CN103157205A - Medical check air valve respiratory protective mask - Google Patents
Medical check air valve respiratory protective mask Download PDFInfo
- Publication number
- CN103157205A CN103157205A CN2011104114582A CN201110411458A CN103157205A CN 103157205 A CN103157205 A CN 103157205A CN 2011104114582 A CN2011104114582 A CN 2011104114582A CN 201110411458 A CN201110411458 A CN 201110411458A CN 103157205 A CN103157205 A CN 103157205A
- Authority
- CN
- China
- Prior art keywords
- face shield
- return valve
- air
- mouth
- shield body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
Provided is a medical check air valve respiratory protective mask. The medical check air valve respiratory protective mask comprises a hollow cavity body with three openings, two sides of a middle opening are respectively provided with an opening, piece-shaped one-way valves are arranged in the openings formed in the two sides of the middle opening, one opening only allows air enters the cavity bodies, and the other opening only allows the air to be discharged out of the cavity bodies due to the installation directions of the piece-shaped one-way valves, when a patient wears the medical check air valve respiratory protective mask, fresh air in a ward is sucked in by the air inlet opening, the air discharge opening is connected with a soft pipe which is arranged outside the ward, and the air is discharged into atmosphere after being disinfected. The medical check air valve respiratory protective mask has the advantages of preventing the infection between a doctor and the patient, preventing air with pathogens exhaled by the patient from being inhaled into the body of the patient to cause superinfection, and the like. The medical check air valve respiratory protective mask can be used beyond the field of medical application, for example, the medical check air valve respiratory protective mask can be used in sites such as sewer inner well operations to protect a user from being threatened by toxic gas. The medical check air valve respiratory protective mask is a respiratory protection article which is wide in application.
Description
Technical field
The present invention relates to a kind of breathing mask, especially prevent the medical non-return valve respiratory protection face shield of respiratory infectious disease.
Background technology
At present, in the control clinical practice of respiratory infectious disease, be mainly the airborne pathogen of filtered through gauze by medical mask, perhaps adopt laminar flow sickbed.
Stop on August 7th, 2003, SARS (Severe Acute Respiratory Syndrome) (SARS or SARS) has appearred in succession in 34 countries and regions, the whole world, wherein, report has 8422 routine doubtful cases altogether, the SARS of 916 routine dead case .2002 between year June in November to 2003 in the groove, the infected situation of the medical personnel of hospital is the most serious, and 20% infection colony be medical personnel in world wide, and the case of making a definite diagnosis of Hongkong 22% is medical personnel.Therefore, for reducing cross-infection, strengthen relevant works and control, particularly carry out Design of ventilation and be very important in sars ward.
The thinking of prior art is: it is complicated turbulent process that air-flow distributes, and the minor variations of the small change of supply grille structure such as air deflector or air diffuser and air supply parameter such as wind speed, temperature and wind direction all can cause the change of air-flow.Prior art is thought: suitable design for reduce between patient, cross-infection between patient and medical personnel and effectively dilute and eliminating to contain the germ particle be all vital.
The laminar flow sickbed that extensively adopts at present, the blower fan at sick bed top sucks surrounding air and filters through air cleaning system and become pure air and enter in the mode of laminar flow and keep malleation to enter the working region with the dust particle that stops space outerpace in the workspace, vertical ventilation laminar flow bed pure air send into vertically downward horizontal blast laminar flow bed pure air level send into laminar flow bed be not genuine aseptic it be air to be sent into air filtration and sterilizing structure by pressure fan obtain sterile air and form relative aseptic space cleanliness factor and can reach 100 grades of ISO5 levels.The concept of laminar flow is that in fluid, particle does not mix particle movement each other mutually, and track is the track of the streaming flow micelle of ruly wire form, there is no obvious irregular fluctuation, the momentum-exchange that the adjacent fluid interlayer only has molecular thermalmotion to cause.
But in the control clinical practice of the respiratory infectious diseases such as pulmonary tuberculosis, especially the SARS epidemic of outburst in 2003, obviously expose the deficiency of mouth mask and laminar flow sickbed.No matter laminar flow sickbed or common mouth mask, the harmful microorganism that patient self discharges all is difficult to be killed.Cause 2 large drawbacks: the air with pathogen that is patient breathes out directly discharges inside, ward, cause the infection between doctor and patient, the mouth mask that another air with pathogen that is patient oneself breathes out is with by patient oneself, once more suck patient body, superinfection is unfavorable for patients ' recovery.
