A joint control switching component and tracheal tube

Abstract

The present invention provides a joint control switching assembly and an endotracheal tube, and relates to the technical field of medical devices. The joint control switching assembly of the present invention comprises: a tube body, having a proximal opening, a distal opening and a side opening, wherein the side opening is arranged on the tube wall of the tube body near the distal opening; a balloon, which can be inflated and arranged on the tube body, and the balloon can block the main trachea or the branch trachea in the inflated state, and at least one balloon is arranged on both sides of the side opening along the axial direction of the tube body; an airbag, which can be inflated and arranged in the tube body and near the distal opening, and the airbag can block the tube body in the inflated state; a ventilator, which is installed on the tube body and is used to transmit gas, wherein the ventilator has a switchable first state and a second state, and the ventilator in the first state can be connected to multiple balloons, and the ventilator in the second state can be connected to both the airbag and the multiple balloons. Compared with the prior art, the present invention has the advantage of simplifying the operation steps of the endotracheal tube.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a joint control switching component and a tracheal tube. Background Art

[0002] During thoracic surgery anesthesia, lung isolation is required to prevent the healthy lung from being contaminated by secretions or blood drained from the affected lung. In the prior art, endotracheal tubes are divided into single-lumen endotracheal tubes and double-lumen endotracheal tubes. The most commonly used method is to use a single-lumen endotracheal tube for bronchial intubation, and to achieve the purpose of lung isolation and single-lung ventilation by switching the openings on the single-lumen endotracheal tube for blocking control.

[0003] Through long-term surgical practice, the applicant found that the operation steps for doctors to perform occlusion control of tracheal tube are rather complicated. Summary of the invention

[0004] In order to improve the problem of complicated operating steps when controlling the occlusion of a tracheal tube, the present application provides a joint control switching component and a tracheal tube.

[0005] The first aspect of the present application provides a joint control switching component, which adopts the following technical solution:

[0006] A joint control switching assembly is used on a tube body of an endotracheal tube, the tube body having a proximal opening, a distal opening and a side opening, the joint control switching assembly comprising: a balloon that can be inflated and arranged on the tube body, and along the axial direction of the tube body, at least one of the balloons is respectively arranged on both sides of the side opening; an airbag that can be inflated and arranged in the tube body and close to the distal opening; a ventilator that is installed on the tube body and is used to transmit gas, the ventilator having a switchable first state and a second state, wherein when the ventilator is in the first state, the ventilator is connected to a plurality of the balloons, and when the ventilator is in the second state, the ventilator is connected to both the airbag and the plurality of balloons.

[0007] Preferably, the balloon includes an outer balloon body, and the outer balloon body is arranged around the tube body; the ventilator includes a first conduit, and when the ventilator is in a first state, the first conduit is respectively connected to the plurality of outer balloon bodies.

[0008] Preferably, the balloon further includes an inner balloon body, which is arranged around the tube body; the ventilator further includes a second catheter, and when the ventilator is in the second state, the second catheter is respectively connected to the plurality of inner balloon bodies and the airbag.

[0009] Preferably, the inner balloon is located inside the outer balloon, and when both the outer balloon and the inner balloon are inflated, the volume of the inner balloon is smaller than the volume of the outer balloon.

[0010] Preferably, the outer balloon and the inner balloon are not connected to each other, and the first catheter is connected to the outer balloon after avoiding the inner balloon, and the second catheter is connected to the inner balloon after avoiding the outer balloon.

[0011] Preferably, an opening and closing piece is further included, and the opening and closing piece is used to open or close the side opening.

[0012] Preferably, the opening and closing member includes a blocking portion, which is disposed at the side opening and blocks the side opening. Under the action of an external force, the blocking portion can be moved away from the side opening to keep the side opening in an open state.

[0013] Preferably, the opening and closing member also includes a pulling rope, a proximal end of the pulling rope is connected to the sealing portion, and a distal end of the pulling rope is connected to the airbag, wherein when the second catheter fills gas into the airbag to gradually inflate the airbag, the pulling rope is subjected to the pulling force generated during the inflation of the airbag and drives the sealing portion to deflect in the direction of the force, so that the side opening is in an open state.

[0014] Preferably, the airbag has a connecting side and an inflation side, the connecting side is connected to the inner wall of the tube body, and the inflation side is connected to the distal end of the pulling rope, and when the airbag is gradually filled with gas, the inflation side moves relative to the connecting side in a direction away from the side opening.

[0015] A second aspect of the present invention provides an endotracheal tube.

[0016] The endotracheal tube of the present invention comprises a tube body, the proximal side of the tube body has a proximal opening, the distal side of the tube body has a distal opening, and the side wall of the tube body is provided with a side opening; the endotracheal tube also comprises a joint control switching component, and the joint control switching component is the joint control switching component described in any technical solution of the present invention.

