CN111228623A - breathing mask - Google Patents

Abstract

The present invention provides a respiratory mask, comprising: the mask main body: the mask body is provided with an opening which is covered on the face of a human body and is used for covering the nose and the mouth of the human body; mask cushion: the mask cushion is detachably connected to the opening of the breathing mask; gas outlet: the air outlet is arranged on the mask main body and is opposite to the opening, a first one-way valve is arranged in the air outlet and is used for discharging the gas exhaled by the human body from the inside of the mask main body to the outside; air inlet: the air inlet is used for communicating the mask body with outside air. The invention provides a breathing mask which can effectively collect expiration gas and spray, is convenient for disinfection, prevents infection or cross infection and improves the treatment effect of infectious diseases.

Description

breathing mask

technical field

The invention relates to the technical field of medical devices, in particular to a breathing mask.

Background technique

Novel coronavirus pneumonia is an acute infectious pneumonia whose pathogen is a new type of coronavirus that has not been found in humans before, namely 2019 novel coronavirus. Based on current epidemiological studies, the main route of transmission of 2019-nCoV is respiratory droplets and close contact.

Patients with the new coronavirus generally have symptoms such as fever, fatigue and cough, and a large number of droplets are produced when coughing. The droplets carry a large number of highly pathogenic microorganisms, such as bacteria, viruses, mycoplasma, etc. The pathogenic microorganisms are easily contaminated and cross-infect medical staff. For personnel and other patients, during treatment in the prior art, patients often wear special masks that cooperate with ventilator treatment. However, the special masks are equipped with vents, and droplets can still be discharged through the vents to cause infection.

SUMMARY OF THE INVENTION

In view of the defects in the prior art, the present invention provides a breathing mask, which can effectively collect exhaled gas and droplets, facilitates disinfection thereof, prevents infection or cross infection, and improves the treatment effect of infectious diseases.

In order to achieve the purpose of the present invention, the present invention provides a breathing mask, the breathing mask comprises:

Mask body: the mask body has an opening that is closed to the face of the human body, and the opening is used to cover the nose and mouth of the human body;

Mask pad: the mask pad is detachably connected to the opening of the breathing mask;

Air outlet: the air outlet is arranged on the main body of the mask and is opposite to the opening. The air outlet is provided with a first one-way valve. The mask body is discharged from the inside to the outside;

Air inlet: The air inlet is used to communicate the mask body with the outside air.

Preferably, the air outlet is a tubular outlet, and the tubular outlet is connected to a sterilizing device for collecting and sterilizing the exhaled air of the human body.

Preferably, the air inlet is provided with a second one-way valve, and the second one-way valve is used for one-way passage of external air into the mask body.

Preferably, the first one-way valve and the second one-way valve respectively comprise a circular ring and an elastic sheet, the elastic sheet is provided with a central axis, the circular ring is provided with a central hole, and the elastic sheet is provided with a central hole. The central shaft of the sheet is sleeved in the central hole of the ring.

Preferably, the first one-way valve and the second one-way valve respectively comprise a ring and an elastic sheet, the elastic sheet is fixedly connected with one end of the ring, and the elastic sheet covers the seat. through hole of the ring.

Preferably, the breathing mask further includes a first connecting pipe, and the first connecting pipe is provided with an anti-suffocation hole.

Preferably, one end of the anti-suffocation hole is provided with an elastic sealing sheet for opening or closing the anti-suffocation hole.

Preferably, the breathing mask is provided with an oxygen port, and the oxygen jacket is provided with a sealing plug, and the sealing plug is used to open or close the oxygen port.

Preferably, the breathing mask further includes a headband, and a connector is provided on the mask body, and the connector is used to connect the headband.

Preferably, the breathing mask further includes a forehead support, which is used to support the forehead of the human body.

The beneficial effects of the present invention are as follows: the respiratory mask of the present invention can not only be used in conjunction with therapeutic equipment such as ventilators to provide patients with ventilation or oxygen infusion therapy, but also can collect and disinfect the exhaled gas and droplets of patients, thereby reducing virus contamination and cross-infection. .

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the specific embodiments or the prior art.

FIG. 1 is a perspective view of the breathing mask of the present invention.