Thereby, be difficult to most control with air borne disease harm maximum in all infectious diseases.
The present invention proposes exactly and addresses this problem.
Summary of the invention
In order to overcome now above-mentioned situation: the air with pathogen that is patient breathes out directly discharges inside, ward, cause the infection between doctor and patient, the mouth mask that another air with pathogen that is patient oneself breathes out is with by patient oneself, once more suck patient body, superinfection, the deficiency that is unfavorable for patients ' recovery the invention provides a kind of medical non-return valve respiratory protection face shield.
The technical solution adopted for the present invention to solve the technical problems is: described respiratory protection face shield comprises face shield body and at least one non-return valve and at least one airflow pipe,
Described face shield body is hollow cavity, cavity has the face shield mouth, air-locked encapsulant is made by the softness that comprises rubber at face shield mouth edge, be fit to be fitted in the human body surface that comprises nostril that wing of nose both sides and lower lip consist of and mouth region with the shape at the face shield mouth edge of soft encapsulant, the aperture area of face shield mouth is greater than two nostrils of user and mouth region
It is inboard that the hollow cavity of face shield body is called the face shield body towards a side of human body surface, and its reverse side is called the face shield body outside,
The air inlet of at least one non-return valve is towards the face shield body outside, and exhaust outlet is inboard towards the face shield body,
The ferrule of at least one airflow pipe is connected to the valve port of non-return valve.
Also can make two-tube pair of non-return air valve structure: described cavity has the face shield mouth, and respectively there is an opening both sides of face shield mouth, and two openings respectively are equipped with a non-return valve,
The air inlet of one of them non-return valve is towards the face shield body outside, and exhaust outlet is inboard towards the face shield body, and the air inlet of this non-return valve connects airflow pipe, and perhaps the air inlet of this non-return valve is equipped with pipe joint, and pipe joint is fit to connect airflow pipe,
The air inlet of another non-return valve is inboard towards the face shield body, and exhaust outlet is towards the face shield body outside, and the exhaust outlet of this non-return valve connects airflow pipe, and perhaps the exhaust outlet of this non-return valve is equipped with pipe joint, and pipe joint is fit to connect airflow pipe.
Described protective face mask is with comprising fastening or compressing structure of respirator belt or rubber band.
Described cavity is made of plastic, perhaps uses with the moistureproof paper of plastic foil and makes, and perhaps makes with the paper of waxdip.
In order to facilitate pipeline to connect, described airflow pipe one end is fixed on the face shield body, and the other end is with the connector that comprises screw thread mouth or plug-in type interface, and perhaps pipe ends is with the connector that comprises screw thread mouth or plug-in type interface.
In order to keep the spatial attitude of air delivery pipe, comprise that described airflow pipe comprises one section hard tube section.
In order to keep sealing property under the face structure feature for different human individuals, the softness at described face shield mouth edge and air-locked encapsulant is made, the softness at edge and air-locked encapsulant liner comprises the wadding of wire.
its operation principle is: take two-tube pair of non-return air valve structure as example, patient puts on medical non-return valve respiratory protection face shield, air-locked encapsulant is made by the softness that comprises rubber at face shield mouth edge, be fit to be fitted in the human body surface that comprises nostril that wing of nose both sides and lower lip consist of and mouth region with the shape at the face shield mouth edge of soft encapsulant, it is inboard that the hollow cavity of face shield body is called the face shield body towards a side of human body surface, its reverse side is called outside the face shield body, the face shield body separates patient's breathing zone and house interior air airtight feud.When patient inhales, the air inlet of one of them non-return valve is towards the face shield body outside, exhaust outlet is towards face shield body inboard (being called inlet valve), the inner fresh air in ward is under the suction of patient inhales strength, fresh air enters the respiratory protection facepiece interior via the air inlet of this (being called inlet valve) non-return valve, and then sucks patient lung; the air inlet of another non-return valve is inboard towards the face shield body, exhaust outlet is towards the face shield body outside (being called exhaust valve), the exhaust outlet of this non-return valve connects airflow pipe (being called blast pipe), when patient exhales, patient breathe out with the air of pathogen under the blowing out of patient exhales strength, with the air of the pathogen air inlet via (being called exhaust valve) non-return valve, again through (being called exhaust valve) exhaust outlet, discharged to flexible pipe (being called blast pipe), flexible pipe (being called blast pipe) outlet is outdoor, through the sterilization after discharged to atmosphere.
