Trachea cannula

Abstract

The utility model discloses a trachea cannula which comprises a cannula body, a bronchofiberscope channel extending in the axial direction is defined by the cannula wall of the cannula body, the side, close to the head end of the cannula body, of the bronchofiberscope channel is closed, and an inlet communicated with the bronchofiberscope channel is formed in the tail end of the cannula body; the contact electrode is arranged on one side, close to the head end, of the tube body, the contact electrode surrounds the tube body, the bronchofiberscope channel extends to one side of the contact electrode from the tail end of the tube body, and the bronchofiberscope passes through the inlet, penetrates through the bronchofiberscope channel and sends a lens to the position close to the contact electrode to observe the contact electrode. The trachea cannula has the nerve monitoring function, it is ensured that the nerve monitoring function is conducted stably, the position of the trachea cannula can be adjusted more safely and conveniently, and the production cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a tracheal intubation. Background Art

[0002] Thyroid surgery is routinely performed under general anesthesia with endotracheal intubation. Since the surgical area is close to the bilateral recurrent laryngeal nerves, the recurrent laryngeal nerves are easily damaged during surgery. Recurrent laryngeal nerve injury is one of the serious complications after thyroid surgery. Unilateral injury causes hoarseness, while bilateral injury leads to difficulty breathing and even life-threatening glottic obstruction.

[0003] In a related embodiment, four exposed metal wires connected to a monitoring device are provided on the tube wall at a section of the side of the tube body near the head end, located in the vocal cord contact area. During surgery, a probe connected to the same monitoring device is used to stimulate the recurrent laryngeal nerve in the surgical area. The nerve innervating the vocal cords produces a corresponding response, which is transmitted back to the monitoring device through the exposed metal wires and displayed on the monitoring device's display. This assists medical staff in determining whether the probe is touching a nerve, allowing them to avoid the nerve during the operation, avoid damage to the recurrent laryngeal nerve, and ensure surgical safety. In order to ensure contact between the metal wires and the vocal cords, the intubation angle and intubation position of the endotracheal tube are extremely limited, making intubation significantly more difficult. In addition, during the process of adjusting the patient's position, the endotracheal tube may rotate or shift, or the two may no longer be in contact, resulting in the failure of the nerve monitoring function. Furthermore, if the contact electrode and the vocal cords are not in good contact during surgery and the endotracheal tube position needs to be adjusted, the intubation is difficult to adjust because the position of the contact electrode and the vocal cords cannot be visually observed. Utility Model Content

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides an endotracheal tube that has a neurological monitoring function and ensures stable neurological monitoring, allows for safer and more convenient adjustment of the endotracheal tube position, and has low production cost.

[0005] To achieve the above objectives, according to an embodiment of the present invention, an endotracheal tube is provided, comprising: a tube body, wherein a tube wall of the tube body defines an axially extending bronchoscope channel, the bronchoscope channel being closed on one side near the head end of the tube body, and an inlet being formed at the distal end of the tube body and communicating with the bronchoscope channel;

[0006] A contact electrode is provided on one side of the tube body close to the head end, and the contact electrode is provided around the tube body.

[0007] The fiber bronchoscope channel extends from the end of the tube body to one side of the contact electrode. The fiber bronchoscope passes through the inlet and the fiber bronchoscope channel, and the lens is sent to the vicinity of the contact electrode to observe the contact electrode.

[0008] According to the endotracheal tube of the embodiment of the present invention, the endotracheal tube has a nerve monitoring function and ensures that the nerve monitoring function is stably performed, can adjust the position of the endotracheal tube more safely and conveniently, and has low production cost.

[0009] In addition, the endotracheal tube according to the above embodiment of the utility model may also have the following additional technical features:

[0010] According to one embodiment of the present invention, the pipe body comprises:

[0011] a tube body, the tube body defining a breathing passage extending in an axial direction, the contact electrode being disposed at a head end of the tube body and surrounding the tube body;

[0012] A mirror housing, the mirror housing is arranged on the tube wall of the tube body and is arranged between the contact electrode and the end of the tube body, and the fiberoptic bronchoscope channel is defined between the mirror housing and the tube wall of the tube body.

[0013] Wherein, the tube body and the mirror housing are integrally formed.

[0014] According to an embodiment of the present invention, the tube body and the mirror housing are connected in an arc transition.

