CN107715268A - Laryngeal mask - Google Patents
Laryngeal mask Download PDFInfo
- Publication number
- CN107715268A CN107715268A CN201710942721.8A CN201710942721A CN107715268A CN 107715268 A CN107715268 A CN 107715268A CN 201710942721 A CN201710942721 A CN 201710942721A CN 107715268 A CN107715268 A CN 107715268A
- Authority
- CN
- China
- Prior art keywords
- laryngeal mask
- cover
- esophagus
- utricule
- snorkel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0216—Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
Landscapes
- Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- Biomedical Technology (AREA)
- Emergency Medicine (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Prostheses (AREA)
Abstract
The invention provides a kind of laryngeal mask, the laryngeal mask includes:Laryngeal mask snorkel (11);Apply (17), it is connected to the upper end of the laryngeal mask snorkel (11), connecting portion (171) including the outer surface that closely surrounds the laryngeal mask snorkel (11) and the sticking part (172) outwards to extend from the periphery of connecting portion (171), sticking part (172) are used for directly being bonded to prevent laryngeal mask from shifting with human body skin.The laryngeal mask of the present invention effectively can prevent laryngeal mask from shifting, so as to preferably position and fix laryngeal mask.
Description
Technical field
The present invention relates to a kind of laryngeal mask, belong to medical instruments field.
Background technology
The laryngeal mask species of anesthesia is various, and main function is to establish artificial airway.When in by laryngeal mask human body, lead to
The problems such as often needing to consider positioning when inserting laryngeal mask and inserting the fixation after laryngeal mask.Orientation problem during for inserting laryngeal mask,
There is presently no highly effective scheme.And the problem of needing to fix laryngeal mask for inserting after laryngeal mask, clinically generally make at present
Laryngeal mask is fixed on to the face of people with adhesive tape, to prevent laryngeal mask from shifting, but its crystallized ability is substantially extremely limited.For example,
Clinically, when due to the factors such as operation technique cause patient body position to change when, such as lie on one's side or turn over, laryngeal mask still occurs
The problem of displacement causes ventilatory function to decline, even jeopardize patients ' lives when serious.
The content of the invention
It is an object of the invention to provide the laryngeal mask that can effectively prevent that laryngeal mask from shifting, so as to preferably position and consolidate
Determine laryngeal mask.
According to an aspect of the present invention, there is provided a kind of laryngeal mask, the laryngeal mask include:Laryngeal mask snorkel;Application, is connected to
The upper end of the laryngeal mask snorkel, including closely surround the connecting portion of the outer surface of the laryngeal mask snorkel and from connecting portion
The sticking part that periphery is outwards extended, sticking part are used for directly being bonded to prevent laryngeal mask from shifting with human body skin.
The application can be fabricated from a flexible material.
Can be formed with silicon gel layer on the surface being directly bonded with human body skin of the application.
The laryngeal mask may also include cover utricule, and the cover utricule is attached to the lower end of the laryngeal mask snorkel, so that by institute
The gas for stating laryngeal mask snorkel supply flows into human airway via the opening of cover utricule upper surface, wherein, the cover utricule is real
Heart body, is made up of elastomeric material, or, the cover utricule is gasbag-type cover utricule.
When the cover utricule is solid, the rear portion of the cover utricule can be described formed with inclined first faying face
Formed with the first ventilation interface on first faying face, the open communication of the first ventilation interface and the cover utricule upper surface and formed
First airway.
Can form the second airway in the laryngeal mask snorkel, the breather pipe of the laryngeal mask snorkel it is anterior formed with
Second faying face corresponding to first faying face of cover utricule, connect formed with the second ventilation on the second faying face of the breather pipe
Mouthful, when the first faying face and the second faying face are bonded to each other, the first ventilation interface corresponds to each other with the second interface of ventilating, so that
The first airway is set to be communicated with each other with the second airway.
When the cover utricule is solid, the cover utricule can have the sealing protruded from the upper surface of cover utricule convex
Rise, to fix laryngeal mask.
The laryngeal mask snorkel may also include the breather pipe with predetermined bending angle.