The invention has the beneficial effects as follows: the first, prior art, no matter laminar flow sickbed or common mouth mask, the harmful microorganism that patient self discharges all is difficult to be killed.cause 2 large drawbacks: the air with pathogen that is patient breathes out directly discharges inside, ward, cause the infection between doctor and patient, the mouth mask that another air with pathogen that is patient oneself breathes out is with by patient oneself, once more suck patient body, superinfection, be unfavorable for patients ' recovery, come and the present invention utilizes the non-return valve with the air of patient respiratory and the air in the ward is isolated, prevented the cross-infection between patient and medical personnel, also prevented the mutual infection between patient, second is the mouth mask that prevents that the air with pathogen that patient oneself breathes out is with by patient oneself, once more suck patient body, superinfection, second, the laminar flow sickbed of prior art adopts effectively dilution and gets rid of the technological means that contains the germ particle, certainly will cause the large quantity of air after dilution to contain pathogen, because the volume of air that contains pathogen is huge, thereby be difficult to thoroughly kill wherein pathogen, and the air that the present invention breathes out patient does not add and focuses on dilutedly in blast pipe, concentrates to be sent to outdoor concentrating and to kill sterilization, the volume of air that contains pathogen due to the present invention is minimum, so can accomplish thorough disinfection, the 3rd, the present invention is of many uses, it is used and also incessantly is confined to medical domain, comprise nonventilated place, easily assemble the place of toxic gas, in the sewer well, use the present invention, the air inlet mouth of pipe is placed in air fresh place, in the situation that not by any exterior power, the strength that relies on user's breathing gas, fresh air can be sucked user lung through air inlet pipe and entrance non-return valve, and the waste gas body that the user is breathed out through exhaust non-return valve discharged to the sewer well in, prevented that effectively the user is poisoning because of the waste gas that sucks in the sewer well, in this case, between the present invention uses just, the reliability that it does not work by any exterior power, all greatly guaranteed user's safety.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the schematic diagram of embodiment one.
Fig. 2 is the schematic diagram that comprises air inlet pipe.
1. air inlet interfaces in figure, 2. air inlet non-return valve, 3. exhaust outlet interface, 4. exhaust outlet non-return valve, 5. blast pipe, 6. rubber band, 7. mouth mask mouth, 8. air inlet pipe.
The specific embodiment
In Fig. 1, air inlet interface (1) diameter 40mm, flexible plastic is made, air inlet non-return valve (2) is made by hard plastic sheet, can only be to freely-movable in the chamber, exhaust outlet interface (3) diameter 40mm, flexible plastic is made, exhaust outlet non-return valve (4) is made by hard plastic sheet, can only freely-movable outside the chamber, blast pipe (5) is diameter 40mm, the flexible plastic bellows, rubber band (6) is strangled when wearing after brain, and mouth mask mouth (7) covers nose and mouth.
In second embodiment shown in Figure 2, cavity is made with moistureproof paper, air inlet pipe (8) mouth of pipe is placed in air fresh place, in the situation that not by any exterior power, the strength that relies on user's breathing gas, fresh air can be sucked user lung through air inlet pipe and entrance non-return valve, and the waste gas body that the user is breathed out through exhaust non-return valve discharged to the sewer well in, prevented that effectively the user is poisoning because of the waste gas that sucks in the sewer well.Blast pipe in this example (5) also is placed in air fresh place, even any non-return valve has leakage, also toxic gas can not drained to breathing mask inside, and the user is safer.
In the 3rd embodiment, cavity is made with the paper of waxdip.
In the 4th embodiment, described airflow pipe one end is fixed on the face shield body, and the other end is with diameter 60mm screw thread mouth, and fast and easy connects air delivery pipe.
