Anti-reflux safe laryngeal mask

Abstract

The utility model relates to the technical field of medical instruments, and discloses an anti-reflux safety laryngeal mask which comprises a breather pipe, a breather cover is arranged at one end of the breather pipe, a vent hole is formed in one side of the breather cover, a first air bag is fixedly connected to the surface of the breather cover, an inflation assembly for inflating the first air bag is arranged in the breather pipe, and a second air bag is arranged at the other end of the breather pipe. A second air bag is arranged at the bottom end of the first air bag, and a communicating assembly for communicating the first air bag with the second air bag is arranged at the top of the second air bag; the inside of the first air bag can be inflated through the inflation assembly, the inflation assembly is arranged in the vent pipe, external space is not occupied, the air bag can be conveniently and rapidly inserted into the throat cavity, and operation is convenient; the second air bag can be inflated while the first air bag is inflated, and an air pipe does not need to be additionally arranged for inflating the second air bag.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an anti-reflux safety laryngeal mask. Background Technique

[0002] The safety laryngeal mask is placed in the pharyngeal cavity. After inflation, the airbag seals the esophagus and the pharyngeal cavity, forming a sealing ring around the larynx. It can allow the patient to breathe spontaneously and can also perform positive pressure ventilation. It is a ventilation tool between tracheal intubation and face mask, avoiding tracheal intubation and being more effective than using a face mask.

[0003] The "anti-reflux laryngeal mask" disclosed in its application number "202021321180.0" "comprises an insertion tube, an airbag and an airbag inflation tube. A ventilation tube and a gastric tube channel are arranged in the insertion tube. One end of the airbag is connected with a hollow esophagus tube. A first inflation sleeve is arranged on the esophagus tube. The first inflation sleeve is connected with a first inflation valve through a first inflation pipeline; the anti-reflux laryngeal mask also comprises a bite block. A first through hole is arranged in the bite block. The insertion tube passes through the first through hole. An annular airbag is arranged between the first through hole and the insertion tube. The annular airbag is connected with a second inflation valve through a second inflation pipeline. After the annular airbag is inflated, the bite block and the insertion tube are fixed together. By arranging the first inflation sleeve, after the inflation sleeve is filled with gas, it can completely block the esophagus of the patient, avoiding the phenomenon of gastric content reflux and aspiration. By arranging the bite block on the insertion tube, not only the safety can be ensured, but also the comfort can be improved.

[0004] However, the above method still has the following defects: the esophagus of the patient can be blocked by the first inflation sleeve, but an additional esophagus tube and inflation pipeline are needed to inflate its interior, which is not convenient for operation, and the arrangement of the esophagus tube and inflation pipeline occupies more space and is not convenient to insert it into the pharyngeal cavity. Content of the Utility Model

[0005] In view of the deficiencies of the prior art, the utility model provides an anti-reflux safety laryngeal mask, which has the advantages of convenient operation and no space occupation, and solves the problems raised in the above background technique.

[0006] The utility model provides the following technical scheme: an anti-reflux safety laryngeal mask, comprising a ventilation tube, one end of the ventilation tube is provided with a ventilation mask, one side of the ventilation mask is provided with a ventilation hole, the surface of the ventilation mask is fixedly connected with an airbag one, the interior of the ventilation tube is provided with an inflation assembly for inflating the airbag one, the bottom end of the airbag one is provided with an airbag two, and the top of the airbag two is provided with a communication assembly for communicating the airbag one and the airbag two.

[0007] As a preferred technical scheme of the utility model, a connector one is fixedly arranged on the surface of the ventilation mask, one end of the ventilation tube is fixedly connected with the connector one, and the other end of the ventilation tube is fixedly provided with a connector two.

[0008] As a preferred technical solution of the present utility model, the inflation assembly includes an inflation tube located inside the ventilation tube and fixedly connected to the inside of the ventilation tube. One end of the inflation tube is fixedly provided with a balloon located outside the ventilation tube, and an inflation valve is provided at the top of the balloon.

