CN219231070U

CN219231070U - Laryngeal mask

Info

Publication number: CN219231070U
Application number: CN202320211338.6U
Authority: CN
Inventors: 张艳坤; 雷达; 蔡龙祥
Original assignee: Zhejiang Shuguang Technology Co ltd
Current assignee: Zhejiang Shuguang Technology Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-23
Anticipated expiration: 2033-02-14

Abstract

The utility model relates to the technical field of laryngeal masks and discloses a laryngeal mask, which comprises a mask bag and a main pipeline, wherein the mask bag and the main pipeline are integrally formed, an interface, an air blowing pipeline and an air charging pipeline are arranged on the main pipeline, the air blowing pipeline comprises an air blowing pipe, the air blowing pipe extends into the mask bag through the inside of the main pipeline, an air outlet is arranged on the air blowing pipe, the air charging pipeline comprises a mask bag air charging pipe, the mask bag air charging pipe extends into the main pipeline and is connected with the mask bag through the inside of the main pipeline and is used for charging the mask bag, a camera channel is arranged in the main pipeline, and the camera channel extends into the mask bag. The integral molding structure design reduces the input quantity of the die, improves the production efficiency and reduces the cost; the operation of medical staff is not affected by the mutual winding of the pipes, so that the time of intubation is greatly shortened; the design of different channels of the movable assembly and the static assembly ensures that the movable assembly is not blocked during the plugging and unplugging, and the smoothness of the movable assembly is ensured.

Description

Laryngeal mask

Technical Field

The utility model relates to the technical field of laryngeal masks, in particular to a laryngeal mask.

Background

Laryngeal masks are a system of airway management commonly used in modern clinical emergency resuscitation, general anesthesia and the like, and are mainly aimed at maintaining the smooth airway and ensuring ventilation and oxygenation of patients. The laryngeal mask without the video function is frequently subjected to blind insertion implantation during operation, and various problems are encountered in invisible manner, such as tissue damage of epiglottis, arytenoid cartilage and the like of a patient can be caused by blind insertion implantation; the inaccurate placement position is easy to cause air leakage, the ventilation resistance is increased, and the operation is easy to shift; the success rate of the disposable implantation is low under the conditions of partial body position and special air passage; the endocrine condition of the cover bag can not be observed, and the risk of backflow and aspiration is worried. The retrospective research abroad shows that: the improper proportion of the blind insertion position of the laryngeal mask in clinic is about 50% -80%. So that: visualization is necessarily the future of an airway management tool, development of laryngeal mask products of pluggable endoscopes is a trend, and laryngeal masks of pluggable endoscopes at the present stage generally comprise a main pipeline and a mask bag arranged at one end of the main pipeline, and a tracheal intubation channel and a camera shooting collector channel are arranged on the main pipeline. When the device is used, the camera collector is placed into the laryngeal mask capable of being inserted into the endoscope through the channel, then the laryngeal mask and the camera collector are placed into a human body as a whole, and an image shot by the camera collector is transmitted to an external display screen in a wired or wireless conveying mode, so that medical staff can accurately insert the trachea cannula into the trachea, and damage is avoided. The prior art endoscopically insertable laryngeal masks suffer from the following disadvantages: the cover bag and the main pipeline are of split structures, so that the input quantity of the die is high, the assembly process is complicated, time and labor are wasted, and the glue consumption is high and the pollution is serious; various functional tubes are placed in the oral cavity of a human body, and the functional tubes are mutually wound, so that the operation is inconvenient; the standing tube and the camera collector (moving assembly) share a channel, so that the camera collector is prevented from being inserted and pulled out smoothly; the collector of making a video recording can be blockked by secretion and influence the definition of image of making a video recording in the use to, current laryngeal mask generally uses the check valve to aerify, and when the inflation volume exceeded the standard value, the excessive pressure had certain injury to the patient in the cover bag, needed to carry out the pressure release to internal pressure with syringe or other devices this moment, and it is very loaded down with trivial details to operate. When the operation is finished, the pressure of the cover bag is required to be released (deflated) before the cannula is pulled out, so that the cover bag is flat, and conventionally, a pipe connected with the one-way valve is cut off or severed, so that the operation is complicated. If other conditions occur in the tube drawing process, new instruments need to be replaced when the tube drawing process is carried out, so that the economic burden of a patient is increased or the operation time is prolonged. The present application has been made in view of the above problems.