[0015] According to one embodiment of the present invention, the tube wall of the tube body is provided with two independent wire grooves extending axially and extending to the end of the tube body, two electrode wires are respectively accommodated in the wire grooves and covered with an insulating layer on the outside, one end of the electrode wire is connected to the contact electrode and the other end is connected to the monitoring instrument.

[0016] According to one embodiment of the present invention, the contact electrode comprises:

[0017] A loop wire, the loop wire being arranged around the tube body along the circumference of the tube body, the two loop wires being arranged on both sides of the axial direction, the loop wire near the end of the tube body being connected to both electrode wires;

[0018] An axis extends axially and has two ends connected to the two loop lines respectively. The axis includes a plurality of axes arranged around the tube body, and the plurality of axes are evenly distributed in the circumferential direction of the tube body.

[0019] According to an embodiment of the present invention, the tube body and the corresponding parts of the contact electrodes are provided with colored markings.

[0020] According to an embodiment of the present invention, scale lines are provided on the tube wall of the tube body, and the scale lines are provided around the tube body.

[0021] According to one embodiment of the present invention, marks of different colors are provided at different positions of the scale mark on the tube body;

[0022] And / or, a white annular scale line is set at the 16 cm scale position, a green annular scale line is set at the 18 cm scale position, a red annular scale line is set at the 20 cm scale position, a blue annular scale line is set at the 22 cm scale position, and a yellow annular scale line is set at the 24 cm scale position.

[0023] According to one embodiment of the present invention, the endotracheal tube further comprises: an inflatable cuff, which is arranged between the contact electrode and the head end of the tube body and spaced apart from the contact electrode.

[0024] According to one embodiment of the present invention, the tube wall of the tube body is provided with an inflation tube groove extending in the axial direction, and the two ends of the inflation tube groove are respectively provided with an inlet and an outlet penetrating the tube wall. The inflation tube is accommodated in the inflation tube groove and one end of the inflation tube extends from the inlet and the other end is connected to the inflation cuff through the outlet.

[0025] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0027] Figure 1 It is a schematic diagram of the endotracheal intubation structure according to an embodiment of the utility model.

[0028] Reference numerals:

[0029] Endotracheal tube 100, tube body 10, tube body 1, mirror housing 2, fiberoptic bronchoscope channel 3, inlet 31, annular scale line 5,

[0030] Contact electrode 20 , loop line 201 , axis 202 , electrode line 30 , monitoring instrument 40 , inflatable cuff 50 , inflatable tube 60 . DETAILED DESCRIPTION

[0031] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships 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, and therefore cannot be understood as a limitation on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0033] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0034] The following describes an endotracheal tube 100 according to an embodiment of the present invention with reference to the accompanying drawings.

[0035] like Figure 1 As shown, the endotracheal tube 100 according to an embodiment of the present invention includes: a tube body 10 and a contact electrode 20.

[0036] Thyroid surgery is routinely performed under 100% general anesthesia with endotracheal intubation. Since the thyroid surgical area is close to the bilateral recurrent laryngeal nerves, the recurrent laryngeal nerves are easily damaged during the operation. Recurrent laryngeal nerve injury is one of the serious complications after thyroid surgery. Unilateral injury causes hoarseness, while bilateral injury leads to difficulty breathing and even life-threatening glottic obstruction.

[0037] To this end, a contact electrode 20 connected to a monitoring machine is provided on the tube wall on one side of the tube body 10 close to the head end. During the process of inserting the endotracheal tube 100, the contact electrode 20 exposed on the outer wall of the endotracheal tube 100 is made to contact the vocal cords. During the operation, a probe connected to the same monitoring machine is used to stimulate the recurrent laryngeal nerve in the surgical area. The nerve controls the vocal cords to produce a corresponding response, which is transmitted back to the monitoring machine through the contact electrode 20 and the electrode wire 30 and is reflected on the display of the monitoring machine, thereby assisting medical staff to determine whether the probe touches a nerve, so that medical staff can avoid the nerve during the operation, avoid damage to the recurrent laryngeal nerve, and ensure the safety of the operation.

[0038] In a related embodiment, the contact electrode 20 is composed of four exposed metal wires. Therefore, in order to make the metal wires contact the vocal cords, the intubation angle and intubation position of the endotracheal tube 100 have great limitations, which greatly increases the difficulty of intubation. In addition, during the process of adjusting the patient's position, the endotracheal tube 100 rotates or shifts, or the two are no longer in contact, resulting in failure of the neurological monitoring function.

