CN215386754U

CN215386754U - Trachea cannula

Info

Publication number: CN215386754U
Application number: CN202121440317.9U
Authority: CN
Inventors: 周晴; 熊曙光; 王晓虹; 徐志强; 何瀚夫
Original assignee: Nuclear Industry 416 Hospital
Current assignee: Nuclear Industry 416 Hospital
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-04
Anticipated expiration: 2031-06-28

Abstract

The utility model provides a tracheal cannula, and aims to solve the problems that in the prior art, during the respiratory process of a patient with the tracheal cannula, condensed water is easy to generate in the tracheal cannula, the condensed water is inconvenient to discharge in a pipeline, and the patient possibly inhales the condensed water during the respiratory process, so that lung infection is possibly caused. This trachea cannula includes: the middle part of the trachea cannula is provided with an air passage for air to pass through; the breathing machine connector is arranged at one end of the trachea cannula and is used for being connected with the air outlet end of the breathing machine; the condensed water filtering mechanism is arranged in the respirator connector; and the water collecting plate is positioned in the air passage, one end of the water collecting plate is arranged on the inner side wall of the air insertion pipe, the other end of the water collecting plate is arranged towards the air inlet direction, and an annular water collecting groove is formed between the inner wall of the air insertion pipe.

Description

Trachea cannula

Technical Field

The utility model relates to the technical field of trachea cannula, in particular to a trachea cannula.

Background

The trachea cannula is a method for placing a special trachea catheter into a trachea or a bronchus through an oral cavity or a nasal cavity and a glottis, provides the best conditions for unobstructed respiratory tract, ventilation and oxygen supply, respiratory tract suction and the like, and is an important measure for rescuing patients with respiratory dysfunction.

The tracheal cannula plays an irreplaceable role in the medical process of patients who suddenly stop breathing, cannot meet the ventilation and oxygen supply requirements of the body and need mechanical ventilation, cannot automatically clear secretion of the upper respiratory tract, patients who suffer from aspiration due to reflux or bleeding of gastric contents, patients who suffer from upper respiratory tract injury, stenosis, obstruction and the like and affect normal ventilation, and patients suffering from central or peripheral respiratory failure.

At present current trachea cannula in the in-service use process, the gas after the humidifying gets into patient's lung, because there is atmospheric pressure inside the patient, the gas after the humidifying that the expired gas meets the entering produces the comdenstion water and attaches to on the pipe wall, inhales the lung with the comdenstion water easily when the patient breathes once more, causes patient's lung to infect scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tracheal cannula which is used for collecting condensed water so as to prevent most of the condensed water from being choked into the lung of a patient, and aims to solve the problem that the lung infection is possibly caused after the patient inhales the condensed water due to the condensed water easily generated in the tracheal cannula in the respiratory process of the patient in the prior art.

The technical scheme adopted by the utility model is as follows:

an endotracheal tube comprising:

the middle part of the trachea cannula is provided with an air passage for air to pass through;

the breathing machine connector is arranged at one end of the trachea cannula and is used for being connected with the air outlet end of the breathing machine;

the condensed water filtering mechanism is arranged in the respirator connector;

and the water collecting plate is positioned in the air passage, one end of the water collecting plate is arranged on the inner side wall of the air insertion pipe, the other end of the water collecting plate is arranged towards the air inlet direction, and an annular water collecting groove used for temporarily storing condensed water is formed between the inner walls of the air insertion pipe.

Optionally, the condensed water filtering mechanism includes:

the mounting piece is mounted in the respirator connector, the middle of the mounting piece is provided with an air channel for air to pass through, and the side wall of the mounting piece is provided with a drainage through hole;

and a waterproof breathable membrane mounted within the channel.

Optionally, the trachea cannula corresponds be equipped with a drainage channel on the lateral wall of annular water catch bowl, drainage channel's export is located the trachea cannula is close to breathing machine connector one end.

Optionally, drainage cotton threads are arranged in the drainage through hole and the drainage channel.

