CN213466389U

CN213466389U - Self-inflating flow-guiding laryngeal mask

Info

Publication number: CN213466389U
Application number: CN202020953960.0U
Authority: CN
Inventors: 赵攀喜; 孙宝; 周艳聪; 刘志豪; 吴明; 任浩威
Original assignee: Henan Tuoren Medical Device Co ltd
Current assignee: Henan Tuoren Medical Device Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2021-06-18
Anticipated expiration: 2030-05-30

Abstract

The utility model relates to the technical field of medical equipment, in particular to a self-inflating drainage laryngeal mask, which comprises a main body tube and an air bag arranged at one end of the main body tube and used for sealing an air passage of a patient, wherein the main body tube is provided with an air passage channel and a drainage channel, the air passage channel is connected with a middle opening of the air bag, the air passage channel is connected with the inner space of the air bag through an inflating device, and one side of the air bag, which is far away from the opening, is provided with a back bag; the drainage cavity is connected with an esophagus drainage port arranged at one side close to the opening of the air bag; the middle part of the backpack is provided with a back drainage groove and a guide groove, and the guide groove is communicated with the drainage cavity channel through the drainage groove. The utility model discloses can realize that the whole structure of structure is sealed, carry out esophagus drainage, back drainage and oxygen suppliment or anesthesia operation simultaneously, increase and to have alleviateed working strength from aerating device.

Description

Self-inflating flow-guiding laryngeal mask

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a from introducing a class laryngeal mask of aerifing.

Background

The laryngeal mask is a medical product for quickly establishing ventilation for a patient during emergency treatment or anesthesia operation, and the technical scheme is widely applied and clinically because the success rate of laryngeal mask operation implantation is high and the injury to the airway is less. At present, the clinical standard laryngeal mask is large in use amount, and the structure of the laryngeal mask is generally formed by connecting a balloon and an airway. However, this kind of structure is because the leakproofness is relatively poor, can not carry out the drainage operation, can not realize safe effectual phlegm of inhaling, causes the mistake of intraoral sputum and secretion to inhale easily and influences doctor's operating space. And the laryngeal mask is usually an inflatable laryngeal mask in clinic, heavy gas needs to be discharged when the laryngeal mask is inserted and pulled out, the operation is very inconvenient, and the additional burden of medical staff is increased. Based on the above, how to realize the structural sealing can simultaneously perform the operations of esophagus drainage, back drainage and sputum suction, reduce the risk of aspiration, and can change the inflation and exhaust modes when inserting the laryngeal mask, which is a technical problem to be solved by the technicians in the field at present.

Disclosure of Invention

In view of this, the utility model aims at prior art's not enough, provide a from aerifing drainage laryngeal mask, can realize that the whole structure of structure is sealed, carry out esophagus drainage, back drainage simultaneously and inhale phlegm operation, can realize simultaneously that gas is automatic to be filled the gasbag when the choke is inserted and is extracted.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a self-inflating flow-inducing laryngeal mask, comprising: the air bag comprises a main body tube and an air bag arranged at one end of the main body tube and used for sealing an air passage of a patient, wherein the main body tube is provided with an air passage channel and a drainage channel, the air passage channel is communicated with a middle air opening of the air bag, the air passage channel is communicated with the inner space of the air bag through an inflating device, a back bag is arranged on one side of the air bag, which is far away from the air passage channel opening, and the inner space of the back bag is communicated with the inner space of the air bag; the drainage cavity is connected with an esophagus drainage port arranged at one side close to the opening of the air bag ventilation cavity; the middle part of the backpack is provided with a back drainage groove and a guide groove, and the guide groove is communicated with the drainage cavity channel through the drainage groove.

As a further improvement of the utility model, the chamber of ventilating is said and is kept away from gasbag chamber of ventilating opening one end is provided with the extension pipe, just be provided with supporting spring in the pipe wall of extension pipe, the extension pipe is kept away from the end of chamber of ventilating one end is provided with the joint.

As a further improvement of the utility model, the drainage lumen is said and is kept away from gasbag one end sets up the drainage tube, the other end of drainage tube is provided with esophagus drainage mouth opening, esophagus drainage mouth open-ended side is provided with drainage lumen and says the opening.

As a further improvement of the utility model, the knapsack is U-shaped.

As a further improvement of the utility model, the knapsack and the air bag are of an integral structure.

As a further improvement of the utility model, the number of the air charging devices is at least one.

As a further improvement of the utility model, the air charging device is a one-way valve.

