CN111701157A - Wearable carrier for respiratory filtration - Google Patents
Wearable carrier for respiratory filtration Download PDFInfo
- Publication number
- CN111701157A CN111701157A CN202010672303.3A CN202010672303A CN111701157A CN 111701157 A CN111701157 A CN 111701157A CN 202010672303 A CN202010672303 A CN 202010672303A CN 111701157 A CN111701157 A CN 111701157A
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- CN
- China
- Prior art keywords
- shell
- side panel
- panel
- nose
- flexible
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- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1184—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with protection for the eyes, e.g. using shield or visor
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/04—Couplings; Supporting frames
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/06—Mouthpieces; Nose-clips
Abstract
The invention relates to a wearable carrier for respiratory filtration, which is used for being worn in a nasolabial sulcus of a human face and comprises a shell, a front cover, a flexible attaching piece and a fixing band, wherein the shell is integrally formed by adopting a hard material; the flexible attaching piece is integrally formed by adopting a flexible skin-friendly material and comprises a nose attaching part and an oral attaching part which are adaptive to the shape of the mouth and the nose of a human body, the nose attaching part comprises a nose circumference adapting surface and a nose breathing through hole, the oral attaching part comprises an oral circumference adapting surface and an oral breathing through hole, and the flexible attaching piece is adhered to the shell; the carrier is fixed on the mouth and nose parts of the human body through a fixing belt fixed on the shell, and the breathing is carried out through the vent hole on the front cover; this technical scheme adopts the structure of the combination of hard and soft, makes it good with human mouth nose laminating nature, and it is good to use stability repeatedly, saves replacement material cost greatly.
Description
Technical Field
The invention relates to the technical field of protective tools, in particular to a wearable carrier for respiratory filtration.
Background
The existing mask for conventional medical protection and new crown epidemic situation protection is generally made of three layers of non-woven fabrics including a water-blocking layer, a filter layer and a skin-friendly moisture absorption layer, is hung on the ear of a human body through a thin elastic rope for fixation, and the outline of the nose is adjusted through an aluminum pressing strip of the nose.
The conventional mask has disadvantages in that:
(1) the adhesive performance and the sealing performance of the adhesive tape are poor;
(2) for a person wearing the glasses, the person cannot block the exhaled humid airflow from going upwards along the nasolabial folds, and the humid airflow is easy to be condensed into fog on the lenses to block the sight;
(3) the aluminum pressing strip can lose the original performance after being repeatedly taken off and worn;
(4) the ear root is strangled with pain after long-time wearing;
(5) not only the mouth and the nose are covered, but also the cheeks are covered, the protection effect cannot be improved by covering the cheeks, and materials are seriously wasted.
Disclosure of Invention
The invention aims to solve the technical problem of making up the defects of the prior art and provides a wearable respiratory filtration carrier.
To solve the technical problems, the technical scheme of the invention is as follows:
a wearable carrier for respiratory filtration, which comprises a shell, a front cover, a flexible attaching piece and a fixing band,
the shell is integrally formed by a hard material and comprises a shell body, wherein the shell body is a shell with a narrow top and a wide bottom and comprises a front panel, a bottom panel, a first side panel and a second side panel which are arranged in a bilateral symmetry manner; the front panel is arranged at the front ends of the first side panel and the second side panel, the front panel and the bottom panel are arranged in an L shape, an included angle beta is formed between the first side panel and the second side panel, and beta is more than or equal to 45 degrees and less than or equal to 60 degrees; the front panel is provided with ventilation hollows;
the front cover is detachably fixed at the ventilation hollow-out position on the front panel of the shell, the filter layer is clamped between the front cover and the front panel of the shell, and the cover body of the front cover is provided with a ventilation hole;
the flexible attaching piece is integrally formed by adopting a flexible skin-friendly material and comprises a nose attaching part and an oral attaching part which are adaptive to the shape of the mouth and the nose of a human body, the nose attaching part comprises a nose circumference adapting surface and a nose breathing through hole, the oral attaching part comprises an oral circumference adapting surface and an oral breathing through hole, and the flexible attaching piece is fixedly bonded on the shell;
the fixing belts are fixedly arranged on the first side panel and the second side panel, and the length of the fixing belts can be adjusted;
the carrier is fixed on the mouth and nose part of the human body through the fixing belt, the first side panel and the second side panel of the shell body are arranged in the nasolabial sulcus outline of the face of the human body, and the breathing is carried out through the vent hole in the front cover.
