CN215426770U

CN215426770U - Multifunctional nerve monitoring trachea cannula

Info

Publication number: CN215426770U
Application number: CN202121684481.4U
Authority: CN
Inventors: 顾恩海; 王聪; 杨泉
Original assignee: Tianjin Gaoling Technology Co ltd
Current assignee: Tianjin Gaoling Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-07
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a multifunctional nerve monitoring trachea cannula, wherein a contact electrode is arranged in the tube wall of a tube body between an air bag and a trachea cannula joint, the contact electrode is an electrode wire, a notch is formed in the tube wall close to the air bag, and the contact electrode is exposed and used for contacting muscle tissues of a patient; the contact electrode is connected with an electrode interface, and the electrode interface is used for connecting a nerve monitor; the air bag is a double-layer cuff and is connected with an inflation interface of the cuff, a thermocouple is arranged between the inner layer of the cuff and the outer layer of the cuff, and the thermocouple is close to the outer layer of the cuff; the line of the thermocouple penetrates through the pipe body and is connected with the thermocouple interface; the tube body is also provided with a camera, a sputum suction tube, a reinforced guide wire and the like; and multiple functions of nerve monitoring, temperature detection, visual operation and the like are realized.

Description

Multifunctional nerve monitoring trachea cannula

Technical Field

The utility model belongs to the field of medical instruments, and particularly relates to a multifunctional nerve monitoring tracheal cannula.

Background

Endotracheal tubes are an indispensable item in clinical medicine, especially in surgical operations, mainly used to assist patients in mechanical ventilation. Because many operations all need can be in real time incessant in the operation in-process to monitor neural, consequently have among the conventional art add electrically conductive electrode slice or wire electrode with trachea cannula, make neural monitoring trachea cannula, thereby neural monitoring function has, but except neural monitoring function, there are other multiple demands in the operation, for example, need real-time monitoring patient's body temperature, trachea cannula belongs to blind insertion basically when inserting the operation in addition, the operation is inconvenient and needs the operator to possess abundant experience, if have visual function then very big simplification the operation degree of difficulty etc.. Therefore, what is needed is a multifunctional nerve monitoring endotracheal tube.

Disclosure of Invention

In view of this, the present invention provides a multifunctional nerve monitoring endotracheal tube, which realizes multiple functions of nerve monitoring, temperature detection, visual operation, etc.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a multifunctional nerve monitoring tracheal cannula comprises a cannula body of the tracheal cannula, an insertion opening positioned at the near end of the cannula body and a tracheal cannula joint arranged at the far end of the cannula body; the tube body is provided with an air bag, and the air bag is close to the insertion hole;

a contact electrode is arranged in the tube wall of the tube body between the air bag and the trachea cannula joint, the contact electrode is an electrode wire, a notch is formed in the tube wall close to the air bag, and the contact electrode is exposed and used for contacting muscle tissues of a patient; the contact electrode is connected with an electrode interface, and the electrode interface is used for connecting a nerve monitor;

the air bag is a double-layer cuff and is connected with an inflation interface of the cuff, a thermocouple is arranged between the inner layer of the cuff and the outer layer of the cuff, and the thermocouple is close to the outer layer of the cuff; and the line of the thermocouple penetrates through the pipe body to be connected with the thermocouple interface.

Furthermore, the pipe wall is provided with an electrode hole for the contact electrode to pass through.

Further, the contact electrode is 4 electrode wires.

Furthermore, a reinforcing guide wire is arranged inside the tube body.

Further, the reinforcing guide wire is spring-shaped.

Furthermore, a sputum suction pipe is arranged inside the pipe body, a sputum suction port of the sputum suction pipe is positioned in the insertion hole, and the other end of the sputum suction pipe penetrates out of the pipe body and is connected with a sputum suction port.

Furthermore, the pipe shaft is transparent, is equipped with the camera in the pipe shaft, the camera is located insert mouthful department, the circuit of camera is worn out and is connected the camera interface from the pipe shaft.

Further, the cuff inflation interface is also provided with a pressure indicator.

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

(1) the contact electrode is arranged, so that the contact electrode can be contacted with the laryngeal internal muscle around the vocal cords of a patient, and the laryngeal internal muscle can be conveniently monitored through electromyogram when being connected with the monitoring device in the operation process;

(2) the utility model can be used for detecting the temperature of a patient in real time by arranging the thermocouple;

(3) the camera is arranged, so that the condition of a patient can be observed in real time, and the visual monitoring during the insertion of the tracheal cannula and the operation is realized;

(4) according to the utility model, the reinforcing guide wire is arranged, so that the hardness of the pipe body is enhanced, and smooth gas circulation in the pipe body is ensured during bending;

(5) the sputum suction tube is arranged in the tube body, so that the sputum suction operation can help a patient to remove sputum during an operation;

(6) the double-layer cuff pressure can be monitored in real time through the pressure indicator, and the cuff pressure is maintained in a pressure safety range after the intubation.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is an enlarged view at C of fig. 1.

Wherein:

1. a sputum suction port; 2. a double-layer cuff; 3. a thermocouple; 4. a contact electrode; 5. a tube body; 6. a sputum suction port;

7. a thermocouple interface; 8. an electrode interface; 9. a tracheal cannula joint; 10. a camera interface;

11. a pressure indicator; 12. a cuff inflation interface; 13. a reinforcing guidewire; 14. a camera;

21. a cuff inner layer; 22. an outer layer of the cuff.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

In the description of the present invention, when an element is referred to as being "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present.