The laryngeal mask may also include guiding tube in hollow esophagus, and one end of guiding tube is from the cover utricule in the esophagus
Front end extend forward, and can be placed in esophagus, prevent the laryngeal mask from moving left and right, guiding tube is another in the esophagus
End sequentially passes through the cover utricule and the breather pipe, is formed in the breather pipe and led to for what guiding tube in the esophagus passed through
Road.
The laryngeal mask may also include the rigid gas source connector being inserted into the breather pipe top, in the laryngeal mask snorkel
Formed with the second airway, guiding tube and second airway are connected to outside dress via the gas source connector in the esophagus
Put.
Laryngeal mask provided by the present invention is simple in construction and preferably can be positioned and be fixed.
Brief description of the drawings
Fig. 1 is the perspective view according to the laryngeal mask of embodiments of the invention.
Fig. 2 is the plan according to the laryngeal mask of embodiments of the invention.
Fig. 3 is the decomposition diagram according to the laryngeal mask of embodiments of the invention.
Fig. 4 is the schematic diagram for inserting laryngeal mask according to embodiments of the invention.
Fig. 5 is the diagram according to the laryngeal mask of another embodiment of the present invention.
Fig. 6 is the exploded view of laryngeal mask according to another embodiment of the present invention.
Fig. 7 to Fig. 9 is the diagram of the laryngeal mask with cuff according to another embodiment of the present invention.
Embodiment
Hereinafter, the preferred embodiments of the present invention are described in detail with reference to the attached drawings.It should illustrate, accompanying drawing is not by actual ratio
Draw, the ratio of partial component is exaggerated.Also, in the explanation and accompanying drawing of embodiment below, phase is marked to identical components
Same symbol, and the repetitive description thereof will be omitted.
Referring to figs. 1 to Fig. 3, in an exemplary embodiment in accordance with the present invention, laryngeal mask 1 may include:Laryngeal mask snorkel 11;Cover
Utricule 13, it is attached to the lower end of laryngeal mask snorkel 11;Application 17, it is attached to the outer surface of laryngeal mask snorkel 11.
The cover utricule 13 can be solid, and be formed by the elastomeric material with 45-50A ° of hardness, and elastomeric material has
Good flexibility so that human airway will not be damaged when inserting laryngeal mask.
Cover utricule 13 can be in beloid wedge shape, and the upper surface of cover utricule 13 has opening, the opening and human body gas
Road is corresponding, and can be by the airway and ft connection in laryngeal mask, so as to establish artificial airway.In addition, cover utricule 13
Upper surface can have the seal convexity 131 similar to the physiological anatomic architecture of human airway, and the seal convexity 131 can be from cover
Two approximate circle protuberances closed on that the upper surface of utricule 13 protrudes, with epiglottis, the root of the tongue and oropharynx position good agreement, from
And good sealing is formed when being contacted with human airway.The work of positioning laryngeal mask can be also realized by the seal convexity 131 simultaneously
With.
In addition, the rear portion combined with laryngeal mask snorkel 11 of cover utricule 13 can be described formed with inclined first faying face
Pass through shape formed with the first ventilation interface 134, the first ventilation interface 134 and the opening of the upper surface of cover utricule 13 on faying face
Communicated with each other into the airway in cover utricule 13 so as to form the first airway.
First faying face can be tied each other with the faying face of inclination second of breather pipe 111 (will be described in more detail below)
Close.Such as be bonded to each other in a manner of bonding, but combination not limited to this.When the first faying face and the second faying face are tied each other
During conjunction, the first ventilation interface 134 can be made to be corresponded to each other with the second ventilation interface 116, so that the first airway and laryngeal mask snorkel
The second airway in 11 communicates with each other, and can make the first esophagus drainage interface 133 and second esophagus drainage interface 118 each other
It is corresponding, to form the esophagus drainage channel of connection up and down, when being combined so as to the opening in the upper surface of cover utricule 13 with human airway
Establish artificial airway and esophagus drainage pathway.
