CN217472532U

CN217472532U - Mouth and nose separation mask

Info

Publication number: CN217472532U
Application number: CN202220674610.XU
Authority: CN
Inventors: 何庆标; 颜元清
Original assignee: First Affiliated Hospital of Guangzhou University of Chinese Medicine
Current assignee: First Affiliated Hospital of Guangzhou University of Chinese Medicine
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-09-23
Anticipated expiration: 2032-03-25

Abstract

The utility model relates to the technical field of medical equipment, in particular to a mouth and nose separating mask, which comprises a mask body, wherein the middle part of the upper part of the mask body is provided with an air inlet, the lower part of the mask body is provided with an annular air bag along the periphery of the mask body, and the annular air bag is provided with an inflation valve; the inner part of the cover body is provided with a cover body partition plate which divides the inner cavity of the cover body into a nasal cavity ventilation chamber and an oral cavity ventilation chamber which are mutually independent; an air inlet partition plate is arranged in the air inlet and divides a channel of the air inlet into a first air inlet channel and a second air inlet channel, conversion joints are movably connected to the two air inlet channels, and the anesthetic tube is communicated with the mask through the conversion joints; the cover body partition plate is fixedly connected with the air inlet partition plate, and an arc-shaped air bag is further arranged below the cover body partition plate. The utility model discloses the mouth nose contains two solitary cavities, can satisfy the single demand that admits air, and simple structure, the design is friendly, has improved mouth/nose wound patient's the security of ventilating greatly.

Description

Mouth and nose separation mask

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to face guard is separated to mouth and nose.

Background

The anaesthetic mask is an important apparatus for opening an air passage, effectively supplying oxygen and supplying anaesthetic gas during clinical operation anaesthesia and emergency treatment, and the anaesthetic mask which is commonly used clinically at present is generally formed by arranging an air inlet at the middle part above a walnut-shaped mask body and arranging a circle of sealed air bag cushion at the periphery of the lower part of the mask body. When in use, the mask is covered on the face of a patient, and the air bag is inflated through the inflation valve on the air bag, so that the mask and the mouth and nose of the patient keep good sealing performance, and the air leakage phenomenon cannot occur; meanwhile, the device is connected with an anesthesia machine through an air inlet to deliver oxygen and volatile anesthetic gases (such as sevoflurane, enflurane, isoflurane and the like) to a patient, thereby keeping a good anesthetic ventilation effect. The anaesthetic mask is removed when the patient enters a "deep sleep" state during the maintenance of anaesthesia after inhalation of a sufficient amount of anaesthetic gas.

The anesthetic mask can generally ventilate effectively for ordinary patients, but when the oral cavity or the nasal cavity of the patient is injured, blood flows into the throat part from the wound to cause obstruction of the upper respiratory tract, and doctors often stop bleeding by means of pressurized filling. Because the traditional mask only has one closed ventilation cavity, when the traditional mask is used for pressurizing and supplying oxygen to the patient, oxygen can enter the body from two passages of a nasal cavity and an oral cavity at the same time, so that the blood of the patient with trauma to the nasal cavity or the oral wound can flow into the throat part more quickly, and the obstruction of the upper respiratory tract is aggravated. Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide an anesthetic mask that can satisfy the needs of patients with oral and nasal trauma.

Disclosure of Invention

The utility model provides a mouth and nose separation face guard for solve current anaesthetic mask and aggravate the problem that mouth and nose wound patient upper respiratory tract was obstructed from oral cavity nasal cavity oxygen suppliment simultaneously easily, improve the patient and use experience.

A mouth-nose separation mask comprises a mask body, wherein an air inlet is formed in the middle of the upper part of the mask body; an annular air bag is arranged below the cover body along the periphery of the cover body, and an inflation valve is arranged on the annular air bag;

the mask body is internally provided with a mask body partition plate which divides the inner cavity of the mask body into a nasal cavity ventilation chamber and an oral cavity ventilation chamber which are mutually independent;

an air inlet partition plate is arranged in the air inlet and divides a channel of the air inlet into a first air inlet channel and a second air inlet channel; the first air inlet channel and the second air inlet channel are both movably connected with adapter joints, and the anesthetic tube is communicated with the mask through the adapter joints;

the nasal cavity ventilation chamber is communicated with the first air inlet channel, and the oral cavity ventilation chamber is communicated with the second air inlet channel;

the cover body partition plate is fixedly connected with the air inlet partition plate, and an arc-shaped air bag is further arranged below the cover body partition plate.

Further, the crossover joint includes a vent joint and a seal joint.

Furthermore, the ventilation joint is integrally communicated, the lower part of the ventilation joint is semi-cylindrical and is matched with the first air inlet channel and the second air inlet channel in shape; the upper part is cylindrical and is matched with the shape of the anesthetic tube.