[0039] Therefore, the contact electrode 20 of the embodiment of the present invention is arranged around the tube body 10 to reduce the difficulty of intubation, and during the process of adjusting the patient's position, the contact electrode 20 is not easily separated from the vocal cords, ensuring stable monitoring of the nerve monitoring function.

[0040] Furthermore, if the contact electrode 20 and the vocal cords do not make good contact during surgery and the position of the endotracheal tube 100 needs to be adjusted, adjustment of the endotracheal tube 100 is difficult because the position of the contact electrode 20 and the vocal cords cannot be directly observed. To ensure direct visualization of the contact electrode 20 without significantly increasing the cost of the endotracheal tube 100, the wall of the tube body 10 of the endotracheal tube 100 defines an axially extending fiberoptic bronchoscope channel 3. In other words, medical personnel can use a reusable fiberoptic bronchoscope to observe whether the contact electrode 20 and the vocal cords are in contact during the process of adjusting the position of the endotracheal tube 100. This eliminates the need for a separate miniature camera on the endotracheal tube 100, meeting the need for direct visualization while reducing production costs.

[0041] Specifically, the bronchoscope channel 3 extends from the end of the tube body 10 to the side of the contact electrode 20. The side of the bronchoscope channel 3 close to the head end of the tube body 10 is closed, and the end of the tube body 10 is provided with an inlet 31 connected to the bronchoscope channel 3. That is to say, during the position adjustment of the tracheal intubation tube 100, the fiber bronchoscope can pass through the inlet 31 and the bronchoscope channel 3, and the lens can be sent to the vicinity of the contact electrode 20 to observe the contact electrode 20.

[0042] Due to the setting of the fiber bronchoscope channel 3, on the one hand, the fiber bronchoscope is isolated from the patient, avoiding contamination of the fiber bronchoscope equipment and preventing discomfort or damage to the patient during the insertion of the equipment. In addition, the fiber bronchoscope channel 3 can also play a certain guiding role in the process of inserting the fiber bronchoscope, making the insertion process of the fiber bronchoscope more convenient and smooth.

[0043] The bronchoscope channel 3 is arranged between the contact electrode 20 and the end of the tube body 10. The diameter of the tube body 10 between the contact electrode 20 and the end of the tube body 10 can be appropriately increased to open the bronchoscope channel 3. The inner diameter of the tube body 10 used for ventilation will not be reduced due to the opening of the bronchoscope channel 3, ensuring normal ventilation inside the tracheal tube 100.

[0044] Since the bronchoscope channel 3 is arranged between the contact electrode 20 and the end of the tube body 10, this part will not be inserted into the glottis. Therefore, the setting of the bronchoscope channel 3 will not affect the diameter of the endotracheal tube 100 entering the glottis, ensuring that the endotracheal tube 100 inserted into the glottis is of appropriate size and can be inserted normally and stably.

[0045] According to the endotracheal tube 100 of the embodiment of the present invention, the endotracheal tube 100 has a nerve monitoring function and ensures that the nerve monitoring function is stably performed, can adjust the position of the endotracheal tube 100 more safely and conveniently, and has low production cost.

[0046] like Figure 1 As shown, the tube body 10 comprises a tube body 1 and a housing 2. The tube body 1 defines an axially extending respiratory passageway, which communicates with the lungs on one side and with a ventilator on the other side to supply air to the lungs. The provision of the endotracheal tube 100 maintains airway patency, enabling ventilation and oxygenation, and ensuring smooth surgical procedures. Because the tip of the tube body 1 is inserted into the glottis, the contact electrode 20 is located at the point where the vocal cords contact the tip of the tube body 1. Therefore, the contact electrode 20 is disposed at the tip of the tube body 1 and surrounds the tube body 1.

[0047] Furthermore, the mirror housing 2 is arranged on the tube wall of the tube body 1 to prevent the setting of the mirror housing 2 from affecting the normal circulation of the airflow in the breathing channel defined by the tube body 1. However, the setting of the mirror housing 2 increases the tube diameter of part of the structure of the tracheal tube 100. Therefore, the mirror housing 2 is arranged between the contact electrode 20 and the end of the tube body 10.

[0048] The mirror shell 2 is arranged between the contact electrode 20 and the end of the tube body 10. This part will not be inserted into the glottis. Therefore, the setting of the mirror shell 2 will not affect the diameter of the tracheal tube 100 entering the glottis, ensuring that the tracheal tube 100 inserted into the glottis has an appropriate size and can be inserted normally and stably.

