CN217339686U - Overlapping inflatable bag laryngeal mask - Google Patents
Overlapping inflatable bag laryngeal mask Download PDFInfo
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- CN217339686U CN217339686U CN202220837622.XU CN202220837622U CN217339686U CN 217339686 U CN217339686 U CN 217339686U CN 202220837622 U CN202220837622 U CN 202220837622U CN 217339686 U CN217339686 U CN 217339686U
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- airbag
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Abstract
The utility model discloses an overlapping inflatable bag laryngeal mask, which comprises an air pipe, an air vent cover and an air injection pipeline, wherein the air vent cover is arranged at the front end of the air pipe, the air injection pipeline is communicated with the air vent cover, the air vent cover comprises a main airbag and a standby airbag, the main airbag is arranged at the front end of the air pipe, and the standby airbag covers the main airbag in an overlapping manner; the gas injection pipeline comprises a main gas injection pipeline and a standby gas injection pipeline, one end of the main gas injection pipeline is communicated with the main airbag, one end of the standby gas injection pipeline is communicated with the standby airbag, the main gas injection pipeline and the standby gas injection pipeline are both arranged along the pipe wall of the vent pipe, and the other ends of the main gas injection pipeline and the standby gas injection pipeline penetrate out from the positions close to the rear end of the vent pipe; this application is when using, and the cover that ventilates laminates on the laryngopharynx chamber tissue, if discovery gas leakage phenomenon under mechanical ventilation, can aerify reserve gasbag, makes reserve gasbag expand with shutoff gas leakage point, realizes accurate shutoff.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to overlap gas cell laryngeal mask.
Background
The laryngeal mask is a temporary transitional ventilation tool on the glottis, and the laryngeal cavity is closed and then assisted in breathing or mechanical ventilation through the inflatable silica gel ventilation mask at the front end. Even if people with similar body types have certain differences in the anatomy of the throat cavity, the phenomenon that gas leaks from the parts where the ventilation cover is not tightly attached to the tissues of the throat cavity exists in the mechanical ventilation mode after some patients are placed in the laryngeal cover. The ventilation cover is inflated to expand to improve air leakage, but the phenomenon of air leakage cannot be well solved in some cases, improper inflation easily causes excessive pressure on throat cavity tissues, and postoperative throat pain and ulcer complications are increased. If the type of the laryngeal mask is not properly selected, the ventilation effect is poor after the laryngeal mask is placed, the laryngeal mask with another type needs to be replaced, the waste of medical resources is caused, and meanwhile, the repeated placement and removal of the laryngeal mask easily causes iatrogenic injury complications such as ulceration and bleeding of the laryngeal cavity and the like.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims at providing an overlapped inflatable bag laryngeal mask which can block the air leakage point.
The utility model adopts the technical proposal that:
an overlapping inflatable bag laryngeal mask comprises an air vent pipe, an air vent cover and an air injection pipeline, wherein the air vent cover is arranged at the front end of the air vent pipe, the air injection pipeline is communicated with the air vent cover, the air vent cover comprises a main air bag and a standby air bag, the main air bag is arranged at the front end of the air vent pipe, and the standby air bag covers the main air bag in an overlapping mode; the gas injection pipeline includes main gas injection pipeline and reserve gas injection pipeline, the one end of main gas injection pipeline with main gasbag intercommunication, the one end of reserve gas injection pipeline with reserve gasbag intercommunication, main gas injection pipeline and reserve gas injection pipeline all follow the pipe wall of breather pipe arranges, and its other end is in being close to the breather pipe rear end position is worn out.
Further, air bag pressure gauges are installed at the other ends of the main air injection pipeline and the standby air injection pipeline.
Further, the spare airbag is of a C shape arranged along the front side of the main airbag.
Further, one end of the spare gas injection pipeline penetrates through the main air bag and is communicated with the spare air bag.
Further, the front end of the vent pipe is bent towards the direction of the vent cover, and the bending angle is 25-42 degrees.
Furthermore, the main airbag is made of silica gel and has a thickness of 0.5-1.5 mm.
