CN213884619U

CN213884619U - Laryngeal mask structure

Info

Publication number: CN213884619U
Application number: CN202022009245.4U
Authority: CN
Inventors: 夏承强; 刁玉刚; 邢东明
Original assignee: Shandong Weigao Group Medical Polymer Co Ltd
Current assignee: Shandong Weigao Group Medical Polymer Co Ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-08-06
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a laryngeal mask structure, which comprises a laryngeal mask inserting tube, a mask sac arranged at the front end of the laryngeal mask inserting tube, a joint arranged at the rear end of the laryngeal mask inserting tube and an inflation tube communicated with the inner cavity of the mask sac, wherein the laryngeal mask inserting tube is provided with a groove for embedding and fixing the inflation tube, and the groove extends to the inner cavity of the mask sac; be provided with on the joint and wear the subassembly, wear the subassembly including setting up in couple and the elastic fixation area that connects both sides, be provided with the locking hole of interval arrangement on the elastic fixation area, the locking hole is used for the articulate on the couple. According to the laryngeal mask structure, the inflation tube is embedded and fixed in the groove of the laryngeal mask intubation tube, so that the inflation tube, the mask sac and the laryngeal mask intubation tube are combined into a whole, the composition process is simple, and the intubation operation of a doctor is facilitated; the patient is not easy to bite after the intubation, so that potential safety hazards are avoided; in addition, the elastic fixing band with the locking hole is hooked with the hook on the joint, so that tightness adjustment can be performed, and the operation is convenient.

Description

Laryngeal mask structure

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a laryngeal mask structure.

Background

The laryngeal mask is a supraglottic ventilation device used in the operation process and consists of a laryngeal mask intubation tube, an inflatable mask sac, a joint, an inflation tube, an indicating air sac, a one-way valve and the like. When the laryngeal mask is used, the laryngeal mask is inserted into the throat part of a patient, the opening end of the laryngeal mask is opposite to the opening of a trachea, the inflatable mask sac is close to tissues around the glottis and occupies the swallowing space, and the inflated mask sac seals the periphery of the glottis to form a closed gas channel. Through the laryngeal mask, the patient can not only keep breathing autonomously, but also can carry out positive pressure ventilation.

The inflatable mask sac and the inflation tube are mainly connected by gluing through a convex joint arranged on the mask sac, and after the inflatable mask sac and the inflation tube are connected, the inflation tube and the laryngeal mask cannula are in a natural separation state. In the intubation process, a doctor needs to fold the inflation tube and the laryngeal mask intubation tube, so that the operation is inconvenient; moreover, the inflation tube may be clamped in the slit between the teeth of the patient and be bitten by the patient, so that the mask bag and the pressure indicating air bag are blocked, the inflation or pressure indication of the mask bag is affected, and the potential safety hazard is caused. In addition, in the existing laryngeal mask products, the laryngeal mask is fixed by using adhesive tapes clinically and is tightly adhered to two sides of the face of a patient, so that the laryngeal mask is prevented from moving or sliding out, the operation is inconvenient to adjust, and the workload of doctors is increased.

In summary, how to solve the problems of inconvenient operation and potential safety hazard when the laryngeal mask is used has become a technical problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a laryngeal mask structure to solve the inconvenient problem that has the potential safety hazard of operation when laryngeal mask uses.

In order to achieve the purpose, the utility model provides a laryngeal mask structure, which comprises a laryngeal mask insertion tube, a mask sac arranged at the front end of the laryngeal mask insertion tube, a joint arranged at the rear end of the laryngeal mask insertion tube and an inflation tube communicated with the inner cavity of the mask sac, wherein a groove for embedding and fixing the inflation tube is arranged on the laryngeal mask insertion tube, and the groove extends to the inner cavity of the mask sac; the connector is provided with a wearing assembly, the wearing assembly comprises hooks and elastic fixing bands, the hooks and the elastic fixing bands are arranged on two sides of the connector, locking holes are formed in the elastic fixing bands at intervals, and the locking holes are used for being hung on the hooks.

Preferably, the locking holes are arranged at equal intervals on the elastic fixing band.

Preferably, the distance between two adjacent locking holes is 5mm-15 mm.

Preferably, the cross section of the groove is an arc-shaped cross section, and the diameter of the arc-shaped cross section is matched with the outer diameter of the inflation tube.