[0049] Furthermore, a bronchoscope channel 3 is defined between the mirror housing 2 and the tube wall of the tube body 1. The inner diameter of the breathing channel inside the tube body 1 for ventilation will not be reduced due to the opening of the bronchoscope channel 3, ensuring normal ventilation inside the tracheal tube 100.

[0050] Furthermore, a portion of the wall of the tube body 1 forms a sidewall of the bronchoscope channel 3. Compared to embodiments in which the scope housing 2 itself defines the bronchoscope channel 3, this embodiment can reduce the impact of the bronchoscope channel 3 on the radial dimensions of the tube body 10. Furthermore, since the contact electrode 20 is located on the outer wall of the tip of the tube body 1, to ensure that the lens of the fiber bronchoscope located within the bronchoscope channel 3 has an appropriate angle for observing the contact portion between the contact electrode 20 and the vocal cords, the bronchoscope channel 3 should be located outside the wall of the tube body 1. In other words, the bronchoscope channel 3 defined between the scope housing 2 and the tube wall can meet the required angle for observing the contact electrode 20 and the vocal cords.

[0051] In order to ensure the sealing effect of the bronchoscope channel 3 and ensure that the fiber bronchoscope arranged in the bronchoscope channel 3 will not be contaminated, the tube body 1 and the mirror shell 2 are integrally formed. In addition, by designing the tube body 1 and the mirror shell 2 as an integral part, the production, installation and design costs of the tracheal intubation 100 can also be reduced.

[0052] Furthermore, in order to avoid the sharp angle at the connection between the tube body 1 and the mirror shell 2, which may cause damage to the patient during the insertion of the endotracheal tube 100, the tube body 1 and the mirror shell 2 are connected with an arc transition, thereby ensuring that the endotracheal tube 100 is smooth as a whole, facilitating the operation of medical staff while ensuring the safety of the insertion process.

[0053] like Figure 1 As shown, the monitoring device and contact electrode 20 are connected via an electrode wire 30. One end of the electrode wire 30 is connected to the contact electrode 20, and the other end is connected to the monitoring device 40, enabling electrical signal transmission between the two. Specifically, the wall of the tube body 10 is provided with two independent wire grooves extending axially and extending to the end of the tube body 10. The two electrode wires 30 are respectively accommodated in the wire grooves and are covered with an insulating layer on the outside to prevent signal interference and ensure a smooth surface of the endotracheal tube 100.

[0054] In some embodiments, the contact electrode 20 may be a conductive coating provided on the outer wall of the tube body 10, or the contact electrode 20 may be composed of a plurality of interconnected metal wires. The arrangement of the metal wires may have various shapes, such as a mesh or grid, as required.

[0055] In order to make the contact electrode 20 surround the tube body 10 and to connect the contact electrode 20 to the electrode wire 30 at the same time, in some embodiments, reference is made to Figure 1The contact electrode 20 includes: a ring line 201 and an axis 202. The ring line 201 is arranged around the tube body 10 along the circumference of the tube body 10. The ring line 201 on one side close to the end of the tube body 10 is connected to two electrode lines 30 at the same time. The ring line 201 arranged on this side can connect multiple axes 202 together and connect multiple axes 202 to the electrode lines 30 to ensure that the monitoring machine can receive a signal after any one of the multiple axes 202 contacts the vocal cords.

[0056] In order to ensure the stability of the contact electrode 20, the ring includes two ring lines 201, which are respectively arranged on both sides of the axial direction. The axis 202 extends along the axial direction and is connected to the two ring lines 201 at both ends. The axis 202 includes multiple lines arranged around the tube body 10. The two ring lines 201 can support the multiple axes 202 on both sides of the axial direction, ensuring the stability of the shapes of the multiple axes 202 and ensuring the stability of the contact electrode 20 set on the outer wall of the tube body 10.

[0057] The multiple axes 202 are evenly distributed in the circumferential direction of the tube body 10 to avoid dead angles in the sections corresponding to the contact electrodes 20 where signals cannot be transmitted even when the electrodes are in contact with the vocal cords, thereby affecting the acquisition of monitoring signals.

