Visual intubation laryngeal mask tracheal catheter device

Abstract

The utility model discloses a visual intubation laryngeal mask tracheal catheter device which comprises a ventilation elbow with a mask bag, and a ventilation connector used for being connected with external air supply equipment is arranged at the end, away from the mask bag, of the ventilation elbow. A cannula cavity is formed in one side of the interior of the ventilation bent pipe, one end of the cannula cavity is communicated with the ventilation connector, and a mask back extending to the bottom of the mask bag is arranged at the end, away from the ventilation connector, of the ventilation bent pipe. The mask back is provided with a ventilation opening which is located in the mask bag and used for communicating the cannula cavity with a human body cavity, and the ventilation opening is provided with a guide boss used for guiding an external trachea cannula to enter a human body airway. The visual structure is arranged on the ventilation bent pipe and used for monitoring trachea cannula operation in the forward direction so as to enlarge the visual field range. The tracheal intubation guiding device has the advantages that tracheal intubation operation can be monitored in the forward direction to enlarge the visual field range, and a tracheal intubation can be safely guided to enter an airway.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field more specifically, especially, it is a kind of visual intubation laryngeal mask tracheal catheter device. BACKGROUND

[0002] As an important airway management medical product, visual intubation laryngeal mask plays a key role in maintaining airway ventilation and emergency airway treatment, and its use effectively reduces the risk of blind insertion process in clinic, such as displacement, poor glottis alignment, damage and other risks, and by providing a visual tracheal intubation operation interface, airway management is more accurate and safe.In addition, the current visual intubation laryngeal mask is not limited to use in operating room, and it is also extended to pre-hospital emergency and other places, highlighting its important role in emergency medical rescue;In addition, visual intubation laryngeal mask can also be used in difficult airway management, combined with visual soft mirror guided tracheal intubation to ensure the smooth respiratory tract of patients.

[0003] However, the application of visual intubation laryngeal mask also has certain limitations in clinic, one is that the observation range is small due to the improper visual imaging angle, that is, only the local glottis can be observed;Second, in the process of guiding tracheal intubation, not only must be combined with bronchoscope to implement intubation operation, but also in the process of guiding intubation, the throat tissue at the junction of esophageal opening and glottis opening is easy to be touched, and then mucosal injury and bleeding are caused, which is difficult to meet the actual application requirements.

[0004] How to solve the above problems becomes a technical problem to be solved urgently. INVENTION CONTENTS

[0005] The technical problem to be solved by the utility model is to provide a visual intubation laryngeal mask tracheal catheter device which can monitor tracheal intubation operation in a positive direction to increase the field of view and safely guide tracheal intubation into airway.

[0006] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0007] A visual intubation laryngeal mask tracheal catheter device, comprising a ventilation elbow pipe with a mask bag, a ventilation connector for connecting with external gas supply equipment is arranged at one end of the ventilation elbow pipe away from the mask bag; a tracheal intubation cavity is arranged on one side of the inside of the ventilation elbow pipe, and one end of the tracheal intubation cavity is communicated with the ventilation connector; a mask back extending to the bottom of the mask bag is arranged at one end of the ventilation elbow pipe away from the ventilation connector; a ventilation opening for connecting the tracheal intubation cavity with human body cavity is arranged on the mask back; a guide boss for guiding external tracheal intubation into human airway is arranged on the ventilation opening; and a visual structure for monitoring tracheal intubation operation in a positive direction to increase the field of view is arranged on the ventilation elbow pipe.

[0008] Preferably, the visualization structure includes a ventilation cavity located in the middle of the ventilation bend, with one end of the ventilation cavity passing through the end of the ventilation bend away from the mask and communicating with the outside. A cavity communicating with the human body cavity is embedded in the ventilation bend near the mask. The structure also includes a camera mounted on the back of the mask via a camera mounting bracket and located in the middle of the ventilation bend near the mask for forward monitoring of endotracheal intubation operations to increase the field of view.

[0009] Preferably, the axis of the camera and the axis of the vent are both located on the symmetrical midline of the back of the cover. The axis of the camera and the axis of the vent are parallel to each other or at a predetermined acute angle. The camera is electrically connected to an external display via a wire and sequentially through the cavity and the vent cavity.

