Tracheotomy cannula

Abstract

The invention discloses a tracheotomy cannula, which belongs to the technical field of medical instruments and comprises a cannula body, and the wall of the cannula body is provided with a cavity and is divided into an outer wall and an inner wall; the sealing air bag is arranged on the cannula body and located at one end close to the insertion end of the cannula body, the sealing air bag is communicated with a first inflation / deflation assembly, and the first inflation / deflation assembly is used for inflating and deflating the sealing air bag; the cleaning mechanism is arranged on the cannula body and located on the side, away from the insertion end, of the sealing air bag, and the cleaning mechanism communicates with a liquid drainage assembly and is used for cleaning mistakenly-sucked objects and secretions. By means of the pressure sensor arranged in the sealing air bag, the pressure in the sealing air bag can be controlled, the sealing air bag is always kept to be properly attached to the tracheal wall, and the situation that the diaphragm layer between the cannula body and the esophagus is damaged due to the fact that the pressure in the sealing air bag is too high can be avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to a tracheotomy cannula. Background Art

[0002] Tracheotomy is a procedure that involves cutting open the cervical trachea and inserting a silicone cannula. It is a common procedure used to relieve dyspnea caused by laryngeal origin, respiratory dysfunction, or retention of lower respiratory tract secretions.

[0003] Tracheostomy tubes often pose a risk of aspiration during medical procedures. To prevent this, the outer wall of the tube is designed with an airbag. However, aspirated material on the airbag cannot be cleared on its own, and the airbag cannot always maintain a proper fit with the tracheal wall to achieve a complete seal. Summary of the Invention

[0004] In order to solve the above problems, the present invention adopts the following technical solutions:

[0005] A tracheotomy tube, comprising:

[0006] The sleeve body has a tube wall with a cavity, which is divided into an outer wall and an inner wall;

[0007] a sealing airbag, the sealing airbag being disposed on the cannula body and located at an end close to the insertion end of the cannula body, the sealing airbag being connected to a first inflation / deflation assembly for inflating and deflation the sealing airbag;

[0008] A cleaning mechanism is provided on the sleeve body and is located on a side of the sealing airbag away from the insertion end. The cleaning mechanism is connected to a drainage component and is used to clean aspirated objects and secretions.

[0009] Furthermore, it also includes:

[0010] A saline flushing tube, wherein the first end of the saline flushing tube is located outside the sleeve body and is connected to a syringe, and the second end extends into the cavity. The outer wall of the sleeve body near the external connection end is provided with multiple layers of drainage ports. The saline flushing tube, the cavity and the drainage ports form a flow channel for the flow of the flushing liquid.

[0011] Furthermore, the multiple layers of drainage ports are spaced apart along the length direction of the sleeve body, the drainage ports of each layer are arranged in a ring shape, and the drainage ports of two adjacent layers are arranged in a staggered manner.

[0012] Furthermore, the first inflation / deflation assembly includes:

[0013] a first charging / discharging / air pipe, the first charging / discharging / air pipe being disposed in the cavity, with a first end extending to the outside of the sleeve body and a second end communicating with the sealing airbag, a pressure sensor being disposed in the sealing airbag, and the pressure sensor being electrically connected to a controller;

[0014] A micro suction pump is provided on the first charging / discharging / air pipe, and the controller is electrically connected to the micro suction pump.

[0015] Furthermore, the cleanup agency includes:

[0016] an annular collecting airbag, the annular collecting airbag being provided on the sleeve body and located on a side of the sealing airbag away from the insertion end, the annular collecting airbag having an annular recess therein;

[0017] a second inflation / discharge / air pipe, the second inflation / discharge / air pipe being disposed in the cavity, with a first end extending to the outside of the sleeve body and a second end being in communication with the annular air collection bag;

[0018] an annular collecting main pipe, the annular collecting main pipe matches the annular recess and is disposed in the annular recess;

[0019] A plurality of groove collecting ports, wherein the plurality of groove collecting ports are evenly arranged on the annular collecting air bag;

[0020] a liquid drain pipe, the liquid drain pipe being disposed in the cavity, with a first end extending to the outside of the sleeve body and a second end communicating with the annular collecting main pipe;

[0021] A negative pressure aspirator is connected to the first end of the second inflation / discharge / air tube, and the negative pressure aspirator is electrically connected to the controller.

[0022] Furthermore, the notch of the groove collecting port is a necked port.

[0023] Furthermore, the plurality of groove collecting ports are arranged in a ring shape.