Further, the sealing joint is a solid plug, is semi-cylindrical, and is adaptive to the shapes of the first air inlet channel and the second air inlet channel.

Further, the vent joint and the sealing joint are each connected to the enclosure by an elastic cord.

Furthermore, the bending radian of the arc-shaped air bag is adapted to the physiological radian of the upper lip of a human body.

Further, the arc-shaped air bag is communicated with the annular air bag.

Furthermore, the cover body partition plate is bent in a certain radian and is adapted to the bent radian of the arc-shaped air bag; the air inlet partition plate is a rectangular plane plate.

Further, the cover body partition plate is tightly connected with the inner wall of the cover body, and the air inlet partition plate is tightly connected with the inner wall of the air inlet.

Compared with the prior art, the invention has the beneficial effects that:

(1) the utility model discloses face guard is separated to mouth nose simple structure, and the design is friendly, has improved mouth/nose wound patient's the security of ventilating greatly. The inner cavity of the mask is divided into the independent nasal cavity ventilation cavity and the independent oral cavity ventilation cavity by the aid of the partition plate, the two ventilation cavities are respectively sealed, when the mask is used by a patient with bleeding caused by oral cavity or nasal cavity trauma, one ventilation cavity can be selectively utilized for ventilation, oxygen is prevented from entering the body from the injured nasal cavity or oral cavity, blood at the trauma part is brought into a respiratory tract to cause insufficient ventilation, and accordingly ventilation safety of the patient is guaranteed.

(2) The utility model discloses different crossover sub is connected respectively to the chamber of ventilating of face guard nasal cavity and the chamber of ventilating of oral cavity is separated to the mouth nose, utilizes seal joint and the cooperation of the joint of ventilating to accomplish single passageway function of admitting air, and is sealed respond well, and seal joint and the joint interface shape adaptation of ventilating simultaneously can switch over each other, conveniently switches over different inlet channels, clinical convenient to use.

(3) The utility model discloses the passageway separation is accomplished through division board and arc gasbag to the oronasal separation face guard, and the shape of division board and arc gasbag suits with human lip shape, can guarantee good gas tightness.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the oral-nasal separation mask of the present invention;

FIG. 2 is a schematic structural view of the connection adapter of the oral-nasal separation mask of the present invention;

reference numerals:

1. a cover body; 2. an air inlet; 3. a first air intake passage; 4. a second intake passage; 5. an air inlet partition plate; 6. an annular air bag 7 and an inflation valve; 8. a cover body partition plate; 9. a nasal ventilation chamber; 10. an oral ventilation chamber; 11. an arc-shaped air bag; 12. a vent fitting; 13. sealing the joint; 14. an elastic cord.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A mouth-nose separation mask is shown in figures 1-2 and comprises a mask body 1, wherein an air inlet 2 is arranged in the middle of the upper part of the mask body 1; an annular air bag 6 is arranged below the cover body 1 along the periphery of the cover body, and an inflation valve 7 is arranged on the annular air bag 6; the mask body 1 is internally provided with a mask body partition plate 8 which divides the inner cavity of the mask body 1 into a nasal cavity ventilation chamber 9 and an oral cavity ventilation chamber 10 which are mutually independent, is suitable for the requirement of a patient suffering from oral/nasal trauma on a single air inlet channel clinically, prevents oxygen from entering the body from the injured nasal cavity or oral cavity, brings blood of the trauma part into a respiratory tract to cause insufficient ventilation, and further ensures the ventilation safety of the patient. An air inlet partition plate 5 is arranged in the air inlet 2 and divides the passage of the air inlet 2 into a first air inlet passage 3 and a second air inlet passage 4; the first air inlet channel 3 and the second air inlet channel 4 are both movably connected with adapter connectors, and the anesthetic tube is communicated with the mask through the adapter connectors; the nasal cavity ventilation chamber 9 is communicated with the first air inlet channel 3, and the oral cavity ventilation chamber 10 is communicated with the second air inlet channel 4; the cover body partition plate 8 is fixedly connected with the air inlet partition plate 5, and an arc-shaped air bag 11 is further arranged below the cover body partition plate 8. The air inlet 2 is separated into two air inlet channels by arranging the air inlet separating plate 5, and the two air inlet channels are respectively connected with different ventilation chambers, so that the air inlet independence of the oral cavity ventilation chamber 10 and the nasal cavity ventilation chamber 9 is ensured, and the single ventilation function of the mask is further ensured.