Preferably, the depth of the groove is greater than the radius of the outer tube wall of the inflation tube and less than the diameter of the outer tube wall of the inflation tube.

Preferably, the gas-filled tube is bonded in the groove by an adhesive.

Preferably, the laryngeal mask cannula is provided with leather sleeves arranged at intervals, and the leather sleeves are used for fixing the inflation tube in the groove.

Preferably, the air inlet end of the inflation tube is separated from the laryngeal mask cannula, and the inlet end is sequentially connected with an indicating air bag and a one-way valve.

Compared with the introduction content of the background technology, the laryngeal mask structure comprises a laryngeal mask insertion tube, a mask sac arranged at the front end of the laryngeal mask insertion tube, a connector arranged at the rear end of the laryngeal mask insertion tube and an inflation tube communicated with the inner cavity of the mask sac, wherein a groove used for embedding and fixing the inflation tube is formed in the laryngeal mask insertion tube, and the groove extends to the inner cavity of the mask sac; be provided with on the joint and wear the subassembly, wear the subassembly including setting up in couple and the elastic fixation area that connects both sides, be provided with the locking hole of interval arrangement on the elastic fixation area, the locking hole is used for the articulate on the couple. In the actual application process, the inflation tube is embedded and fixed in the groove of the laryngeal mask intubation tube, and the groove extends to the inner cavity of the mask sac, so that the inflation tube, the mask sac and the laryngeal mask intubation tube are combined into a whole, the forming process is simple, and the intubation operation of a doctor is facilitated; moreover, as the inflation tube is embedded in the groove at the side part of the laryngeal mask intubation, the inflation tube is not easy to be occluded by a patient after intubation, thereby avoiding potential safety hazard; in addition, because the wearing assembly is arranged on two sides of the joint, the elastic fixing band with the locking hole is hooked with the hook on the joint, so that tightness adjustment can be performed, and the operation is convenient.

Drawings

Fig. 1 is a schematic view of a split structure of a laryngeal mask structure provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of the laryngeal mask structure provided in the embodiment of the present invention after assembly;

FIG. 3 is a schematic sectional view A-A of FIG. 2;

FIG. 4 is a schematic sectional view of FIG. 3 taken along line B-B;

fig. 5 is a schematic structural view of an elastic fixing band provided in an embodiment of the present invention.

In the above-described figures 1-5,

the laryngeal mask comprises a mask sac 1, a laryngeal mask cannula 2, an inflation tube 3, a connector 4, an indicating air bag 5, a one-way valve 6, an elastic fixing band 7, a groove 8, a hook 9 and a locking hole 10.

Detailed Description

The core of the utility model is to provide a laryngeal mask structure to solve the problems of inconvenient operation and potential safety hazard when the laryngeal mask is used.

In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-5, a laryngeal mask structure provided in an embodiment of the present invention includes a laryngeal mask cannula 2, a mask sac 1 disposed at a front end of the laryngeal mask cannula 2, a connector 4 disposed at a rear end of the laryngeal mask cannula 2, and an inflation tube 3 communicated with an inner cavity of the mask sac 1, a groove 8 for embedding and fixing the inflation tube 3 is disposed on a side portion of the laryngeal mask cannula 2, and the groove 8 extends to the inner cavity of the mask sac 1; connect to be provided with on 4 and wear the subassembly, wear the subassembly including setting up in couple 9 and the elastic fixation area 7 that connects 4 both sides, be provided with the locking hole 10 of interval arrangement on the elastic fixation area 7, locking hole 10 is used for the articulate on couple 9.

In the actual application process, the inflation tube is embedded and fixed in the groove of the laryngeal mask intubation tube, and the groove extends to the inner cavity of the mask sac, so that the inflation tube, the mask sac and the laryngeal mask intubation tube are combined into a whole, the forming process is simple, and the intubation operation of a doctor is facilitated; moreover, as the inflation tube is embedded in the groove at the side part of the laryngeal mask intubation, the inflation tube is not easy to be occluded by a patient after intubation, thereby avoiding potential safety hazard; in addition, because the wearing assembly is arranged on two sides of the joint, the elastic fixing band with the locking hole is hooked with the hook on the joint, so that tightness adjustment can be performed, and the operation is convenient.

