CN208974864U - Oesophagus drainage laryngeal mask - Google Patents
Oesophagus drainage laryngeal mask Download PDFInfo
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- CN208974864U CN208974864U CN201721837557.6U CN201721837557U CN208974864U CN 208974864 U CN208974864 U CN 208974864U CN 201721837557 U CN201721837557 U CN 201721837557U CN 208974864 U CN208974864 U CN 208974864U
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- tube
- cuff
- drainage
- stomach tube
- oesophagus
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Abstract
The utility model relates to a kind of oesophagus drainage laryngeal masks, including snorkel, drainage tube, the first cuff, first cuff front end offers snorkel remote stomidium and drainage tube remote stomidium respectively, it further include stomach tube cuff, the stomach tube cuff includes stomach tube, the stomach tube drawing-in drainage tube, and being pierced by from the drainage tube remote stomidium, the distal end of the stomach tube be also communicated with can inflation/deflation the second cuff.The beneficial effects of the utility model are: increasing the second cuff of a low pressure Gao Rong in stomach tube distal end, it is made to be adapted to drainage laryngeal mask, after through drainage tube, to the second sleeve bag gas-filling, plays closing esophagus to a certain extent, reduce the risk backflowed and accidentally inhaled.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of oesophagus drainage laryngeal mask.
Background technique
Classic laryngeal mask is general anesthesia and a kind of artificial airway that critical patient uses, but since its sealing pressure is lower,
Cannot be perfect be applied to mechanical positive airway pressure, and cannot safely and effectively prevent from backflowing entering lung to pharyngeal gastric content
Portion.
Oesophagus drainage laryngeal mask is a kind of novel intubating laryngeal mask airway, not only improves sealing by improveing airbag design
Property, and respiratory tract and alimentary canal has been isolated and convenient for placing stomach tube in art by increasing drainage tube.
Although being widely used in clinical oesophagus drainage laryngeal mask for Standard laryngeal mask airway, can be drawn by oesophagus
Circulation road is inserted into stomach tube, is playing reduction gastric retention table to a certain degree, reduces the effect that gastric content from backwards flowing misses air draught danger, still
Since oesophagus is not completely isolated, when laryngeal mask contraposition is bad, gastric retention table increases, there are still high accidentally air draught dangers of backflowing.
Utility model content
Of the existing technology in order to solve the problems, such as, the utility model provides a kind of oesophagus drainage laryngeal mask, has
The features such as air draught is dangerous is missed using safe, reduction gastric content from backwards flowing.
The purpose of the utility model is to provide a kind of oesophagus drainage laryngeal masks.
According to the oesophagus drainage laryngeal mask of specific embodiment of the present invention, including snorkel, drainage tube, first set
Capsule offers snorkel remote stomidium and drainage tube remote stomidium in first cuff respectively, further includes stomach tube cuff, the stomach tube
Cuff includes stomach tube, the stomach tube drawing-in drainage tube, and is pierced by from the drainage tube remote stomidium, and the distal end of the stomach tube is also connected to
Have can inflation/deflation the second cuff.
In order to avoid gastric content reflux, the utility model is provided with stomach tube cuff structure, this structure is penetrated from drainage tube,
And be finally pierced by from the drainage tube remote stomidium in the first cuff along drainage tube, the second cuff of the end connection of stomach tube cuff exists
It is placed in oesophagus in art, after inflation, oesophagus can be blocked, to effectively prevent gastric content reflux, reduction, which is backflowed, misses air draught
Danger.
According to the oesophagus drainage laryngeal mask of specific embodiment of the present invention, along the stomach on the lateral wall of the stomach tube
The length direction of pipe is equipped with gas tube, and the end of the gas tube is connected to second cuff.
The utility model gives the second cuff inflation/deflation, while the function for the stomach tube, drainage tube not influenced by gas tube.
According to the oesophagus drainage laryngeal mask of specific embodiment of the present invention, the front end of the gas tube is equipped with air valve,
The air valve includes valve seat, and the channel of perforation is offered on the valve seat, is equipped with piston, the top of the piston in the channel
Equipped with gasket to block the channel, the piston jacket is equipped with compressed spring.