Furthermore, the standby air bag is made of a water-based polyurethane material, the thickness of the standby air bag is 0.01-0.12 mm, and the width of the standby air bag is 6-12 mm.
Further, the front side of the breather pipe inserting section is of a smooth concave cambered surface structure, and the curvature of the breather pipe inserting section is 10-12 degrees.
Further, the rear side face of the breather pipe inserting section is of an outer convex cambered surface structure, and the bending degree of the breather pipe inserting section is 15-17 degrees.
Further, the air vent cover and the axis of the rear end of the air vent pipe form an included angle of 38 degrees +/-10 degrees.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of an overlapping inflatable cuff in an uninflated configuration as provided by an embodiment of the present application;
FIG. 2 is a schematic view of an overlapping inflatable cuff in an inflated condition according to an embodiment of the present application;
FIG. 3 is a sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic view of a portion of an overlapping inflatable laryngeal mask in accordance with an embodiment of the present application;
FIG. 5 is a schematic illustration of inflation of a primary airbag according to embodiments of the present application;
FIG. 6 is a schematic illustration of the inflation of a backup airbag provided in accordance with an embodiment of the present application;
fig. 7 is a sectional view taken along C-C of fig. 1.
Among them, the ventilation tube 1, the front side 11, the rear side 12, the ventilation cover 2, the main bag 21, the auxiliary bag 22, the main gas injection line 31, the auxiliary gas injection line 32, and the bag pressure gauge 4.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, and the essential thing lies in the connection relationship between the hardware, not the function, method itself, that is, the present invention relates to a little function, method, but does not include the improvement proposed to the function, method itself. The present invention is described for better illustration of the function and method for better understanding of the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Referring to fig. 1 to 7, the present application relates to an overlapping inflatable bag laryngeal mask, which includes a ventilation tube 1, an air vent cover 2 and an air injection pipeline, wherein the air vent cover 2 is disposed at a front end of the ventilation tube 1, the air injection pipeline is communicated with the ventilation cover 2, the air vent cover 2 includes a main airbag 21 and a reserve airbag 22, the main airbag 21 is disposed at a front end of the ventilation tube 1, and the reserve airbag 22 is disposed on the main airbag 21 in an overlapping manner; the gas injection pipeline includes main gas injection pipeline 31 and reserve gas injection pipeline 32, the one end of main gas injection pipeline 31 with main gasbag 21 intercommunication, the one end of reserve gas injection pipeline 32 with reserve gasbag 22 intercommunication, main gas injection pipeline 31 and reserve gas injection pipeline 32 all follow the pipe wall of breather pipe 1 arranges, and its other end is in being close to the wear out of breather pipe 1 rear end position.
The ventilation hood 2 is provided with a structure comprising a main air bag 21 and a standby air bag 22, wherein the standby air bag 22 covers the main air bag 21 in an overlapping mode, the main air bag 21 is communicated with a main air injection pipeline 31 and is inflated through the main air injection pipeline 31, and the standby air bag 22 is communicated with a standby air injection pipeline 32 and is inflated through the standby air injection pipeline 32; when the disposable air bag type air ventilation hood is used, the air ventilation hood 2 is attached to the tissues of the pharyngeal cavity, if air leakage is found under mechanical ventilation, the standby air bag 22 can be inflated, the standby air bag 22 is expanded to block air leakage points, the standby air bag 22 covers the front side face 11 of the main air bag 21, the expansion deformation range of the standby air bag 22 is large, the air leakage points can be completely covered, accurate blocking is achieved, air pressure in the air bag is low, extrusion force on the front wall tissues of the pharyngeal cavity is small, iatrogenic injury caused by the fact that the whole body of the air ventilation hood 2 is excessively expanded to press the pharyngeal cavity can be reduced, the situation that the tissues of the pharyngeal cavity are extruded due to the fact that the single main air bag 21 is excessively inflated is avoided, and discomfort of the pharyngeal cavity after a patient operates is relieved.
The main airbag 21 is made of silica gel, has a thickness of 0.5-1.5 mm, is 2 and 3 in type, is suitable for most of children body type groups and adult body type groups, and reduces medical resource waste caused by improper selection and iatrogenic injury caused by repeated operation.