[0017] The technical solution adopted by the present invention can achieve the following beneficial effects:

[0018] The present invention switches the operation mode between the first state and the second state through the ventilator, so that the tracheal tube can achieve different air intake modes, so as to implement operations such as air supply, hemostasis, or surgery on the affected lung side. Specifically, when the ventilator is in the first state, the gas passes through the ventilator and reaches the inside of the two balloons in sequence, so that the two balloons gradually expand from the contracted state to the inflated state. This situation is suitable for the situation where only the tube body needs to be fixed. When the ventilator is in the second state, the gas passes through the ventilator and reaches the inside of the two balloons and the airbag in sequence, so that the two balloons and the airbag gradually expand from the contracted state to the inflated state. At this time, the two balloons in the inflated state not only temporarily fix the tube body in the human bronchus, but also block the distal opening of the tube body at the same time.

[0019] Furthermore, the proximal end of the pulling rope is connected to the sealing part, and the distal end of the pulling rope is connected to the airbag. When gas is filled into the airbag through the second catheter to gradually inflate the airbag, the pulling rope is driven by the pulling force generated during the inflation of the airbag to drive the sealing part to deflect in the direction of the force, so that the side opening is in an open state, which is conducive to incorporating the opening of the side opening into the same step, greatly simplifying the operation steps of the tracheal tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the structure of some embodiments of the present application Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the structure of some embodiments of the present application Figure 2 ;

[0023] Figure 3 yes Figure 2 A partial enlarged view showing the insertion of the ventilator into the tube body;

[0024] Figure 4 is a partial cross-sectional view of some embodiments of the present application;

[0025] Figure 5 It is a partial cross-sectional view of some embodiments of the present application Figure 1 ;

[0026] Figure 6 yes Figure 5 A local enlarged schematic diagram in FIG.

[0027] Figure 7 It is a partial cross-sectional view of the balloon in a deflated state in some embodiments of the present application. Figure 1 ;

[0028] Figure 8 It is a partial cross-sectional view of the balloon in the inflated state in some embodiments of the present application. Figure 1 ;

[0029] Fig. 9 yes Figure 7 A magnified view of part A in FIG.

[0030] Fig.10 yes Figure 8 A magnified view of part B in FIG.

[0031] Fig.11 It is a partial cross-sectional view of the balloon in a deflated state in some embodiments of the present application. Figure 2 ;

[0032] Fig.12 It is a partial cross-sectional view of the balloon in the inflated state in some embodiments of the present application. Figure 2 .

[0033] The markings in the figure are:

[0034] 100, tube body; 110, proximal opening; 120, distal opening; 130, side opening; 140, first insertion port; 150, second insertion port; 200, opening and closing member; 210, sealing portion; 220, pulling rope; 300, balloon; 310, outer balloon body; 320, inner balloon body; 400, main trachea; 500, branch trachea; 600, airbag; 610, connecting side; 620, inflation side; 700, ventilator; 710, first catheter; 720, second catheter. DETAILED DESCRIPTION

[0035] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0036] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0037] In each embodiment of the present application, "proximal end" and "distal end" refer to the position of each component relative to the user in the use environment, wherein the end closer to the user is designated as the "proximal end" and the end farther from the user is designated as the "distal end".

[0038] In the related art, a tracheal tube is a medical device that is inserted into the patient's trachea and / or bronchi to create temporary artificial respiration for the patient, especially for patients who cannot breathe independently; a tracheal tube can also be used for lung isolation during thoracic surgery anesthesia to protect the healthy lung from contamination by secretions or blood drained from the affected lung.

[0039] Tracheal tubes are divided into single-lumen tracheal tubes and double-lumen tracheal tubes. Single-lumen tracheal tubes are widely used in clinical practice because of their advantages such as thin outer diameter, low probability of airway damage, simple operation, and no change in airway diameter. Specifically, the single-lumen tracheal tube includes a tube body, an airway is formed in the tube body, the tube body has a distal opening at the distal end, and a proximal opening at the proximal end, and the proximal opening can be used for instrument insertion and / or gas injection; at the same time, the proximal end of the tube body also has a connecting tube, and the connecting tube is used to connect to the ventilation equipment; a side opening is provided on the distal side wall of the tube body, and the side opening can also allow gas to pass through. Normally, the distal opening on the tube body is in a normally open state, and the side opening is in a normally closed state. At the same time, a balloon is also provided on the tube body, and one of the balloons is provided on each side of the side opening of the tube body. After the balloon is inflated, it can fix the tracheal tube and block the human bronchi;

[0040] During surgery, lung isolation is required when at least the following situations are encountered. For example: 1. When a bronchial bleeding occurs during surgery, a balloon is used to block the bleeding segment of the bronchus to prevent blood from flowing into the healthy lung side; 2. When surgery is required on the affected lung side, a single-lumen endotracheal tube is inserted through the main bronchus of the human bronchus into the branch trachea on the side to be blocked, and the side opening on the tube body is aligned with the healthy lung side, and then the distal opening of the tube body is blocked, and the side opening on the tube body is opened, so that the gas entering through the airway in the tube body can only enter the healthy lung side through the side opening, and cannot enter the bronchus on the blocked side through the end opening; 3. When a bronchial bleeding occurs during surgery, the bleeding segment needs to be blocked while the endotracheal tube is fixed in the bronchus, and the surgery is performed after the bleeding stops. Furthermore, the location of the bleeding site of the human bronchus is different, and the blocking operation performed is also different. Therefore, in clinical surgery, various situations will occur suddenly, and the blocking operation corresponding to each situation is also different, and the operation of lung isolation is complex and diverse.