[0058] In some embodiments, the contact electrode 20 is close to the head end of the tube body 10, and an installation groove is also provided at a position corresponding to the wire groove. Two metal wires are arranged in the corresponding two installation grooves, and the outside is covered with an insulating layer. The two metal wires are simultaneously connected to the ring wire 201 close to the head end of the tube body 10. Thus, the electrode wire 30 and the metal wire can limit the contact electrode 20 on both sides of the contact electrode 20 to ensure the stability of the contact electrode 20.

[0059] In some embodiments, the corresponding parts of the tube body 10 and the contact electrode 20 are provided with colored markings. For example, the corresponding pipe sections of the contact electrode 20 and the tube body 10 are set to blue, so that medical staff can judge the position of the contact electrode 20 during the insertion process of the tracheal tube 100 under direct vision and judge whether the contact electrode 20 is in contact with the vocal cords.

[0060] In the related art, scale lines are provided on the tube wall of the tube body 10, but the scale lines are only provided on one side of the tube wall in the radial direction. Moreover, after the endotracheal tube 100 is tied and fixed to the bite block, when the direction of the scale lines is located in a blind spot that cannot be observed by medical staff, the process of adjusting the depth of the endotracheal tube 100 loses the scale lines as a reference, which greatly increases the difficulty and risk of operation.

[0061] To this end, in an embodiment of the present invention, scale lines are provided on the tube wall of the tube body 10, and the scale lines are arranged around the tube body 10. Therefore, no matter how the tube body 10 is rotated, or in which position the medical staff is observing the depth of the endotracheal tube 100, the medical staff can clearly see the scale lines and use the scale lines as a reference to judge the depth of the endotracheal tube 100, thereby improving the reliability and safety of the depth adjustment process of the endotracheal tube 100.

[0062] In some embodiments, different colored marks are set at different positions on the scale mark of the tube body 10. When medical staff cannot see or clearly see the data information marked on the scale line, they can obtain the depth information at different scale positions through more obvious color information, which facilitates the medical staff's operation and data reading.

[0063] The specific colors of the positions of the marks of different colors at different positions of the scale marks on the tube body 10 can be designed according to the different needs of medical staff. There should be a large difference between the colors to avoid misjudgment.

[0064] For example, you can refer to the rainbow color sequence and set red, orange, yellow, green, blue and purple annular scale lines 5 at the 14 cm scale position, 16 cm scale position, 18 cm scale position, 20 cm scale position, 22 cm scale position and 24 cm scale position respectively. Medical staff can easily judge the distance between the annular scale line 5 and the head end of the tube body 10 based on the color of the annular scale line 5.

[0065] For example, you can refer to the colors of different models of infusion needles that medical staff are more familiar with. There is an established model and color correspondence system for infusion needles. White corresponds to model 16 needles, green corresponds to model 18 needles, red corresponds to model 20 needles, blue corresponds to model 22 needles, and yellow corresponds to model 24 needles. Therefore, a white annular scale line 5 can be set at the 16cm scale position, a green annular scale line 5 can be set at the 18cm scale position, a red annular scale line 5 can be set at the 20cm scale position, a blue annular scale line 5 can be set at the 22cm scale position, and a yellow annular scale line 5 can be set at the 24cm scale position. Medical staff can easily judge the distance between the scale lines corresponding to different colors and the head end of the tube body 10 based on the color, and it is convenient for medical staff to remember.

[0066] like Figure 1As shown, the endotracheal tube 100 also includes an inflatable cuff 50. The inflatable cuff 50 is capable of passing through the glottis and entering the inner side of the vocal cords during insertion of the endotracheal tube 100 into the trachea. Once inflated, the inflatable cuff 50 secures the tube and seals the airway. The inflatable cuff 50 is positioned between the contact electrode 20 and the tip of the tube body 10, spaced apart from the contact electrode 20. This ensures that the contact electrode 20 corresponds to the point of contact between the vocal cords and the endotracheal tube 100, while the inflatable cuff 50 is positioned within the vocal cords.

[0067] To inflate and deflate the inflatable cuff 50 within the trachea, the tube body 10 is provided with an axially extending inflatable tube groove. An inlet and an outlet are provided at each end of the inflatable tube groove, extending through the tube wall. An inflatable tube 60 is housed within the inflatable tube groove, with one end extending from the inlet and the other end connected to the inflatable cuff 50 through the outlet. After the endotracheal tube 100 reaches the desired position, medical personnel can inflate the inflatable cuff 50 through the inflatable tube 60 extending from the outlet. This allows the inflatable cuff 50 to secure the tube and seal the airway after inflation. The inflatable tube groove provides a mounting position for the inflatable tube 60, ensuring its stable placement and enabling medical personnel to consistently control the configuration of the inflatable cuff 50 through the inflatable tube 60.