As a further improvement of the utility model, the one-way valve is a duckbill valve or an inflation valve.

The utility model has the advantages that:

the utility model adopts the self-inflating laryngeal mask, can automatically flush gas into the air bag during oxygen supply, avoids the complex flow of heavy gas exhaust during insertion and extraction, and can realize whole-course sealing; the design of the knapsack can improve the tightness of the laryngeal mask and effectively ensure the ventilation volume; through the back drainage and the esophagus drainage design, the back drainage and the esophagus drainage can be realized, the working efficiency is improved, the risk of aspiration is avoided, the safety is improved, the smooth operation is facilitated, meanwhile, the end of the ventilation cavity, which is far away from the patient, is provided with the extension pipe with the built-in spring, the design of the pipe body is flexible, and a good operation space is provided; the inflating device is arranged between the air bag and the ventilation cavity channel, so that the conventional method for blowing the air bag through the blowing pipeline is eliminated, the working strength is reduced, the operation is more convenient and simpler, and the inflatable air bag is more suitable for clinical application.

Drawings

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

Fig. 1 is a schematic view of the main structure of the present invention.

Fig. 2 is a schematic view of the side view direction structure of the present invention.

Fig. 3 is a partial enlarged view of the present invention.

Fig. 4 is a schematic structural view of a common self-inflating laryngeal mask of the present invention.

In the figure: 1 is the joint, 2 is the extension pipe, 3 is the main part pipe, 4 is the drainage tube, 5 is drainage chamber way opening, 6 is esophagus drainage mouth opening, 7 is the gasbag, 8 is the esophagus drainage mouth, 9 is the knapsack, 10 is the guide way, 11 is the drainage groove, 12 is aerating device.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 3, a self-inflating drainage laryngeal mask comprises a main tube 3 and an air bag 7 arranged at one end of the main tube 7 and used for closing an airway of a patient, wherein the main tube 3 is provided with an airway channel and a drainage channel which are not communicated with each other, the airway channel is communicated with a middle airway opening of the air bag 4, the airway channel is communicated with an inner space of the air bag 7 through an inflating device 12, a back bag 9 is arranged at one side of the air bag 7 far away from the airway channel opening, the back bag 9 is in a U-shaped state in specific application, when gas is inflated, the back bag 9 can protrude at the back of the air bag 7, and the inner space of the back bag 9 is communicated with the inner space of the air bag 7; make it keep the integral type structure, in practical application, knapsack 9 acts on patient's throat position, receives the reaction force of throat back wall after knapsack 9 aerifys, makes gasbag 7 compress tightly the throat to promote sealed effect. The drainage cavity is communicated with an esophagus drainage port 8 which is arranged at one side close to the ventilation opening of the air bag 7; the middle part of the backpack 9 is provided with a back drainage groove 10 and a guide groove 11, and the guide groove 11 is communicated with the drainage cavity channel through the drainage groove 10.

The utility model discloses in, 7 backs of gasbag have certain thickness, form a shape in advance to gasbag 7 can form the laminating with patient's throat after putting into, and gasbag 7 is the inflation formula, and through aerating device 12 automatic replenishment corresponding gas when the oxygen suppliment, can improve sealing performance, aerating device 12 chooses for use the check valve, and the check valve can use duckbill valve or aerify the flap, and is preferred, and aerating device 12 can set up in 7 annular opening parts inboardly of gasbag. In practice, oxygen is supplied to the patient's lungs through the ventilation lumen via the proximal balloon 7 opening and the glottic opening for independent ventilation and ventilation; some gas is directly used for the oxygen suppliment, in addition, still can have a small amount of gas to pass through check valve entering gasbag 7, it needs to explain that, produced oxygen suppliment pressure reaches a definite value when the oxygen suppliment, the check valve core is opened for gasbag 7 slowly expands and supports patient's larynx, when gasbag 7 reaches certain saturation, inside gaseous no longer gets into 7 utricules of gasbag through aerating device 12, under the reverse shutoff effect of check valve, realize the sealed effect of gasbag 7.

Further, the number of the air charging devices 12 is at least one, so that the combination of at least one self-air charging structure is realized, the main body pipe 3 conforms to the physiological structure of a human body through pre-shaping, and the stability is improved. The back drainage and the esophagus drainage share one drainage cavity, so that the number of cavities is reduced, and the cross-sectional area of the main body pipe 3 is reduced.