[0041] At the same time, an inflatable balloon is provided in the distal end of the airway of the tube body, and the inflatable balloon is located at the distal end of the side opening. After the inflatable balloon is inflated, the distal end of the airway of the tube body can be blocked, thereby achieving the closure of the end opening; an opening and closing member of the side opening that can be opened and closed is also provided in the airway, and the side opening is opened or closed by moving the opening and closing member. In the tracheal catheter in the related art, the inflation of the balloon, the inflation of the airbag and the opening and closing of the side opening are all independently controlled, that is, when achieving unilateral ventilation, at least the three actions of balloon inflation, distal opening closure and side opening need to be controlled. However, in clinical surgery, when encountering an emergency situation of intratracheal bleeding, the doctor has only a few minutes or even tens of seconds to deal with it. The way of independently controlling the inflation of the balloon, the inflation of the airbag and the side opening makes the operation steps of the single-lumen tracheal catheter cumbersome, so that the doctor is prone to misoperation in such an emergency situation, such as missing one or two of the three actions, or one of the actions is opened and closed incorrectly, which can easily lead to irreversible situations. Therefore, there is an urgent need to simplify the operation of endotracheal tube.

[0042] Based on this, the present application provides a joint control switching assembly and an endotracheal tube, wherein the joint control switching assembly can achieve simultaneous inflation of at least two balloons on the endotracheal tube through one action, and can achieve simultaneous inflation of at least two balloons and an airbag through another action. In this way, simultaneous inflation of at least two balloons and an airbag can be achieved in just one step, simplifying the blocking control operation of the endotracheal tube and making it less likely to cause misoperation.

[0043] The following is combined with Figure 1 to Figure 12 , a joint control switching component and tracheal tube provided by the present application are described in detail through specific embodiments and their application scenarios.

[0044] The first aspect of this embodiment provides a detailed description of the joint control switching component.

[0045] Combination Figure 1~Figure 4 , a joint control switching assembly is used on the tube body 100 of the endotracheal tube, and the tube body 100 is provided with a proximal opening 110, a distal opening 120 and a side opening 130; illustratively, the proximal opening 110 is located at the proximal end of the tube body 100, and the insertion part or instrument of the endoscope can be extended to the inside of the tube body 100 through the proximal opening 110 and enter the bronchus of the human body. The distal opening 120 is located at the distal end of the tube body 100, and the insertion part or instrument of the endoscope can extend from the tube body 100 through the distal opening 120 and be in the bronchus of the human body. For example, the lighting device on the insertion part of the endoscope can be extended from the distal opening 120 to the bronchus of the human body for lighting, and the camera device on the insertion part of the endoscope can also be extended from the distal opening 120 to the bronchus of the human body for camera, so as to transmit the illuminated image to the host display screen for the doctor to view. Exemplarily, the side opening 130 is disposed on the tube wall of the tube body 100 near the distal opening 120. Further, an opening and closing member 200 is disposed at the side opening 130, and the opening and closing member 200 is used to open or close the side opening 130.

[0046] Exemplary, combined Figure 1 , Figure 4 The human body's bronchi include a main trachea 400 and a branch trachea 500. The branch trachea 500 is connected at the distal end of the main trachea 400 and is provided with two branches. The lungs of the human body can be directly reached through the branch trachea 500. When the tube body 100 of the tracheal tube partially extends from the main trachea 400 into one of the branch trachea 500, and the side opening 130 faces the other branch trachea 500, the opening and closing member 200 is opened at this time, and bilateral lung intake can be achieved. Similarly, when the tube body 100 of the tracheal tube partially extends from the main trachea 400 into one of the branch trachea 500, and the side opening 130 faces the other branch trachea 500, the opening and closing member 200 is closed at this time, and unilateral lung intake can be achieved. It is worth noting that, no matter what the circumstances, at least one of the lungs on both sides needs to be in a ventilated state at all times, otherwise the human body will be unable to ventilate and an irreparable situation will occur.

[0047] The joint control switching assembly of this embodiment further includes a balloon 300, an air bag 600 and a ventilator 700. Figure 4 , Figure 5As shown. The balloon 300 can be inflated on the tube body 100, and the balloon 300 can block the main trachea 400 or the branch trachea 500 when inflated. Further, along the axial direction of the tube body 100, at least one balloon 300 is provided on each side of the side opening 130. Exemplarily, on both sides of the side opening 130 on the tube body 100, there is at least one balloon 300 on each side, and one, two, three, etc. can be provided according to different clinical needs. However, in terms of the total number of balloons 300, there are at least two balloons 300, that is, there is one on each side of the side opening 130.

[0048] Exemplary, combined Figure 4 , Figure 5 , the airbag 600 can be inflated and arranged in the tube body 100 and near the distal opening 120, and the airbag 600 can block the tube body 100 in the inflated state. Exemplarily, the internal passage of the tube body 100 is an airway, and the airbag 600 is located on the side of the airway near the distal opening 120. When the airbag 600 is in a contracted state, the airway of the tube body 100 is in a normally open state. When the airbag 600 is in an inflated state, the airbag 600 will block the airway of the tube body 100 after expansion, and the distal opening 120 of the tube body 100 will be closed, and gas or liquid cannot flow from the distal opening 120 of the tube body 100. It can be seen that in order to improve the blocking effect of the tube body 100 of this embodiment, the airbag 600 can also be set to multiple, such as two or three.