Optionally, the water collection sheet comprises:

one end of the connecting part is connected with the inner wall of the trachea cannula;

one end of the water containing part is connected with the other end of the connecting part, and the other end of the water containing part is arranged towards the air inlet direction of the air insertion pipe;

wherein, connecting portion and water containing portion connect the back with form between the inner wall of trachea cannula annular water catch bowl.

Optionally, the water-collecting plate further includes water retaining part, water retaining part's loudspeaker form, the big one end of diameter with water-holding portion is connected, the little one end of diameter orientation the direction setting of admitting air of gas intubate.

Optionally, a drainage tube is connected to the drainage outlet of the drainage through hole and the drainage outlet of the drainage channel.

Optionally, the trachea cannula is close to be equipped with the deflector on the one end lateral wall of breathing machine connector, the deflector with drainage channel sets up relatively.

Optionally, the drainage outlet of the drainage through hole and the drainage outlet of the drainage channel are both provided with plugs.

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

1. the condensed water in the gas entering the gas intubation tube is subjected to primary filtration through the filtering device, so that excessive condensed water is prevented from directly entering the lung of a patient through the gas intubation tube.

2. The water collecting plate is arranged on the inner wall of the air intubation tube, so that condensed water formed in the air intubation tube can be collected conveniently, and the problems that the condensed water enters the lung of a patient along with breathing, the lung is infected and the like are avoided.

3. The condensed water collected in the annular water collecting tank can be discharged at regular time by medical staff.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a full section of an endotracheal tube;

FIG. 2 is a schematic view of the structure of the water collection sheet;

FIG. 3 is a schematic plan view of the endotracheal tube;

FIG. 4 is a schematic view showing the internal structure of the endotracheal tube;

fig. 5 is a schematic view showing the overall structure of the endotracheal tube.

Reference numerals:

10. a trachea cannula; 11. an airway; 12. a drainage channel; 20. a respirator connector; 30. a condensed water filtering mechanism; 31. a mounting member; 311. a gas channel; 32. a drainage through hole; 33. a waterproof breathable film; 40. a water collection plate; 41. a connecting portion; 42. a water containing part; 43. a water retaining part; 50. an annular water collection tank; 60. draining cotton threads; 70. a flow guide pipe; 80. a guide plate; 90. and (7) a plug.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate an orientation or positional relationship based on that shown in the drawings, or the orientation or positional relationship conventionally used in the use of the products of the present invention, or the orientation or positional relationship conventionally understood by those skilled in the art, are merely for convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In order to solve the problem that during the breathing process of a patient with tracheal intubation in the prior art, condensed water is easy to generate in the tracheal intubation, and after the patient inhales the condensed water, lung infection may be caused, as shown in fig. 1, an embodiment of the present invention provides a tracheal intubation, including:

an endotracheal tube 10 having an airway 11 in the middle for gas to pass through;

the respirator connector 20 is arranged at one end of the trachea cannula 10 and is used for being connected with the air outlet end of a respirator;

the condensed water filtering mechanism 30 is arranged in the respirator connector 20;

and the water collecting plate 40 is positioned in the air passage 11 and is close to one end of the air outlet of the air insertion tube 10, one end of the water collecting plate is arranged on the inner side wall of the air insertion tube 10, the other end of the water collecting plate is arranged towards the air inlet direction, and an annular water collecting groove 50 used for temporarily storing condensed water is formed between the inner walls of the air insertion tube 10.

One end of the trachea cannula 10 can be implanted into a human body, and the end staying outside the human body is provided with a respirator connector 20, so that the trachea cannula 10 and a respirator can be conveniently connected together. When the respirator works, the condensed water generated at the end of the respirator is filtered by the condensed water filtering mechanism 30, so that the condensed water is prevented from entering the air intubation tube 10, the condensed water formed in the air intubation tube 10 is collected by the water collecting plate 40, and the problem that the condensed water enters the lung of a patient along the air passage 11 of the air intubation tube 10 to cause lung infection is avoided.

