CN213432432U

CN213432432U - Non-bag type anaesthetic mask

Info

Publication number: CN213432432U
Application number: CN202021791473.5U
Authority: CN
Inventors: 鲍忆; 张建忠; 吉恒权
Original assignee: Zhejiang Sujia Medical Device Co ltd
Current assignee: Zhejiang Sujia Medical Device Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-06-15
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to a non-bag type anaesthetic mask. It has solved the not good problem of the anaesthetic mask laminating degree among the prior art. It includes the cover shell, the face guard shell upper end is equipped with the taper hole interface that is perpendicular setting with the face guard shell, and taper hole interface and the inside mutual intercommunication of face guard shell, face guard shell bottom circumference is equipped with seal assembly through mounting structure, and mounting structure circumference inboard is equipped with compresses tightly the subassembly, face guard shell circumference inboard is equipped with positioning mechanism, positioning mechanism and the fixing device circumference location of setting at taper hole interface circumference outer wall, and form the oxygen uptake cavity between face guard shell circumference inboard and the positioning mechanism up end, form sealed cavity between positioning mechanism and the laminating subassembly. The utility model has the advantages that: the fitting degree is good, and the leakage of oxygen is effectively prevented.

Description

Non-bag type anaesthetic mask

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to no bag type anaesthetic mask.

Background

In medical work, the anaesthetic mask is a common, rapid and effective way to establish the front part of the breathing passage in general anaesthesia, which is in contact with the face of a patient, but before operation, the anaesthetic mask air bag needs to be inflated to meet the effective fit of the air bag to the face and prevent air leakage. The existing breathing mask air inlet valves are arranged at the conversion joints, so that the safety factor is low, the risk of air leakage can occur at the conversion joints, downward slippage can easily occur when the traditional mask is worn, and the connection sealing performance between the wearing openings and the face is poor; moreover, because of the difference of the face shape of each person, the pressure in the air bag needs to be properly adjusted when the air bag is used, the treatment time is often prolonged due to more complicated operation, and the operation risk is artificially increased; in addition, with the great application of the technology, people also find that the quality problem of air bag leakage exists in the operation, serious air leakage is caused, extremely serious hypoxia is caused to patients to cause complications, the operation is inconvenient when the air bag is worn, the attaching degree is not good, and the situation of oxygen leakage is easy to occur.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent document discloses a sealed double-layer anti-slip respiratory mask [ cn201620446591.x ], which comprises a mask body, an air outlet, an oxygen supply tube interface, an inflation nozzle, an anti-slip edge, a buckle, a first elastic band and a second elastic band, wherein the mask body is provided with the air outlet, the center of the right side is provided with the oxygen supply tube interface, the periphery is provided with a ring of anti-slip edge, the bottom end is provided with the inflation nozzle, the first elastic band is connected with the mask body through the buckle, and the left side of the first elastic band is provided with the second elastic band.

Above-mentioned scheme has solved to a certain extent among the prior art anesthesia mask and has worn the easy problem that produces the displacement and the easy gas leakage that appears in joint department after, but this scheme still has a great deal of not enoughly, for example: the poor fit between the anaesthetic mask and the face easily causes oxygen leakage in the anaesthetic mask.

Disclosure of Invention

The utility model aims at the above problem, provide a no bag type anaesthetic mask that reasonable in design, laminating degree are good.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this no bag type anaesthetic mask, including the face guard shell, face guard shell upper end is equipped with the taper hole interface that is perpendicular setting with the face guard shell, and taper hole interface and the inside mutual intercommunication of face guard shell, face guard shell bottom circumference is equipped with seal assembly through mounting structure, and mounting structure circumference inboard is equipped with compresses tightly the subassembly, face guard shell circumference inboard is equipped with positioning mechanism, positioning mechanism and the fixing device circumference location of setting at taper hole interface circumference outer wall, and form the oxygen uptake cavity between face guard shell circumference inboard and the positioning mechanism up end, form sealed cavity between positioning mechanism and the laminating subassembly. Through setting up seal assembly in face guard shell bottom, blow in oxygen uptake cavity and sealed cavity back through the taper hole interface when oxygen, push seal assembly edge to patient face, can effectually make the better contour of laminating patient face in seal assembly bottom, the laminating degree is good, has effectively prevented oxygen leakage, and simultaneously, mutually supporting through positioning mechanism and fixing device makes face guard shell push down towards patient face, has effectively strengthened the laminating degree of seal assembly bottom and patient face contour, and sealing performance is good.

