CN213252192U - Single-cavity pre-bent type acoustic door cover air duct - Google Patents

Abstract

The utility model discloses a single-cavity pre-bending type acoustic door cover air duct, which comprises a non-inflatable and gel cup arranged on a cup seat, a single-cavity air duct connected with the cup seat and a conical tip of the cup; the single-cavity vent pipe is communicated with a cavity in the middle of the cup through the cup covering seat; the single-cavity vent pipe is a hard rubber guide pipe and is formed by prebending at the middle position, the front half section is in an arc shape from the middle position to the cup seat of the connecting cover, and the rear half section is a straight pipe; the single chamber vent tube has a degree of curvature between 100 degrees and 135 degrees. The utility model sets the vent pipe as a single-cavity vent pipe of hard rubber, and pre-bending and forming are carried out at the middle position, the front half section is arc-shaped, and the rear half section is a straight pipe; the design structure is suitable for the bending degree of the throat cavity of a person, has comfortable operation performance and is fast and convenient to use.

Description

Single-cavity pre-bent type acoustic door cover air duct

Technical Field

The utility model belongs to the field of medical equipment, especially an use single chamber preflex type breather at throat.

Background

The main breather pipe channel equipped in the existing inflation-free soft rubber laryngeal mask is usually a soft rubber conduit, and can be bent according to different body positions of patients when in use; but the ventilation pipe is easy to be bent excessively during actual clinical operation, so that the ventilation pipe is pressed, and the ventilation effect is influenced;

if a hard rubber catheter is used, the existing design is that a bend (about 90 degrees) is arranged at the front section of a main breather pipe, and the two sides of the bend are straight pipes, so that the operation is inconvenient when the laryngeal mask is inserted into the laryngeal cavity, the tightness is affected, and the mucous membrane of the laryngeal cavity can be damaged due to long insertion time.

Disclosure of Invention

In view of this, the utility model provides a single chamber pre-bending type sound door casing air duct guarantees good leakproofness and comfortable operating performance, uses swiftly conveniently.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a single-cavity pre-bending type acoustic door cover air duct comprises an inflation-free and gel-free cup arranged on a cup seat and a single-cavity air pipe connected with the cup seat, wherein the single-cavity air pipe is communicated with a cavity in the middle of the cup through the cup seat;

the single-cavity vent pipe is a hard rubber guide pipe and is formed by prebending at the middle position, the front half section is in an arc shape from the middle position to the cup seat of the connecting cover, and the rear half section is a straight pipe; the single chamber vent tube has a degree of curvature between 100 degrees and 135 degrees.

The cup is matched with the anatomical structure of the laryngeal inlet of a human body, and the laryngeal mask is covered in the cup to serve as a sealing protection structure when in use;

the joint of the cup cover seat and the single-cavity vent pipe is provided with a tongue root seat which is raised, extends towards two sides and corresponds to the tongue root position.

Preferably, the single chamber vent tube has a degree of curvature between 110 degrees and 120 degrees.

More preferably, the single chamber vent tube has a degree of curvature between 111 degrees and 115 degrees.

Furthermore, a sealing ring is arranged at the edge of the cup to seal an included angle between the laryngeal inlet and the pharyngeal wall, and the cup serves as a second secondary sealing protection structure.

Furthermore, the sealing ring is arranged at the highest peak of the inner edge of the cup and can be embedded into an included angle between the laryngeal inlet and the pharyngeal wall.

Further, the extension width of the tongue base seat does not exceed the width of the cup covering seat.

Furthermore, an epiglottis support is arranged in the cup corresponding to the epiglottis, and the epiglottis is attached to the position of the epiglottis support and is always kept in an open state; the epiglottis holds the epiglottis, preventing the epiglottis from blocking the airway due to the reverse folding of the airflow.