In another embodiment, as shown in fig. 1, the condensed water filtering mechanism 30 includes:

the mounting piece 31 is mounted in the respirator connector 20, the middle part of the mounting piece is provided with an air channel 311 for air to pass through, and the side wall of the mounting piece is provided with a drainage through hole 32;

and a waterproof, breathable membrane 33 mounted within the channel.

Set up comdenstion water filtering mechanism 30 in the inside of breathing machine connector 20, this comdenstion water filtering mechanism 30 includes installed part 31 and waterproof ventilated membrane 33, installed part 31 for install waterproof ventilated membrane 33, waterproof ventilated membrane 33 blocks in the comdenstion water of breathing machine output enters trachea cannula 10, has set up drainage through hole 32 for convenient drainage of the filterable comdenstion water of comdenstion water filtering mechanism 30.

In another embodiment, as shown in fig. 1 and 3, a drainage channel 12 is provided on the sidewall of the trachea cannula 10 corresponding to the annular water collection groove 50, and the outlet of the drainage channel 12 is located at the end of the trachea cannula 10 close to the ventilator connector 20.

The drainage channels 12 are provided on the side walls of the air insertion tube 10 corresponding to the annular water collection groove 50 in order to facilitate the drainage of the collected condensed water out of the air insertion tube 10. The condensed water generated in the trachea cannula 10 flows along the side wall of the trachea cannula 10 towards one end of the lungs of the human body, and when the condensed water flows to the position where the water collection plate 40 is arranged, the condensed water is blocked by the water collection plate 40, so that the condensed water is stored in the annular water collection groove 50 formed between the water collection plate 40 and the trachea cannula 10, and the condensed water is discharged by the drainage channel 12 arranged on the side wall of the trachea cannula 10.

In another embodiment, as shown in fig. 3, a drainage cotton thread 60 is arranged in each of the drainage through hole 32 and the drainage channel 12.

The drainage cotton thread 60 is arranged in the drainage through hole 32 and the drainage channel 12 to facilitate continuous drainage and avoid air leakage in the drainage process. During the air supply process, the condensed water is contacted with the drainage cotton thread 60 arranged in the drainage through hole 32 and the drainage channel 12, the condensed water is absorbed by the drainage cotton thread 60, and when the drainage cotton thread 60 is completely soaked by the condensed water, the condensed water flows to the outside along the drainage cotton thread 60.

In another embodiment, as shown in fig. 1 and 2, the water collection sheet 40 includes:

a connecting part 41, one end of which is connected with the inner wall of the trachea cannula 10;

a water containing part 42, one end of which is connected with the other end of the connecting part 41, and the other end of which is arranged towards the air inlet direction of the air intubation tube 10;

wherein the annular water collecting groove 50 is formed between the inner wall of the trachea cannula 10 after the connection part 41 and the water containing part 42 are connected.

The water collection sheet 40 is provided in a two-part structure to facilitate collection of the condensed water in the trachea cannula 10. The connecting part 41 is connected with the inner wall of the air insertion tube 10, the water containing part 42 is connected with the connecting part 41, so that a gap is formed between the water containing part 42 and the inner wall of the air insertion tube 10, the gap is the annular water collecting groove 50, and condensed water enters the annular water collecting groove 50 along the air flow direction.

In another embodiment, as shown in fig. 1 and 3, the water collecting plate 40 further includes a water blocking portion 43, the water blocking portion 43 is in a shape of a horn, one end with a larger diameter is connected to the water containing portion 42, and the other end with a smaller diameter is disposed toward the air inlet direction of the air insertion tube 10.

A water retaining part 43 is arranged at one end of the water containing part 42 far away from the connecting part 41, and the water retaining part 43 is used for preventing condensed water entering the annular water collecting groove 50 from flowing out when the patient adjusts the body position.

In another embodiment, as shown in fig. 5, a flow guide tube 70 is connected between the drainage outlet of the drainage through hole 32 and the drainage outlet of the drainage channel 12.