Disclosure of Invention

The utility model aims to provide a laryngeal mask which is used for solving the problems that the investment of dies is high, the assembly process is complicated, the glue consumption is high and the pollution is serious, and various functional pipes are required to be placed in the oral cavity of a human body, and the functional pipes are mutually wound so that the operation is inconvenient; the standing tube and the camera collector share a channel, so that the problem of unsmooth plugging of the camera collector is caused; the problem that the secretion can block the camera collector in the use process to influence the definition of the camera image; the pressure release is complicated in the use process.

The utility model is realized by the following technical scheme.

The utility model discloses a laryngeal mask, which comprises a mask bag and a main pipeline, wherein the mask bag and the main pipeline are integrally formed, an interface, an air blowing pipeline and an air charging pipeline are arranged on the main pipeline, the air blowing pipeline comprises an air blowing pipe, the air blowing pipe extends into the mask bag through the inside of the main pipeline, an air outlet is arranged on the air blowing pipe, the air charging pipeline comprises a mask bag air charging pipe and a check valve assembly, the mask bag air charging pipe extends through the inside of the main pipeline and is connected with the mask bag and is used for charging the mask bag, the check valve assembly is arranged on the mask bag air charging pipe, the check valve assembly comprises a check valve shell, a valve core assembly, a check valve pressure relief opening and a check valve plug, the valve core assembly is arranged in the check valve shell, the valve core assembly comprises a valve core, an elastic piece and a plug, the elastic piece is connected with the valve core and the plug, the check valve is positioned on two sides of the valve core assembly to form an air charging section and a check valve housing section, the check valve pressure relief opening is arranged at the air inlet section, the check valve is detachably arranged at the position of the main pipeline, and is used for extending to a shooting channel, and can be used for blowing in a shooting channel.

Further, the blowing pipeline further comprises a connector, and the connector is connected with the blowing pipe.

Further, a cover body is mounted on the connector, and the cover body can seal the connector.

Further, a luer connector is arranged at the air charging section of the check valve casing.

Further, the inflation pipeline further comprises an air pressure indicating assembly, and the air pressure indicating assembly is arranged on the cover bag inflation tube.

Further, the air pressure indicating component is an indicating air bag.

Further, a lens is mounted at the imaging channel in the cap capsule.

Further, a fixing component is installed on the main pipeline and used for fixing the position of the camera collector.

Further, the fixing assembly comprises a fixing ring, the fixing ring is installed at the camera shooting channel, and the camera shooting collector penetrates through the fixing ring.

Further, the fixing ring is in interference fit with the image pickup channel.

The utility model has the beneficial effects that:

the integrated structure design of the cover bag and the main pipeline reduces the input quantity of the mould, reduces the installation flow and the glue dispensing process, saves time, avoids scrapping in the assembly process, improves the production efficiency and reduces the cost; various functional pipes, including an air blowing pipe, a cover bag air charging pipe and a camera collector, extend through the main pipe and are arranged at the head end of the main pipe, and the arrangement mode can not influence the operation of medical staff due to the mutual winding of the pipes, so that the time of intubation is greatly shortened; the design of different channels of the moving assembly and the standing assembly ensures that the moving assembly is not blocked during the insertion and the extraction, thereby ensuring the smoothness of the moving assembly; if secretion blocks the collector of making a video recording when using the collector of making a video recording to gather information, the design of pipeline of blowing, medical personnel will blow away secretion through the pipeline of blowing lets in a certain amount of air, has guaranteed the definition of making a video recording.

Through set up the check valve relief vent on the check valve casing, the check valve relief vent is located the inboard of case subassembly, when needing the pressure release, only need take off the check valve chock plug of check valve relief vent department and can realize convenient pressure release, compare in traditional check valve and need carry out the pressure release with the help of devices such as syringe or the mode of cutting the pipeline, the step has been simplified, pressure release is efficient, appear other situations when the tube drawing in-process, need not to change new apparatus when the intubate treatment again, the economic burden of patient has been reduced, the duration of operation has been shortened.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall structure of a laryngeal mask;

FIG. 2 is a side view of a laryngeal mask;

FIG. 3 is a schematic structural view of a check valve assembly;

FIG. 4 is a schematic cross-sectional view of a check valve assembly.

Detailed Description

The utility model is described in detail below in connection with fig. 1-4.