Further, the top of the cup is a conical tip.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model sets the vent pipe as a single-cavity vent pipe of hard rubber, and pre-bending and forming are carried out at the middle position, the front half section is arc-shaped, and the rear half section is a straight pipe; the design structure is adaptive to the bending degree of the human laryngeal cavity, has comfortable operation performance and is fast and convenient to use;

(2) the utility model designs a cup shape which is completely inosculated with the tissue structure around the laryngeal inlet, and adopts soft gel material to produce a cup which is inosculated with the anatomical structure around the laryngeal inlet, and simultaneously, a sealing ring is additionally arranged at the deepest part of the contact between the edge of the cup and the tissue around the laryngeal inlet, namely the highest peak of the inner edge of the cup, so that the tissue around the laryngeal inlet tightly wraps the edge of the cup, the air leakage phenomenon is avoided to the utmost extent, and the sealing performance of the utility model is ensured when in use;

(3) the utility model adopts soft inflation-free cup material, which can not cause damage to throat when being placed, and the cup does not need to be inflated after being placed, thereby avoiding the oppression of inflation pressure on peripheral nerves and tissues to reduce the occurrence of postoperative complications;

(4) the utility model discloses according to the dynamic research of epiglottis position when ventilating to patient, the laryngeal inlet portion cup of design covers "epiglottis" in the cup completely. In order to prevent the phenomenon that the epiglottis blocks the airway and influences the smoothness of the airway even the obstruction of the airway caused by the 'retroversion' of the epiglottis under the action of the ventilation airflow during ventilation, the utility model designs an epiglottis support, the epiglottis support can be attached to the position of the epiglottis support by the design of the epiglottis support, the epiglottis is kept in an open state, and the retroversion of the epiglottis caused by the airflow is avoided;

(5) under the general anesthesia state, the tongue body becomes abnormally soft and is paralyzed towards the direction of the tongue root, the utility model skillfully utilizes the point, a transversely extending platform is designed at the position of the tongue root to attach the soft tongue root, the physical stability of the utility model is increased when in use, and the operation is more convenient;

(6) the utility model discloses the cup adopts the design of toper pointed end, and on the one hand blocks up food and says the mouth more easily, and on the other hand down inserts the throat more easily, right the utility model discloses an it is more convenient to use.

Drawings

Fig. 1 is a schematic structural view of a side view of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a front direction view of an embodiment of the present invention.

Wherein "

1. A cup covering base; 2. a single-cavity vent pipe; 3. a first half section; 4. the second half section; 5. a seal ring;

6. a tongue base; 7. an epiglottis support; 8. a degree of curvature; 9. cups; 10. a tapered tip.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

In the description of the present invention, when a component is referred to as being "secured" to another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present.

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

The utility model relates to a arrange in on the glottis with the form of cup, consequently name the glottis cover air duct, GMA for short. (Glottis Mask air-GMA).

The main material of the utility model is Thermoplastic Elastomer (TPE), also known as Thermoplastic rubber, commonly called as Elastomer. The TPE has the same plasticity as rubber, has the elasticity and shape memory of vulcanized rubber, is environment-friendly, halogen-free, nontoxic and tasteless, and does not contain compounds such as plastic softener, phosphate, heavy metal and the like. The material is superior to the materials of latex and silica gel commonly used in laryngeal masks in the market at present, can provide the same softness as the tissues of the laryngeal opening, reduces the oppression on the laryngeal part of a patient and reduces the occurrence of postoperative throat pain. The material has certain plasticity, can perfectly wrap the throat and avoid air leakage.

The utility model discloses a reading a large amount of clinical documents at home and abroad, constantly studying the organizational structure around the laryngeal inlet on autopsy, through repeated clinical experiment, it has following characteristics to discover the laryngeal inlet:

(1) fixing the position;

(2) the opening is surrounded by cartilage;

(3) soft tissues are distributed around the cartilage.