[0068] Furthermore, the inflation tube 60 is arranged in the inflation tube groove, which can also ensure that the outer wall surface of the endotracheal tube 100 is smooth, thereby avoiding damage to the patient's airway during the intubation process.

[0069] A specific embodiment of the endotracheal tube 100 of the present invention will be described below with reference to the accompanying drawings.

[0070] like Figure 1 As shown, the endotracheal tube 100 provided according to an embodiment of the present invention includes: a tube body 10 , a contact electrode 20 , an electrode wire 30 , a monitoring instrument 40 , an inflation cuff 50 and an inflation tube 60 .

[0071] The tube body 10 comprises a tube body 1 and a housing 2. The tube body 1 defines an axially extending respiratory passageway, which connects to the lungs on one side and to a ventilator on the other side to supply air to the lungs. The endotracheal tube 100 has an oblique opening at the front end that connects to the respiratory passageway. A Murphy hole is formed on the sidewall of the tube body 1 adjacent to the opening. A non-exposed spiral wire is embedded within the inner wall of the respiratory passageway of the endotracheal tube 100 to facilitate the proper shaping of the tube.

[0072] The scope housing 2 is arranged on the tube wall of the tube body 1, and a fiber bronchoscope channel 3 is defined between the scope housing 2 and the tube wall of the tube body 1. In order to ensure the sealing effect of the fiber bronchoscope channel 3 and ensure that the fiber bronchoscope arranged in the fiber bronchoscope channel 3 will not be contaminated, the tube body 1 and the scope housing 2 are formed in one piece. Furthermore, in order to avoid the presence of a sharp angle at the connection between the tube body 1 and the scope housing 2, which may cause damage to the patient during the insertion of the endotracheal tube 100, the tube body 1 and the scope housing 2 are connected in an arc transition, thereby ensuring that the endotracheal tube 100 is smooth as a whole, facilitating the operation of medical staff while ensuring the safety of the insertion process.

[0073] When adjusting the position of the endotracheal tube 100, medical staff can use a reusable fiber bronchoscope to observe whether the contact electrode 20 and the vocal cords are in contact. Therefore, there is no need to separately set up a miniature camera on the endotracheal tube 100, which meets the direct vision requirement while reducing production costs.

[0074] Specifically, the bronchoscope channel 3 extends from the end of the tube body 10 to the side of the contact electrode 20. The side of the bronchoscope channel 3 close to the head end of the tube body 10 is closed, and the end of the tube body 10 is provided with an inlet 31 connected to the bronchoscope channel 3. That is to say, during the position adjustment of the tracheal intubation tube 100, the fiber bronchoscope can pass through the inlet 31 and the bronchoscope channel 3, and the lens can be sent to the vicinity of the contact electrode 20 to observe the contact electrode 20.

[0075] Due to the setting of the fiber bronchoscope channel 3, on the one hand, the fiber bronchoscope is isolated from the patient, avoiding contamination of the fiber bronchoscope equipment and preventing discomfort or damage to the patient during the insertion of the equipment. In addition, the fiber bronchoscope channel 3 can also play a certain guiding role in the process of inserting the fiber bronchoscope, making the insertion process of the fiber bronchoscope more convenient and smooth.

[0076] The mirror shell 2 is arranged between the contact electrode 20 and the end of the tube body 10. This part will not be inserted into the glottis. Therefore, the setting of the mirror shell 2 will not affect the diameter of the tracheal tube 100 entering the glottis, ensuring that the tracheal tube 100 inserted into the glottis has an appropriate size and can be inserted normally and stably.

[0077] Furthermore, a bronchoscope channel 3 is defined between the mirror housing 2 and the tube wall of the tube body 1. The inner diameter of the breathing channel inside the tube body 1 for ventilation will not be reduced due to the opening of the bronchoscope channel 3, ensuring normal ventilation inside the tracheal tube 100.