[0049] For example, Figure 2 , Figure 4 As shown, the ventilator 700 is installed on the tube body 100 and is used to transmit gas. Further, the ventilator 700 has a switchable first state and a second state. Further, when the ventilator 700 is in the first state, the ventilator 700 is connected to the multiple balloons 300, and when the ventilator 700 is in the second state, the ventilator 700 is connected to the airbag 600 and the multiple balloons 300. It is worth noting that "multiple" here refers to at least two.

[0050] Exemplarily, the distal end of the ventilator 700 can be connected to a ventilation device, and gas is filled into the ventilator 700 through the ventilation device, and the gas reaches the balloon 300 along the ventilator 700 in the first state, so that the balloon 300 will gradually expand from the contracted state to the inflated state in the inflated state. Similarly, after the gas reaches the balloon 300 or the airbag 600 along the ventilator 700 in the second state, the balloon 300 and the airbag 600 will gradually expand from the contracted state to the inflated state in the inflated state. It is worth noting that the "simultaneously" here can be different times within a time period, or it can be the same time node within a time period.

[0051] On this basis, there are the following blocking switching modes corresponding to the surgical situations. For the convenience of explanation and understanding, in this embodiment, two balloons 300 are used as an example for explanation, that is, along the axial direction of the tube body 100, one balloon 300 is respectively provided on both sides of the side opening 130, and at the same time, one airbag 600 is provided in the tube body 100 near the distal opening 120.

[0052] Case 1: When the affected lung needs surgery: First, the tube body 100 of the tracheal tube is partially extended from the main bronchus 400 of the human bronchus into the branch trachea 500 connected to the affected lung, so that the distal opening 120 of the tube body 100 reaches or faces the lesion of the affected lung, and at the same time, the side opening 130 is controlled to face the branch trachea 500 connected to the healthy lung in the main bronchus 400, and the ventilator 700 is switched to the first state. The ventilation device is connected to the proximal end of the ventilator 700, and gas is introduced into the ventilator 700 through the ventilation device. The gas passes through the ventilator 700 and reaches the inside of the two balloons 300 in turn, so that the two balloons 300 gradually expand from the contracted state to the inflated state. During the inflation process, the balloon 300 in the main trachea 400 will apply abutment force to the inner wall of the main trachea 400 in the inflated state, so that the balloon 300 in the main trachea 400 is pressed against the main trachea 400 and the airway of the main trachea 400 is blocked. At the same time, the balloon 300 in the subtracheal tube 500 will apply abutment force to the inner wall of the subtracheal tube 500 in the inflated state, so that the balloon 300 in the subtracheal tube 500 is pressed against the subtracheal tube 500 and the airway of the subtracheal tube 500 is blocked. In this case, the tracheal tube is not only fixed between the main trachea 400 and the subtracheal tube 500 connected to the affected lung, but also the main trachea 400 is separated from the subtracheal tube 500 connected to the affected lung by the inflation of the two balloons 300, so that the ventilation of the affected lung cannot be carried out, ensuring the effective isolation of the surgical environment of the affected lung from the healthy lung. However, it should be noted that at least one of the lungs on both sides needs to be in a ventilated state at all times, so the opening and closing member 200 on the side opening 130 can be opened or closed. However, in order to prevent the internal liquid of the affected lung from entering the healthy lung through the side opening 130 during the operation, the side opening 130 should be in a normally closed state. In the above-mentioned operation, only one step is required, that is, ventilation is performed into the ventilator 700 in the first state to achieve the synchronous inflation of the two balloons 300, so that the two steps are simplified into one step.

[0053] Case 2: When the affected lung needs surgery and the wall of the airway 500 connected to the affected lung is accidentally scratched and causes bleeding: At this time, the surgery must be terminated, and the airway 500 connected to the affected lung needs to be blocked first, and then the hemostasis operation is performed. Because the bleeding of the wall of the airway 500 connected to the affected lung is caused by the tube body 100 extending from the main bronchus 400 of the human body into the airway 500 connected to the affected lung, at this time, part of the tube body 100 is already located in the airway 500 connected to the affected lung. In this case, it is necessary to switch the ventilator 700 to the second state. The ventilation device is connected to the proximal end of the ventilator 700 in the second state, and gas is introduced into the ventilator 700 through the ventilation device. The gas reaches the inside of the two balloons 300 and the airbag 600 in turn after passing through the ventilator 700, so that the two balloons 300 and the airbag 600 gradually expand from the contracted state to the inflated state. At this time, the two balloons 300, in the inflated state, not only temporarily fix the tube body 100 between the main trachea 400 and the airway 500 communicating with the affected lung, but also block the airway 500 communicating with the affected lung, and at the same time, the distal opening 120 of the tube body 100 is blocked by the inflation of the airbag 600 to prevent the bleeding site from flowing from the affected lung to the healthy lung via the airway 500, causing damage to the healthy lung. In the above-mentioned surgical situation, only one step is required, that is, ventilation into the ventilator 700 in the second state to achieve the synchronous inflation of the two balloons 300 and one airbag 600, so that the three steps are simplified into one step. It is worth noting that since at least one of the lungs on both sides needs to be in a ventilated state at all times, in order to avoid the situation where both lungs are blocked, the side opening 130 can be opened by the opening and closing member 200 first, and then the above steps are performed.