In the above-mentioned non-bag type anaesthetic mask, the sealing component comprises a flexible sealing skirt, an annular skirt mounting part is arranged at the upper end of the flexible sealing skirt, and the thickness from the annular skirt mounting part to the flexible sealing skirt is gradually reduced. Through the flexibility of the flexible sealing skirt edge, the flexible sealing skirt edge is pushed to the face of the patient by utilizing the pressure during oxygen input and is attached to the contour of the face of the patient, the attachment degree is good, and the flexible sealing skirt edge is natural, comfortable and not tight.

In the above-described non-cuff anesthetic mask, the area formed on the inner circumferential side of the flexible sealing skirt is larger than the area formed on the inner circumferential side of the annular skirt attachment portion. The setting can make flexible sealing shirt rim bottom footpath cross the wind pressure and laminate towards circumference like this, prevents the condition of involution.

In foretell no bag type anaesthetic mask, mounting structure is connected with grafting portion including setting up the inserting groove at annular shirt rim installation department up end outside compressing tightly the subassembly circumference, and grafting portion pegs graft in the inserting groove. The installation structure is utilized to detachably connect the sealing assembly, so that the flexible sealing skirt edge is more convenient to replace and clean.

In the above-mentioned non-bag type anaesthetic mask, the upper end of the insertion part is fixedly connected with the bottom of the mask shell. This is provided to enhance the stability of the seal assembly.

In foretell no bag type anaesthetic mask, compress tightly the subassembly and include annular portion that compresses tightly, fixed connection between annular portion circumference outer wall that compresses tightly and grafting portion circumference inner wall, and annular portion circumference inner wall that compresses tightly is equipped with flexible rubber pad. The setting up of flexible rubber pad makes patient's face's laminating more comfortable.

In the non-bag type anaesthetic mask, the annular pressing part is provided with a plurality of air guide holes which are arranged at equal intervals, and the oxygen inhalation cavity and the sealed cavity are communicated with each other through the air guide holes. Air pressure is input into the sealed cavity through the air guide hole, so that the flexible sealed skirt edge is uniformly stressed.

In the above-mentioned no bag type anaesthetic mask, the positioning mechanism includes the lower positioning ring body, and lower positioning ring body circumference is equipped with a plurality of lower location branches, and the one end that lower location branch kept away from the lower positioning ring body is equipped with and is the perpendicular location spliced pole that sets up with lower location branch.

In foretell no bag type anaesthetic mask, fixing device includes the location ring body, goes up the location ring body circumference and is the last location branch that the one-to-one set up with lower location branch, and goes up the one end downside that the location ring body was kept away from in location branch and be equipped with the spread groove that is corresponding the setting with the location spliced pole, and the upside is equipped with the spliced pole that is used for connecting fixed bandage. Not only can be more firm with face mask shell with the laminating of face through mutually supporting of positioning mechanism and fixing device, make the laminating of flexible sealing shirt rim and patient face inseparabler moreover, prevent that oxygen from leaking.

In the above-mentioned non-bag type anaesthetic mask, the mask shell is provided with an elastic through hole which is arranged corresponding to the positioning connection column and can be sealed by itself.

Compared with the prior art, the utility model has the advantages of: simple structure, low cost, oxygen forms atmospheric pressure after insufflating to oxygen uptake cavity and sealed cavity through the taper hole interface, utilizes atmospheric pressure to push the flexible seal shirt rim that sets up in face guard housing bottom to patient's face, can effectually make the better laminating patient face profile of flexible seal shirt rim, prevents that oxygen from leaking, can make flexible seal shirt rim and patient face laminating more firm through mutually supporting of positioning mechanism and fixing device moreover, and the laminating degree is good.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a schematic structural diagram of the sealing assembly of the present invention.

In the figure, the mask comprises a mask shell 1, a taper hole interface 11, an oxygen inhalation cavity 12, a sealing cavity 13, an elastic through hole 14, a mounting structure 2, an insertion groove 21, an insertion part 22, a sealing component 3, a flexible sealing skirt 31, an annular skirt mounting part 32, a pressing component 4, an annular pressing part 41, a flexible rubber pad 42, an air guide hole 43, a positioning mechanism 5, a lower positioning ring body 51, a lower positioning branch 52, a positioning connecting column 53, a fixing device 6, an upper positioning ring body 61, an upper positioning branch 62, a connecting groove 63 and a connecting column 64.