[0024] Furthermore, the outer wall and the inner wall of the sleeve body are coated with a nano antibacterial material coating.

[0025] Beneficial effects:

[0026] The present invention can control the pressure in the sealing airbag by setting a pressure sensor in the sealing airbag, always maintaining a moderate fit with the tracheal wall, and also avoiding damage to the diaphragm layer between the sleeve body and the esophagus due to excessive pressure in the sealing airbag.

[0027] The present invention provides a cleaning mechanism, and while maintaining the basic pressure, the annular collection air bag periodically slightly deflates and inflates, utilizes deformation to peel off attachments, flushes with saline, and cleans through a drainage pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the overall structure of the tracheotomy tube of the present invention;

[0029] Figure 2 This is a schematic diagram of the internal structure of the tracheotomy tube of the present invention;

[0030] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0031] Among them, 1. cannula body; 2. sealing airbag; 3. drainage port; 4. first charging / discharging / air pipe; 5. annular collection airbag; 6. annular collection main pipe; 7. groove collection port; 8. second charging / discharging / air pipe; 9. drainage pipe; 10. saline flushing tube. DETAILED DESCRIPTION

[0032] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0033] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it should not be understood as a limitation on the scope of protection of the present invention.

[0034] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0035] In the description of the present invention, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0036] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0037] Example 1

[0038] refer to Figure 1-Figure 3 , a tracheotomy tube, comprising:

[0039] The casing body 1 has a hollow wall and is divided into an outer wall and an inner wall;

[0040] The sealing airbag 2 is provided on the cannula body 1 and is located at one end close to the insertion end of the cannula body 1. The sealing airbag 2 is connected to a first inflation / deflation assembly, which is used to inflate and deflate the sealing airbag 2.

[0041] The cleaning mechanism is provided on the cannula body 1 and is located on the side of the sealing airbag 2 away from the insertion end. The cleaning mechanism is connected to a drainage component for cleaning aspirated materials and secretions.

[0042] In this embodiment, it also includes:

[0043] A saline flushing tube 10 is provided. The first end of the saline flushing tube 10 is located outside the cannula body 1 and is connected to a syringe. The second end of the saline flushing tube 10 extends into the cavity. A multi-layered drainage port 3 is provided on the outer wall of the cannula body 1 near the external connection end. The saline flushing tube 10, the cavity, and the drainage port 3 form a flow channel for the flow of the flushing liquid.

[0044] In this embodiment, the multiple layers of drainage ports 3 are spaced apart along the length direction of the sleeve body 1 , each layer of drainage ports 3 is arranged in a ring shape, and two adjacent layers of drainage ports 3 are arranged in a staggered manner.

[0045] In this embodiment, the first inflation / deflation assembly includes:

[0046] A first charging / discharging / air pipe 4 is disposed in the cavity, with a first end extending to the outside of the sleeve body 1 and a second end communicating with the sealing airbag 2. A pressure sensor is disposed in the sealing airbag 2 and is electrically connected to the controller;

[0047] The micro suction pump is provided on the first charge / discharge / air pipe 4 , and the controller is electrically connected to the micro suction pump.

[0048] The present invention can control the pressure in the sealing airbag by setting a pressure sensor in the sealing airbag, always maintaining a moderate fit with the tracheal wall, and also avoiding damage to the diaphragm layer between the sleeve body and the esophagus due to excessive pressure in the sealing airbag.

[0049] In this embodiment, the cleaning mechanism includes:

[0050] An annular collecting airbag 5 is provided on the cannula body 1 and is located on the side of the sealing airbag 2 away from the insertion end. The annular collecting airbag 5 has an annular recessed portion;

[0051] A second inflation / discharge / air pipe 8 is disposed in the cavity, with a first end extending to the outside of the sleeve body 1 and a second end communicating with the annular air collection bag 5;

[0052] an annular collecting main pipe 6, the annular collecting main pipe 6 matches the annular recess and is disposed in the annular recess;

[0053] Multiple groove collecting ports 7, multiple groove collecting ports 7 are evenly arranged on the annular collecting air bag 5;

[0054] A drain pipe 9 is provided in the cavity, with a first end extending to the outside of the sleeve body 1 and a second end communicating with the annular collecting main pipe 6;

[0055] The negative pressure aspirator is connected to the first end of the second charging / discharging / air tube 8, and the negative pressure aspirator is electrically connected to the controller.