[0054] Case three: when the affected lung needs surgery, the inner wall of the main trachea 400 is accidentally scratched when inserting the tube body 100 into the main trachea 400, causing bleeding: at this time, the operation must be terminated, that is, the insertion of the tube body 100 is stopped, and then the main trachea 400 is retracted to a position where the bleeding site is between the two balloons 300, and then the ventilator 700 is switched to the first state, so that the two balloons 300 are inflated to block both sides of the bleeding site in the main trachea 400, and then the opening and closing member 200 is operated to close the side opening 130 to prevent the blood flowing out of the bleeding site from spreading to the lungs and aggravating the condition.

[0055] Case 4: When the affected lung needs surgery, the inner wall of the junction of the two sub-tracheas 500 is accidentally scratched when the tube body 100 is inserted into the main trachea 400, causing bleeding: At this time, the surgery must be terminated, and the bleeding site needs to be blocked first, and then the hemostasis operation is performed. There are two options at this time. The first is to continue to insert the tube body 100 into the sub-trachea 500 connected to the affected lung, and the second is to insert the tube body 100 into the sub-trachea 500 connected to the healthy lung. However, in either case, the following operations are the same, that is, first operate the opening and closing member 200 to close the side opening 130 to prevent the bleeding site from flowing into the main tube through the side opening 130, and then switch the ventilation member 700 to the first state, so that the two balloons 300 are inflated to fix the main trachea 400 and separate the main trachea 400 from the sub-trachea 500, so that the space around the bleeding site is closed, gas cannot circulate, and the blood in the bleeding site cannot continue to spread. However, since the distal opening 120 of the tube body 100 extends into the airway 500 after avoiding the bleeding site, the lungs of the human body can still achieve gas circulation.

[0056] It is known that the above situations are only listed for the convenience of understanding. In fact, there are other situations that may occur during the operation, which will not be described here one by one. However, it should be understood that through the setting of the ventilator 700 in the present application to switch between the first state and the second state, the doctor can simplify the occlusion control steps during clinical surgery and reduce the probability of misoperation in emergency surgery.

[0057] In some embodiments, Figure 5 , 6 As shown, the balloon 300 includes an outer balloon 310, which is arranged around the tube body 100. Exemplarily, the outer balloon 310 can be spherical or elliptical after inflation, and the specific shape can be selected according to the actual situation of clinical surgery. Exemplarily, the ventilator 700 includes a first catheter 710, and when the ventilator 700 is in the first state, the first catheter 710 is respectively connected to the plurality of outer balloons 310.

[0058] Exemplarily, the balloon 300 further includes an inner capsule body 320, which is arranged around the tube body 100. Exemplarily, the inner capsule body 320 can be spherical or elliptical after inflation, and the specific shape can be selected according to the actual situation of clinical surgery. Exemplarily, the ventilator 700 further includes a second catheter 720, and when the ventilator 700 is in the second state, the second catheter 720 is respectively connected to the multiple inner capsule bodies 320 and the airbag 600. It is worth noting that the "multiple" mentioned in the above embodiments refers to at least two.

[0059] In some embodiments, the outer bladder 310 and the inner bladder 320 are independently arranged, that is, the outer bladder 310 and the inner bladder 320 are located at different positions on the tube body 100. However, no matter how they are arranged, there is at least one outer bladder 310 and inner bladder 320 on both sides of the side opening 130. In this way, in the two different operation modes of the ventilator 700 in the first state or the second state, the inflation and contraction of the outer bladder 310 and the inner bladder 320 are independent of each other and do not affect each other.

[0060] In some embodiments, Figure 6 As shown, the inner balloon 320 is inside the outer balloon 310, and when both the outer balloon 310 and the inner balloon 320 are inflated, the volume of the inner balloon 320 is smaller than the volume of the outer balloon 310. Exemplarily, when the inner balloon 320 is inside the outer balloon 310, the inner balloon 320 and the outer balloon 310 are still independent of each other and not connected to each other. Further, when the inner balloon 320 is inflated, the inner balloon 320 can still be fixedly abutted against the inner wall of the main airway 400.

[0061] Since the tracheal tube is a medical device that needs to enter the cavity inside the human body, the tracheal tube needs to be set as small as possible under the premise of meeting the surgical requirements, so as not to increase the discomfort of the human body during the insertion into the human body cavity. On this basis, the inner balloon 320 is arranged inside the outer balloon 310, which can not only reduce the space occupancy rate of the periphery of the tracheal tube and improve the comfort of the human body during surgery, but also ensure that the inflation and contraction of the outer balloon 310 and the inner balloon 320 are still independent of each other and do not affect each other when the ventilator 700 is in the first state or the second state.

[0062] It can be known that when this embodiment requires more opening switching for different surgeries, a middle capsule, a medium and small capsule, etc. can also be set, that is, it is not limited to the inner capsule 320 and the outer capsule 310.