The laryngeal mask 1 may also include guiding tube 15 in esophagus, and guiding tube 15 is integratedly noted with cover utricule 13 in the esophagus
Penetrate shaping.Guiding tube 15 can be hollow pipeline in the esophagus.One end of guiding tube 15 can be from the cover utricule in the esophagus
13 front end integratedly extends forward, and can be placed in esophagus.The other end of guiding tube 15 is extensible in the esophagus wears
Cross the cover utricule 13, and sequentially pass through the first esophagus drainage interface 133 and second esophagus drainage interface 118, so as to via
Breather pipe 111 and gas source connector 112 are connected to gastric tube passageway mouth 135, and stomach tube is inserted will pass through guiding tube 15 in the esophagus
Attract gastric juice or gastric content, inhaled by mistake so as to avoid backflowing.The length that guiding tube 15 extends from the front end of cover utricule 13 in esophagus
Degree may be about 20cm, such as 15~18cm.
Guiding tube 15 can be formed by the elastomeric material with 75-80A ° of hardness in the esophagus, to avoid being put into
Esophagus is damaged during esophagus, meanwhile, guiding tube 15 also can not be excessively soft in esophagus, occurs to fold during avoiding inserting or when using or becomes
Shape.When inserting laryngeal mask, described one end of guiding tube 15 can be plugged into esophagus in esophagus, so as to guide the accurate of cover utricule 13
Positioning, after laryngeal mask is inserted, because guiding tube 15 is inserted in esophagus in esophagus so that cover utricule 13 is not easy left and right sidesing shifting,
So as to fix laryngeal mask well.
In addition, the part extended from the front end of cover utricule 13 of guiding tube 15 can separately make a reservation for esophagus inwall in esophagus
Gap, avoid that oesophagus is caused to stimulate.Or the part shape that guiding tube 15 stretches out from the head end of cover utricule 13 in esophagus can be made
As the caliber with change, specifically, the caliber of guiding tube 15 in esophagus can be made from cover utricule 13 towards guiding tube in esophagus
15 front end is gradually reduced, generally tapered, consequently facilitating inserting guiding tube 15 in esophagus.
Laryngeal mask snorkel 11 may include breather pipe 111 for being ventilated and for realizing that laryngeal mask is connected with external mechanical
Gas source connector 112.
Breather pipe 111 can by being formed with certain rigid material, for example, can be formed by the material that hardness is 75-80A °,
So as to larger hardness is avoided to cause to damage to human body.Gas source connector 112 can be formed by rigid material, and its lower end is inserted into
In breather pipe 111, the upper end of gas source connector 112 may be provided with the gastric tube passageway mouth for making esophagus drainage channel and ft connection
135 and the lung ventilator interface 115 for making venting channels be connected with outside lung ventilator.
The inside of breather pipe 111 and gas source connector 112 can lead to formed with ventilation of the length direction along body through body
Road and esophagus drainage channel.Breather pipe 111 can communicate with each other with the airway in gas source connector 112, so as to form the second ventilation
Road.
In addition, one end (lower end in Fig. 3) of breather pipe 111 can be formed with corresponding with the first faying face inclined
Two faying faces, in order to be combined with cover utricule 13, and the body of close inclined second faying face of breather pipe 111 can have
Predetermined bending angle, it is longer to realize to oral stimulation so as to reduce so as to which hypoglossal nerve will not be oppressed when inserting laryngeal mask
Time ventilates.Second faying face can be formed with the second ventilation interface 116 and second esophagus drainage interface 118, respectively with leading to
The venting channels of tracheae 111 connect with esophagus drainage channel.The other end (upper end in Fig. 3) of breather pipe 111 can be formed with
Empty insertion section, to be inserted and fixed gas source connector 112.
Application 17 can be fabricated from a flexible material, to fit to the oral area of patient, so as to limit the displacement up and down of laryngeal mask.Example
Such as, apply and can lead on 17 surface being directly bonded with human body skin formed with the silicon gel layer with good biocompatibility
The material property of Silica hydrogel is crossed so that application can closely be bonded human body skin.Specifically, application 17 may include by such as silica gel
The silicon gel layer of the basalis and formation of formation on the base layer, there is certain sticky silicon gel layer can ensure application 17
It can be brought into close contact with skin.As optional example, the needle penetration of the Silica hydrogel can be 170-200.But the material of application 17
Not limited to this, as long as material of the laryngeal mask fixed to human body skin can be made.Simultaneously as Silica hydrogel and human body are bonded original
Reason is the physical absorption power between the two, without extraly using glue, therefore, can be avoided using during the fixation of the conventional methods such as adhesive tape pairs
Allergy, stimulation or the discomfort that patient skin is brought, for example, the pain pasted or brought when winning adhesive tape to patient.Thus, can be square
Just fixing and winning for laryngeal mask is realized.