Further, the material of the shell is hard plastic.
Furthermore, the top of the front panel of the shell body of the shell, the top of the first side panel and the top of the second side panel jointly form a U-shaped top surface, a limiting table is arranged below the U-shaped top surface, and the rear ends of the first side panel, the second side panel and the bottom panel are contour adaptive surfaces; the flexible laminating piece comprises a top bonding table, a side bonding table and a bottom bonding table, the bottom of the top bonding table is vertically limited through a limiting table of the shell body, and the side bonding table and the bottom bonding table are matched with the contour adaptive surface of the shell body.
Furthermore, a top flanging is arranged at the top of the top bonding table of the flexible attaching piece and covers the U-shaped top surface of the shell body; the side part bonding platform of the flexible attaching piece is provided with a side part flanging, the bottom bonding platform is provided with a bottom flanging, and the side part flanging and the bottom flanging are covered on the contour adapting surface of the shell body to realize hundred-percent flexible contact with the mouth and the nose of a human body.
Furthermore, the first side panel and the second side panel of the shell body of the shell are both provided with a hanging lug, and the fixing band is fixed on the hanging lug.
Furthermore, a groove is formed in the front panel of the shell body of the shell, the ventilation hollows are arranged on the groove, clamping holes are formed in the groove, and the number of the clamping holes is not less than 2; the protecgulum sets up in the recess, is equipped with the protruding knot of joint that matches the use with the joint hole on the protecgulum, and during the use, the surface of protecgulum flushes with the preceding outside surface of the front panel of shell body.
Further, the width of fixed band is 15 ~ 25 mm.
Further, the fixing belt is a TPU rubber-coated woven belt or a common polyester woven belt.
Furthermore, the first side panel and the second side panel of the shell body of the shell are both parallel to the nasolabial sulcus of the human face.
Further, the flexible laminating piece comprises an inner nesting sleeve, wherein the inner nesting sleeve is used for being pressed on the bottom bonding table of the flexible laminating piece and fixed on the top surface of the bottom panel of the shell body of the shell, and is used for ensuring that the flexible laminating piece is flat in outline.
The invention can achieve the following beneficial effects:
(1) the rigid-flexible combination of the hard shell and the flexible attaching piece can ensure the stability of the whole structure, the attaching degree with the mouth and the nose of a human body and the sealing performance;
(2) the whole outline and the size of the mask are suitable for being placed in the nasolabial sulcus of the face of a human body, and the fogging of the lens formed by the upward movement of the exhaled humid airflow along the nasolabial sulcus is effectively avoided for a person wearing the glasses;
(3) repeated taking and wearing can not generate any deformation, and the shape retention performance of the aluminum pressing strip is superior to that of the traditional aluminum pressing strip;
(4) except covering the mouth and the nose of a human body, the mask avoids covering the cheek, thereby saving manufacturing materials and replacing materials, reducing the pressure of waste on the environment and greatly reducing the uncomfortable feeling of wearing in summer.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view II of an embodiment of the present invention;
FIG. 3 is a front view of an embodiment of the present invention;
FIG. 4 is a rear view of an embodiment of the present invention;
FIG. 5 is a side view of an embodiment of the present invention;
FIG. 6 is a perspective view of the housing of an embodiment of the present invention;
FIG. 7 is a perspective view II of the outer shell in an embodiment of the present invention;
FIG. 8 is a front view of the housing in an embodiment of the present invention;
FIG. 9 is a rear view of the housing in an embodiment of the present invention;
FIG. 10 is a top view of a housing in an embodiment of the invention;
FIG. 11 is a perspective view I of a front cover in an embodiment of the present invention;
FIG. 12 is a perspective view II of the front cover in an embodiment of the present invention;
FIG. 13 is a perspective view of a flexible engaging member in accordance with an embodiment of the present invention;
FIG. 14 is a side view of a flexible abutment member according to an embodiment of the present invention;
FIG. 15 is a perspective view II of a flexible engaging member in accordance with an embodiment of the present invention;
FIG. 16 is a perspective view of an inner nest in an embodiment of the present invention;
in the figure: 1-shell, 101-shell body, 102-hanging lug, 103-groove, 104-spacing table, 105-contour adapting surface, 106-clamping hole,