[0056] During specific implementation, the aspirated substances and secretions are sucked into the groove collection port 7 by the negative pressure suction device, and the annular collection air bag 5 is periodically slightly deflated and inflated, and the attachments are peeled off by deformation, rinsed with saline, and cleaned through the drainage tube. When the annular collection air bag 5 is deflated, the collection port 7 contracts to wrap the aspirated substances and secretions, which is more conducive to the cleaning of the aspirated substances and secretions.

[0057] In this embodiment, the notch of the groove collecting opening 7 is a constricted opening.

[0058] The notch of the groove collecting port 7 is a constricted opening, so that aspirated matter and secretions are less likely to escape, and the use effect is better.

[0059] In this embodiment, the plurality of groove collecting ports 7 are arranged in a ring shape.

[0060] In this embodiment, both the outer wall and the inner wall of the sleeve body 1 are coated with a nano-antibacterial material coating.

[0061] In specific implementation, the outer wall and inner wall of the sleeve body 1 are coated with a nano-antibacterial material coating to achieve the antibacterial effect of the sleeve body 1, thereby improving the bacterial infection during mechanical ventilation, reducing the incidence of ventilator-associated pneumonia and saving manpower and material resources.

[0062] Example 2

[0063] In order to improve practicality, this embodiment makes further arrangements based on the embodiment 1.

[0064] In this embodiment, a camera is provided at the insertion end of the cannula body 1, and the information collected by the camera is transmitted wirelessly to the receiving end of the medical staff, which facilitates the medical staff to detect the patient's condition and improves the level and safety of medical care for the patient.

[0065] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A tracheotomy tube, characterized in that: include: The sleeve body has a tube wall with a cavity, which is divided into an outer wall and an inner wall; a sealing airbag, the sealing airbag being disposed on the cannula body and located at an end close to the insertion end of the cannula body, the sealing airbag being connected to a first inflation / deflation assembly for inflating and deflation the sealing airbag; A cleaning mechanism is provided on the sleeve body and is located on a side of the sealing airbag away from the insertion end. The cleaning mechanism is connected to a drainage component and is used to clean aspirated objects and secretions.

2. The tracheotomy tube according to claim 1, characterized in that Also includes: A saline flushing tube, wherein the first end of the saline flushing tube is located outside the sleeve body and is connected to a syringe, and the second end extends into the cavity. The outer wall of the sleeve body near the external connection end is provided with multiple layers of drainage ports. The saline flushing tube, the cavity and the drainage ports form a flow channel for the flow of the flushing liquid.

3. The tracheotomy tube according to claim 2, characterized in that: The multiple layers of drainage ports are spaced apart along the length direction of the sleeve body, the drainage ports of each layer are arranged in a ring shape, and the drainage ports of two adjacent layers are arranged in a staggered manner.

4. The tracheotomy tube according to claim 1, wherein: The first inflation / deflation assembly comprises: a first charging / discharging / air pipe, the first charging / discharging / air pipe being disposed in the cavity, with a first end extending to the outside of the sleeve body and a second end communicating with the sealing airbag, a pressure sensor being disposed in the sealing airbag, and the pressure sensor being electrically connected to a controller; A micro suction pump is provided on the first charging / discharging / air pipe, and the controller is electrically connected to the micro suction pump.

5. The tracheotomy tube according to claim 4, characterized in that: Cleanup agencies include: an annular collecting airbag, the annular collecting airbag being provided on the sleeve body and located on a side of the sealing airbag away from the insertion end, the annular collecting airbag having an annular recess therein; a second inflation / discharge / air pipe, the second inflation / discharge / air pipe being disposed in the cavity, with a first end extending to the outside of the sleeve body and a second end being in communication with the annular air collection bag; an annular collecting main pipe, the annular collecting main pipe matches the annular recess and is disposed in the annular recess; A plurality of groove collecting ports, wherein the plurality of groove collecting ports are evenly arranged on the annular collecting air bag; a liquid drain pipe, the liquid drain pipe being disposed in the cavity, with a first end extending to the outside of the sleeve body and a second end communicating with the annular collecting main pipe; A negative pressure aspirator is connected to the first end of the second inflation / discharge / air tube, and the negative pressure aspirator is electrically connected to the controller.

6. The tracheotomy tube according to claim 5, characterized in that: The notch of the groove collecting port is a necked port.

7. The tracheotomy tube according to claim 5, characterized in that The plurality of groove collecting ports are arranged in a ring shape.

8. The tracheotomy tube according to claim 1, wherein: The outer wall and the inner wall of the sleeve body are both coated with a nano antibacterial material coating.

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