it. By using the liquid level sensing module, when the secretions in the fluid accumulation tank reach the sensing part of the liquid level sensor, the liquid level sensor transmits the information to the control module through the signal receiving module, and the control module opens the solenoid valve to discharge the secretions in the fluid accumulation tank. After the shooting, the solenoid valve is closed. Through the cooperation of the control module and the liquid extraction module, the secretions accumulated on the cuff 2 can be cleaned regularly to prevent the secretions from accumulating and infiltrating into the lungs.

[0062] Working principle: through the use of the monitoring mechanism, after the tracheal tube is inserted into the patient's trachea, when the pressure of the cuff 2 changes, the monitoring component can sense the pressure in the cuff 2. Through the cooperation of the monitoring mechanism and the control system, the pressure change in the cuff 2 can be known. The medical staff can understand the changes in the patient's trachea according to the pressure change of the cuff 2, and can take timely measures to treat or replace the tracheal tube; through the use of the washing liquid component, the tracheal secretions collected above the cuff 2 can be made to enter the lumen 10 from the liquid inlet hole 9 through the operation of the suction pump 12, and then enter the liquid collection box 13 through the discharge pipe 14 for collection, which can effectively prevent the secretions from accumulating in the patient's trachea; through the use of the observation component, after the oxygen enters the transparent shell 15, it can drive the wind wheel 16 to rotate, so that the medical hospital can understand whether the ventilator is supplying oxygen normally; through the use of the electromagnetic valve 19 and the discharge nozzle 18 in conjunction with the control system, the secretions collected in the liquid collection box 13 can be automatically discharged at a regular time, which can effectively reduce the workload of medical staff.

[0063] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

[0064] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. An endotracheal tube capable of monitoring the pressure of a cuff (2), comprising a hose (1) and a cuff (2), characterized in that: The cuff (2) is fixedly mounted on one end side of the hose (1); the upper portion of the cuff (2) is connected to a vent pipe (3), and the vent pipe (3) is embedded in the hose (1); One end of the ventilation pipe (3) is connected to a monitoring mechanism, the monitoring mechanism comprising a monitoring component (4) and an adjusting component (5), the monitoring component (4) is mounted on the ventilation pipe (3), a detection portion of the monitoring component (4) is located inside the ventilation pipe (3), and the adjusting component (5) is connected to the ventilation pipe (3); The regulating member (5) comprises a housing (6), a one-way valve (7) and a flow sensor (8); the one-way valve (7) is installed at the air inlet of the housing (6); the air inlet of the housing (6) is connected to the ventilation pipe (3); the flow sensor (8) is fixedly installed on the housing (6), and the sensing part of the flow sensor (8) is capable of sensing the air flow entering the housing (6).

2. An endotracheal tube capable of monitoring the pressure of the cuff (2) according to claim 1, characterized in that: The monitoring component (4) is configured as a pressure sensor, and the monitoring component (4) is capable of monitoring the pressure in the cuff (2).

3. An endotracheal tube capable of monitoring the pressure of the cuff (2) according to claim 1, characterized in that: The side of the hose (1) is provided with a liquid inlet hole (9), the side wall of the hose (1) is provided with a tube cavity (10), the tube cavity (10) is connected with the liquid inlet hole (9), and the side wall of the hose (1) at one end away from the liquid inlet hole (9) is provided with a liquid guide tube (11) connected with the tube cavity (10), and the liquid outlet end of the liquid guide tube (11) is connected with a liquid suction component.

4. An endotracheal tube capable of monitoring the pressure of the cuff (2) according to claim 3, characterized in that: The liquid suction component comprises a liquid suction pump (12), a liquid collection box (13) and a liquid discharge pipe (14); the liquid inlet end of the liquid suction pump (12) is connected to the liquid outlet end of the liquid guide tube (11); and the liquid suction pump (12) is connected to the liquid collection box (13) via the liquid discharge pipe (14).

5. The endotracheal tube capable of monitoring the pressure of the cuff (2) according to claim 1, characterized in that: An observation component is detachably mounted on the air inlet end of the hose (1), and the observation component is connected to the air outlet of the ventilator.

6. An endotracheal tube capable of monitoring the pressure of the cuff (2) according to claim 5, characterized in that: The observation assembly comprises a transparent shell (15) and a wind wheel (16), wherein the air inlet end of the transparent shell (15) is connected to the air outlet of the ventilator, the air outlet of the transparent shell (15) is connected to the air inlet end of the hose (1), and the wind wheel (16) is rotatably mounted in the transparent shell (15).

7. An endotracheal tube capable of monitoring the pressure of the cuff (2) according to claim 4, characterized in that: The side of the liquid collection box (13) is provided with scale lines (17), and the scale lines (17) are used to display the liquid collected in the liquid collection box (13).

8. An endotracheal tube capable of monitoring the pressure of the cuff (2) according to claim 4, characterized in that: A liquid discharge nozzle (18) is provided at the bottom of the liquid storage box (13), and a solenoid valve (19) is fixedly mounted on the liquid discharge nozzle (18).

9. The endotracheal tube capable of monitoring cuff pressure according to claim 1, characterized in that: It also includes a control system, which includes a liquid pumping module, a liquid level sensing module, a liquid discharge module, a central processing unit, a signal receiving module, a pressure sensing module and a flow sensing module. The liquid pumping module, the liquid level sensing module, the liquid discharge module, the pressure sensing module and the flow sensing module are all connected to the signal receiving module by signal, and the signal receiving module is connected to the central processing unit by signal.

10. The endotracheal tube capable of monitoring cuff pressure according to claim 9, characterized in that: The liquid extraction module is used to extract the tracheal secretions collected on the cuff; The liquid level sensing module is used to monitor the volume of secretions in the liquid storage tank; The liquid discharge module is used to discharge the secretions in the liquid storage tank; The pressure sensing module is used to monitor the pressure in the cuff; The flow sensing module is used to monitor the air flow at the connection portion between the shell and the ventilation pipe.

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