[0009] As a preferred technical solution of the present utility model, tube grooves are provided on both sides of the ventilation tube, and the inflation tube is inserted into the tube grooves.

[0010] As a preferred technical solution of the present utility model, an air inlet is provided at the top of the first airbag. The other end of the inflation tube is fixedly connected to the top of the first airbag through the air inlet, and sealant is filled between the inflation tube and the air inlet and the tube grooves.

[0011] As a preferred technical solution of the present utility model, the connection assembly includes a connection tube. A connection port connected to the connection tube is provided at the bottom of the first airbag. A sliding sleeve is slidably connected to the surface of the connection tube. One end of the sliding sleeve is fixedly connected to the top of the second airbag, and a corrugated hose is provided inside the sliding sleeve.

[0012] As a preferred technical solution of the present utility model, a first support ring is fixedly provided at one end of the corrugated hose and fixedly connected to the inner wall of the connection tube. A second support ring is fixedly provided at the other end of the corrugated hose and fixedly connected to the inner wall of the sliding sleeve.

[0013] As a preferred technical solution of the present utility model, a retaining ring is fixedly provided at one end of the connection tube and slidably connected to the inner wall of the sliding sleeve.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. The inflation assembly can inflate the inside of the first airbag. By arranging the inflation assembly inside the ventilation tube, it does not occupy external space, facilitating its quick insertion into the throat cavity and convenient operation. The connection assembly can connect the inside of the second airbag with the inside of the first airbag, enabling the second airbag to be inflated simultaneously during the inflation of the first airbag without the need to add an additional air tube for inflation.

[0016] 2. The first airbag and the second airbag can respectively seal the throat cavity and esophagus of the human body, preventing the phenomenon of regurgitation and aspiration, reducing potential safety hazards. The connection assembly has telescopic ability, allowing the second airbag to fit the esophagus when inserted into the esophagus without interfering with the placement of the first airbag and ensuring that the first airbag fits the throat cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1One of the structural schematic diagrams of the present utility model;

[0018] Figure 2 Another structural schematic diagram of the present utility model;

[0019] Figure 3 The sectional structural schematic diagram of the present utility model;

[0020] Figure 4 The structural schematic diagram of the ventilation pipe of the present utility model;

[0021] Figure 5 The structural schematic diagram of the communication component of the present utility model;

[0022] Figure 6 The sectional structural schematic diagram of the communication component of the present utility model.

[0023] In the figure: 1. Ventilation pipe; 2. Ventilation hood; 3. Connector one; 4. Connector two; 5. Inflation component; 501. Inflation pipe; 502. Balloon; 503. Inflation valve; 6. Ventilation hole; 7. Airbag one; 8. Airbag two; 9. Pipe groove; 10. Air inlet; 11. Sealing glue; 12. Communication component; 1201. Communication pipe; 1202. Sliding sleeve; 1203. Retaining ring; 1204. Corrugated hose; 1205. Support ring one; 1206. Support ring two. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1 to 6 , the anti-reflux safety laryngeal mask, including a ventilation pipe 1, one end of the ventilation pipe 1 is provided with a ventilation hood 2, one side of the ventilation hood 2 is provided with a ventilation hole 6, the surface of the ventilation hood 2 is fixedly connected with an airbag one 7, an inflation component 5 for inflating the airbag one 7 is arranged inside the ventilation pipe 1, the inflation component 5 can inflate the inside of the airbag one 7, by arranging the inflation component 5 inside the ventilation pipe 1, it does not occupy external space and is convenient to quickly insert it into the pharyngeal cavity. The bottom end of the airbag one 7 is provided with an airbag two 8, and the top of the airbag two 8 is provided with a communication component 12 for communicating the airbag one 7 and the airbag two 8. Through the communication component 12, the inside of the airbag two 8 can be communicated with the inside of the airbag one 7, and the airbag two 8 can be inflated simultaneously during the inflation process of the airbag one 7;