Detailed Description

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

As shown in fig. 1-3, the non-bag type anaesthetic mask comprises a mask shell 1, wherein a taper hole interface 11 which is perpendicular to the mask shell 1 is arranged at the upper end of the mask shell 1, the taper hole interface 11 is communicated with the inside of the mask shell 1, a sealing component 3 is arranged at the bottom of the mask shell 1 in the circumferential direction through a mounting structure 2, a compressing component 4 is arranged on the inner side of the mounting structure 2 in the circumferential direction, a positioning mechanism 5 is arranged on the inner side of the mask shell 1 in the circumferential direction, the positioning mechanism 5 is circumferentially positioned with a fixing device 6 arranged on the outer wall of the taper hole interface 11 in the circumferential direction, an oxygen inhalation cavity 12 is formed between the inner side of the mask shell 1 in the circumferential direction and the upper end face of the positioning mechanism 5. The air pressure generated when oxygen is input into the oxygen inhalation cavity 12 and the sealing cavity 13 pushes the sealing component 3 arranged at the bottom of the mask shell 1 to the face of a patient and is attached to the outline of the face of the patient, and meanwhile, the pressing action force generated by the fixing device 6 and the positioning mechanism 5 on the mask shell 1 enables the attachment degree of the bottom of the sealing component 3 and the face of the patient to be better, so that the condition of oxygen leakage is effectively avoided.

Wherein, sealing assembly 3 includes flexible sealing skirt 31, and flexible sealing skirt 31 upper end is equipped with annular skirt installation department 32, and the thickness of annular skirt installation department 32 to flexible sealing skirt 31 reduces gradually. This arrangement allows the flexible sealing skirt 31 to swing and conform around the facial contours under the influence of air pressure.

As can be seen, the flexible sealing skirt 31 is formed circumferentially inwardly over a larger area than the annular skirt mounting portion 32.

Further, the mounting structure 2 comprises an insertion groove 21 arranged on the upper end face of the annular skirt mounting portion 32, an insertion portion 22 is connected to the circumferential outer side of the pressing assembly 4, and the insertion portion 22 is inserted into the insertion groove 21. The sealing assembly 3 is connected to the mounting structure 2 by means of a plug connection, which facilitates the replacement of the sealing assembly.

Specifically, the upper end of the plug part 22 is fixedly connected with the bottom of the mask shell 1.

Obviously, the pressing assembly 4 comprises an annular pressing portion 41, the outer circumferential wall of the annular pressing portion 41 is fixedly connected with the inner circumferential wall of the insertion portion 22, and the inner circumferential wall of the annular pressing portion 41 is provided with a flexible rubber pad 42. The compression assembly 4 is arranged to seal the peripheral edge of the flexible sealing skirt 31 after the flexible sealing skirt 31 is completely fitted with the face contour of the patient, so as to prevent air leakage.

Furthermore, a plurality of air guide holes 43 are arranged on the annular pressing part 41 at equal intervals, and the oxygen absorption cavity 12 and the sealing cavity 13 are communicated with each other through the air guide holes 43. Because the area of the bottom of the oxygen absorption cavity 12 is smaller than that of the sealed cavity 13, the air guide hole 43 is arranged, so that air pressure generated when oxygen enters can smoothly reach the sealed cavity 13 and generate acting force on the flexible sealing skirt 31.

In detail, the positioning mechanism 5 includes a lower positioning ring 51, a plurality of lower positioning branches 52 are circumferentially disposed on the lower positioning ring 51, and a positioning connection column 53 is disposed at one end of the lower positioning branch 52 far away from the lower positioning ring 51 and perpendicular to the lower positioning branch 52.

More specifically, fixing device 6 includes last location ring body 61, goes up location ring body 61 circumference and is equipped with the last location branch 62 that is the one-to-one setting with lower location branch 52, and goes up the one end downside that location branch 62 kept away from last location ring body 61 and be equipped with the spread groove 63 that is the corresponding setting with location spliced pole 53, and the upside is equipped with the spliced pole 64 that is used for connecting fixed bandage.

Preferably, the mask shell 1 is provided with an elastic through hole 14 which is arranged corresponding to the positioning connection column 53 and can be closed by itself. After the positioning connection column 53 is inserted into the connection groove 63, the elastic through hole 14 seals the circumferential direction of the positioning connection column 53 to prevent oxygen leakage.