In the 5th embodiment; the air inlet pipe of described airflow pipe comprises the hard tube section of 3 meters long that one section 3 hard tube section by long 1000mm consists of; blast pipe also comprises the hard tube section of 3 meters long that one section 3 hard tube section by long 1000mm consists of; be applied to operation in the sewer well; be used for protecting the user to avoid poison gas and threaten, the use of two hard tube sections is convenient to air inlet and exhaust piper and is kept good correct attitude.
In the 6th embodiment, the softness at described face shield mouth edge and air-locked encapsulant is made, the softness at edge and air-locked encapsulant liner diameters 2mm wire wadding rely on performance wiry to increase the sealing property of face shield edge and user's face.
Claims (7)
1. non-return valve respiratory protection face shield, it is characterized in that: described respiratory protection face shield comprises face shield body and at least one non-return valve and at least one airflow pipe,
Described face shield body is hollow cavity, cavity has the face shield mouth, air-locked encapsulant is made by the softness that comprises rubber at face shield mouth edge, be fit to be fitted in the human body surface that comprises nostril that wing of nose both sides and lower lip consist of and mouth region with the shape at the face shield mouth edge of soft encapsulant, the aperture area of face shield mouth is greater than two nostrils of user and mouth region
It is inboard that the hollow cavity of face shield body is called the face shield body towards a side of human body surface, and its reverse side is called the face shield body outside,
The air inlet of at least one non-return valve is towards the face shield body outside, and exhaust outlet is inboard towards the face shield body,
The ferrule of at least one airflow pipe is connected to the valve port of non-return valve.
2. non-return valve respiratory protection face shield according to claim 1, it is characterized in that: cavity has the face shield mouth, and respectively there is an opening both sides of face shield mouth, and two openings respectively are equipped with a non-return valve,
The air inlet of one of them non-return valve is towards the face shield body outside, and exhaust outlet is inboard towards the face shield body, and the air inlet of this non-return valve connects airflow pipe, and perhaps the air inlet of this non-return valve is equipped with pipe joint, and pipe joint is fit to connect airflow pipe,
The air inlet of another non-return valve is inboard towards the face shield body, and exhaust outlet is towards the face shield body outside, and the exhaust outlet of this non-return valve connects airflow pipe, and perhaps the exhaust outlet of this non-return valve is equipped with pipe joint, and pipe joint is fit to connect airflow pipe.
3. non-return valve respiratory protection face shield according to claim 1, it is characterized in that: described protective face mask is with comprising fastening or compressing structure of respirator belt or rubber band.
4. non-return valve respiratory protection face shield according to claim 1, it is characterized in that: cavity is made of plastic, perhaps uses with the moistureproof paper of plastic foil and makes, and perhaps makes with the paper of waxdip.
5. non-return valve respiratory protection face shield according to claim 1, it is characterized in that: described airflow pipe one end is fixed on the face shield body, the other end is with the connector that comprises screw thread mouth or plug-in type interface, and perhaps pipe ends is with the connector that comprises screw thread mouth or plug-in type interface.
6. non-return valve respiratory protection face shield according to claim 1, it is characterized in that: described airflow pipe comprises one section hard tube section.
