CN207477770U - Novel cannula laryngeal mask - Google Patents
Novel cannula laryngeal mask Download PDFInfo
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- CN207477770U CN207477770U CN201720275278.9U CN201720275278U CN207477770U CN 207477770 U CN207477770 U CN 207477770U CN 201720275278 U CN201720275278 U CN 201720275278U CN 207477770 U CN207477770 U CN 207477770U
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- laryngeal mask
- cannula
- trachea cannula
- intubation conduit
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Abstract
The utility model discloses one kind and can not only be used for laryngeal mask application, and can seamlessly switch to the novel cannula laryngeal mask as trachea cannula application state.The utility model includes having soft cover portion（1）Laryngeal mask ontology（2）And trachea cannula（3）, the soft cover portion（1）On be connected with gas tube（4）, the laryngeal mask ontology（2）On be provided with intubation conduit（5）, in the laryngeal mask ontology（2）Above and positioned at the soft cover portion（1）The position of encirclement forms laryngeal mask chamber（6）, the intubation conduit（5）With the laryngeal mask chamber（6）It is connected, the trachea cannula（3）It seals and is slidably fit into the intubation conduit（5）It is interior, push the trachea cannula（3）When, the trachea cannula（3）Outlet side to the laryngeal mask chamber（6）It is mobile and from the laryngeal mask chamber（6）Open-mouth be pierced by, the trachea cannula（3）With the intubation conduit（5）Between keep sealing.The utility model can be applied to field of medical device.
Description
Technical field
The utility model is related to field of medical device more particularly to a kind of novel cannula laryngeal masks.
Background technology
Laryngeal mask is applied in general anesthesia operation, establishes the effective means of pressure-relief vent.It is more and more wider with the application of laryngeal mask
General, variation with rapid changepl. never-ending changes and improvements also has occurred in laryngeal mask technology.Up to the present, the different types of laryngeal mask of a variety of different models is developed
Out and it is supplied to clinical practice.And before laryngeal mask, when applying general anaesthetic operation, advanced promoting the circulation of qi cannula is needed, to ensure
Lung's respiratory function of patient.Compared to trachea cannula, the application of laryngeal mask has unrivaled advantage：（1）It, can using simple
Establish artificial airway rapidly；（2）It is high to place success rate, the success rate of unbred medical staff is also high；（3）Ventilation can
It leans on；（4）Throat and tunica mucosa tracheae is avoided to damage；（5）Stimulate small, cardiovascular response is small；（6）Available for first aid.
However, existing laryngeal mask still has some shortcomings in use.Such as because of laryngeal mask poor sealing, there are gasteremphraxis
Gas and mistake of backflowing are inhaled, for another example the poor aeration caused by laryngeal mask shifts.Laryngeal mask airway cannot meet clinical requirement in some cases
When there is still a need for promoting the circulation of qi cannulas.Existing laryngeal mask needs to remove when being changed to trachea cannula by laryngeal mask airway promoting the circulation of qi pipe again after laryngeal mask
Intubation, the intubating laryngeal mask of special designing also need pause ventilation to be placed in trachea cannula, then the trachea cannula for passing through merging from blow vent
Be passed through oxygen, in this course, can not will temporarily carry out mechanical ventilation, if pause duration of ventilation it is long be likely occurred it is scarce
The danger of oxygen.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide one kind to can not only be used for laryngeal mask
Using, and the novel cannula laryngeal mask as trachea cannula application state can be seamlessly switched to.
Technical solution is used by the utility model：The utility model includes laryngeal mask ontology and tracheae with soft cover portion
Intubation is connected with gas tube in the soft cover portion, intubation conduit is provided on the laryngeal mask ontology, on the laryngeal mask ontology and
Laryngeal mask chamber is formed positioned at the position that the soft cover portion is surrounded, the intubation conduit is connected with the laryngeal mask chamber, the gas
Cannula is sealed and is slidably fit into the intubation conduit, and when pushing the trachea cannula, the trachea cannula goes out
Gas end is mobile to the laryngeal mask chamber and is pierced by from the open-mouth of the laryngeal mask chamber, and the trachea cannula is led with the intubation
Sealing is kept between pipe.