[0010] Preferably, the top of the camera mount is flush with the end face of the vent opening, and the top end face of the camera mount is higher than or flush with the top end face of the camera.

[0011] Preferably, the angle between the axis of the camera mounting base that connects to the camera and the bottom of the cover is 10°-20°.

[0012] Preferably, a flushing pipe is embedded in the ventilation bend, extending along its length, with one end of the flushing pipe extending out of the ventilation bend and connected to a flushing connector, and the other end of the flushing pipe extending in a curved shape into the back cover, aligned with the camera, and set at a predetermined angle with the front face of the camera to facilitate water flushing operation.

[0013] Preferably, the angle between one end of the rinsing tube and the front end face of the camera is 80°-90°.

[0014] Preferably, it further includes an inflation structure connected to the bladder for inflating or deflating the bladder.

[0015] Preferably, the inflation structure includes an inflation tube communicating with the bladder, a one-way valve for connecting to an external inflation device is provided at one end of the inflation tube away from the bladder, and an indicator balloon is provided at one end of the inflation tube near the one-way valve.

[0016] Preferably, the cover is an inclined ellipse located at the top of the back of the cover, and the top of the inner upper end of the cover is 10mm-15mm away from the camera mounting base.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] In this invention, the combination of the mask and the ventilation bend facilitates the insertion of the visual intubation laryngeal mask endotracheal tube device into the airway through the patient's mouth. With the visual structure providing forward monitoring of the intubation procedure to increase the field of vision, the external endotracheal tube is inserted into the intubation lumen from the ventilation connector and pushed to the ventilation opening. Under the constraint of the mask back, the end of the external endotracheal tube located at the ventilation opening is guided into the human airway via the guide protrusion. Thus, with forward monitoring of the glottis and esophageal opening through the visual structure, the external endotracheal tube can be safely inserted into the patient's airway using the guidance of the guide protrusion. Therefore, this invention has the advantages of enabling forward monitoring of the intubation procedure to increase the field of vision and safely guiding the endotracheal tube into the airway. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Fig. 1 This is a schematic diagram of the electrical connection between the visual intubation laryngeal mask endotracheal tube device and an external display according to this utility model.

[0021] Fig. 2 This is a schematic diagram of the structure of a visual intubation laryngeal mask endotracheal tube device according to the present invention;

[0022] Fig. 3 This is a cross-sectional view of a visual intubation laryngeal mask endotracheal tube device according to the present invention;

[0023] Fig. 4 This is a schematic diagram showing the positional relationship between the flushing tube and the camera in a visual intubation laryngeal mask endotracheal tube device according to this utility model.

[0024] Explanation of reference numerals in the attached drawings: 1. Mask, 2. Ventilation bend, 3. Ventilation connector, 200. Insertion tube cavity, 21. Mask back, 22. Ventilation opening, 25. Guide boss, 10. Visualization structure, 23. Ventilation cavity, 24. Cavity, 4. Camera mounting base, 101. Camera, 102. Wire, 5. Flushing tube, 6. Flushing connector, 400. Inflation structure, 7. Inflation tube, 9. One-way valve, 8. Indicator balloon. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] See Figs. 1 to 4As shown, a visual intubation laryngeal mask airway device includes a ventilation bend 2 with a mask 1. A ventilation connector 3 is provided at one end of the ventilation bend 2 away from the mask 1 for connection to an external air supply device. An intubation cavity 200 is provided on one side of the ventilation bend 2, with one end of the cavity communicating with the ventilation connector 3. A mask back 21 extending to the bottom of the mask 1 is also provided at one end of the ventilation bend 2 away from the ventilation connector 3. A ventilation opening 22 located inside the mask 1 for communicating the intubation cavity 200 with a human body cavity is provided on the mask back 21. A guide protrusion 25 for guiding an external endotracheal tube into the human airway is provided on the ventilation opening 22. The device also includes a visualization structure 10 provided on the ventilation bend 2 for forward monitoring of endotracheal intubation operations to increase the field of vision. During use, the combination of the mask 1 and the ventilation bend 2 facilitates the insertion of the visual intubation laryngeal mask endotracheal tube device into the patient's airway through the mouth. With the visual structure 10 providing forward monitoring of the endotracheal intubation operation to increase the field of vision, the external endotracheal tube is inserted into the intubation lumen 200 from the ventilation connector 3 and pushed to the ventilation opening 22. Under the constraint of the mask back 21, the end of the external endotracheal tube located at the ventilation opening 22 is guided into the human airway by the guide protrusion 25. Thus, with the visual structure 10 providing forward monitoring of the glottis and esophageal opening, the guide protrusion 25 and the ventilation opening 22 cooperate to form a tangential arc slope to guide the external endotracheal tube safely into the patient's airway, effectively improving the convenience and safety of use.