In a specific embodiment, further, an extension tube 2 is arranged at one end of the ventilation channel far away from the opening of the ventilation channel of the airbag 7, a joint 1 is arranged at the end of the extension tube 2 far away from one end of the ventilation channel, and a support spring is arranged in the tube wall of the extension tube 2, so that the extension tube 2 can rotate and open the operation field under the action of the support spring, the folding resistance is improved, and the operation is more suitable for head and neck operations.

In a specific embodiment, further, a drainage tube 4 is arranged at one end of the drainage channel far away from the air bag 7, an esophageal drainage opening 6 is arranged at the other end of the drainage tube 4, and a drainage channel opening 5 is arranged on the side surface of the esophageal drainage opening 6.

In actual operation, when back drainage is carried out, the drainage cavity opening 5 is connected with a negative pressure drainage machine, and the back drainage can be realized by plugging the drainage port opening 6 of the esophagus at the far end of a patient with fingers; when carrying out the esophagus drainage, put into the stomach tube through esophagus drainage mouth opening 6 and pass esophagus drainage mouth 8 and reach suitable region, then drainage chamber says that opening 5 is connected with the negative pressure drainage machine, can accomplish the drainage.

Example two:

as shown in fig. 4, the present invention can also be applied to a conventional self-inflating laryngeal mask, which includes a ventilation tube 2a, wherein the distal end of the patient of the ventilation tube 2a is provided with a connector 1a for connecting a breathing machine or an anesthesia machine, the proximal end is connected with an air bag 7a, the inner cavity of the ventilation tube 2a is communicated with the opening of the air bag 7a, and the air bag 7a is provided with a self-inflating device 12 a.

The utility model discloses in, a shape is formed in advance to the certain thickness of gasbag 7a to gasbag 7a forms the laminating in patient's throat after putting into, and gasbag 7a is the inflation formula, through replenishing corresponding gas from aerating device 12a when the oxygen suppliment, can improve sealing performance. The number of self-inflating devices 12a is at least one, thereby realizing at least one combination of self-inflating structures.

It should be noted that, compared with the first embodiment, the drainage device is omitted in the common self-inflating laryngeal mask, the cross-sectional area of the ventilation pipeline is reduced, the medical operation is more convenient, and the pain of a patient is relieved. Mainly applicable to the patient group with short operation time and lighter illness, can satisfy the requirement of conventional operation on the premise of no drainage device, and is more convenient and efficient to use.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. A self-inflating flow-inducing laryngeal mask, comprising: the air bag type patient airway pressure sensor comprises a main body tube (3) and an air bag (7) arranged at one end of the main body tube (3) and used for sealing an airway of a patient, wherein the main body tube (3) is provided with an airway channel and a drainage channel, the airway channel is communicated with a middle airway opening of the air bag (7), the airway channel is communicated with the inner space of the air bag (7) through an inflating device (12), a back bag (9) is arranged on one side of the air bag (7) far away from the airway channel opening, and the inner space of the back bag (9) is communicated with the inner space of the air bag (7); the drainage cavity is communicated with an esophagus drainage port (8) which is arranged at one side close to the opening of the ventilation cavity of the air bag (7); the middle part of the backpack (9) is provided with a back drainage groove (10) and a guide groove (11), and the guide groove (11) is communicated with the drainage cavity channel through the drainage groove (10).

2. A self-inflating flow-inducing laryngeal mask according to claim 1, wherein: an extension pipe (2) is arranged at one end, away from the opening of the air cavity of the air bag (7), of the air cavity, a supporting spring is arranged in the pipe wall of the extension pipe (2), and a joint (1) is arranged at the end, away from one end of the air cavity, of the extension pipe (2).

3. A self-inflating flow-inducing laryngeal mask according to claim 1, wherein: the drainage cavity is far away from one end of the air bag (7) is provided with a drainage tube (4), the other end of the drainage tube (4) is provided with an esophagus drainage opening (6), and the side surface of the esophagus drainage opening (6) is provided with a drainage cavity opening (5).

4. A self-inflating flow-inducing laryngeal mask according to claim 1, wherein: the knapsack (9) is U-shaped.

5. A self-inflating flow-inducing laryngeal mask according to claim 1, wherein: the knapsack (9) and the air bag (7) are of an integrated structure.

6. A self-inflating flow-inducing laryngeal mask according to claim 1, wherein: the number of the inflator (12) is at least one.

7. A self-inflating flow-inducing laryngeal mask according to any one of claims 1 to 6, wherein: the inflation device (12) is a one-way valve.

8. A self-inflating flow-inducing laryngeal mask according to claim 7, characterised in that the one-way valve is a duckbill valve or an inflation flap.