Embodiment one:

the laryngeal mask disclosed by the utility model, as shown in figure 1, comprises a main body 1, wherein the main body 1 comprises a mask bag 1-1 and a main pipeline 1-2, the mask bag 1-1 and the main pipeline 1-2 are integrally formed, the integral forming structure design reduces the input quantity of a die, the installation flow and the glue dispensing process are reduced, the time is saved, the scrapping caused in the assembly process is avoided, the production efficiency is improved, and the cost is reduced.

The main pipeline 1-2 is provided with an interface 9, an air blowing pipeline 11 and an air charging pipeline 12, the interface 9 is used for being connected with a breathing machine or an anesthesia machine, a medium enters the main pipeline 1-2 through the interface 9, enters a human body through an opening formed in the cover bag 1-1 through the main pipeline 1-2, the air blowing pipeline 11 comprises an air blowing pipe 4, the air blowing pipe 4 extends into the cover bag 1-1 through the inside of the main pipeline 1-2, the air blowing pipe 4 is provided with an air outlet 13, one end of an air inlet of the air blowing pipe 4 is provided with a allowance with a certain length outside the main pipeline 1-2, the operation is convenient, one end of the air inlet of the air blowing pipe 4 is provided with a connector 3 for being connected with an air supply device such as an injector, a cover body 30 is mounted on the connector 3, the cover body 30 can seal the connector 3, and the cover body 30 seals the connector 3 to avoid foreign matters, impurities and the like from entering when the air blowing pipe 4 is not used.

The inflation pipeline 12 comprises a cover bag inflation tube 7, the cover bag inflation tube 7 extends through the inside of the main pipeline 1-2 and is connected with the cover bag 1-1 and is used for inflating the cover bag 1-1, the inflation pipeline 12 further comprises a one-way valve assembly 5, the one-way valve assembly 5 is installed on the cover bag inflation tube 7, the inflation pipeline 12 further comprises an air pressure indicating assembly 6, the air pressure indicating assembly 6 is arranged on the cover bag inflation tube 7, and the air pressure indicating assembly 6 is used for indicating the inflation amount in the cover bag 1-1.

The main pipeline 1-2 is provided with a channel for inserting the air blowing pipe 4 and the cover bag air charging pipe 7, the channel is integrally arranged or separately arranged, or a channel is arranged to realize separation by arranging a convex grid baffle in the channel, so that the air blowing pipe 4 and the cover bag air charging pipe 7 are prevented from being mutually wound, the air blowing pipe 4 and the cover bag air charging pipe 7 are generally fixed through glue after being installed, the fixing can also be realized through a buckle structure similar to a fixing ring,

the part of the air blowing pipe 4 and the cover bag air charging pipe 7 which are positioned outside the main pipeline 1-2, namely the operation end, is positioned at the head end of the main pipeline 1-2, namely the side far away from the cover bag 1-1, so that the influence on the cover bag 1-1 and the main pipeline 1-2 when being inserted into a human body is avoided.

Preferably, the air pressure indicating assembly 6 is an indicating air bag, as shown in fig. 1, and the one-way valve assembly 5, the indicating air bag and the cover bag inflation tube 7 are sequentially connected.

The main pipeline 1-2 is internally provided with a photographing channel 14, the photographing channel 14 is an independent channel and is isolated from the standing group, namely the air blowing pipe 4 and the cover bag inflation pipe 7, the photographing channel 14 extends into the cover bag 1-1, and the lens 2 is arranged at the opening of the photographing channel 14 in the cover bag 1-1. The image pickup device 10 is installed in the image pickup channel 14. The image pick-up collector 10 is inserted into the cover bag 1-1 through the image pick-up channel 14 and fixed on the main pipeline 1-2, then the laryngeal mask capable of being inserted with an endoscope and the image pick-up collector are integrated into a human body, and the image shot by the image pick-up collector is transmitted to an external display screen in a wired or wireless transmission mode.

The inflation tube 4 and the cap inflation tube 7 are disposed in one channel of the main conduit 1-2 or in different channels, respectively.

As shown in fig. 1, the air outlet 13 is disposed at the side of the image capturing channel 14, and air can be blown toward the image capturing channel 14 through the air outlet 13, so that secretion on the lens 2 can be blown away.

The problem that the mobile assembly, namely the camera collector, is not smooth when being in interference plug with other functional pipes is solved; the air blowing pipe 4, the cover bag air charging pipe 7 and the camera shooting channel 14 are all arranged in the main pipeline 1-2, so that the problem of inconvenient operation of the imbedding oral cavity caused by the mutual winding of the functional pipes is avoided.