[0063] In some embodiments, in combination Figure 5 , Figure 6On the basis that the outer sac 310 and the inner sac 320 are not connected to each other, the first conduit 710 is connected to the outer sac 310 after avoiding the inner sac 320, and the second conduit 720 is connected to the inner sac 320 after avoiding the outer sac 310. On this basis, since the inner sac 320 and the outer sac 310 will expand outward after being filled with gas, it is easy to squeeze the first conduit 710 or the second conduit 720 during the inflation process, causing interference to the gas transmission of the first conduit 710 and the second conduit 720, or even blocking the gas transmission of the first conduit 710 or the second conduit 720; or, the arrangement position of the first conduit 710 will affect the inflation of the inner sac 320, and the arrangement position of the second conduit 720 will affect the inflation of the outer sac 310, that is, the inner sac 320 and the outer sac 310 cannot be effectively inflated, and ultimately lead to the failure to block the main airway 400 or the branch airway 500. Therefore, based on the above situation, the first catheter 710 is connected to the outer balloon 310 after avoiding the inner balloon 320, and the second catheter 720 is connected to the inner balloon 320 after avoiding the outer balloon 310. This can avoid the outer balloon 310 and the second catheter 720 from affecting each other, and the inner balloon 320 and the first catheter 710 from affecting each other to a certain extent.

[0064] In some embodiments, in combination Figure 6 , Fig. 9 as well as Fig.10 , the distal end of the first catheter 710 extends to the inside of the distal end of the tube body 100, and the proximal end of the first catheter 710 extends to the outside of the proximal end of the tube body 100. And / or, the distal end of the second catheter 720 extends to the inside of the distal end of the tube body 100, and the proximal end of the second catheter 720 extends to the outside of the proximal end of the tube body 100. Exemplarily, the proximal end of the first catheter 710 and the proximal end of the second catheter 720 are both used to connect with the ventilation device, so that it is convenient for doctors to install the ventilation device.

[0065] For example, refer to Figure 3 A first insertion port 140 and a second insertion port 150 are provided on the tube wall of the tube body 100 near the proximal opening 110. The first insertion port 140 is used for the distal end of the first catheter 710 to extend into the interior of the tube body 100, and the second insertion port 150 is used for the distal end of the second catheter 720 to extend into the interior of the tube body 100. Furthermore, the first insertion port 140 and the second insertion port 150 are closer to the proximal opening 110 of the tube body 100 than the balloon 300.

[0066] After such arrangement, the first conduit 710 extends through the first insertion port 140 to the inside of the tube body 100 until it reaches the vicinity of the outer balloon 310, and then can pass through the inner wall of the tube body 100 to communicate with the inner cavity of the outer balloon 310. Specifically, when the inner balloon 320 is in an inflated state, the connection between the first conduit 710 and the outer balloon 310 is still separated from the inner balloon 320, so that the inner balloon 320 can be prevented from blocking the connection between the first conduit 710 and the outer balloon 310 when in an inflated state, and even the part of the inner balloon 320 in an inflated state is embedded in the connection between the first conduit 710 and the outer balloon 310, and when the inner balloon 320 gradually changes from an inflated state to a contracted state, the part of the inner balloon 320 cannot be withdrawn, causing the first conduit 710 to be blocked.

[0067] Similarly, after the second conduit 720 extends into the tube body 100 through the second insertion port 150 until it reaches the vicinity of the inner capsule 320, it can pass through the inner wall of the tube body 100 to communicate with the inner cavity of the inner capsule 320. In this way, the outer capsule 310 can be completely avoided directly, so that the connection between the second conduit 720 and the inner capsule 320 will never contact the outer capsule 310, and thus the second conduit 720 and the outer capsule 310 will not interfere with each other.

[0068] In some embodiments, Figure 5 , Figure 7 as well as Figure 8 As shown, the joint control switching assembly also includes an opening and closing member 200, which is used to open or close the side opening 130. Exemplarily, the opening and closing member 200 includes a blocking portion 210, which is arranged at the side opening 130 and blocks the side opening 130. Exemplarily, the blocking portion 210 can be a sealing film, and the area of ​​the sealing film is larger than the opening area of ​​the side opening 130, so that the side opening 130 can be completely blocked by the sealing film. At the same time, the sealing film can be detachably covered on the side opening 130, so that it can be detached from the side opening 130 under the action of external force, and it is easier to control the opening and closing of the side opening 130 in some surgical situations. The sealing film is a film made of a sealing material. The sealing material refers to a film that is not easily damaged under the action of an external force and has the characteristic of improving the sealing effect. Exemplarily, the sealing film can be, but is not limited to, a polyethylene film, a polyvinyl chloride film, a polyurethane film, a silicone film, and a polytetrafluoroethylene film.

[0069] For example, the blocking portion 210 may also be a rubber block, the cross-sectional area of ​​the rubber block is larger than the opening area of ​​the side opening 130, and the rubber block is squeezed and embedded in the side opening 130, so that the rubber block fills the side opening 130 under the action of its own extension force after being compressed, and the side opening 130 can also be blocked. It is known that the blocking portion 210 may also be other components, which will not be described in detail here.