[0078] Furthermore, a portion of the tube wall of the tube body 1 forms a sidewall of the bronchoscope channel 3 to minimize the impact of the bronchoscope channel 3 on the radial size of the tube body 10. Furthermore, since the contact electrode 20 is located on the outer wall of the tip of the tube body 1, to ensure that the lens of the fiber bronchoscope located within the bronchoscope channel 3 has an appropriate angle for observing the contact portion between the contact electrode 20 and the vocal cords, the bronchoscope channel 3 should be located outside the tube body 1 wall. In other words, the bronchoscope channel 3 defined between the scope housing 2 and the tube wall can meet the required angle for observing the contact electrode 20 and the vocal cords.

[0079] The monitoring device and contact electrode 20 are connected via an electrode wire 30. One end of the electrode wire 30 is connected to the contact electrode 20, and the other end is connected to the monitoring device 40, enabling electrical signal transmission between the two. Specifically, the tube body 10 has two independent wire grooves extending axially to the end of the tube body 10. The two electrode wires 30 are housed in these grooves and covered with an insulating layer to prevent signal interference and ensure a smooth surface for the endotracheal tube 100.

[0080] The contact electrode 20 includes: a ring line 201 and an axis 202. The ring line 201 is arranged around the tube body 10 along the circumference of the tube body 10. The ring line 201 on the side close to the end of the tube body 10 is connected to two electrode lines 30 at the same time. The ring line 201 arranged on this side can connect multiple axes 202 together and connect multiple axes 202 to the electrode lines 30 to ensure that after any one of the multiple axes 202 contacts the vocal cords, the monitoring machine can receive a signal.

[0081] In order to ensure the stability of the contact electrode 20, the ring includes two ring lines 201, which are respectively arranged on both sides of the axial direction. The axis 202 extends along the axial direction and is connected to the two ring lines 201 at both ends. The axis 202 includes multiple lines arranged around the tube body 10. The two ring lines 201 can support the multiple axes 202 on both sides of the axial direction, ensuring the stability of the shapes of the multiple axes 202 and ensuring the stability of the contact electrode 20 set on the outer wall of the tube body 10.

[0082] The multiple axes 202 are evenly distributed in the circumferential direction of the tube body 10 to avoid dead angles in the sections corresponding to the contact electrodes 20 where signals cannot be transmitted even when the electrodes are in contact with the vocal cords, thereby affecting the acquisition of monitoring signals.

[0083] The contact electrode 20 is close to the head end of the tube body 10, and an installation groove is also provided at a position corresponding to the wire groove. Two metal wires are arranged in the corresponding two installation grooves, and the outside is covered with an insulating layer. The two metal wires are simultaneously connected to the ring wire 201 close to the head end of the tube body 10. Therefore, the electrode wire 30 and the metal wire can limit the contact electrode 20 on both sides of the contact electrode 20 to ensure the stability of the contact electrode 20.

[0084] The corresponding parts of the tube body 10 and the contact electrode 20 are provided with colored markings. For example, the corresponding pipe sections of the contact electrode 20 and the tube body 10 are set to blue, so that medical staff can judge the position of the contact electrode 20 during the insertion process of the tracheal tube 100 under direct vision and judge whether the contact electrode 20 is in contact with the vocal cords.

[0085] During the process of inserting the endotracheal tube 100, the contact electrode 20 exposed on the outer wall of the endotracheal tube 100 is brought into contact with the vocal cords. During the operation, a probe connected to the same monitoring machine is used to stimulate the recurrent laryngeal nerve in the surgical area. The nerve innervates the vocal cords to produce a corresponding response, which is transmitted back to the monitoring machine through the contact electrode 20 and the electrode wire 30 and is reflected on the display of the monitoring machine, thereby assisting medical staff in determining whether the probe touches a nerve, so that medical staff can avoid the nerve during the operation, avoid damage to the recurrent laryngeal nerve, and ensure the safety of the operation.

[0086] Scale lines are provided on the tube wall of the tube body 10, and the scale lines are arranged around the tube body 10. A white annular scale line 5 is set at the 16 cm scale position, a green annular scale line 5 is set at the 18 cm scale position, a red annular scale line 5 is set at the 20 cm scale position, a blue annular scale line 5 is set at the 22 cm scale position, and a yellow annular scale line 5 is set at the 24 cm scale position. Medical staff can easily judge the distance between the scale lines corresponding to different colors and the head end of the tube body 10 according to the color, and it is convenient for medical staff to remember.