[0026] In this embodiment, preferably, the inflation assembly 5 includes an inflation tube 501. The inflation tube 501 is located inside the ventilation tube 1 and is fixedly connected to the inside of the ventilation tube 1. One end of the inflation tube 501 is fixedly provided with a balloon 502. The balloon 502 is located outside the ventilation tube 1. An inflation valve 503 is provided at the top of the balloon 502. Tube grooves 9 are formed on both sides of the ventilation tube 1. The inflation tube 501 is inserted into the tube grooves 9. An air inlet 10 is formed at the top of the first airbag 7. The other end of the inflation tube 501 is fixedly connected to the top of the first airbag 7 through the air inlet 10. By placing the balloon 502 outside the ventilation tube 1, it is convenient to inflate the first airbag 7 through the inflation valve 503 and the inflation tube 501. By arranging the inflation tube 501 inside the ventilation tube 1, it does not occupy external space. Sealing glue 11 is filled between the inflation tube 501 and the air inlet 10 and the tube grooves 9. The sealing glue 11 can seal the air inlet 10 and the tube grooves 9;

[0027] In this embodiment, preferably, the connection assembly 12 includes a connection tube 1201. A connection port connected to the connection tube 1201 is formed at the bottom of the first airbag 7. A sliding sleeve 1202 is slidably connected to the surface of the connection tube 1201. One end of the sliding sleeve 1202 is fixedly connected to the top of the second airbag 8. A corrugated hose 1204 is provided inside the sliding sleeve 1202. One end of the corrugated hose 1204 is fixedly provided with a first support ring 1205. The first support ring 1205 is fixedly connected to the inner wall of the connection tube 1201. The other end of the corrugated hose 1204 is fixedly provided with a second support ring 1206. The second support ring 1206 is fixedly connected to the inner wall of the sliding sleeve 1202. A retaining ring 1203 is fixedly provided at one end of the connection tube 1201. The two ends of the corrugated hose 1204 can be limited and sealed by the first support ring 1205 and the second support ring 1206. The corrugated hose 1204, in cooperation with the connection tube 1201 and the sliding sleeve 1202, can connect the inside of the second airbag 8 with the inside of the first airbag 7. Moreover, the corrugated hose 1204 has the ability to expand and contract, which can ensure the sliding of the sliding sleeve 1202. When placed in the esophagus, the second airbag 8 can be attached to the esophagus, and it can ensure that the first airbag 7 is attached to the pharyngeal cavity. The retaining ring 1203 is slidably connected to the inner wall of the sliding sleeve 1202. The sliding sleeve 1202 can be limited by the retaining ring 1203 to prevent the sliding sleeve 1202 from falling off;

[0028] In this embodiment, preferably, a first connector 3 is fixedly provided on the surface of the ventilation hood 2. One end of the ventilation tube 1 is fixedly connected to the first connector 3. A second connector 4 is fixedly provided at the other end of the ventilation tube 1. The ventilation tube 1 can be connected through the first connector 3, and a gas supply pipeline can be connected through the second connector 4.

[0029] In use, first, the ventilation pipe 1 is connected to the ventilation mask 2 through the first connector 3. Then, the second airbag 8 is inserted into the human esophagus, and the first airbag 7 is positioned in the human pharyngeal cavity. Since the corrugated hose 1204 of the communication component 12 has the ability to expand and contract, it can ensure the sliding of the sliding sleeve 1202. When inserted into the esophagus, the second airbag 8 can be fitted to the esophagus, and at the same time, it can ensure that the first airbag 7 is fitted to the pharyngeal cavity. Moreover, the air charging pipe 501 of the air charging component 5 is located inside the ventilation pipe 1, without occupying external space, which facilitates its quick insertion into the pharyngeal cavity;