[0070] In some embodiments, reference Fig.11 , Fig.12 , the opening and closing member 200 further includes a pulling rope 220, the proximal end of the pulling rope 220 is connected to the blocking portion 210, and the distal end of the pulling rope 220 is connected to the airbag 600. Exemplarily, the pulling rope 220 can be made of, but not limited to, nylon, polyester or stainless steel wire rope and other materials, and has the characteristics of wear resistance, tensile resistance and strong flexibility. Exemplarily, when the second catheter 720 fills the airbag 600 with gas to gradually inflate the airbag 600, the pulling rope 220 is subjected to the tension generated during the inflation of the airbag 600 and drives the blocking portion 210 to deflect in the direction of the force, so that the side opening 130 is in an open state.

[0071] On this basis, no matter what the situation is, at least one of the lungs on both sides needs to be in a ventilated state at all times, otherwise the human body will be in an irreparable situation due to the inability to exchange air. Therefore, after the tube body 100 is inserted into the bronchus of the human body, and at least two balloons 300 are in an inflated state, one of the distal opening 120 and the side opening 130 of the tube body 100 is in an open state, and the other is in a closed state, that is, the inflation of the airbag 600 and the blocking of the side opening 130 are mutually exclusive. From the above-mentioned at least four possible situations, no matter which situation, when the distal opening 120 is in an open state, the side opening 130 is in a closed state. Similarly, when the distal opening 120 is in a state blocked by the airbag 600, the side opening 130 is in an open state. Therefore, in order to improve the operation steps of opening switching during the blocking control of the endotracheal tube, the blocking of the distal opening 120 and the opening of the side opening 130 can be combined into one step, which can further simplify the switching operation steps of the endotracheal tube and reduce the probability of misoperation.

[0072] Thus, under the action of the pulling rope 220, when the second catheter 720 fills the airbag 600 with gas to gradually inflate the airbag 600, the distal opening 120 of the tube body 100 is closed under the action of the airbag 600. At the same time, the pulling rope 220 receives the tension generated during the inflation of the airbag 600 and drives the blocking portion 210 to deflect in the direction of the force, so that the side opening 130 is in an open state. With this arrangement, when operating the ventilator 700 in the second state, four operation steps can be achieved through one inflation action, which greatly simplifies the switching operation steps of the tracheal tube.

[0073] Exemplary, combined Fig.11 , Fig.12The pulling rope 220 is inside the tube body 100, and the pulling force generated by the pulling rope 220 pulls the blocking portion 210 off the side opening 130 into the airway of the tube body 100. This not only saves space outside the tube body 100, but also prevents the blocking portion 210 from falling outside the tube body 100 after being separated from the side opening 130, thereby increasing damage to the human bronchus.

[0074] In some embodiments, in combination Fig.11 , Fig.12 The airbag 600 has a connection side 610 and an inflation side 620. The connection side 610 is connected to the inner wall of the tube body 100. The pull rope 220 is connected to the inflation side 620 of the airbag 600. When gas is gradually added into the airbag 600 to gradually inflate the airbag 600, the inflation side 620 moves relative to the connection side 610 in a direction away from the side opening 130. Exemplarily, the connection side 610 and the side opening 130 are on the same side of the inner wall of the tube body 100. When the airbag 600 is in a contracted state, the pull rope 220 is in a taut state and close to the inner wall of the tube body 100 with the side opening 130. When the airbag 600 is in an inflated state, the connection between the pull rope 220 and the inflation side 620 is offset in a direction away from the inner wall of the tube body 100 with the side opening 130, so that the pull rope 220 drives the blocking part 210 away from the side opening 130.

[0075] For example, taking the axis of the tube body 100 as a reference line, the connection side 610 and the inflation side 620 of the airbag 600 can be symmetrically arranged on both sides of the axis of the tube body 100; taking the radial direction of the tube body 100 as a reference line, the connection side 610 and the inflation side 620 of the airbag 600 can also be symmetrically arranged on both sides of the radial direction of the tube body 100. Of course, the connection side 610 and the inflation side 620 of the airbag 600 can also have other configuration forms, which will not be described one by one here.

[0076] Exemplarily, the tracheal tube is a disposable medical device that cannot be reused after being used once. Therefore, when manufacturing the tracheal tube, the balloon 600 in a contracted state can be shaped in the early prefabrication stage so that the connection side 610 is bonded to the inner wall of the tube body 100 on the same side as the side opening 130. In this way, after the gas is introduced into the balloon 600 through the second conduit 720, when the balloon 600 gradually expands, the inflated side 620 will preferentially expand in the direction away from the connection side 610, thereby effectively pulling the pull rope 220 to deflect, and the pull rope 220 generates a pulling force applied to the blocking portion 210, so that the blocking portion 210 can be directly detached from the side opening 130.

[0077] In some embodiments, the blocking portion 210 is sealed and adhered to the side opening 130, and the bonding force between the blocking portion 210 and the side opening 130 is smaller than the pulling force generated during the inflation of the airbag 600. In this way, during the inflation of the airbag 600, the pulling force of the pulling rope 220 on the blocking portion 210 can effectively pull the blocking portion 210 off the side opening 130, thereby preventing the blocking portion 210 from being unable to open the side opening 130 after the airbag 600 is inflated.