The principle of the embodiment is as follows: through the sealing assembly who has flexible sealed shirt rim 31 in face guard shell 1 bottom setting, the atmospheric pressure that forms when utilizing oxygen to insufflate produces the effort to the sealed shirt rim 31 of nature, make the sealed shirt rim 31 of nature and the laminating of patient face's profile, after the sealed shirt rim 31 of nature and the complete profile laminating of patient face, compress tightly subassembly 4 and can seal flexible sealed shirt rim 31 circumference edge, prevent gas leakage, simultaneously, utilize the degree of laminating of the mutually supporting effort of positioning mechanism 5 and fixing device 6 messenger flexible sealed shirt rim 31 and patient face better.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the mask shell 1, the taper hole interface 11, the oxygen inhalation cavity 12, the sealing cavity 13, the elastic through hole 14, the mounting structure 2, the insertion groove 21, the insertion part 22, the sealing component 3, the flexible sealing skirt 31, the annular skirt mounting part 32, the pressing component 4, the annular pressing part 41, the flexible rubber pad 42, the air guide hole 43, the positioning mechanism 5, the lower positioning ring body 51, the lower positioning branch 52, the positioning connection column 53, the fixing device 6, the upper positioning ring body 61, the upper positioning branch 62, the connection groove 63, the connection column 64, etc., are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A bag-free anaesthetic mask comprises a mask shell (1), wherein the upper end of the mask shell (1) is provided with a taper hole interface (11) which is vertically arranged with the mask shell (1), the taper hole interface (11) is communicated with the inside of the mask shell (1), it is characterized in that the bottom of the mask shell (1) is circumferentially provided with a sealing component (3) through a mounting structure (2), and the circumferential inner side of the mounting structure (2) is provided with a pressing component (4), the circumferential inner side of the mask shell (1) is provided with a positioning mechanism (5), the positioning mechanism (5) is circumferentially positioned with a fixing device (6) arranged on the circumferential outer wall of the taper hole interface (11), and an oxygen absorption cavity (12) is formed between the circumferential inner side of the mask shell (1) and the upper end surface of the positioning mechanism (5), and a sealed cavity (13) is formed between the positioning mechanism (5) and the attaching component.

2. The mask according to claim 1, wherein the sealing assembly (3) comprises a flexible sealing skirt (31), an annular skirt mounting portion (32) is provided at an upper end of the flexible sealing skirt (31), and the thickness of the annular skirt mounting portion (32) to the flexible sealing skirt (31) is gradually reduced.

3. The mask as claimed in claim 2, wherein the flexible sealing skirt (31) is formed with a larger area on the circumferential inner side than the annular skirt mounting portion (32).

4. The mask according to claim 3, wherein the mounting structure (2) comprises an insertion groove (21) formed in the upper end surface of the annular skirt mounting portion (32), the circumferential outer side of the pressing assembly (4) is connected with an insertion portion (22), and the insertion portion (22) is inserted into the insertion groove (21).

5. The mask according to claim 4, wherein the upper end of the plug portion (22) is fixedly connected to the bottom of the mask shell (1).

6. The mask according to claim 4, wherein the compression assembly (4) comprises an annular compression portion (41), the outer circumferential wall of the annular compression portion (41) is fixedly connected with the inner circumferential wall of the insertion portion (22), and the inner circumferential wall of the annular compression portion (41) is provided with a flexible rubber pad (42).

7. The mask according to claim 6, wherein the annular compression part (41) is provided with a plurality of air vents (43) arranged at equal intervals, and the oxygen inhalation cavity (12) and the sealed cavity (13) are communicated with each other through the air vents (43).

8. The non-bag type anaesthetic mask as claimed in claim 1, wherein the positioning mechanism (5) comprises a lower positioning ring body (51), the lower positioning ring body (51) is circumferentially provided with a plurality of lower positioning branches (52), and one end of the lower positioning branch (52) far away from the lower positioning ring body (51) is provided with a positioning connecting column (53) which is vertically arranged with the lower positioning branch (52).

9. The non-bag type anaesthetic mask as claimed in claim 8, wherein the fixing device (6) comprises an upper positioning ring body (61), the upper positioning ring body (61) is circumferentially provided with upper positioning branches (62) which are arranged corresponding to the lower positioning branches (52) one by one, the lower side of one end of each upper positioning branch (62) far away from the upper positioning ring body (61) is provided with a connecting groove (63) which is arranged corresponding to the positioning connecting column (53), and the upper side is provided with a connecting column (64) for connecting a fixed bandage.

10. The mask for anesthesia of claim 9, wherein said mask shell (1) has an elastic through hole (14) corresponding to the positioning connection post (53) and capable of self-sealing.