2-front cover, 201-cover body, 202-venthole, 203-clamping convex buckle,
3-flexible fitting, 301-top binding platform, 302-nasal circumference adaptation surface, 303-nasal breathing through hole, 304-oral circumference adaptation surface, 305-oral breathing through hole, 306-side binding platform, 307-top flanging, 308-side flanging, 309-bottom binding platform,
4-inner nesting.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 5, a wearable respiratory filtration carrier includes a housing 1, a front cover 2, a flexible attachment member 3 and a fixing band;
the shell 1 is integrally formed by a hard material and comprises a shell body 101, wherein the shell body 101 is a shell with a narrow top and a wide bottom and comprises a front panel, a bottom panel, a first side panel and a second side panel which are arranged in a bilateral symmetry manner; the front panel is arranged at the front ends of the first side panel and the second side panel, the front panel and the bottom panel are arranged in an L shape, an included angle beta is formed between the first side panel and the second side panel, the included angle beta is larger than or equal to 45 degrees and smaller than or equal to 60 degrees, and the first side panel and the second side panel are both parallel to a nasolabial sulcus of a human face and fit with the outline of the mouth and the nose of the human body; the front panel is provided with ventilation hollows;
the front cover 2 is detachably fixed at a ventilation hollow-out position on the front panel of the shell 1, a filter layer is clamped between the front cover 2 and the front panel of the shell 1, and a ventilation hole 202 is arranged on a cover body 201 of the front cover 2; the filter layers are the same as the common mask and respectively comprise a water-resistant layer, a filter layer and a skin-friendly moisture absorption layer;
the flexible attaching piece 3 is designed by a 3D structure design method, the longitudinal surface refers to the external contour characteristics of the mouth and the nose of a human body, and is integrally formed by adopting a flexible skin-friendly material, the flexible skin-friendly material in the embodiment is selected to be silica gel, the flexible attaching piece 3 comprises a nose attaching part and an mouth attaching part which adapt to the shape of the mouth and the nose of the human body, the nose attaching part comprises a nose circumference adapting surface 302 and a nose breathing through hole 303, the mouth attaching part comprises a mouth circumference adapting surface 304 and a mouth breathing through hole 305, and the flexible attaching piece 3 is fixedly adhered to the shell 1;
the fixing belts are fixedly arranged on the first side panel and the second side panel, the length of the fixing belts can be adjusted, the fixing mode is common on gas masks and belongs to the conventional prior art, and therefore details are not repeated herein;
the carrier is fixed on the mouth and nose of a human body through a fixing belt, the first side panel and the second side panel of the shell body 101 are arranged in the nasolabial sulcus outline of the face of the human body, and the breathing is carried out through the vent hole 202 on the front cover 2; of course, it is also possible to open a hole in the housing 1 and install a breather valve through which an external clean air source supplies air to the human body.
In the embodiment, the material of the housing 1 is selected to be hard plastic, the material enables the housing 1 to maintain stability in structure, and the manufacturing method can be selected from a 3D printing forming method and an injection molding forming method, so that the manufacturing technology is mature, and the defective rate is low.
The top of the front panel of the shell body 101 of the shell 1, the top of the first side panel and the top of the second side panel jointly form a U-shaped top surface, a limiting table 104 is arranged below the U-shaped top surface, and the rear ends of the first side panel, the second side panel and the bottom panel are contour adaptive surfaces 105; the flexible fitting 3 comprises a top bonding table 301, a side bonding table 306 and a bottom bonding table 309, the bottom of the top bonding table 301 is limited up and down by a limiting table 104 of the shell body 101, and the side bonding table 306 and the bottom bonding table 309 are matched with the contour-adaptive surface 105 of the shell body 101; the top of the top bonding table 301 of the flexible attaching member 3 is provided with a top flange 307, and the top flange 307 covers the U-shaped top surface of the shell body 101; the side bonding table 306 of the flexible fitting part 3 is provided with a side flanging 308, the bottom bonding table 309 is provided with a bottom flanging, and the side flanging 308 and the bottom flanging are covered on the contour adapting surface 105 of the shell body 101, so that the flexible fitting part can be flexibly contacted with the mouth and the nose of a human body in a hundred percent manner, and the mounting structure is regular and attractive.