[0027] In this embodiment, the visualization structure 10 includes a ventilation cavity 23 located in the middle of the ventilation bend 2, with one end of the ventilation cavity 23 penetrating through the ventilation bend 2 and communicating with the outside at the end away from the mask 1. A cavity 24 is embedded in the ventilation bend 2 near the mask 1, connecting the ventilation cavity 23 with a human body cavity. It also includes a camera 101 mounted on the back of the mask 21 via a camera mounting bracket 4, located in the middle of the ventilation bend 2 near the mask 1, for forward monitoring of endotracheal intubation operations to increase the field of view. The axis of the camera 101 and the axis of the ventilation opening 22 are both located on the symmetrical midline of the back of the mask 21. The axis of the camera 101 and the axis of the ventilation opening 22 are parallel to each other or set at a predetermined acute angle. The camera 101 is electrically connected to an external display via a wire 102, passing sequentially through the cavity 24 and the ventilation cavity 23. The top of the camera mount 4 is flush with the end face of the vent 22, and the top end face of the camera mount 4 is higher than or flush with the top end face of the camera 101. The angle between the axis of the camera mount 4 and the camera 101 and the bottom of the cover 21 is 10°-20°. For example, the camera 101 is a waterproof camera. During use, after electrically connecting one end of the wire 102 to the camera 101, the other end of the wire 102 is passed through the cavity 24 and the vent 23 in sequence, extending out of the vent bend 2 and electrically connected to the external display. At this time, the camera 101 is mounted on the cover 21 through the camera mount 4 and is located in the middle of the vent bend 2 near the cover 1. The axis of the camera 101 is parallel to the axis of the vent 22, and the distance between the two axes is less than or equal to 5mm, or the axis of the camera 101 forms an acute angle with the axis of the vent 22. The included angle between the axes is between 10° and 20°. For example, if the included angle is 15°, the lens of the camera 101 faces the ventilation opening 22. This allows the upper two-thirds of the imaging area of ​​the camera 101 to display the glottis, and the lower one-third to display the position of the tip of the visual intubation laryngeal mask endotracheal tube device at the esophageal opening. When the camera 101 is activated, it can collect information about the internal condition of the patient's glottis and esophageal opening from the front and transmit it to an external display for real-time display, thereby achieving the purpose of real-time forward monitoring and effectively increasing the field of view.

[0028] In this embodiment, a flushing pipe 5 extending along the length of the ventilation bend 2 is embedded within it. One end of the flushing pipe 5 extends outside the ventilation bend 2 and connects to a flushing connector 6. The other end of the flushing pipe 5 is curved and extends into the cover 21, aligned with the camera 101, and is set at a predetermined angle to the front face of the camera 101 to facilitate water flushing. The angle between the corresponding end of the flushing pipe 5 and the front face of the camera 101 is 80°-90°. During use, when there are water droplets and dirt on the end face of the camera 101, the flushing connector 6 is connected to an external water supply device, and the external water supply device is activated to deliver water sequentially through the flushing connector 6 and the flushing pipe 5 to the camera 101 for flushing. After flushing, the position of the flushing pipe 5 is adjusted so that its curved end is connected to the flushing water. Then, the flushing connector 6 is connected to an external drainage device, and the external drainage device is activated to discharge the flushing water sequentially through the flushing pipe 5 and the flushing connector 6, thereby effectively improving the convenience and safety of use.

