CN215822021U

CN215822021U - Inflation-free laryngeal mask with tongue plate supporting structure

Info

Publication number: CN215822021U
Application number: CN202121567109.5U
Authority: CN
Inventors: 侍明春; 何栋
Original assignee: Wuxi Kanglai Medical Technology Co ltd
Current assignee: Wuxi Kanglai Medical Technology Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-02-15
Anticipated expiration: 2031-07-09

Abstract

The utility model relates to the technical field of laryngeal masks, in particular to an inflation-free laryngeal mask with a tongue plate supporting structure. The novel endoscope comprises a main ventilation pipe, wherein a main ventilation pipe is arranged in the main ventilation pipe along the length direction of a pipe body, a main drainage channel and an endoscope pipe are arranged on the left side and the right side of the main ventilation pipe side by side, the two ends of the main ventilation pipe are respectively provided with an air inlet end and an air outlet end, the air outlet end of the main ventilation pipe is connected with a tongue plate, a cover bag is coated on the outer surface of the tongue plate and comprises a solid part and an inflating part which are connected into a whole from top to bottom, the solid part is glued on the upper end surface of the tongue plate and completely coats the upper end surface of the tongue plate, and the inflating part is attached to the lower end surface of the tongue plate and completely coats the lower end surface of the tongue plate. The tongue plate provided by the utility model has a supporting effect on the mask bag, the insertion strength of the mask bag is increased, and the problem that the mask bag is easy to bend when being inserted is effectively solved.

Description

Inflation-free laryngeal mask with tongue plate supporting structure

Technical Field

The utility model relates to the technical field of laryngeal masks, in particular to an inflation-free laryngeal mask with a tongue plate supporting structure.

Background

Laryngeal mask airway devices are known devices for establishing an airway in an unconscious patient. The inflation-free laryngeal mask on the market at present is mainly divided into the following types according to different working principles:

1. the solid mask sac type laryngeal mask is a closed cavity formed by sealing tissues around a glottis through the solid mask sac, the head end of a sac body of the solid mask sac type laryngeal mask is inserted into an esophagus for sealing, but the mask sac is a solid body, so that the deformation space of the mask sac is extremely small, and the sealing requirements of different patients cannot be met;

2. the open thin-wall mask bag type laryngeal mask is in contact with physiological tissues through the supporting bag body and keeps sealed, the mask bag is often internally provided with hygroscopic materials, and the bag body is thin-wall, so that the retention force between the bag body and the tissues during positive pressure ventilation is weaker than that of an inflatable and solid mask bag.

The laryngeal mask is in the use, the stomach content phenomenon of backflowing appears easily, and the laryngeal mask of exempting from to aerify of above several kinds of structures to the patient of different physiology structures, can't 100% guarantee effectively to seal up the esophagus, and the palirrhea liquid probably gets into upper respiratory track, for example: the oral cavity and the nasal cavity damage mucous membranes, cause other complications and damage the health of patients.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the application provides the inflation-free laryngeal mask with the tongue plate supporting structure, the tongue plate supports the mask bag, the insertion strength of the mask bag is increased, and the problem that the mask bag is easy to bend when being inserted is effectively solved; simultaneously, the cover bag is sealed through entity portion realization throat at ordinary times, when the malleation is ventilated and is leaked gas or when the palirrhea condition of stomach appears, the formation swell is aerifyd to cover bag gas filled portion for it is sealed to adjust the throat, keeps apart alimentary canal and respiratory track, has guaranteed the sealed effect of laryngeal mask.

The technical scheme adopted by the utility model is as follows:

the inflation-free laryngeal mask with the tongue plate supporting structure comprises a main ventilation pipe, wherein a main ventilation pipe is arranged in the main ventilation pipe along the length direction of a pipe body, a main drainage channel and a speculum tube are arranged on the left side and the right side of the main ventilation pipe side by side, the two ends of the main ventilation pipe are respectively an air inlet end and an air outlet end, the air outlet end of the main ventilation pipe is connected with a tongue plate, a mask bag is coated on the outer surface of the tongue plate and comprises a solid part and an inflation part which are connected into a whole up and down, the solid part is glued on the upper end surface of the tongue plate and completely coats the upper end surface of the tongue plate, and the inflation part is attached to the lower end surface of the tongue plate and completely coats the lower end surface of the tongue plate; the tongue plate is provided with an esophagus drainage tube which penetrates through the front and the back, the front end of the mask sac is provided with a drainage port, the inlet end of the esophagus drainage tube is connected with the outlet end of the main drainage channel, the outlet end of the esophagus drainage tube extends out of the mask sac, and the outer side wall of the outlet end of the esophagus drainage tube and the inner side wall of the drainage port are glued; the tongue plate is provided with a ventilation cavity which is communicated up and down, the air inlet end of the ventilation cavity is communicated with the air outlet end of the main ventilation pipe, the side wall of the tongue plate is provided with a speculum cavity, one end of the speculum cavity is communicated with the ventilation cavity, and the other end of the speculum cavity is communicated with the speculum tube.