Aiming at the research findings, the utility model designs a single-cavity pre-bending type acoustic door cover air duct, as shown in figures 1 and 2, which comprises a non-inflatable and gel cup 9 arranged on a cover cup seat 1 and a single-cavity air duct 2 connected with the cover cup seat 1, wherein the single-cavity air duct 2 is communicated with a cavity between the cup 9 through the cover cup seat 1; the top of the cup 9 is designed to be a conical tip 10, the single-cavity vent pipe 2 is a hard rubber guide pipe and is pre-bent and molded at the middle position, the front half section 3 is arc-shaped from the middle position to the position connected with the cup holder 1, and the rear half section 4 is a straight pipe; the cup 9 is matched with the anatomical structure of the laryngeal inlet of a human body, and the laryngeal mask is covered in the cup 9 to serve as a sealing protection structure when in use; the mouth of the cup cover seat 1 and the single-cavity vent pipe 2 is provided with a tongue root seat 6 which is convex, extends towards two sides and corresponds to the tongue root position, and the extension width of the tongue root seat 6 is not more than the width of the cup cover seat 1. The edge of the cup 9 is provided with a sealing ring 5, the sealing ring 5 is arranged at the highest peak of the inner edge of the cup 9 and can be embedded into an included angle between the laryngeal inlet and the pharyngeal wall for sealing the included angle between the laryngeal inlet and the pharyngeal wall as a secondary sealing protection structure. An epiglottis holder 7 is arranged in the cup 9 corresponding to the epiglottis, and the epiglottis is attached to the position of the epiglottis holder 7 and is always kept in an open state; the epiglottis support 7 supports the epiglottis to prevent the epiglottis from being reversely folded by the airflow to block the airway.

The utility model discloses in, the crookedness 8 of single chamber breather pipe is shown in figure 1, indicates the contained angle of 4 straight tubes of the latter half of single chamber breather pipe 2 and cover cup seat, can set up between 100 degrees and 135 degrees, and the preferred crookedness 8 that can set up between 110 degrees and 120 degrees, more preferred can set up crookedness 8 between 111 degrees and 115 degrees.

The utility model discloses when clinical use, because first half 3 is the arc, contained angle between second half 4 and the cup seat 1 is crookedness 8 setting as above preferred scope, the whole crooked shape suits with the laryngeal cavity camber of disease, can not bring hindrance or uncomfortable during the operation, the most advanced 10 aspect of toper that cup 9 was equipped with blocks up the food and says the mouth more easily, on the other hand down inserts the throat more easily, insert the laryngeal opening portion of back cup 9 cover disease, sealing washer 5 seals the contained angle of laryngeal opening and pharyngeal wall, play multiple sealing effect, the epiglottis of disease is held in the support of epiglottis 7, the soft tongue root of full anesthesia back is attached to on tongue root seat 6, the overall operation is convenient, improve the travelling comfort of operation.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A single-cavity pre-bending type acoustic door cover air duct is characterized by comprising an inflation-free and gel-free cup arranged on a cover cup seat and a single-cavity air duct connected with the cover cup seat, wherein the single-cavity air duct is communicated with a cavity in the middle of the cup through the cover cup seat;

the single-cavity vent pipe is a hard rubber guide pipe and is formed by prebending at the middle position, the front half section is in an arc shape from the middle position to the cup seat of the connecting cover, and the rear half section is a straight pipe; the single chamber vent tube has a curvature between 100 degrees and 135 degrees;

the cup is matched with the anatomical structure of the laryngeal inlet of the human body;

the joint of the cup cover seat and the single-cavity vent pipe is provided with a tongue root seat which is raised, extends towards two sides and corresponds to the tongue root position.

2. The single chamber pre-curved type of tonneau cover airway as claimed in claim 1, wherein the degree of curvature of the single chamber snorkel is between 110 degrees and 120 degrees.

3. A single chamber pre-curved type of tonneau cover airway as claimed in claim 1 or claim 2, wherein the degree of curvature of the single chamber snorkel is between 111 and 115 degrees.

4. The single-cavity pre-bent type acoustic door mask airway as claimed in claim 1, wherein the edge of the cup is provided with a sealing ring to close the angle between the laryngeal inlet and the pharyngeal wall.

5. The single-cavity pre-bent type acoustic door mask airway as claimed in claim 4, wherein the sealing ring is arranged at the highest peak of the inner edge of the cup and can be embedded into the included angle between the laryngeal inlet and the pharyngeal wall.

6. The single-cavity pre-curved sound door mask airway as claimed in claim 1, wherein the tongue base seat extends no further than the width of the mask cup seat.

7. The single-chamber pre-curved type glottic mask airway as claimed in claim 1, wherein an epiglottis holder is provided in the cup corresponding to the epiglottis, and the epiglottis is attached to the epiglottis holder and kept in an open state.

8. The single-cavity pre-curved acoustic door covering airway as claimed in claim 1, wherein the top of the cup is tapered.

Images