[0030] After the first airbag 7 and the second airbag 8 are inserted, medical staff inflate the inside of the first airbag 7 through the air charging valve 503 and the air charging pipe 501. The gas can reach the inside of the second airbag 8 through the communication component 12. During the inflation process of the first airbag 7, the second airbag 8 can be inflated simultaneously. After the first airbag 7 and the second airbag 8 are inflated and expanded, then the ventilation pipe 1 is connected to the air supply pipeline through the second connector 4, and air is supplied into the ventilation pipe 1. The gas can reach the ventilation mask 2 through the ventilation pipe 1 and enter the human body through the ventilation holes 6. The first airbag 7 and the second airbag 8 can respectively seal the human pharyngeal cavity and esophagus, preventing the phenomenon of regurgitation and aspiration, and reducing potential safety hazards.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-reflux safety laryngeal mask, comprising an airway tube (1), characterized in that: One end of the ventilation pipe (1) is provided with a ventilation hood (2). One side of the ventilation hood (2) is provided with a ventilation hole (6). The surface of the ventilation hood (2) is fixedly connected with an airbag one (7). An inflation assembly (5) for inflating the airbag one (7) is arranged inside the ventilation pipe (1). The bottom end of the airbag one (7) is provided with an airbag two (8). A communication assembly (12) for communicating the airbag one (7) and the airbag two (8) is arranged at the top of the airbag two (8).

2. The anti-reflux safety laryngeal mask according to claim 1, characterized in that: A connector one (3) is fixedly arranged on the surface of the ventilation hood (2). One end of the ventilation pipe (1) is fixedly connected with the connector one (3). The other end of the ventilation pipe (1) is fixedly provided with a connector two (4).

3. The anti-reflux safety laryngeal mask according to claim 1, wherein: The inflation assembly (5) includes an inflation pipe (501). The inflation pipe (501) is located inside the ventilation pipe (1). The inflation pipe (501) is fixedly connected with the inside of the ventilation pipe (1). One end of the inflation pipe (501) is fixedly provided with a balloon (502). The balloon (502) is located outside the ventilation pipe (1). An inflation valve (503) is arranged at the top of the balloon (502).

4. The anti-reflux safety laryngeal mask according to claim 3, wherein: Tube grooves (9) are formed on both sides of the ventilation pipe (1). The inflation pipe (501) is inserted and connected with the tube grooves (9).

5. The anti-reflux safety laryngeal mask according to claim 4, characterized in that: An air inlet (10) is formed at the top of the airbag one (7). The other end of the inflation pipe (501) is fixedly connected with the top of the airbag one (7) through the air inlet (10). Sealing glue (11) is filled between the inflation pipe (501) and the air inlet (10) and the tube grooves (9).

6. The anti-reflux safety laryngeal mask according to claim 1, characterized in that: The communication assembly (12) includes a communication pipe (1201). A communication port connected to the communication pipe (1201) is formed at the bottom of the airbag one (7). A sliding sleeve (1202) is slidably connected to the surface of the communication pipe (1201). One end of the sliding sleeve (1202) is fixedly connected with the top of the airbag two (8). A corrugated hose (1204) is arranged inside the sliding sleeve (1202).

7. The anti-reflux safety laryngeal mask according to claim 6, characterized in that: One end of the corrugated hose (1204) is fixedly provided with a support ring one (1205). The support ring one (1205) is fixedly connected with the inner wall of the communication pipe (1201). The other end of the corrugated hose (1204) is fixedly provided with a support ring two (1206). The support ring two (1206) is fixedly connected with the inner wall of the sliding sleeve (1202).

8. The anti-reflux safety laryngeal mask according to claim 6, characterized in that: A retaining ring (1203) is fixedly arranged at one end of the communication pipe (1201). The retaining ring (1203) is slidably connected with the inner wall of the sliding sleeve (1202).

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