Furthermore, the air inlet end of the main ventilation pipe is connected with a pipe joint.

Furthermore, the tongue plate and the main ventilation pipe are integrally formed.

Furthermore, the upper end face of the tongue plate is sequentially provided with a first supporting end face and a second supporting end face from front to back, and a certain included angle is formed between the first supporting end face and the second supporting end face.

Furthermore, the rear end of the upper end face of the tongue plate is provided with a positioning end face which protrudes obliquely upwards, and the rear end face of the solid part of the cover bag is connected to the rear end face of the positioning end face in a supporting manner.

Furthermore, a transition pipe is arranged at one end of the main ventilating pipe connecting tongue plate, and the diameter of the transition pipe is increased from one end of the connecting tongue plate to the other end of the connecting tongue plate.

Furthermore, one end of the transition pipe connecting tongue plate is provided with a first protruding positioning rib, the rear end of the mask bag is connected to the side face of the first positioning rib in a positioning mode, and one end of the transition pipe connecting ventilation main pipe is provided with a second protruding positioning rib.

Furthermore, an inflation hole is formed in the lower end face of the tongue plate, an air inlet of the inflation hole is connected with an inflation tube of the mask bag, and an air outlet of the inflation hole is communicated with an inner cavity of an inflation part of the mask bag.

Furthermore, the air inflation tube of the mask bag penetrates through an air tube hole formed in the mask bag and is connected with an air inlet of the air inflation hole, and the air inflation tube of the mask bag is glued and fixed with the side wall of the air tube hole formed in the mask bag.

The utility model has the following beneficial effects:

the endoscope tube and the drainage tube are combined and arranged in the laryngeal mask ventilation pipeline, so that the complexity of suction and inflation operation in the intubation stage is reduced, an additional cavity for visual operation is provided, the pain of a patient is reduced, and an operator is protected from being infected by the patient; the tongue plate has a supporting effect on the cover bag, the insertion strength of the cover bag is increased, and the problem that the cover bag is easy to bend when being inserted is effectively solved; the cover bag is made of flexible materials, so that the damage to human tissue mucosa can be reduced; the cover bag realizes throat through entity portion at ordinary times and seals, when the malleation is ventilated and is leaked gas or when the palirrhea condition of stomach appears, the formation swell is aerifyd to cover bag gas filled portion for it is sealed to adjust throat, keeps apart alimentary canal and respiratory track, has guaranteed the sealed effect of laryngeal mask.

Drawings

FIG. 1 is a perspective view of a first perspective of the present invention.

FIG. 2 is a perspective view of the present invention from a second perspective.

FIG. 3 is a diagram of the construction of the removable mask bladder of the present invention.

Fig. 4 is a structural view of the tongue plate of the utility model.

Fig. 5 is a diagram of the mask bladder of the present invention.

Wherein: 1. a main ventilation pipe; 2. a tongue plate; 2.1, a first supporting end face; 2.2, a second supporting end face; 2.3, positioning the end face; 3. a covering bag; 3.1, solid part; 3.2, an inflation part; 4. a pipe joint; 5. a mask air-filling tube; 6. an inflation hole; 7. a transition duct; 7.1, a first positioning rib; 7.2, second positioning ribs; 8. an esophageal drainage tube; 9. a drainage opening; 10. a primary airway; 11. a main drainage duct; 12. a speculum tube; 13. a vent lumen.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and fig. 2, the embodiment mainly includes a main ventilation pipe 1, two ends of the main ventilation pipe 1 are respectively an air inlet end and an air outlet end, the air inlet end of the main ventilation pipe 1 is connected with a pipe joint 4, the air outlet end of the main ventilation pipe 1 is connected with a tongue plate 2, and the tongue plate 2 and the main ventilation pipe 1 are integrally formed.

In the embodiment shown in fig. 1 and 2, a main vent pipe 10 is provided in the main vent pipe 1 along the length direction of the pipe body, and a main drainage duct 11 and a sight glass pipe 12 are provided side by side on the left and right sides of the main vent pipe 10.