In order to facilitate the replacement of the fixing straps, the first side panel and the second side panel of the shell body 101 of the shell 1 are both provided with a hanging lug 102, and the fixing straps are fixed on the hanging lugs 102.
A groove 103 is formed in the front panel of the shell body 101 of the shell 1, the ventilation hollow parts are arranged on the groove 103, clamping holes 106 are formed in the groove 103, and the number of the clamping holes 106 is not less than 2; the front cover 2 is arranged in the groove 103, the front cover 2 is provided with a clamping convex buckle 203 matched with the clamping hole 106 for use, and when the front cover is used, the outer surface of the front cover 2 is flush with the front outer surface of the front panel of the shell body 101; the structure makes the disassembly of the front cover 2 easier and the replacement of the filter layer convenient and fast.
The width of fixed band is 15 ~ 25mm, and is 20mm best, wears at human head, and the width is suitable, does not have basically to strain pain and feels, does not waste the material basically on satisfying the service function's basis.
The fixing belt is a TPU rubber-coated woven belt or a common polyester woven belt, preferably the TPU rubber-coated woven belt, and the TPU rubber-coated woven belt is formed by coating a layer of TPU material on a traditional woven belt, so that the belt is more fashionable and attractive, and has high strength, good toughness, durability and easy cleaning.
In order to ensure that the contour of the flexible attaching member 3 is flat, an inner nest 4 is specially designed, the inner nest 4 is used for pressing on the bottom bonding table 309 of the flexible attaching member 3 and is bonded and fixed on the top surface of the bottom panel of the housing body 101 of the housing 1, the bottom bonding table 309 of the flexible attaching member 3 is fixedly clamped in the middle through the inner nest 4 and the bottom panel of the housing body 101, and thus the flexible attaching member 3 is not easy to deform in the using process.
When the wearable respiratory filtration carrier is used, the filter layer with a proper size is clamped between the front cover 2 and the front panel of the shell 1, the use area of the filter layer is smaller than 1/6 of the area of a conventional mask, and the replacement cost is greatly saved; in addition, the aluminum pressing strip adopted on the traditional mask is not easy to recover after being used, and the aluminum pressing strip is abandoned while the mask is abandoned, so that the waste of aluminum resources is caused, and the product can avoid the waste of the aluminum resources; for conventional medical protection and new crown epidemic situation protection, the wearable respiratory filtration carrier is very suitable for popularization and application, and necessary expenses are saved for the country and people.
In the description of the present invention, words such as "inner", "outer", "upper", "lower", "front", "rear", etc., indicating orientations or positional relationships, are used for convenience in describing the present invention, and do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The above description is only one embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the spirit of the present invention.
Claims (10)
1. A wearable carrier for respiratory filtration, characterized in that: comprises a shell (1), a front cover (2), a flexible binding piece (3) and a fixing belt,
the shell (1) is integrally formed by a hard material and comprises a shell body (101), wherein the shell body (101) is a shell with a narrow top and a wide bottom and comprises a front panel, a bottom panel, a first side panel and a second side panel which are arranged in a bilateral symmetry manner; the front panel is arranged at the front ends of the first side panel and the second side panel, the front panel and the bottom panel are arranged in an L shape, an included angle beta is formed between the first side panel and the second side panel, and beta is more than or equal to 45 degrees and less than or equal to 60 degrees; the front panel is provided with ventilation hollows;
the front cover (2) is detachably fixed at a ventilation hollow-out position on the front panel of the shell (1), a filter layer is clamped between the front cover (2) and the front panel of the shell (1), and a ventilation hole (202) is formed in a cover body (201) of the front cover (2);
the flexible attaching piece (3) is integrally formed by adopting a flexible skin-friendly material and comprises a nose attaching part and an mouth attaching part which are adaptive to the shape of the mouth and the nose of a human body, the nose attaching part comprises a nose circumference adapting surface (302) and a nose breathing through hole (303), the mouth attaching part comprises a mouth circumference adapting surface (304) and a mouth breathing through hole (305), and the flexible attaching piece (3) is fixedly bonded on the shell (1);
the fixing belts are fixedly arranged on the first side panel and the second side panel, and the length of the fixing belts can be adjusted;
the carrier is fixed on the mouth and nose of a human body through the fixing belt, the first side panel and the second side panel of the shell body (101) are arranged in the nasolabial sulcus outline of the face of the human body, and the breathing is carried out through the vent hole (202) on the front cover (2).