[0029] In this embodiment, an inflation structure 400 is also included, which is connected to the endotracheal mask 1 for inflating and deflating the endotracheal mask 1. The inflation structure 400 includes an inflation tube 7 connected to the endotracheal mask 1. A one-way valve 9 is provided at one end of the inflation tube 7 away from the endotracheal mask 1 for connecting to an external inflation device. An indicator balloon 8 is also provided at one end of the inflation tube 7 near the one-way valve 9. During use, the visual intubation laryngeal mask airway device is inserted into the airway through the patient's mouth by cooperating with the endotracheal mask 1 and the ventilation bend 2. Then, the one-way valve 9 of the inflation structure 400 is connected to the external inflation device. Under the guidance of the indicator balloon 8, the external inflation device is activated to introduce gas into the endotracheal mask 1 through the one-way valve 9 and the inflation tube 7, thereby inflating the endotracheal mask 1 and fitting it to the pharyngeal tissue and esophageal opening to form a closed cavity.

[0030] In this embodiment, the cover 1 is shaped like an inclined ellipse and is located on the top of the cover back 21. The top of the inner upper end of the cover 1 is 10mm-15mm away from the camera mounting base 4. For example, the distance between the top of the inner upper end of the cover 1 and the camera mounting base 4 is 10mm, 12.5mm, or 15mm. At this distance, the view of the camera 101 can be effectively prevented from being obstructed due to the collapse of the epiglottis.

[0031] In this specific application, firstly, one end of the wire 102 is electrically connected to the camera 101. Then, the other end of the wire 102 is sequentially passed through the cavity 24 and the ventilation cavity 23, extending out of the ventilation bend 2 and electrically connected to an external display. At this time, the camera 101 is mounted on the back cover 21 via the camera mounting base 4 and is located in the middle of the ventilation bend 2 near the end of the cover 1. The axis of the camera 101 is parallel to the axis of the ventilation opening 22, and the distance between the two axes is less than or equal to 5mm. Alternatively, the axis of the camera 101 forms an acute angle with the axis of the ventilation opening 22, and the included angle between the two axes is between 10° and 20°. Between °, thus allowing the lens of camera 101 to face the ventilation opening 22; secondly, through the cooperation of the cuff 1 and the ventilation bend 2, the visual intubation laryngeal mask endotracheal tube device is inserted into the airway through the patient's mouth. Then, the one-way valve 9 of the inflation structure 400 is connected to the external inflation device. Under the guidance of the indicator balloon 8, the external inflation device is activated, and gas is sequentially introduced into the cuff 1 through the one-way valve 9 and the inflation tube 7, thereby inflating the cuff 1 and fitting it against the human pharyngeal tissue and esophageal opening to form a closed cavity; then, the camera 101 is activated, and the camera 101 can collect information about the internal condition of the patient's glottis and esophageal opening from the front. The information is transmitted to an external display for real-time display, thereby achieving real-time forward monitoring and effectively increasing the field of view. Under the forward monitoring of the endotracheal intubation operation by the camera 101 to increase the field of view, the external endotracheal tube is inserted into the intubation cavity 200 from the ventilation connector 3 and pushed to the ventilation opening 22. Under the constraint of the back cover 21, the end of the external endotracheal tube located at the ventilation opening 22 is guided into the human airway by the guide protrusion 25. Thus, under the forward monitoring of the glottis and esophageal opening by the visualization structure 10, the guide protrusion 25 and the ventilation opening 22 cooperate to form a tangential arc slope to guide the external endotracheal tube. The intubation tube is safely inserted into the patient's airway, effectively improving the convenience and safety of use. Finally, when there are water droplets and dirt on the end face of the camera 101, connect the flushing connector 6 to the external water supply device, and then start the external water supply device to deliver water to the camera 101 through the flushing connector 6 and the flushing pipe 5 in sequence for flushing. After flushing, adjust the position of the flushing pipe 5 so that one of its curved ends is connected to the flushing water, and then connect the flushing connector 6 to the external drainage device. Start the external drainage device to discharge the flushing water through the flushing pipe 5 and the flushing connector 6 in sequence, thereby effectively improving the convenience and safety of use.

[0032] In summary, the present invention, with the above-described structure, has the advantages of being able to monitor endotracheal intubation procedures from the front to increase the field of vision and to safely guide the endotracheal tube into the airway.