In the embodiment shown in fig. 1 and 2, the outer surface of the tongue plate 2 is covered with the covering bag 3, the tongue plate 2 supports the covering bag 3, the insertion strength of the covering bag 3 is increased, and the problem that the covering bag 3 is easy to bend when being inserted is effectively solved. The cover bag 3 is made of flexible materials, such as silica gel, TPU, TPE and PU, has good biocompatibility and good compatibility with human tissues, and can reduce the damage to the mucosa of the human tissues.

In the embodiment shown in fig. 5, the covering bag 3 comprises a solid part 3.1 and an inflatable part 3.2 which are connected into a whole up and down, the solid part 3.1 is glued on the upper end face of the tongue plate 2 and completely covers the upper end face of the tongue plate 2, and the inflatable part 3.2 is attached on the lower end face of the tongue plate 2 and completely covers the lower end face of the tongue plate 2. In normal use, generally through the solid portion 3.1 realize the throat is sealed, when the positive pressure ventilation leaks gas or when the stomach reflux condition appears, inflate gas filled portion 3.2 for adjust the throat and seal, keep apart alimentary canal and respiratory.

In the embodiment shown in fig. 4, the upper end surface of the tongue plate 2 is provided with a first supporting end surface 2.1 and a second supporting end surface 2.2 in sequence from front to back, and a certain included angle is formed between the first supporting end surface 2.1 and the second supporting end surface 2.2, so that the solid part 3.1 arranged on the upper end surface of the tongue plate 2 forms a curved surface capable of being attached to the throat.

In order to realize the positioning connection of the casing 3 on the tongue plate 2, in the embodiment shown in fig. 4, the rear end of the upper end surface of the tongue plate 2 is provided with a positioning end surface 2.3 which protrudes obliquely upwards, and the rear end surface of the solid part 3.1 of the casing 3 is in supporting connection with the rear end surface of the positioning end surface 2.3.

In order to realize the positioning connection of the mask sac 3 on the main vent pipe 1, in the embodiment shown in fig. 2 and 4, the main vent pipe 1 is provided with a transition pipe 7 at one end connected with the tongue plate 2, and the diameter of the transition pipe 7 is increased from one end connected with the tongue plate 2 to the other end.

In the embodiment shown in fig. 2 and 4, a first protruding positioning rib 7.1 is arranged at one end of the transition tube 7 connected with the tongue plate 2, the rear end of the mask bag 3 is positioned and connected to the side surface of the first positioning rib 7.1, and a second protruding positioning rib 7.2 is arranged at one end of the transition tube 7 connected with the main ventilation tube 1.

In order to inflate the inflatable part 3.2, in the embodiment shown in fig. 3 and 4, an inflation hole 6 is arranged on the lower end surface of the tongue plate 2, the air inlet of the inflation hole 6 is connected with the mask airbag inflation tube 5, and the air outlet of the inflation hole 6 is communicated with the inner cavity of the inflatable part 3.2 of the mask airbag 3. The mask sac inflating tube 5 passes through an air pipe hole arranged on the mask sac 3 and is connected with an air inlet of the inflating hole 6, and the mask sac inflating tube 5 and the side wall of the air pipe hole arranged on the mask sac 3 are glued and fixed. When in use, the external air supply device inflates the inflating part 3.2 of the mask sac 3 through the mask sac inflating tube 5 and the inflating hole 6, and the size of the inflating part 3.2 is adjusted, so that the mask sac 3 can seal the whole throat.

In the embodiment shown in fig. 4 and 5, the tongue plate 2 is provided with an esophagus drainage tube 8 which penetrates through the front and back, the front end of the mask sac 3 is provided with a drainage port 9, the inlet end of the esophagus drainage tube 8 is connected with the outlet end of the main drainage channel 11, the outlet end of the esophagus drainage tube 8 extends out of the mask sac 3, and the outer side wall of the outlet end of the esophagus drainage tube 8 is glued with the inner side wall of the drainage port 9.

In the embodiment shown in fig. 3 and 4, the tongue plate 2 is provided with a ventilation cavity 13 which is communicated up and down, the outer surface of the tongue plate 2 is covered with the mask bag 3, and the air inlet end of the ventilation cavity 13 is communicated with the air outlet end of the main ventilation pipe 10. The side wall of the tongue plate 2 is provided with a speculum cavity, one end of the speculum cavity is communicated with the ventilation cavity 13, and the other end of the speculum cavity is communicated with the speculum tube 12.