Said program is intubated conduit as it can be seen that being set on laryngeal mask ontology, in intubation conduit interior sealing and slidably engages
Trachea cannula, during use laryngeal mask can easily be first passed through after in place the intrinsic laryngeal mask chamber of laryngeal mask carry out it is logical outside glottis
Gas；It can be worn from the open-mouth of the laryngeal mask chamber outlet side that trachea cannula can lead in-pipe and the trachea cannula in intubation
Go out and enter the glottis of patient, and keep sealing between the trachea cannula and the intubation conduit, accordingly, if clinical need
Promoting the circulation of qi cannula, which can push directly on trachea cannula and be pierced by the open-mouth of laryngeal mask chamber and be sent at the glottis of patient, can be completed gas
Cannula, whole process will not interrupt mechanical ventilation；Laryngeal mask ontology can also be exited after the completion of intubation and leave behind trachea cannula, this
Afterwards, you can ventilated using trachea cannula；By the utility model, it can be achieved that seamless turn between trachea cannula and laryngeal mask
It changes, ensures that the moment can carry out mechanical ventilation to patient, so as to greatly reduce turn of laryngeal mask airway and trachea cannula ventilation
Change difficulty and the risk of ventilation interruption.
Further, on the outer wall of the trachea cannula and with being provided with sealing at the matched position of the intubation conduit
Part, the sealing element form sealant between the outer wall of the trachea cannula and the inner wall of the intubation conduit.
Said program ensure that the leakproofness of laryngeal mask chamber, promote oxygen can be successfully as it can be seen that by the setting of sealing element
The lung of patient is entered, ensures uninterrupted mechanical ventilation.
Still further, the sealing element is gas cell or is silica piston or is O-ring seal.
As it can be seen that the way of realization of sealing element can be varied, purpose is all to improve sealing performance said program, protects
Card ventilation is smoothed out.
Again further, camera, the camera and the control system of periphery are provided in the laryngeal mask chamber
Signal connects.
No matter said program can be clearly observed the situation on patient's glottis and periphery as it can be seen that by the setting of camera
When being when being placed in laryngeal mask or being placed in trachea cannula, glottis situation can be clearly viewed in real time, realize quick positioning and observation.
Also further, it is staggeredly equipped with reinforcing rib on the laryngeal mask ontology.
Said program is as it can be seen that the setting for passing through reinforcing rib, it can be ensured that the intensity of entire laryngeal mask ontology avoids laryngeal mask from making
With there is a situation where being broken, ensureing the safety used in the process.
Further, gas source connector is provided in the outer end of the trachea cannula, the outer end of the gas tube is provided with
Gas-charging connection.
Said program as it can be seen that by gas source connector setting, it can be achieved that periphery oxygen easily supply, make convenient for clinic
With；The charge operation of the soft cover portion is then convenient in the setting of gas-charging connection, reduces the labor intensity of staff.
Finally, the shape of the laryngeal mask ontology is consistent with the cavity shape in the oral cavity of human body to throat.
Said program makes laryngeal mask as it can be seen that the shape by laryngeal mask ontology is consistent with the cavity shape in the oral cavity of human body to throat
Ontology is adapted with the structure of human body bottleneck throat, and by the design of this ergonomics, the utility model can be more easily
It is placed in human body bottleneck throat.
Description of the drawings
Fig. 1 is the easy structure schematic diagram of the utility model；
Fig. 2 is the easy structure sectional view that the utility model is splitted from centre position；
Fig. 3 is the easy structure schematic diagram of the trachea cannula.
Specific embodiment
As shown in Figure 1 to Figure 3, in the utility model, the novel cannula laryngeal mask includes the laryngeal mask ontology with soft cover portion 1
2 and trachea cannula 3, gas tube 4 is connected in the soft cover portion 1.Intubation conduit 5 is provided on the laryngeal mask ontology 2.In this reality
It applies in example, the intubation conduit 5 is arranged on the downside of the laryngeal mask ontology 2, and the intubation conduit 5 is shorter in length than institute
The length of trachea cannula 3 is stated, in the present embodiment, the intubation conduit 5 extends to the laryngeal mask ontology at the soft cover portion 1
The top position in knee on 2, this is inserted into convenient for trachea cannula 3 in the intubation conduit 5.On the laryngeal mask ontology 2
And laryngeal mask chamber 6 is formed positioned at the position that the soft cover portion 1 is surrounded, the intubation conduit 5 is connected with the laryngeal mask chamber 6.