Figure 2 is a cross-sectional view of the right side view of the breathing mask of the present invention.

FIG. 3 is a partial enlarged view of the cross-sectional view of the first one-way valve of the breathing mask of the present invention.

4 is a cross-sectional view of the first connecting pipe of the breathing mask of the present invention.

5 is a cross-sectional view of a right side view of a breathing mask according to another embodiment of the present invention.

Detailed ways

Embodiments of the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to more clearly illustrate the technical solutions of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

It should be noted that, unless otherwise specified, the technical or scientific terms used in this application should have the usual meanings understood by those skilled in the art to which the present invention belongs.

As shown in Figures 1-2, the present invention provides a breathing mask, the breathing mask includes: a mask body 1, the mask body 1 has an opening that is closed to the face of a human body, and the opening is used to cover the body of the human body. The nose and mouth; the mask pad 2, which is detachably connected to the opening of the breathing mask; the air outlet 11, which is provided on the mask body 1 and Opposite to the opening, the air outlet 11 is provided with a first one-way valve, and the first one-way valve is used to discharge the exhaled gas of the human body from the mask body to the outside; the air inlet 12, the The air inlet 12 is used to communicate the mask body 1 with outside air.

Preferably, the air inlet 12 is provided with a second one-way valve, and the second one-way valve is used for one-way passage of ambient air into the mask body 1 .

In the embodiment of the present invention, both the first one-way valve and the second one-way valve are one-way conducting, but in opposite directions, the first one-way valve in the air outlet 11 only allows the gas to be discharged from the mask body 1, while The outside air cannot enter the mask body 1 through the air outlet 11. Similarly, the second one-way valve in the air inlet 12 only allows air to enter the mask body, and the air in the mask body 1 cannot be discharged through the air inlet 12. Thereby, it is ensured that the breathing gas passes through the air inlet 12 , the mask main body 1 and the air outlet 11 in sequence in one direction, and the patient's exhaled gas, droplets, etc. are concentratedly discharged from the air outlet 11 .

Further, the air outlet 11 and the air inlet 12 are tubular outlets, the air outlet 11 is connected to a sterilizing device for collecting and sterilizing the exhaled gas of the human body, and the air inlet 12 is connected to a ventilation device, such as a ventilator, for Provide positive pressure gas to the patient, etc. The air outlet 11 and the air inlet 12 are arranged in a tubular shape, which is convenient for connection with a standard connecting pipe and improves the adaptability of the breathing mask.

Further, as shown in FIG. 3 , the first one-way valve and the second one-way valve respectively comprise a circular ring and an elastic sheet, the elastic sheet is provided with a central axis, and the circular ring is provided with a center The center shaft of the elastic sheet is sleeved in the center hole of the ring. When the patient exhales, the gas pressure in the mask body 1 is large, and the elastic sheet is pushed up at the same time, and the exhaled gas and droplets are discharged from the air outlet from the gap on the ring. In addition, the elastic sheet of the one-way valve in the air inlet is resisted When the one-way valve is closed, the gas in the mask main body 1 cannot be discharged from the air inlet 12; when the patient inhales, the gas pressure in the mask main body 1 is low, and at the same time, the elastic sheet of the one-way valve in the air outlet is blocked and sealed. The outside air cannot enter the mask body 1 through the air outlet 11 , and the one-way valve in the air inlet is opened, and the outside air enters the mask body 1 .

Further, according to another embodiment of the present invention, the first one-way valve and the second one-way valve respectively comprise a circular ring and an elastic sheet, and the elastic sheet is fixedly connected to one end of the circular ring And the elastic sheet covers the through hole of the ring. When the patient exhales, the gas pressure in the mask body 1 is large, and the elastic sheet is pushed up at the same time, and the exhaled gas and droplets are discharged from the air outlet from the gap on the ring. In addition, the elastic sheet of the one-way valve in the air inlet is resisted When the one-way valve is closed, the gas in the mask main body 1 cannot be discharged from the air inlet 12; when the patient inhales, the gas pressure in the mask main body 1 is low, and at the same time, the elastic sheet of the one-way valve in the air outlet is blocked and sealed. The outside air cannot enter the mask body 1 through the air outlet 11 , and the one-way valve in the air inlet is opened, and the outside air enters the mask body 1 .