Specifically, the conversion joint comprises a ventilation joint 12 and a sealing joint 13, wherein the ventilation joint 12 is integrally communicated, and the lower part of the ventilation joint is semi-cylindrical and is adapted to the shapes of the first air inlet channel 3 and the second air inlet channel 4, so that the ventilation joint is convenient to insert; the upper part of the air inlet pipe is cylindrical and is matched with the shape of an anesthetic tube, the sealing joint 13 is a solid plug and is semi-cylindrical and is matched with the shapes of the first air inlet channel 3 and the second air inlet channel 4; the vent fitting 12 and the sealing fitting 13 are each connected to the mask body 1 by an elastic cord 14. The sealing joint 13 and the ventilation joint 12 can be well inserted into the first air inlet channel 3 and the second air inlet channel 4, the ventilation port of the nasal cavity ventilation cavity 9 or the oral cavity ventilation cavity 10 is blocked by the sealing joint 13, and the anesthesia tube is connected with the oral cavity ventilation cavity 10 or the nasal cavity ventilation cavity 9 by the ventilation joint 12, so that single ventilation anesthesia of the mask from the oral cavity or the nasal cavity is realized; meanwhile, the ventilation joint 12 and the sealing joint 13 are connected with the mask body 1 by utilizing the elastic rope 14, so that the joint is prevented from being lost, and the normal use of the mask is ensured.

More specifically, the curvature of the arc-shaped air bag 11 is adapted to the physiological curvature of the upper lip of the human body; the arc-shaped air bag 11 is communicated with the annular air bag 6, and air can be simultaneously filled from the opening of the inflation valve 7, so that the tightness of two chambers of the mask is enhanced; the cover body partition plate 8 is bent in a certain radian and is adapted to the bent radian of the arc-shaped air bag 11; the division plate of the air inlet 2 is a rectangular plane plate; the cover body division plate 8 is tightly connected with the inner wall of the cover body 1, and the air inlet division plate 5 is tightly connected with the inner wall of the air inlet 2, so that air leakage of the side wall is prevented. Have certain radian through setting up arc gasbag 11 and cover body division board 8, and suit with human upper lip physiology radian to guarantee that the face guard wears back nasal cavity ventilation cavity 9 and oral cavity ventilation cavity 10 airtight separately, realize that the single channel admits air.

When meeting the nose trauma with the leukemia patient in clinic, can block up the first inlet channel 3 of nasal cavity ventilation cavity 9 with sealing joint 13, then will ventilate joint 12 and inject oral cavity ventilation cavity 10 second inlet channel 4 to block oxygen and admit air through the nasal cavity, when the face guard was ventilated under this kind of situation, open patient's mouth slightly, oxygen just can get into internally from oral cavity ventilation cavity 10 passageway, it causes the air flue to block up to impress the blood of nasal cavity when giving oxygen to have avoided the pressurization, avoid stifling the risk.

When the patient is suffered from oral trauma with leukemia, the sealing joint 13 can be used for blocking the second air inlet channel 4 of the oral cavity ventilation cavity 10, and then the ventilation joint 12 is inserted into the first air inlet channel 3 of the nasal cavity ventilation cavity 9, so that oxygen is blocked from being sucked in through the oral cavity.

The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.

Claims

1. A mouth-nose separation mask comprises a mask body, wherein an air inlet is formed in the middle of the upper portion of the mask body; an annular air bag is arranged below the cover body along the periphery of the cover body, and an inflation valve is arranged on the annular air bag; the method is characterized in that:

an air inlet partition plate is arranged in the air inlet and divides a channel of the air inlet into a first air inlet channel and a second air inlet channel; the first air inlet channel and the second air inlet channel are both movably connected with adapter connectors, and the anesthetic tube is communicated with the mask through the adapter connectors;

2. The oronasal separation mask of claim 1 wherein the adapter includes a vent adapter and a seal adapter.

3. The oronasal separation mask according to claim 2, wherein the ventilation joint is integrally through-connected, and has a semi-cylindrical lower portion adapted to the shape of the first air inlet channel and the second air inlet channel; the upper part is cylindrical and is matched with the shape of the anesthetic tube.

4. The oronasal separation mask of claim 2 wherein the sealing joint is a solid plug, semi-cylindrical, conforming to the shape of the first and second inlet passages.

5. The oronasal separation mask of any one of claims 2-4, wherein the vent fitting and the sealing fitting are each connected to the mask body by an elastic cord.

6. The oronasal separation mask of claim 1, wherein the arc of curvature of the arc-shaped air bag is adapted to the physiological curvature of the upper lip of the human body.

7. The oronasal separation mask of claim 6 wherein the arcuate bladder is in communication with the annular bladder.

8. The mouth-nose separating mask as claimed in claim 1, wherein the mask body separating plate is curved in a certain arc to correspond to the curvature of the arc-shaped air bag; the air inlet partition plate is a rectangular plane plate.

9. The mouth-nose separating mask according to claim 8, wherein the mask body separating plate is tightly connected to the inner wall of the mask body, and the air inlet separating plate is tightly connected to the inner wall of the air inlet.