When inflation, air-flow pushes down the gasket of piston tip, gives the second sleeve bag gas-filling by inflating port；Inflation is completed
Afterwards, gas tube and second set of intracapsular gas jack up gasket, to play sealing function, prevent gas leakage.
According to the oesophagus drainage laryngeal mask of specific embodiment of the present invention, the front end of the stomach tube is connected with three and connects
Head.
It is connect by three-way connection with negative pressure suction device, so that gastric retention table be effectively reduced, prevents gastric content reflux.
According to the oesophagus drainage laryngeal mask of specific embodiment of the present invention, the three-way connection includes three openings,
Respectively air entry, aspirator interface and vacuum cavitations valve port, the air entry are connected to the front end of the stomach tube, the negative pressure
Control valve port is vertically arranged with the air entry.
The aspirator interface of the top is connect with vacuum extractor in three-way connection, and vacuum cavitations valve port plays control negative pressure
Effect.Vacuum cavitations valve port is covered with plugging cap, an access closing in threeway, air entry, aspirator interface and stomach tube connect
Logical, vacuum extractor can work；When opening plugging cap, vacuum cavitations valve port is connected to atmospheric pressure, and air is from vacuum cavitations
Valve port enters, vacuum suction event resolves.
It is dismountable on the vacuum cavitations valve port according to the oesophagus drainage laryngeal mask of specific embodiment of the present invention
It is connected with plugging cap, thus the closure of selectivity, unlatching vacuum cavitations valve port.
According to the oesophagus drainage laryngeal mask of specific embodiment of the present invention, opened up on the side of the stomach tube end to
A few air hole.
According to the oesophagus drainage laryngeal mask of specific embodiment of the present invention, the diameter of the stomach tube is 4.0mm.
According to the oesophagus drainage laryngeal mask of specific embodiment of the present invention, the length of the stomach tube is 520mm.
According to the oesophagus drainage laryngeal mask of specific embodiment of the present invention, the shape of second cuff is ellipse
Shape.
The utility model has the following beneficial effects:
In order to avoid gastric content reflux, the utility model is provided with stomach tube cuff structure, this structure is penetrated from drainage tube,
And be finally pierced by from the drainage tube remote stomidium in the first cuff along drainage tube, the second cuff of the end connection of stomach tube cuff exists
It is placed in oesophagus in art, after inflation, oesophagus can be blocked, to effectively prevent gastric content reflux, reduction, which is backflowed, misses air draught
Danger.
Gas tube is arranged outside drainage tube to inflate exclusively for the second air bag, the function of the stomach tube, drainage tube that do not influence.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of stomach tube air bag.
1- snorkel in figure；2- drainage tube；3- stomach tube；The first air bag of 4-；5- drainage tube remote stomidium；The second air bag of 6-；7-
Gas tube；8- air valve；9- three-way connection.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in Figure 1, a kind of oesophagus drainage laryngeal mask, including snorkel 1, drainage tube 2, the first cuff 4, the first set
Capsule front end offers snorkel remote stomidium and drainage tube remote stomidium 5 respectively, wherein ventilation remote stomidium is connected to snorkel, is drained
Pipe remote stomidium is connected to drainage tube.
The utility model further includes stomach tube cuff, and the stomach tube cuff includes stomach tube 3 and the second cuff 6, wherein the stomach
Pipe is penetrated from drainage tube, the first cuff of drawing-in, and is pierced by from the drainage tube remote stomidium, stomach tube is placed in stomach in art, second
The distal end of the stomach tube is arranged in cuff.
As shown in Fig. 2, the second cuff can inflation/deflation, along the length direction of the stomach tube on the lateral wall of the stomach tube 3
Equipped with gas tube 7, the end of the gas tube is connected to second cuff, thus exclusively for the second cuff inflation/deflation.Inflation
The internal diameter of pipe is very thin, and 1/10th of insufficient stomach tube internal diameter.In order to play preferable air-tightness, the front end of the gas tube is equipped with
Air valve 8, the air valve include valve seat, and the channel of perforation is offered on the valve seat, is equipped with piston, the piston in the channel
Top be equipped with gasket to block the channel, the piston jacket is equipped with compressed spring.When inflation, air-flow is by piston tip
Gasket push down, by gas tube give the second sleeve bag gas-filling；After the completion of inflation, gas tube and second set of intracapsular gas will
Gasket jacks up, to play sealing function, prevents gas leakage.