Preferably, a fixing component 8 is mounted on the main pipeline 1-2, and the fixing component 8 is used for fixing the position of the camera collector 10. As shown in fig. 1, the fixing component 8 includes a fixing ring, the fixing ring is installed at the position of the image capturing channel 14, the image capturing collector 10 passes through the fixing ring, and the fixing ring 10 clamps the image capturing collector 10, so as to fix the position of the image capturing collector 10. The fixing ring is in interference fit or threaded fit with the camera channel 14.

Embodiment two: on the basis of the first embodiment, as shown in fig. 3, the check valve assembly 5 comprises a check valve housing 51, a valve core assembly, a check valve pressure relief opening 52 and a check valve plug 53, the check valve housing 51 is a pipeline with a circular section, the valve core assembly is arranged in the check valve housing 51, the valve core assembly comprises a valve core 54, an elastic piece 55 and a plug 56, the elastic piece 55 is connected with the valve core 54 and the plug 56, in particular, the elastic piece 55 is a spring, the spring is sleeved on the valve core 54, the plug 56 is arranged in the check valve housing 51, a hole for the valve core 54 to pass through is arranged in the plug 56, the plug 56 plays a role of guiding and limiting the spring, a sealing surface propped against the inner wall of the check valve housing 51 is arranged on the valve core 54, the valve core 54 is integrally formed by encapsulation, the traditional check valve part is reduced, the sealing surface is formed at a rubber pad of the valve core 54, a sealing surface matched with the sealing surface is arranged on the check valve housing 51, the check valve casing 51 is located the case subassembly both sides and forms respectively and aerifys section 510 and inlet section 511, the pipeline and the cover bag inflation tube 7 of inlet section 511 are connected, when aerifing through the section 510, the valve core 54 moves to end cap 56 one side and compression spring, the sealing surface breaks away from the contact with check valve casing 51 inner wall and forms the gas and gets into the passageway, check valve relief port 52 sets up in inlet section 511 department, check valve plug 53 detachable installs in check valve relief port 52 department, check valve plug 53 is used for blockking up check valve relief port 52, when check valve plug 53 blocks up check valve relief port 52, this check valve uses as conventional check valve, when needing to carry out the pressure release, pull out check valve plug 53 from check valve relief port 52, carry out the gassing pressure release, the time of check valve relief port is plugged to the control check valve plug, but the pressure size in the pipeline.

Preferably, the inflation section 510 of the check valve housing 51 is provided with a luer fitting 57 that can be locked with a syringe or other air intake device.

Preferably, for convenience of use, the check valve plug 53 is connected to the check valve housing 51, and the check valve plug 53 is prevented from being lost after the check valve plug 53 is pulled out.

Preferably, the check valve plug 53 is connected to the check valve housing 51 by a flexible connection 58, the connection 58 being of a plastic material, such as tpe.

Preferably, in this embodiment, the check valve plug 53 is in interference fit with the check valve relief opening 52, and the check valve plug 53 and the check valve relief opening 52 may also be in threaded fit.

Preferably, the pressure relief opening 52 of the check valve is a hole formed in the check valve housing 51, so that the check valve housing 51 is integrally formed and has the functions of conducting, sealing, relieving pressure and the like, the input quantity of the die is reduced, the installation flow and the gluing process are reduced, and the production efficiency is improved.

Preferably, as shown in fig. 1-3, the check valve plug 53 includes a plug portion 530 and a cap portion 531, the cap portion 531 having a diameter greater than the diameter of the plug portion 530, the cap portion 531 functioning as a location for when the check valve plug 53 is plugged at the check valve relief port 52 and also functioning to facilitate depression of the check valve plug 53.

Preferably, the port position of the check valve relief opening 52 is protruded on the check valve housing 51, and a plane is formed at the top of the port, the top cover 531 of the check valve plug 53 has a plane for attaching to the plane at the top of the port of the check valve relief opening 52, and when the check valve plug 53 blocks the check valve relief opening 52, the bottom surface of the check valve plug 53 attaches to the plane at the top of the port of the check valve relief opening 52, so as to achieve the sealing effect.

Preferably, the cross-sectional area of the top cover part 531 is larger than the top plane area of the port of the pressure relief opening 52 of the one-way valve, so that the edge of the top cover part 531 is in a suspended state, and when the one-way valve plug 53 is pulled out, the one-way valve plug 53 can be conveniently and laborsaving taken out through the edge position of the top cover part 531.