[0078] In some embodiments, the pulling rope 220 can also be configured such that the distal end of the pulling rope 220 is connected to the side of the blocking portion 210 located in the tube body 100, and the proximal end of the pulling rope 220 extends from the inside of the tube body 100 to the outside through the proximal opening 110 of the tube body 100. At this time, the pulling rope 220 can also pull the blocking portion 210 off from the side opening 130 in the tube body 100 under the external pulling force of the doctor.

[0079] The second aspect of this embodiment provides a detailed description of the endotracheal tube.

[0080] Please refer to Figure 1 , Figure 2 and Figure 4 The endotracheal tube of this embodiment includes a tube body 100, the proximal side of the tube body 100 has a proximal opening 110, the distal side of the tube body 100 has a distal opening 120, and the side wall of the tube body 100 is provided with a side opening 130. Exemplarily, the proximal opening 110 is located at the proximal end of the tube body 100, and the distal opening 120 is located at the distal end of the tube body 100; or, the proximal opening 110 is located on the side wall near the proximal end of the tube body 100, the distal opening 120 is located on the side wall near the distal end of the tube body 100, and the side opening 130 is located on the side wall of the tube body 100 between the distal opening 120 and the proximal opening 110, and the side opening 130 is located closer to the distal opening 120.

[0081] The tracheal tube of this embodiment further comprises a joint control switching component, which is the joint control switching component of any technical solution of this embodiment.

[0082] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0083] In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in a reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

[0084] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A joint control switching assembly, used on a tube body (100) of an endotracheal tube, the tube body (100) having a proximal opening (110), a distal opening (120) and a side opening (130), characterized in that: The joint control switching component includes: A balloon (300) is inflatable and arranged on the tube body (100), and along the axial direction of the tube body (100), at least one balloon (300) is respectively arranged on both sides of the side opening (130); An air bag (600) which can be inflated and is disposed in the tube body (100) and is close to the distal opening (120); a ventilator (700) mounted on the tube body (100) and used for transmitting gas, the ventilator (700) having a switchable first state and a second state, wherein when the ventilator (700) is in the first state, the ventilator (700) is connected to the plurality of balloons (300), and when the ventilator (700) is in the second state, the ventilator (700) is connected to both the airbag (600) and the plurality of balloons (300); The balloon (300) comprises an outer balloon (310), and the outer balloon (310) is arranged around the tube (100); the ventilator (700) comprises a first conduit (710), and when the ventilator (700) is in a first state, the first conduit (710) is respectively connected to a plurality of the outer balloons (310); The balloon (300) further comprises an inner capsule body (320), wherein the inner capsule body (320) is arranged around the tube body (100); the ventilator (700) further comprises a second conduit (720), wherein when the ventilator (700) is in the second state, the second conduit (720) is respectively connected to the plurality of inner capsule bodies (320) and the airbag (600); The outer sac (310) and the inner sac (320) are not connected to each other, and the first catheter (710) is connected to the outer sac (310) after avoiding the inner sac (320), and the second catheter (720) is connected to the inner sac (320) after avoiding the outer sac (310).

2. A joint control switching component according to claim 1, characterized in that: The distal end of the first catheter (710) extends to the inside of the distal end of the tube body (100), and the proximal end of the first catheter (710) extends to the outside of the proximal end of the tube body (100); And / or, the distal end of the second catheter (720) extends to the inside of the distal end of the tube body (100), and the proximal end of the second catheter (720) extends to the outside of the proximal end of the tube body (100).

3. A joint control switching component according to claim 1 or 2, characterized in that: Also included is an opening and closing piece (200), wherein the opening and closing piece (200) is used to open or close the side opening (130).

4. A joint control switching component according to claim 3, characterized in that: The opening and closing member (200) comprises a blocking portion (210), the blocking portion (210) being arranged at the side opening (130) and shielding the side opening (130); the blocking portion (210) can be moved away from the side opening (130) under the action of an external force so that the side opening (130) is in an open state.

5. A joint control switching component according to claim 4, characterized in that: The opening and closing member (200) further comprises a pulling rope (220), the proximal end of the pulling rope (220) being connected to the blocking portion (210), and the distal end of the pulling rope (220) being connected to the airbag (600), wherein: When the second catheter (720) fills gas into the airbag (600) so that the airbag (600) is gradually inflated, the pulling rope (220) is subjected to the pulling force generated during the inflation of the airbag (600) and drives the blocking portion (210) to deflect in the direction of the force, so that the side opening (130) is in an open state.

6. A joint control switching component according to claim 5, characterized in that: The airbag (600) comprises a connecting side (610) and an inflation side (620), wherein the connecting side (610) is connected to the inner wall of the tube body (100), and the inflation side (620) is connected to the distal end of the pulling rope (220), and when gas is gradually inflated into the airbag (600), the inflation side (620) moves relative to the connecting side (610) in a direction away from the side opening (130).

7. A tracheal tube, characterized in that: It comprises a tube body (100), wherein the proximal side of the tube body (100) has a proximal opening (110), the distal side of the tube body (100) has a distal opening (120), and a side opening (130) is provided on the side wall of the tube body (100); The tracheal tube further comprises a joint control switching component, and the joint control switching component is the joint control switching component according to any one of claims 1-6.

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