[0087] The inflatable cuff 50 is arranged between the contact electrode 20 and the head end of the tube body 10 and is spaced apart from the contact electrode 20 to ensure that the position corresponding to the contact electrode 20 is the contact position between the vocal cords and the endotracheal tube 100, and the corresponding position of the inflatable cuff 50 is located inside the vocal cords.

[0088] The tube body 10 is provided with an axially extending inflation tube groove, with an inlet and an outlet at each end extending through the tube wall. An inflation tube 60 is housed within the groove, with one end extending from the inlet and the other end connected to the inflation cuff 50 through the outlet. After the endotracheal tube 100 is positioned appropriately, medical personnel can inflate the inflation cuff 50 through the inflation tube 60 extending from the outlet. This allows the inflation cuff 50 to secure the tube and seal the airway after expansion. The inflatable tube groove provides a mounting location for the inflation tube 60, ensuring its stable placement and enabling medical personnel to consistently control the configuration of the inflation cuff 50 through the inflation tube 60.

[0089] Furthermore, the inflation tube 60 is arranged in the inflation tube groove, which can also ensure that the outer wall surface of the endotracheal tube 100 is smooth, thereby avoiding damage to the patient's airway during the intubation process.

[0090] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0091] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A tracheal intubation, characterized in that: include: a tube body, wherein the tube wall of the tube body defines a bronchoscope channel extending in the axial direction, the bronchoscope channel is closed on one side close to the head end of the tube body, and the end of the tube body is provided with an inlet communicating with the bronchoscope channel; A contact electrode is provided on one side of the tube body close to the head end, and the contact electrode is provided around the tube body. The fiber bronchoscope channel extends from the end of the tube body to one side of the contact electrode. The fiber bronchoscope passes through the inlet and the fiber bronchoscope channel, and the lens is sent to the vicinity of the contact electrode to observe the contact electrode.

2. The endotracheal tube according to claim 1, characterized in that: The pipe body comprises: a tube body, the tube body defining a breathing passage extending in an axial direction, the contact electrode being disposed at a head end of the tube body and surrounding the tube body; A mirror housing, the mirror housing is arranged on the tube wall of the tube body and is arranged between the contact electrode and the end of the tube body, and the fiberoptic bronchoscope channel is defined between the mirror housing and the tube wall of the tube body. Wherein, the tube body and the mirror housing are integrally formed.

3. The endotracheal tube according to claim 2, characterized in that: The tube body and the mirror housing are connected by an arc transition.

4. The endotracheal tube according to claim 1, characterized in that: The tube wall of the tube body is provided with two independent wire grooves extending axially and extending to the end of the tube body. Two electrode wires are respectively accommodated in the wire grooves and covered with an insulating layer on the outside. One end of the electrode wire is connected to the contact electrode and the other end is connected to the monitoring instrument.

5. The endotracheal tube according to claim 4, characterized in that: The contact electrode comprises: A loop wire, the loop wire being arranged around the tube body along the circumference of the tube body, the two loop wires being arranged on both sides of the axial direction, the loop wire near the end of the tube body being connected to both electrode wires; An axis extends axially and has two ends connected to the two loop lines respectively. The axis includes a plurality of axes arranged around the tube body, and the plurality of axes are evenly distributed in the circumferential direction of the tube body.

6. The endotracheal tube according to claim 4, characterized in that: The tube body and the contact electrode corresponding portions are provided with colored markings.

7. The endotracheal tube according to claim 1, characterized in that: Scale lines are arranged on the tube wall of the tube body, and the scale lines are arranged around the tube body.

8. The endotracheal tube according to claim 7, characterized in that: Setting marks of different colors at different positions of the scale mark on the tube body; And / or, a white annular scale line is set at the 16 cm scale position, a green annular scale line is set at the 18 cm scale position, a red annular scale line is set at the 20 cm scale position, a blue annular scale line is set at the 22 cm scale position, and a yellow annular scale line is set at the 24 cm scale position.

9. The endotracheal tube according to claim 1, characterized in that: Also includes: An inflatable cuff is provided between the contact electrode and the head end of the tube body and is spaced apart from the contact electrode.

10. The endotracheal tube according to claim 9, characterized in that: The tube wall of the tube body is provided with an inflation tube groove extending in the axial direction, and the two ends of the inflation tube groove are respectively provided with an inlet and an outlet penetrating the tube wall. The inflation tube is accommodated in the inflation tube groove, and one end of the inflation tube extends from the inlet and the other end is connected to the inflation cuff through the outlet.

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