Optionally, the length of the plug portion 530 is greater than the depth of the check valve relief opening 52, and after the plug portion 530 is plugged into the check valve relief opening 52, the plug portion 530 extends into the check valve housing 51, so that the sealing effect of the plug portion 530 can be enhanced, and the plug portion 530 is prevented from being easily ejected out due to stress when the pressure in the check valve is high.

When the check valve is required to be inflated, the pressure relief opening of the check valve is plugged by the check valve plug head, then the check valve plug head is connected with the luer connector end of the check valve by a syringe or other devices, the valve core is pushed while being connected, the spring is compressed, and the sealing surface at the rubber pad on the valve core is separated from the sealing surface of the valve housing of the check valve, so that inflation is realized, and inflation is stopped when a certain pressure is reached in a pipeline; after the inflation is stopped, the injector or other air inlet devices can be removed, and the valve core can be reset through the spring, so that the sealing surface of the rubber pad is tightly pressed on the sealing surface of the inner wall of the valve casing of the one-way valve, and the one-way valve is sealed; when pressure relief is needed, the check valve plug is pulled out, so that the pressure in the pipeline can be relieved rapidly; the pressure in the pipeline can be adjusted by controlling the time for the one-way valve plug to plug the pressure relief opening of the one-way valve.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement it without limiting the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. A laryngeal mask, characterized in that: including cover bag (1-1) and trunk line (1-2), cover bag (1-1) with trunk line (1-2) is integrated into one piece, be equipped with interface (9), blow pipeline (11) and inflation line (12) on trunk line (1-2), blow pipeline (11) are including blow pipe (4), blow pipe (4) are through trunk line (1-2) inside extends to in cover bag (1-1), be equipped with gas outlet (13) on blow pipe (4), inflation line (12) include cover bag inflation tube (7) and check valve subassembly (5), cover bag inflation tube (7) are through the inside extension of trunk line (1-2) and with cover bag (1-1) are connected for cover bag (1-1) is inflated, check valve subassembly (5) are installed on cover bag inflation tube (7), check valve subassembly (5) include check valve (51), case subassembly, check valve mouth (52) and check valve subassembly (53) are equipped with gas outlet (13), case subassembly (55) are in valve case (54) and valve case subassembly (55), the elastic piece (55) with case (54) with end cap (56) are connected, check valve casing (51) are located case subassembly both sides form respectively and aerify section (510) and air inlet section (511), check valve relief (52) set up air inlet section (511) department, check valve plug (53) detachable installs check valve relief (52) department, check valve plug (53) are used for the jam check valve relief (52), be equipped with in trunk line (1-2) and make a video recording passageway (14), make a video recording passageway (14) extend to in cover bag (1-1), gas outlet (13) can to make a video recording passageway (14) direction blows.

2. A laryngeal mask according to claim 1, characterised in that: the blowing pipeline (11) further comprises a connector (3), and the connector (3) is connected with the blowing pipe (4).

3. A laryngeal mask according to claim 2, characterised in that: the connector (3) is provided with a cover body (30), and the cover body (30) can seal the connector (3).

4. A laryngeal mask according to any one of claims 1 to 3, characterised in that: a luer connector (57) is arranged at the air charging section (510) of the one-way valve shell (51).

5. A laryngeal mask according to any one of claims 1 to 3, characterised in that: the inflation pipeline (12) further comprises an air pressure indicating assembly (6), and the air pressure indicating assembly (6) is arranged on the cover bag inflation tube (7).

6. A laryngeal mask according to claim 5, characterised in that: the air pressure indicating assembly (6) is an indicating air bag.

7. A laryngeal mask according to any one of claims 1 to 3, 6, characterised in that: a lens (2) is mounted on the image pickup channel (14) in the cover bag (1-1).

8. A laryngeal mask according to claim 7, characterised in that: the main pipeline (1-2) is provided with a fixing component (8), the camera collector (10) is arranged in the camera channel (14), and the fixing component (8) is used for fixing the position of the camera collector (10).

9. A laryngeal mask according to claim 8, characterised in that: the fixing assembly (8) comprises a fixing ring, the fixing ring is installed at the camera shooting channel (14), and the camera shooting collector (10) penetrates through the fixing ring.

10. A laryngeal mask according to claim 9, characterised in that: the fixing ring is in interference fit with the image pickup channel (14).