Further, as shown in FIG. 4 , the respirator also includes a first connecting pipe 3 , which is provided with an anti-suffocation hole 31 , the first connecting pipe 3 is a right-angled elbow, and the anti-suffocating hole 31 It is arranged at the corner of the right-angled elbow, and one end of the anti-suffocation hole 31 is provided with an elastic sealing sheet 32. When the first connecting pipe is in use, one end is connected to the main body of the breathing mask, and the other end is connected to the ventilation equipment. When the ventilation equipment is used, the ventilation equipment The gas opens the elastic sealing sheet 32, the elastic sealing sheet 32 presses the gas pressure against the anti-suffocation hole 31, and blocks the anti-suffocation hole 31. When the ventilation device is closed, the elastic sealing sheet 32 returns to its original position, and the outside air passes through the anti-suffocation hole 31. The suffocation hole 31 goes into the respirator.

Further, an oxygen port is provided on the breathing mask, and a sealing plug is provided on the outer cover of the oxygen port, and the sealing plug is used to open or close the oxygen port, and the oxygen port is used to connect an oxygen-enhancing device, such as a system. Oxygen machine, etc., to increase the oxygen concentration of the patient's inhaled gas and improve the treatment effect.

Further, the breathing mask further includes a headband, and the mask body is provided with a connecting head, and the connecting head is used to connect the headband, so that the patient can fix the breathing mask to prevent the breathing mask from falling off or leaking air. .

Further, the breathing mask also includes a forehead support, which is used to support the forehead of the human body, and the forehead support is provided with a soft pad, which can better fit the patient's forehead and reduce the pressure of the breathing mask on the patient's face. Improve long-term patient comfort.

Further, as shown in FIG. 5 , in another embodiment of the present invention, different from the above-mentioned embodiments, the air outlet 11 ′ can be plugged into the mask body 1 ′, which reduces the difficulty of processing and manufacturing the mask body. And production cost, of course, in other embodiments, the air inlet 12' can also be plugged on the mask body 1', and the air inlet 12' and the first connecting pipe 3' can be integrally formed and plugged into the mask body together. 1', it also belongs to the protection scope of the present invention.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. The scope of the invention should be included in the scope of the claims and description of the present invention.

Claims (10)

1. A respiratory mask, characterized in that it comprises:

the mask main body: the mask body is provided with an opening which is covered on the face of a human body and is used for covering the nose and the mouth of the human body;

mask cushion: the mask cushion is detachably connected to the opening of the breathing mask;

gas outlet: the air outlet is arranged on the mask main body and is opposite to the opening, a first one-way valve is arranged in the air outlet and is used for discharging the gas exhaled by the human body from the inside of the mask main body to the outside;

air inlet: the air inlet is used for communicating the mask body with outside air.

2. A breathing mask according to claim 1, wherein the outlet is a tubular outlet connected to a disinfection device for collecting and disinfecting exhaled air from the person.

3. A breathing mask according to claim 2, wherein a second one-way valve is provided in the inlet port for one-way passage of ambient gas into the mask body.

4. A respirator as set forth in claim 3 wherein said first one-way valve and said second one-way valve each comprise a ring and a flexible sheet, said flexible sheet having a central axis, said ring having a central aperture, said flexible sheet having a central hub received within said central aperture of said ring.

5. The respirator as set forth in claim 3 wherein the first one-way valve and the second one-way valve each comprise a ring and a flexible sheet, the flexible sheet being fixedly attached to one end of the ring and covering the aperture of the ring.

6. A facial mask according to either of claims 4 and 5, wherein the mask further comprises a first connecting tube, the first connecting tube having an anti-asphyxia orifice.

7. The respiratory mask according to claim 6, wherein an elastic sealing piece is provided at one end of the anti-asphyxia hole to open or close the anti-asphyxia hole.

8. A breathing mask according to claim 7, wherein the breathing mask is provided with an oxygen port and the oxygen jacket is provided with a sealing plug for opening or closing the oxygen port.

9. The respirator as set forth in claim 8 further comprising a headband, wherein the mask body is provided with a connector for connecting the headband.

10. The respiratory mask of claim 9, further comprising a forehead support for supporting a human forehead.

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