Application 17 may be connected to the upper end of laryngeal mask snorkel 11.Application 17 may include the connecting portion positioned at the center of application 17
171 and the sticking part 172 that stretches out from connecting portion periphery.Wherein, the connecting portion 171 can be in and laryngeal mask snorkel 11
Ring-type corresponding to outer surface, is closely surrounded on the outer surface of the laryngeal mask snorkel 11 and can be along the outer of laryngeal mask snorkel 11
Surface is moved up and down with adjustment position, and the sticking part 172 can in the form of sheets, in order to be bonded with human body skin.Sticking part 172 can
Substantially to cover the strip of human body oral area and cheek.The thickness of the sticking part 172 can be 2mm or so, to ensure to be bonded.Make
For optional example, the thickness of the connecting portion 171 can be more than or equal to the thickness of sticking part 172, for example, connecting portion 171 can have
2-4mm thickness, to ensure the bond strength with breather pipe.
Reference picture 4, show the state in patient's oral area according to an embodiment of the invention by laryngeal mask.
When inserting laryngeal mask 1, guiding tube 15 in esophagus can be first set to insert esophagus, so as to be guided by guiding tube in esophagus 15
Cover utricule 13 is inserted, and cover utricule 13 is directed into oesophagus opening, so as to which the front end of laryngeal mask 1 be placed into position.Also,
After inserting laryngeal mask 1, the left and right displacement of cover utricule 13 can be limited by inserting guiding tube 15 in the esophagus in human body esophagus, so that
The front end of laryngeal mask 1 is fixed on oesophagus opening.That is, the front end of cover utricule 13 can be bonded with esophageal orifice, can also prevent just
Gas enters alimentary canal generation gaseous distention through oesophagus during pressure ventilation.Thereafter, the application 17 of laryngeal mask 1 can be fitted to human body oral area,
The tail end of fixed laryngeal mask 1, so as to limit the upper and lower displacement of laryngeal mask 1., can be equal by the front end of laryngeal mask 1 and tail end by aforesaid operations
It is fixed.Meanwhile the seal convexity 131 for the anatomical structure for meeting human airway for passing through cover utricule 13, also can further position and
Fixed laryngeal mask 1.
Therefore, when patient wear laryngeal mask according to an embodiment of the invention when, though in lie on the back, prostrate or it is any its
His position, laryngeal mask are also not in gas leakage, the problems such as inhaling by mistake of backflowing all without displacement.
Fig. 5 shows the diagram of laryngeal mask according to another embodiment of the present invention, and Fig. 6 is another implementation according to the present invention
The exploded view of the laryngeal mask of example.The plan of the laryngeal mask is shown in Fig. 5 left part, and the laryngeal mask is shown in Fig. 5 right part
Side view.The laryngeal mask is different from the construction that the difference of Fig. 1 laryngeal masks shown into Fig. 4 essentially consists in cover utricule 13 and its cover utricule
13 is different from the attachment structure of guiding tube 15 in laryngeal mask snorkel 11 and esophagus, therefore will omit repeated description herein.
Cover utricule 13 according to another embodiment of the present invention can be gasbag-type cover utricule, and can be by gas tube 5 to it
It is inflated.Gasbag-type cover utricule 13 can be wedge shaped, and top is balloon portion, and bottom is supporting part.
The upper surface of balloon portion has the opening corresponding with human airway, and in the close laryngeal mask snorkel of balloon portion
11 one end is provided with the gas-charging connection for inflation.One end of gas tube 5 may be connected to the gas-charging connection of cover utricule 13, another
End may be provided with pilot balloon 6 and monocyclic check valve 7.It can heave air bag 13 by being inflated to monocyclic check valve 7, so as to closed
Air flue.