In some specific embodiments, the locking holes 10 are arranged on the elastic fixing band 7 at equal intervals, and the locking holes 10 are changed to be hung on the hook 9, so that the tightness of the locking band can be adjusted by a clinician according to the body type of a patient. It should be understood that the above-mentioned manner of arranging the locking holes 10 at equal intervals is only a preferred example of the embodiment of the present invention, and in practical application, the manner of arranging the locking holes at unequal intervals may also be adopted. The specific number of the locking holes and the distance between two adjacent locking holes may be selected and configured according to actual requirements, for example, the distance between two adjacent locking holes 10 may be designed to be a value between 5mm and 15mm, which is not limited herein.

In some specific embodiments, the cross section of the groove 8 may be a circular arc cross section, and the diameter of the circular arc cross section is adapted to the outer diameter of the inflation tube 3. Through designing into the structural style of arc cross-section with the recess for the outer wall of gas tube is inseparabler with the cooperation of recess, makes the fixed of gas tube more firm then. It is understood that the above-mentioned groove structure with circular arc cross section is only a preferred example of the embodiment of the present invention, and in practical application, the groove with other cross section shapes, such as V-shaped groove, may also be designed.

It should be noted that, when the groove 8 is a groove with a circular arc cross section, the depth of the groove 8 is greater than the radius of the outer tube wall of the inflation tube 3 and is smaller than the diameter of the outer tube wall of the inflation tube 3. The design can make things convenient for the embedding of gas tube like this, can also avoid it directly to drop from the recess to certain constraint effect of gas tube air flue simultaneously.

In a further embodiment, the inflation tube 3 is bonded in the groove 8 by an adhesive, and may also be fixed in the groove by other means commonly used by those skilled in the art, for example, a leather sheath arranged at intervals is disposed on the laryngeal mask cannula 2, and the leather sheath is used to fix the inflation tube 3 in the groove 8.

In some more specific embodiments, generally, the inlet end of the inflation tube 3 is separated from the laryngeal mask cannula 2, and an indicator balloon 5 and a one-way valve 6 are connected to the inlet end in sequence. The air charging pipe 3 can only charge air through the one-way valve 6 to prevent backflow, and the pressure change of the air charging pipe can be conveniently observed through the indicating air bag 5.

The laryngeal mask structure provided by the invention is described in detail above. It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

It is also noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.

The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A laryngeal mask structure, characterized in that, comprising a laryngeal mask intubation (2), a cuff (1) arranged at the front end of the laryngeal mask intubation (2), a mask (1) arranged in the laryngeal mask intubation (2) ) a joint (4) at the rear end and an inflatable tube (3) communicating with the inner cavity of the cuff (1), a side part of the laryngeal mask intubation tube (2) is provided for embedding and fixing the inflatable The groove (8) of the tube (3), the groove (8) extends to the inner cavity of the cuff (1); the joint (4) is provided with a wearing component, and the wearing component comprises a The hooks (9) on both sides of the joint (4) and the elastic fixing belt (7), the elastic fixing belt (7) is provided with locking holes (10) arranged at intervals, and the locking holes (10) are used for hooked on the hook (9).

2 . The laryngeal mask structure according to claim 1 , wherein the locking holes ( 10 ) are arranged at equal intervals on the elastic fixing belt ( 7 ). 3 .

3. The laryngeal mask structure according to claim 2, characterized in that, the distance between two adjacent locking holes (10) is 5mm-15mm.

4. The laryngeal mask structure according to claim 1, wherein the cross section of the groove (8) is a circular arc section, and the diameter of the circular arc section is the same as that of the inflatable tube (3) to match the outer diameter.

5. The laryngeal mask structure according to claim 4, wherein the depth of the groove (8) is greater than the radius of the outer wall of the inflatable tube (3), and is smaller than the inflatable tube (3) the diameter of the outer tube wall.

6. The laryngeal mask structure according to claim 5, characterized in that, the inflatable tube (3) is bonded in the groove (8) by an adhesive.

7. The laryngeal mask structure according to claim 5, wherein the laryngeal mask intubation tube (2) is provided with leather sleeves arranged at intervals, and the leather sleeves are used to fix the inflatable tube (3) in the groove (8).

8. The laryngeal mask structure according to any one of claims 1-7, characterized in that the air inlet end of the inflation tube (3) is separated from the laryngeal mask cannula (2), and the air inlet end is The indicating air bag (5) and the one-way valve (6) are connected in sequence.