The utility model is further described with reference to the following figures and specific embodiments.

As shown in fig. 1, 2, 3 and 4, one end of the endotracheal tube proposed by the present invention is an insertion opening with a slope for inserting into the trachea of a patient, and the other end is an endotracheal tube connector 9 for connecting an anesthesia respirator or a ventilator; between the insertion opening and the endotracheal tube fitting 9 is the tube body 5 of the endotracheal tube. The utility model is provided with an air bag for sealing the trachea near the insertion opening, the air bag is double-layer, namely a double-layer cuff 2, the tube body 5 is provided with an inflation tube for inflating the double-layer cuff 2, and the end part of the inflation tube is provided with a cuff inflation interface 12. A thermocouple 3 is arranged between the cuff inner layer 21 and the cuff outer layer 22 of the double-layer cuff 2, the thermocouple 3 is close to or clings to the cuff outer layer 22 as shown in figure 3, after the double-layer cuff 2 is inflated, the cuff outer layer 22 clings to the tissues of a trachea, and the thermocouple 3 detects the temperature of the tissues of the trachea in real time through the cuff outer layer 22; the line of the thermocouple 3 penetrates through the pipe body 5 to be connected with a thermocouple interface 7, and the thermocouple interface 7 is connected with a host.

Between the double-layer cuff 2 and the trachea cannula joint 9, the wall of the tube body 5 is provided with 4 electrode holes, each electrode hole penetrates through one electrode wire, and the total number of the electrode wires is 4, so that the contact electrode 4 is formed. Cutting a layer of the tube wall adjacent to the double-layer cuff 2, and exposing the contact electrode 4 at the position to the outside so that the contact electrode 4 can be in contact with the laryngeal muscles around the vocal cords of the patient; the other end of the contact electrode 4 penetrates through the tube body 5 and is connected with an electrode interface 8, and the electrode interface 8 is used for being connected with a nerve monitor so as to conveniently monitor the electromyogram of the laryngeal muscles through the contact electrode 4 in the operation process; in addition, it has been experimentally verified that although the contact electrode 4 is exposed near the double-layered cuff 2, the contact electrode 4 can contact the laryngeal muscles even if the double-layered cuff 2 is inflated to close the trachea due to the softness of human tissue.

In order to enhance the hardness of the tube body 5, the utility model adds the reinforcing guide wire 13 in the tube body 5, and the reinforcing guide wire 13 is made of stainless steel and is in a spring shape, so that the hardness of the tube body 5 is enhanced, and the smooth circulation of the internal gas is ensured when the tube body 5 is bent.

In order to enable the tracheal cannula to be in a visible state during the insertion operation, the camera 14 attached to the wall of the trachea is further arranged at the insertion opening, the insertion opening is the end of the tube body 5, the insertion opening is provided with an inclined surface, and the tube body 5 is transparent, so that the camera can observe the position of the trachea of a patient in real time during the insertion operation of the tracheal cannula, the injury to the patient caused by blind insertion is avoided, in addition, in the using process of the tracheal cannula, the circuit of the camera 14 penetrates out of the tube body and is connected with the camera interface 10, and the camera interface 10 is connected with a display device.

In order to help the trachea cannula to remove phlegm and prevent sputum from influencing ventilation when the trachea cannula is used, the utility model is also provided with a sputum suction tube inside the tube body 5; the sputum suction port 1 of the sputum suction tube is positioned at the insertion port, and the other end of the sputum suction tube penetrates out of the tube body 5 and is connected with a sputum suction port 6.

The cuff inflation interface 12 of the utility model is also provided with a pressure indicator 11 for monitoring the cuff pressure, the pressure indicator 11 is divided into three indicating areas, the pressure is insufficient, the pressure is safe, the pressure is overlarge, and the cuff pressure is maintained in a pressure safe range after the intubation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A multifunctional nerve monitoring tracheal cannula is characterized by comprising a cannula body of the tracheal cannula, an insertion opening positioned at the near end of the cannula body and a tracheal cannula joint arranged at the far end of the cannula body; the tube body is provided with an air bag, and the air bag is close to the insertion hole;

2. The multifunctional nerve-monitoring endotracheal tube according to claim 1, characterized in that the tube wall is provided with electrode holes for the passage of contact electrodes.

3. The multifunctional nerve-monitoring endotracheal tube according to claim 1, characterized in that the contact electrode is 4 electrode wires.

4. The multifunctional nerve-monitoring endotracheal tube according to claim 1, characterized in that a reinforcing guide wire is provided inside the tube body.

5. The multifunctional nerve-monitoring endotracheal tube according to claim 4, characterized in that the reinforcing guidewire is spring-like.

6. The multifunctional nerve-monitoring tracheal cannula as claimed in claim 1, wherein a sputum suction tube is disposed inside the tube body, the sputum suction port of the sputum suction tube is located in the insertion port, and the other end of the sputum suction tube extends out of the tube body and is connected to the sputum suction port.

7. The multifunctional nerve monitoring endotracheal tube according to claim 1, characterized in that the tube body is a transparent tube body, a camera is provided in the tube body, the camera is located at the insertion port, and a line of the camera passes through the tube body and is connected to a camera port.

8. The multifunctional nerve-monitoring endotracheal tube of claim 1, characterized in that the cuff inflation interface is further provided with a pressure indicator.