The standby air bag 22 is made of water-based polyurethane material, and has a thickness of 0.01-0.12 mm and a width of 6-12 mm. The backup airbag 22 is a C-shaped airbag disposed along the front side of the main airbag 21, and covers the front side surface 11 of the main airbag 21.
The main gas injection pipeline 31 and the reserve gas injection pipeline 32 are arranged on two sides of the vent pipe 1, the air bag pressure gauges 4 are installed at the other ends of the main gas injection pipeline 31 and the reserve gas injection pipeline 32, filling and shriveling of the two air bags can be controlled respectively, and accurate control of the inflation amount of the two air bags is achieved.
Main gas is installed at the other end of the main gas injection pipeline 31A bladder pressure gauge having a measurable pressure range of 0 to 40cmH 2 O, a standby air bag pressure gauge is arranged at the other end of the standby air injection pipeline 32, and the pressure measuring range of the standby air bag pressure gauge is 0-30 cmH 2 And O. The main air bag pressure gauge and the other air bag pressure gauge 4 can be provided with different color marks to distinguish and prevent misoperation.
Specifically, one end of the auxiliary inflation line 32 passes through the main bag 21 and communicates with the auxiliary bag 22.
The front end of the breather pipe 1 is bent towards the direction of the breather cover 2, and the bending angle is 25-42 degrees.
Specifically, the rear end 1/2 of the vent pipe 1 is linear, the front end 1/2 of the vent pipe 1 is pre-bent, and the bending angle is 25-42 degrees. The air ventilation cover 2 and the rear end axis of the air ventilation pipe 1 form an included angle of 38 degrees +/-10 degrees.
The aeration pipe 1 includes an insertion section having a triangular cross-section.
Specifically, the front side surface 11 of the inserted section of the vent pipe 1 is of a smooth concave arc surface structure, and the curvature of the front side surface is 10-12 degrees so as to be attached to the surface of the tongue root to dissect an arc curve when in use. The rear side surface 12 of the inserted section of the breather pipe 1 is of an outer convex cambered surface structure, and the curvature of the breather pipe is 15-17 degrees. The rear side 12 of the inserted section of the snorkel 1 is in arc transition with the front side 11, and the curvature is 18 degrees.
The front side and the rear side of the insertion section of the breather pipe 1 are arranged to be arc-shaped structures, so that the laryngeal mask is easy to insert, and the laryngeal mask can be effectively prevented from shifting due to the change of the body position.
The rear end pipe wall of the aeration pipe 1 is of a circular structure in cross section, the rear end of the aeration pipe 1 is provided with a conical national standard joint, the external diameter of the national standard joint is 15mm, and the national standard joint can be connected with a breathing loop of an anesthesia machine.
The application method of the laryngeal mask comprises the following steps:
1. inflating the main airbag 21 through the main gas injection pipeline 31 to enable the main airbag 21 of the ventilation hood 2 to be inflated, and monitoring the pressure of the main airbag 21 in real time by using a main airbag pressure gauge, wherein the pressure is 15-25 cmH 2 O。
2. The front side 11 and the back side 12 of the ventilation mask 2 are coated with lubricant or mucilage with surface anesthesia function.
3. After general anesthesia induction, the oral cavity is opened by pressing down the jaw or lifting the chin, the laryngeal mask with sufficient surface lubrication is held by hands, the back of the ventilation mask 2 is gently pushed down by clinging to the central axis of the throat wall until the resistance is suddenly increased and the pushing down operation cannot be continued, and the pushing down operation is stopped.
4. It is judged whether or not the ventilation hood 2 is air-leaked.
The rear end connector of the laryngeal mask breather pipe 1 is connected with a breathing loop of an anesthesia machine, manual breathing is carried out, and whether the laryngeal mask leaks air obviously or not is judged by experience. The ventilation mode of the anesthesia machine is switched to be a positive pressure ventilation mode, and whether the ventilation hood 2 leaks air or not is judged by listening air leakage sound when ears are close to the oropharynx part or judging whether the laryngeal mask leaks air or not according to respiration monitoring indexes of the anesthesia machine.