Connector 14 can be embedded with the supporting part of gasbag-type cover utricule 13, so as to play the work of support air bag formula cover utricule 13
With.The hardness of connector 14 is high than the hardness of gasbag-type cover utricule 13, for example, the hardness of connector may be about 70A °, gas
The hardness of bellows cover utricule 13 may be about 50A °.In addition, connector 14 can also play connection function.Specifically, connector 14
Head and afterbody are connected with guiding tube in esophagus 15 and laryngeal mask snorkel 11 respectively.In addition, the first of gasbag-type cover utricule 13
Joint portion 138 can be combined with the afterbody and laryngeal mask snorkel 11 of connector 14, and the second joint portion 139 can be with the head of connector 14
Portion combines.
The inside of connector 14 has the tubular passageway that its afterbody is extended to from its head, and the afterbody of tubular passageway is connected to
Esophagus drainage channel in laryngeal mask snorkel 11, the head of tubular passageway are connected to guiding tube 15 in esophagus, can led to so as to be formed
Cross it and insert the esophagus drainage pathway that stomach tube attracts gastric juice or gastric content, avoid backflowing and inhale by mistake.The upper surface of connector 14 can
With opening, the opening is connected with human airway, and formed with extending to connector from above-mentioned opening in the connector 14
The ventilation path of 14 afterbody, the ventilation path can connect with the venting channels in laryngeal mask snorkel 11, so as to shape artificial airway
A part.
When assembling laryngeal mask, can make for example, by the mode of bonding connector 14 head and afterbody respectively with laryngeal mask airway
Guiding tube 15 is connected to each other in pipe 11 and esophagus.In addition, after gasbag-type cover utricule 13 is enclosed on connector 14, can also lead to
Crossing the mode of such as bonding makes the first joint portion 138 and laryngeal mask snorkel 11 and the tail of connector 14 of gasbag-type cover utricule 13
Portion is stable to be bonded to each other, and makes the second joint portion 139 and the knot each other of the head steady of connector 14 of gasbag-type cover utricule 13
Close.
As optional example, reference picture 7 to Fig. 9, cuff is may be provided with guiding tube 15 in the esophagus.For example, such as
Shown in Fig. 7, outer cuff 161 and interior cuff 162 can be provided with simultaneously, as shown in figure 8, interior cuff 162 can be provided only with, such as Fig. 9
It is shown, outer cuff 161 can be provided only with.Interior cuff 162 may be provided in esophagus in the pipe of guiding tube 15, with the mistake that prevents from backflowing
Inhale, while available for the stomach tube in guiding tube 15 in fixed insertion esophagus.Outer cuff 161 may be provided in esophagus outside guiding tube 15
On surface, after being inflated by the external cuff 161 of outer cuff gas tube 122, outer cuff 161 can contact with human body esophagus, and then
Guiding tube 15 in fixed esophagus, so as to further prevent laryngeal mask from shifting, while prevent from backflowing and inhale by mistake.In addition, outer cuff gas tube
122 end may be provided with the outer cuff check valve 121 for controlling inflation.
According to an embodiment of the invention, multiple portions such as the seal convexity of guiding tube and cover utricule in application, esophagus are passed through
Part collective effect limits the displacement of laryngeal mask, so as to preferably position and fix laryngeal mask, effectively prevent the left and right of laryngeal mask
Displacement and up and down displacement, while avoid reflux erroneous aspiration as far as possible and pluck the stimulation for wearing laryngeal mask to human body.
Although the present invention has shown and described with reference to various embodiments of the present invention, those skilled in the art will manage
Solution, in the case where not departing from the spirit and scope of the present invention that claim and its equivalent limit, form and thin can be carried out
Various changes and various combinations on section.
Claims (10)
1. a kind of laryngeal mask, including:
Laryngeal mask snorkel (11);
Apply (17), be connected to the upper end of the laryngeal mask snorkel (11), including closely surround the laryngeal mask snorkel (11)
The connecting portion (171) of outer surface and the sticking part (172) outwards to extend from the periphery of connecting portion (171), sticking part (172) are used
To be directly bonded with human body skin to prevent laryngeal mask from shifting.