The trachea cannula 3 is sealed and is slidably fit into the intubation conduit 5, specifically, on the outer wall of the trachea cannula 3
And with being provided with sealing element 7 at 5 matched position of the intubation conduit, the sealing element 7 is in the outer wall of the trachea cannula 3
Sealant is formed between the inner wall of the intubation conduit 5；The inner wall of the intubation conduit 5 keeps smooth simultaneously, and sealing element 7 can
The inner wall that against the intubation conduit 5 slides.The sealing element 7 is gas cell or is silica piston or is O-ring seal.This
Outside, since sealing element 7 is in the oral cavity of patient during the work time, and the humidity in oral cavity is larger, using in oral cavity
Humidity, sealing element 7 is set as being fixed on to the composite material of the wet self-expanding of chance on the trachea cannula 3（As carbon fiber is answered
Condensation material）.In the present embodiment, the sealing element 7 chooses gas cell, sealing tracheae is additionally provided on the gas cell, by close
Tracheae is sealed, it can be achieved that the inflation operation of gas cell.After by laryngeal mask patient oral cavity, outer end and the periphery of trachea cannula 3
Source of oxygen connection, at this point, the sealing element 7 and the soft cover portion 1 form the sealing system of the laryngeal mask chamber together, from described
The oxygen that trachea cannula 3 is passed through, completely into the lung to patient, the phenomenon that gas leakage will not be generated.It is supplied so as to fulfill laryngeal mask
Function.When needing promoting the circulation of qi cannula, the trachea cannula 3 is pushed in periphery, the outlet side of the trachea cannula 3 is to described
Laryngeal mask chamber 6 is moved and is pierced by from the open-mouth of the laryngeal mask chamber 6, and finally at the glottis of arrival patient, the tracheae is inserted
It keeps sealing between pipe 3 and the intubation conduit 5, at this point, oxygen is sent into lung by the trachea cannula 3 directly at glottis.
Camera 8 is provided in the laryngeal mask chamber 6, the camera 8 is connect with the control system signal of periphery.It takes the photograph
As head can be used for observation patient's bottleneck throat, there is a situation where the focal parts of lesion, it may also be used for when carrying out laryngeal mask, into
Row visualization merging, realizes precise positioning.The side of the camera 8 is additionally provided with LED light source, and LED light source can be to laryngeal mask chamber
Room provides light, and camera is made more clearly to capture the situation of patient's bottleneck throat.Reinforcement is staggeredly equipped on the laryngeal mask ontology 2
Muscle 9.Gas source connector 10 is provided in the outer end of the trachea cannula 3, the outer end of the gas tube 4 is provided with gas-charging connection 11.
The shape of the laryngeal mask ontology 2 is consistent with the cavity shape in the oral cavity of human body to throat.
Certainly, the intubation conduit 5 also may extend into grows as the length of trachea cannula 3, close to the portion of soft cover portion 1
It is divided into the tubular body section surrounded entirely, and the part far from soft cover portion 1 can be semi-enclosed tube seat shape body section.Tube seat shape body section can
The full tubular body section of surrounding that intubation conduit 5 is pushed into trachea cannula 3 plays guiding role so that trachea cannula 3 enters more
It is smoothly accurate.
In addition, gastric juice is flow backwards in order to prevent, drainage tube can also be set in the laryngeal mask ontology 2, in the soft cover portion 1
Front end setting oesophagus connector, one end of drainage tube is connected to oesophagus connector.At oesophagus connector and human body bottleneck throat
Esophageal orifice be adapted, the gastric juice in from stomach reflux to oesophagus can be drained to by periphery by oesophagus connector, avoid gastric juice
It flows back to lung and lung is caused to infect.
In order to avoid patient, the closure of the upper jaw and the lower jaw in oral cavity influences the tracheae being inserted into and intubation in the operation that applies general anaesthetic
Break-make can also set bite-block on trachea cannula, and bite-block is the hard object of ring-type for being looped around trachea cannula periphery, in laryngeal mask
To after patient's bottleneck throat, the upper jaw and the lower jaw tooth of patient can bite-block conduct support.