The endoscope tube 12 and the drainage tube are combined and arranged in the laryngeal mask ventilation pipeline, so that the complexity of suction and inflation operation in the intubation stage is reduced, an additional cavity for visual operation is provided, the pain of a patient is reduced, and an operator is protected from being infected by the patient. The cover bag 3 is made of flexible materials, and can reduce the damage to human tissue mucosa.

The above description is intended to illustrate the present invention and not to limit the present invention, which is defined by the scope of the claims, and may be modified in any manner within the scope of the present invention.

Claims

1. The utility model provides a take hyoplastron bearing structure's inflation free laryngeal mask, is including the person in charge (1) of ventilating, the person in charge (1) of ventilating sets up main breather pipe (10) along body length direction, and main breather pipe (10) left and right sides sets up main drainage way (11) and sight glass pipe (12) side by side, and the person in charge (1) both ends of ventilating are the inlet end respectively and give vent to anger the end, its characterized in that: the air outlet end of the main ventilation pipe (1) is connected with the tongue plate (2), the outer surface of the tongue plate (2) is coated with a cover bag (3), the cover bag (3) comprises a solid part (3.1) and an inflating part (3.2) which are connected into a whole up and down, the solid part (3.1) is glued on the upper end surface of the tongue plate (2) and completely coats the upper end surface of the tongue plate (2), and the inflating part (3.2) is attached to the lower end surface of the tongue plate (2) and completely coats the lower end surface of the tongue plate (2); an esophagus drainage tube (8) which penetrates through the front and the back is arranged on the tongue plate (2), a drainage port (9) is arranged at the front end of the mask sac (3), the inlet end of the esophagus drainage tube (8) is connected with the outlet end of the main drainage channel (11), the outlet end of the esophagus drainage tube (8) extends out of the mask sac (3), and the outer side wall of the outlet end of the esophagus drainage tube (8) is glued and fixed with the inner side wall of the drainage port (9); the endoscope is characterized in that a ventilation cavity (13) which is through up and down is formed in the tongue plate (2), the air inlet end of the ventilation cavity (13) is communicated with the air outlet end of the main ventilation pipe (10), the side wall of the tongue plate (2) is provided with an endoscope cavity, one end of the endoscope cavity is communicated with the ventilation cavity (13), and the other end of the endoscope cavity is communicated with the endoscope pipe (12).

2. A mask as claimed in claim 1, wherein the mask comprises: the air inlet end of the main ventilation pipe (1) is connected with a pipe joint (4).

3. A mask as claimed in claim 1, wherein the mask comprises: the tongue plate (2) and the main ventilation pipe (1) are integrally formed.

4. A mask as claimed in claim 1 or claim 3, wherein the mask comprises: the upper end face of the tongue plate (2) is sequentially provided with a first supporting end face (2.1) and a second supporting end face (2.2) from front to back, and a certain included angle is formed between the first supporting end face (2.1) and the second supporting end face (2.2).

5. A mask according to claim 4, wherein the mask comprises: the rear end of the upper end face of the tongue plate (2) is provided with a positioning end face (2.3) which protrudes upwards in an inclined way, and the rear end face of the solid part (3.1) of the cover bag (3) is supported and connected on the rear end face of the positioning end face (2.3).

6. A mask as claimed in claim 1, wherein the mask comprises: one end of the main ventilation pipe (1) connected with the tongue plate (2) is provided with a transition pipe (7), and the diameter of the transition pipe (7) is increased from one end of the tongue plate (2) to the other end.

7. A mask according to claim 6, wherein the mask comprises: one end of the transition pipe (7) connected with the tongue plate (2) is provided with a convex first positioning rib (7.1), the rear end of the mask bag (3) is positioned and connected on the side surface of the first positioning rib (7.1), and one end of the transition pipe (7) connected with the ventilation main pipe (1) is provided with a convex second positioning rib (7.2).

8. A mask as claimed in claim 1, wherein the mask comprises: an inflation hole (6) is formed in the lower end face of the tongue plate (2), an air inlet of the inflation hole (6) is connected with an inflation tube (5) of the mask bag, and an air outlet of the inflation hole (6) is communicated with an inner cavity of an inflation part (3.2) of the mask bag (3).

9. A mask according to claim 8, wherein the mask comprises: the mask sac inflating tube (5) penetrates through an air pipe hole formed in the mask sac (3) to be connected with an air inlet of the inflating hole (6), and the mask sac inflating tube (5) and the side wall of the air pipe hole formed in the mask sac (3) are glued and fixed.