[0033] For those skilled in the art, various other corresponding changes and modifications can be made based on the technical solutions and concepts described above, and all such changes and modifications should fall within the protection scope of the claims of this utility model.

Claims

1. A visual intubation laryngeal mask airway device, comprising a ventilation bend (2) with a mask (1), wherein a ventilation connector (3) for connection to an external air supply device is provided at one end of the ventilation bend (2) away from the mask (1); characterized in that: An intubation cavity (200) is provided on one side inside the ventilation bend (2), and one end of the intubation cavity (200) is connected to the ventilation connector (3). A back cover (21) extending to the bottom of the mask (1) is provided on one end of the ventilation bend (2) away from the ventilation connector (3). A ventilation opening (22) located inside the mask (1) is provided on the back cover (21) for communicating the intubation cavity (200) with the human body cavity. A guide protrusion (25) for guiding the external endotracheal tube into the human airway is provided on the ventilation opening (22). It also includes a visualization structure (10) provided on the ventilation bend (2) for positive monitoring of endotracheal intubation operation to increase the field of vision.

2. The visual intubation laryngeal mask endotracheal tube device according to claim 1, characterized in that: The visualization structure (10) includes a ventilation cavity (23) located in the middle of the ventilation bend (2), with one end of the ventilation cavity (23) passing through the ventilation bend (2) and communicating with the outside at the end away from the mask (1). A cavity (24) is embedded in the ventilation bend (2) near the mask (1) to communicate the ventilation cavity (23) with the human body cavity. It also includes a camera (101) mounted on the back of the mask (21) via a camera mounting base (4) and located in the middle of the ventilation bend (2) near the mask (1) for forward monitoring of endotracheal intubation operations to increase the field of view.

3. The visual intubation laryngeal mask endotracheal tube device according to claim 2, characterized in that: The axis of the camera (101) and the axis of the vent (22) are both located on the symmetrical midline of the back cover (21). The axis of the camera (101) and the axis of the vent (22) are parallel to each other or set at a predetermined acute angle. The camera (101) is electrically connected to the external display through a wire (102) and sequentially through the cavity (24) and the vent (23).

4. The visual intubation laryngeal mask endotracheal tube device according to claim 2, characterized in that: The top of the camera mount (4) is flush with the end face of the ventilation opening (22), and the top end face of the camera mount (4) is higher than or flush with the top end face of the camera (101).

5. The visual intubation laryngeal mask endotracheal tube device according to claim 4, characterized in that: The angle between the axis of the camera mounting base (4) and the camera (101) and the bottom of the cover (21) is 10°-20°.

6. The visual intubation laryngeal mask endotracheal tube device according to any one of claims 2 to 5, characterized in that: A flushing pipe (5) is embedded in the ventilation bend (2) and extends along its length. One end of the flushing pipe (5) extends out of the ventilation bend (2) and is connected to a flushing connector (6). The other end of the flushing pipe (5) is bent and extends into the back cover (21) aligned with the camera (101) and is set at a predetermined angle with the front end face of the camera (101) to facilitate water flushing operation.

7. The visual intubation laryngeal mask endotracheal tube device according to claim 6, characterized in that: The angle between one end of the rinsing pipe (5) and the front end face of the camera (101) is 80°-90°.

8. The visual intubation laryngeal mask endotracheal tube device according to claim 7, characterized in that: It also includes an inflation structure (400) connected to the bladder (1) for inflating or deflating the bladder (1).

9. The visual intubation laryngeal mask endotracheal tube device according to claim 8, characterized in that: The inflation structure (400) includes an inflation tube (7) communicating with the bladder (1), and a one-way valve (9) for connecting to an external inflation device is provided at one end of the inflation tube (7) away from the bladder (1), and an indicator balloon (8) is provided at one end of the inflation tube (7) near the one-way valve (9).

10. The visual intubation laryngeal mask endotracheal tube device according to claim 9, characterized in that: The cover (1) is an inclined ellipse located on the top of the back cover (21), and the top of the inner upper end of the cover (1) is 10mm-15mm away from the camera mounting base (4).

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