The utility model is simple in structure, sets trachea cannula simultaneously in laryngeal mask, the outlet side of trachea cannula is not pierced by larynx
During the open-mouth of cover chamber, oxygen enters from trachea cannula, and passes through and the glottis of patient is entered back into after laryngeal mask chamber to lung,
This ventilates for laryngeal-mask.When needing promoting the circulation of qi cannula, the trachea cannula 3, the outlet side of the trachea cannula 3 are pushed in periphery
It moves to the laryngeal mask chamber 6 and is pierced by from the open-mouth of the laryngeal mask chamber 6, and finally at the glottis of arrival patient, this is
Trachea cannula is ventilated.Thus, during the entire process of general anesthesia operation, no matter which kind of situation occurs for patient, it can be seamlessly
The pattern of trachea cannula ventilation is switched to, guarantee will not stop supplying oxygen, avoid happening for anoxic.
It is pierced by the open-mouth of laryngeal mask chamber if clinic needs promoting the circulation of qi cannula that can push directly on trachea cannula and is sent into trouble
Trachea cannula can be completed at the glottis of person, whole process will not interrupt mechanical ventilation；It also can be by laryngeal mask ontology after the completion of intubation
It exits and leaves behind trachea cannula, hereafter, you can ventilated using trachea cannula；By the utility model, it can be achieved that tracheae is inserted
Bumpless transfer between pipe and laryngeal mask ensures that the moment can carry out mechanical ventilation to patient, leads to so as to greatly reduce laryngeal mask
The risk that the conversion difficulty and ventilation of gas and trachea cannula ventilation are interrupted.
The utility model can be applied to field of medical device.
Claims (7)
1. a kind of novel cannula laryngeal mask, it is characterised in that：It includes having soft cover portion（1）Laryngeal mask ontology（2）And trachea cannula
（3）, the soft cover portion（1）It is connected with gas tube（4）, the laryngeal mask ontology（2）On be provided with intubation conduit（5）, in the larynx
Cover body（2）Above and positioned at the soft cover portion（1）The position of encirclement forms laryngeal mask chamber（6）, the intubation conduit（5）With it is described
Laryngeal mask chamber（6）It is connected, the trachea cannula（3）It seals and is slidably fit into the intubation conduit（5）It is interior, push institute
State trachea cannula（3）When, the trachea cannula（3）Outlet side to the laryngeal mask chamber（6）It is mobile and from the laryngeal mask chamber
（6）Open-mouth be pierced by, the trachea cannula（3）With the intubation conduit（5）Between keep sealing.
2. novel cannula laryngeal mask according to claim 1, it is characterised in that：The trachea cannula（3）Outer wall on and with
The intubation conduit（5）Sealing element is provided at matched position（7）, the sealing element（7）In the trachea cannula（3）'s
Outer wall and the intubation conduit（5）Inner wall between form sealant.
3. novel cannula laryngeal mask according to claim 2, it is characterised in that：The sealing element（7）For gas cell or it is silicon
Glue piston is O-ring seal.
4. novel cannula laryngeal mask according to any one of claims 1 to 3, it is characterised in that：In the laryngeal mask chamber（6）It is interior
It is provided with camera（8）, the camera（8）It is connect with the control system signal of periphery.
5. novel cannula laryngeal mask according to claim 4, it is characterised in that：The laryngeal mask ontology（2）On be staggeredly equipped with
Reinforcing rib（9）.
6. novel cannula laryngeal mask according to claim 1, it is characterised in that：In the trachea cannula（3）Outer end setting
There is gas source connector（10）, the gas tube（4）Outer end be provided with gas-charging connection（11）.
7. novel cannula laryngeal mask according to claim 1, it is characterised in that：The laryngeal mask ontology（2）Shape and human body
Oral cavity to throat cavity shape it is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720275278.9U CN207477770U (en) | 2017-03-21 | 2017-03-21 | Novel cannula laryngeal mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720275278.9U CN207477770U (en) | 2017-03-21 | 2017-03-21 | Novel cannula laryngeal mask |
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| Publication Number | Publication Date |
|---|---|
| CN207477770U true CN207477770U (en) | 2018-06-12 |
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ID=62483421
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720275278.9U Active CN207477770U (en) | 2017-03-21 | 2017-03-21 | Novel cannula laryngeal mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207477770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975133A (en) * | 2017-03-21 | 2017-07-25 | 黄宏辉 | Novel cannula laryngeal mask |
-
2017
- 2017-03-21 CN CN201720275278.9U patent/CN207477770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975133A (en) * | 2017-03-21 | 2017-07-25 | 黄宏辉 | Novel cannula laryngeal mask |
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