2. The wearable respiratory filtration support according to claim 1, wherein: the shell (1) is made of hard plastics.
3. The wearable respiratory filtration support according to claim 1, wherein: the top of the front panel of the shell body (101) of the shell (1) and the tops of the first side panel and the second side panel jointly form a U-shaped top surface, a limiting table (104) is arranged below the U-shaped top surface, and the rear ends of the first side panel, the second side panel and the bottom panel are contour adaptive surfaces (105); the flexible fitting piece (3) comprises a top bonding table (301), a side bonding table (306) and a bottom bonding table (309), the bottom of the top bonding table (301) is limited up and down through a limiting table (104) of the shell body (101), and the side bonding table (306) and the bottom bonding table (309) are matched with a contour adaptive surface (105) of the shell body (101).
4. The wearable respiratory filtration support according to claim 3, wherein: the top of the top bonding table (301) of the flexible attaching piece (3) is provided with a top flanging (307), and the top flanging (307) covers the U-shaped top surface of the shell body (101); the side bonding table (306) of the flexible fitting piece (3) is provided with a side flanging (308), the bottom bonding table (309) is provided with a bottom flanging, and the side flanging (308) and the bottom flanging are covered on the contour adaptive surface (105) of the shell body (101) to realize hundred-percent flexible contact with the mouth and nose of a human body.
5. The wearable respiratory filtration support according to claim 1, wherein: the first side panel and the second side panel of the shell body (101) of the shell (1) are both provided with a hanging lug (102), and the fixing band is fixed on the hanging lug (102).
6. The wearable respiratory filtration support according to claim 1, wherein: a groove (103) is formed in the front panel of the shell body (101) of the shell (1), the ventilation hollow parts are arranged on the groove (103), clamping holes (106) are formed in the groove (103), and the number of the clamping holes (106) is not less than 2; the front cover (2) is arranged in the groove (103), the front cover (2) is provided with a clamping convex buckle (203) matched with the clamping hole (106) for use, and when the front cover is used, the outer surface of the front cover (2) is flush with the front outer surface of the front panel of the shell body (101).
7. The wearable respiratory filtration support according to claim 1, wherein: the width of fixed band is 15 ~ 25 mm.
8. The wearable respiratory filtration support according to claim 1, wherein: the fixing belt is a TPU rubber-coated woven belt or a common polyester woven belt.
9. The wearable respiratory filtration support according to claim 1, wherein: the first side panel and the second side panel of the shell body (101) of the shell (1) are both parallel to the nasolabial sulcus of the human face.
10. The wearable respiratory filtration support according to claim 1, wherein: the flexible laminating piece (3) is characterized by further comprising an inner nesting sleeve (4), wherein the inner nesting sleeve (4) is used for being pressed on a bottom bonding table (309) of the flexible laminating piece (3) and fixed on the top surface of the bottom panel of the shell body (101) of the shell (1) and used for ensuring that the outline of the flexible laminating piece (3) is flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010672303.3A CN111701157A (en) | 2020-07-14 | 2020-07-14 | Wearable carrier for respiratory filtration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010672303.3A CN111701157A (en) | 2020-07-14 | 2020-07-14 | Wearable carrier for respiratory filtration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111701157A true CN111701157A (en) | 2020-09-25 |
Family
ID=72545742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010672303.3A Pending CN111701157A (en) | 2020-07-14 | 2020-07-14 | Wearable carrier for respiratory filtration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111701157A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112043933A (en) * | 2020-10-09 | 2020-12-08 | 上海市东方医院（同济大学附属东方医院） | Non-indentation respiratory mask |
| CN112263026A (en) * | 2020-10-22 | 2021-01-26 | 丁雷 | Doctor protective mask for operation of infectious patient |
-
2020
- 2020-07-14 CN CN202010672303.3A patent/CN111701157A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112043933A (en) * | 2020-10-09 | 2020-12-08 | 上海市东方医院（同济大学附属东方医院） | Non-indentation respiratory mask |
| CN112263026A (en) * | 2020-10-22 | 2021-01-26 | 丁雷 | Doctor protective mask for operation of infectious patient |
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