Shape is ellipse or circle after second sleeve bag gas-filling, so as to preferably block oesophagus.
Stomach tube can be connected with negative pressure suction device, and the front end of the stomach tube 3, which is connected with three-way connection 9, can be realized this function
Energy.The three-way connection includes air entry, aspirator interface and vacuum cavitations valve port, the front end of the air entry and the stomach tube
Connection, the vacuum cavitations valve port are vertically arranged with the air entry.Envelope is removably connected on the vacuum cavitations valve port
Blocking cap.
At least one air hole is opened up on the side of the stomach tube end.
As the preferred size of the utility model, wherein the diameter of the stomach tube is 4.0mm, the length of the stomach tube is
520mm。
The utility model devises stomach tube cuff structure according to the deficiency in existing laryngeal mask use, this structure is from drainage tube
It penetrates, and is finally pierced by from the drainage tube remote stomidium in the first cuff along drainage tube, the second of the end connection of stomach tube cuff
Cuff is placed in oesophagus in art, after inflation, can block oesophagus, to effectively prevent gastric content reflux, reduction is backflowed
Accidentally air draught danger.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (5)
1. a kind of oesophagus drainage laryngeal mask, including snorkel, drainage tube, the first cuff, offered respectively in first cuff
Snorkel remote stomidium and drainage tube remote stomidium, it is characterised in that: further include stomach tube cuff, the stomach tube cuff includes stomach tube, institute
Stomach tube drawing-in drainage tube to be stated, and is pierced by from the drainage tube remote stomidium, the front end of the stomach tube is connected with three-way connection, and described three
Pass joint includes three openings, respectively air entry, aspirator interface and vacuum cavitations valve port；The distal end of the stomach tube is also connected to
Have can inflation/deflation the second cuff；It is equipped with gas tube along the length direction of the stomach tube on the lateral wall of the stomach tube, it is described to fill
The end of tracheae is connected to second cuff；The front end of the gas tube is equipped with air valve, and the air valve includes valve seat, the valve
The channel of perforation is offered on seat, piston is equipped in the channel, it is described logical to block that the top of the piston is equipped with gasket
Road, the piston jacket are equipped with compressed spring.
2. oesophagus drainage laryngeal mask according to claim 1, it is characterised in that: opened up on the side of the stomach tube end to
A few air hole.
3. oesophagus drainage laryngeal mask according to claim 1, it is characterised in that: the diameter of the stomach tube is 4.0mm.
4. oesophagus drainage laryngeal mask according to claim 1, it is characterised in that: the length of the stomach tube is 520mm.
5. oesophagus drainage laryngeal mask according to claim 1, it is characterised in that: the shape of second cuff is ellipse
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721837557.6U CN208974864U (en) | 2017-12-25 | 2017-12-25 | Oesophagus drainage laryngeal mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721837557.6U CN208974864U (en) | 2017-12-25 | 2017-12-25 | Oesophagus drainage laryngeal mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208974864U true CN208974864U (en) | 2019-06-14 |
Family
ID=66777683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721837557.6U Active CN208974864U (en) | 2017-12-25 | 2017-12-25 | Oesophagus drainage laryngeal mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208974864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021057587A1 (en) * | 2019-09-25 | 2021-04-01 | 夏敏 | Laryngeal mask capable of detecting perilaryngeal muscle relaxation and monitoring reflux |
-
2017
- 2017-12-25 CN CN201721837557.6U patent/CN208974864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021057587A1 (en) * | 2019-09-25 | 2021-04-01 | 夏敏 | Laryngeal mask capable of detecting perilaryngeal muscle relaxation and monitoring reflux |
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