The drainage tube 70 is disposed at the drainage outlet of the drainage hole and the drainage outlet of the drainage channel 12, so as to conveniently and intensively drain the drained condensed water into an external collection bottle, and avoid wetting bed sheets or clothes of patients.

In another embodiment, as shown in fig. 4, a guide plate 80 is disposed on an outer side wall of an end of the endotracheal tube 10 close to the ventilator connector 20, and the guide plate 80 is disposed opposite to the drainage channel 12.

The guide plate 80 is provided on the outer side wall of the trachea cannula 10 to facilitate the medical staff to determine the position of the drainage channel 12, adjust the position thereof and facilitate the drainage of the condensed water.

In another embodiment, as shown in fig. 4, the drainage outlet of the drainage through hole 32 and the drainage outlet of the drainage channel 12 are provided with plugs 90.

The plug 90 is provided to facilitate the plugging of the drainage through hole 32 and the drainage channel 12 according to the use requirement. If the airtight oxygen supply is needed, the drainage through hole 32 and the drainage channel 12 are plugged through the plug 90, so that the problem of insufficient oxygen supply caused by air leakage in the oxygen supply process is solved.

The specific working principle is as follows:

when the breathing device is used, one end of the breathing tube 10 is inserted into a patient, one end of the breathing tube is left outside, one end of the breathing tube 10 outside the patient is provided with a respirator connector 20 and is connected with a respirator through the respirator connector 20, a condensed water filtering mechanism 30 is arranged in the respirator connector 20, the condensed water filtering mechanism 30 filters condensed water in an air supply pipeline of the respirator through a waterproof breathable film 33 and discharges the condensed water through a drainage through hole 32 to avoid entering the breathing tube 10. During oxygen supply, condensed water generated in the gas insertion tube 10 flows to the lung of the patient along the inner wall of the gas insertion tube 10 along the airflow direction, so that the water collection plate 40 is arranged in the gas insertion tube 10, the condensed water is blocked by the water collection plate 40 when flowing through the water collection plate 40 and is drained out through the drainage channel 12 arranged on the side wall of the gas insertion tube 10, and the phenomenon that the condensed water is choked into the lung of the patient to cause the infection of the lung early is avoided; in order to avoid the phenomenon of a large amount of air leakage in the drainage process, drainage cotton threads 60 are arranged in the drainage through holes 32 and the drainage channel 12, preliminary plugging is realized after the drainage cotton threads 60 are soaked, and condensed water can be discharged along the drainage cotton threads 60.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An endotracheal tube, comprising:

2. The endotracheal tube according to claim 1, characterized in that the condensation water filtering means comprises:

and a waterproof breathable membrane mounted within the channel.

3. The endotracheal tube according to claim 2, characterized in that a drainage channel is provided on a side wall of the endotracheal tube corresponding to the annular water collection groove, and an outlet of the drainage channel is located at an end of the endotracheal tube close to the ventilator connector.

4. The endotracheal tube according to claim 3, characterized in that drainage cotton threads are provided in both the drainage through hole and the drainage channel.

5. The endotracheal tube according to claim 1, characterized in that the water collection sheet comprises:

6. The endotracheal tube according to claim 5, wherein the water collection sheet further comprises a water retaining portion having a flared shape with a larger diameter end connected to the water containing portion and a smaller diameter end disposed toward an air intake direction of the endotracheal tube.

7. The endotracheal tube according to claim 4, characterized in that a flow guide tube is connected to the outflow opening of the drainage through hole and to the drainage outlet of the drainage channel.

8. The trachea cannula according to claim 3, wherein a guide plate is arranged on the outer side wall of one end of the trachea cannula close to the respirator connector, and the guide plate is arranged opposite to the drainage channel.

9. An endotracheal tube according to claim 3, characterized in that the outflow opening of the drainage through hole and the outflow opening of the drainage channel are provided with plugs.