2. laryngeal mask according to claim 1, it is characterised in that the application (17) is fabricated from a flexible material.
3. laryngeal mask according to claim 2, it is characterised in that the table being directly bonded with human body skin of the application (17)
Formed with silicon gel layer on face.
4. laryngeal mask according to claim 1, it is characterised in that the laryngeal mask also includes cover utricule (13), the cover utricule
(13) lower end of the laryngeal mask snorkel (11) is attached to, so that by the gas of the laryngeal mask snorkel (11) supply via cover capsule
The opening of body (13) upper surface flows into human airway,
Wherein, the cover utricule (13) is solid, is made up of elastomeric material, or, the cover utricule (13) is gasbag-type cover
Utricule.
5. laryngeal mask according to claim 4, it is characterised in that when the cover utricule (13) is solid, the cover capsule
The rear portion of body (13) is formed with inclined first faying face, formed with the first ventilation interface (134), institute on first faying face
State the open communication of the first ventilation interface (134) and cover utricule (13) upper surface and form the first airway.
6. laryngeal mask according to claim 5, it is characterised in that formed with the second ventilation in the laryngeal mask snorkel (11)
Road, the front portion of the breather pipe (111) of the laryngeal mask snorkel (11) is formed with corresponding with the first faying face of cover utricule (13)
Second faying face, formed with the second ventilation interface (116) on the second faying face of the breather pipe (111), when the first faying face
When being bonded to each other with the second faying face, the first ventilation interface (134) corresponds to each other with the second ventilation interface (116), so that the
One airway communicates with each other with the second airway.
7. laryngeal mask according to claim 4, it is characterised in that when the cover utricule (13) is solid, the cover capsule
Body (13) has the seal convexity (131) protruded from the upper surface of cover utricule (13), to fix laryngeal mask.
8. laryngeal mask according to claim 4, it is characterised in that the laryngeal mask snorkel (11) is also included with predetermined curved
The breather pipe (111) of knuckle degree.
9. laryngeal mask according to claim 4, it is characterised in that the laryngeal mask also includes guiding tube in hollow esophagus
(15), one end of guiding tube (15) extends forward from the front end of the cover utricule (13) in the esophagus, and can be placed to food
In road, prevent the laryngeal mask from moving left and right, the other end of guiding tube (15) sequentially passes through the cover utricule (13) in the esophagus
With the breather pipe (111), formed with the passage passed through for guiding tube (15) in the esophagus in the breather pipe (111).
10. laryngeal mask according to claim 9, it is characterised in that the laryngeal mask also includes being inserted into the breather pipe (111)
Rigid gas source connector (112) in top, formed with the second airway in the laryngeal mask snorkel (11), guided in the esophagus
Pipe (15) and second airway are connected to external device (ED) via the gas source connector (112).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201710137931X | 2017-03-09 | ||
CN201710137931.XA CN106823086A (en) | 2017-03-09 | 2017-03-09 | Laryngeal mask |
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CN107715268A true CN107715268A (en) | 2018-02-23 |
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CN201710137931.XA Pending CN106823086A (en) | 2017-03-09 | 2017-03-09 | Laryngeal mask |
CN201710942721.8A Pending CN107715268A (en) | 2017-03-09 | 2017-10-11 | Laryngeal mask |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710137931.XA Pending CN106823086A (en) | 2017-03-09 | 2017-03-09 | Laryngeal mask |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US10744287B2 (en) | 2017-11-29 | 2020-08-18 | Airway Medix S.A. | Laryngeal mask cuffs |
US10173022B1 (en) | 2017-11-29 | 2019-01-08 | Airway Medix S.A. | Laryngeal mask cuff |
US10369311B2 (en) | 2017-11-29 | 2019-08-06 | Airway Medix S.A. | Laryngeal mask cuff |
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- 2017-03-09 CN CN201710137931.XA patent/CN106823086A/en active Pending
- 2017-10-11 CN CN201710942721.8A patent/CN107715268A/en active Pending
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