5. If the laryngeal mask is judged to have no air leakage, the standby air bag 22 does not need to be inflated; if the air leakage of the laryngeal mask is judged to be obvious, the main gasbag 21 can be injected with the pressure in the gasbag lower than 20cmH 2 And O. If the pressure gauge shows that the pressure has reached 20cmH 2 O, the gas leakage blockage is not ideal, the spare air bag 22 can be inflated through the spare air injection pipeline 32, the air injection quantity is 5-20 ml, and the pressure is not higher than 25cmH 2 O, inflating the backup airbag 22 to close the air leak point.
6. After the treatment is finished, the negative pressure aspirator is used for sucking out the foreign matters such as oral and pharyngeal cavity sputum, secretion and the like, the air in the air bag of the standby air bag 22 is pumped out, and the pressure in the air bag is reduced to 0; the main air bag 21 is pumped down, and the pressure in the air bag is reduced to 10-15 cmH 2 And O, removing the laryngeal mask.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixedly connected and detachably connected, or integrally formed; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, a number of specific details are described. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the scope of the claims and description of the present invention.
Claims (10)
1. An overlapping inflatable bag laryngeal mask, comprising a vent pipe, an inflatable cover and an air injection pipeline, wherein the inflatable cover is arranged at the front end of the vent pipe, the air injection pipeline is communicated with the inflatable cover, the overlapping inflatable bag laryngeal mask is characterized in that the inflatable cover comprises a main airbag and a standby airbag, the main airbag is arranged at the front end of the vent pipe, and the standby airbag covers the main airbag in an overlapping manner; the gas injection pipeline comprises a main gas injection pipeline and a standby gas injection pipeline, one end of the main gas injection pipeline is communicated with the main airbag, one end of the standby gas injection pipeline is communicated with the standby airbag, the main gas injection pipeline and the standby gas injection pipeline are arranged along the pipe wall of the vent pipe, and the other end of the main gas injection pipeline is close to the rear end of the vent pipe and penetrates out.
2. The overlapping balloon laryngeal mask of claim 1, wherein the other end of the main and backup insufflation line are each fitted with a balloon pressure gauge.
3. The overlapping inflatable cuff laryngeal mask of claim 1, wherein the backup airbag is C-shaped disposed along an anterior side of the primary airbag.
4. The overlapping inflatable cuff laryngeal mask of claim 1, wherein one end of the backup insufflation line passes through the primary airbag and communicates with the backup airbag.
5. The overlapping airbag laryngeal mask of claim 1, wherein the airway tube front end is curved towards the airway mask at an angle of 25-42 °.
6. The overlapping balloon laryngeal mask of claim 1, wherein the primary balloon is made of silicone and has a thickness of 0.5 mm to 1.5 mm.
7. The overlapping airbag laryngeal mask of claim 1, wherein the backup airbag is a waterborne polyurethane material, 0.01-0.12 mm thick and 6-12 mm wide.
8. The overlapping airbag laryngeal mask of claim 1, wherein the front side of the snorkel insertion section is a smooth concave cambered surface with a curvature of 10-12 °.
9. The overlapping balloon laryngeal mask of claim 1, wherein the rear side of the snorkel insertion section is of a convex cambered surface configuration with a curvature of 15-17 °.
10. The overlapping airbag laryngeal mask of claim 9, wherein the ventilation mask is angled 38 ° ± 10 ° from the ventilation tube rearward end axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220837622.XU CN217339686U (en) | 2022-04-12 | 2022-04-12 | Overlapping inflatable bag laryngeal mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220837622.XU CN217339686U (en) | 2022-04-12 | 2022-04-12 | Overlapping inflatable bag laryngeal mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217339686U true CN217339686U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220837622.XU Active CN217339686U (en) | 2022-04-12 | 2022-04-12 | Overlapping inflatable bag laryngeal mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217339686U (en) |
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2022
- 2022-04-12 CN CN202220837622.XU patent/CN217339686U/en active Active
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