7. non-return valve respiratory protection face shield according to claim 1 is characterized in that: the softness at described face shield mouth edge and air-locked encapsulant is made, the softness at edge and air-locked encapsulant liner comprises the wadding of wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104114582A CN103157205A (en) | 2011-12-12 | 2011-12-12 | Medical check air valve respiratory protective mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104114582A CN103157205A (en) | 2011-12-12 | 2011-12-12 | Medical check air valve respiratory protective mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103157205A true CN103157205A (en) | 2013-06-19 |
Family
ID=48581054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104114582A Pending CN103157205A (en) | 2011-12-12 | 2011-12-12 | Medical check air valve respiratory protective mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103157205A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108853805A (en) * | 2017-05-10 | 2018-11-23 | 吴超然 | A kind of building |
| CN111588124A (en) * | 2020-04-24 | 2020-08-28 | 珠海天威飞马打印耗材有限公司 | Gauze mask |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5117821A (en) * | 1991-10-18 | 1992-06-02 | White George M | Hunting mask with breath odor control system |
| CN2258774Y (en) * | 1996-04-16 | 1997-08-06 | 吴大春 | Dust-proof sanitary mask |
| CN2631474Y (en) * | 2003-06-02 | 2004-08-11 | 吕良玉 | Breathing separator |
| CN2683178Y (en) * | 2004-01-18 | 2005-03-09 | 谢家祥 | Protecting mask with rotary separation type pipe |
| US20060231091A1 (en) * | 2005-04-18 | 2006-10-19 | Melinda Camarillo | Non-rebreathing oxygen face mask with nebulizer attachment |
| CN201267683Y (en) * | 2008-10-09 | 2009-07-08 | 张秀香 | Wet dust-proof mask |
| CN201375039Y (en) * | 2009-03-24 | 2010-01-06 | 李欣 | Novel breather preventing pathophoresis |
| CN202620515U (en) * | 2012-01-16 | 2012-12-26 | 南金凤 | Medical simplified check valve respiratory protection mask |
-
2011
- 2011-12-12 CN CN2011104114582A patent/CN103157205A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5117821A (en) * | 1991-10-18 | 1992-06-02 | White George M | Hunting mask with breath odor control system |
| CN2258774Y (en) * | 1996-04-16 | 1997-08-06 | 吴大春 | Dust-proof sanitary mask |
| CN2631474Y (en) * | 2003-06-02 | 2004-08-11 | 吕良玉 | Breathing separator |
| CN2683178Y (en) * | 2004-01-18 | 2005-03-09 | 谢家祥 | Protecting mask with rotary separation type pipe |
| US20060231091A1 (en) * | 2005-04-18 | 2006-10-19 | Melinda Camarillo | Non-rebreathing oxygen face mask with nebulizer attachment |
| CN201267683Y (en) * | 2008-10-09 | 2009-07-08 | 张秀香 | Wet dust-proof mask |
| CN201375039Y (en) * | 2009-03-24 | 2010-01-06 | 李欣 | Novel breather preventing pathophoresis |
| CN202620515U (en) * | 2012-01-16 | 2012-12-26 | 南金凤 | Medical simplified check valve respiratory protection mask |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108853805A (en) * | 2017-05-10 | 2018-11-23 | 吴超然 | A kind of building |
| CN111588124A (en) * | 2020-04-24 | 2020-08-28 | 珠海天威飞马打印耗材有限公司 | Gauze mask |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107676918B (en) | Prevent medical personnel's air curtain protector of mutual infection | |
| CN204091925U (en) | The anti-infection face shield of a kind of breathing endoscope diagnosis and treatment | |
| CN203829447U (en) | Medical anti-microbial and bactericidal breathing mask | |
| CN111111038A (en) | Convenient double-air valve double-channel deep gas mask | |
| CN111659042A (en) | High-temperature sterilizing respirator | |
| CN111317936B (en) | Whole virus protection casing of personnel's head | |
| CN105146811A (en) | Multifunctional anti-infecting mask for respiratory endoscopy diagnosis and treatment | |
| CN202620515U (en) | Medical simplified check valve respiratory protection mask | |
| CN212260553U (en) | Desk type breathing mask | |
| JP2023523742A (en) | mask and its system | |
| CN203598332U (en) | Respiration disinfector used for clinical medical department | |
| CN111840736A (en) | Ventilation device for patient in infectious department | |
| CN103157205A (en) | Medical check air valve respiratory protective mask | |
| CN204972589U (en) | Multi -functional artificial respirator is used in nursing of intracardiac branch of academic or vocational study | |
| CN111602878A (en) | Healthy and safe mask | |
| CN203634597U (en) | Breathing machine/anesthesia machine air disinfector | |
| CN104815376A (en) | Oxygen-storing face mask | |
| CN216089027U (en) | Medical protective clothing of cooling dehumidification | |
| CN212730652U (en) | Breathing mask | |
| CN213589242U (en) | Inhalation and exhalation bidirectional sterilizer | |
| CN212065764U (en) | Protective mask | |
| CN205031703U (en) | Respirator is used to tuberculosis branch of academic or vocational study | |
| CN211882343U (en) | Infectious disease isolation and killing system for respiratory system | |
| CN208708787U (en) | A kind of prevention of infectious disease device | |
| CN2628025Y (en) | Infectious diseasesproof bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130619 |