CA2494829A1 - Oxygen mask filter system - Google Patents
Oxygen mask filter system Download PDFInfo
- Publication number
- CA2494829A1 CA2494829A1 CA002494829A CA2494829A CA2494829A1 CA 2494829 A1 CA2494829 A1 CA 2494829A1 CA 002494829 A CA002494829 A CA 002494829A CA 2494829 A CA2494829 A CA 2494829A CA 2494829 A1 CA2494829 A1 CA 2494829A1
- Authority
- CA
- Canada
- Prior art keywords
- filter
- vent apertures
- filter system
- face mask
- oxygen mask
- 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.)
- Abandoned
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/105—Filters
- A61M16/1055—Filters bacterial
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0683—Holding devices therefor
-
- 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
Abstract
An oxygen mask filter system for preventing the transmission of a disease fr om a patient to medical personnel. The oxygen mask filter system includes a fac e mask (20) having an interior surface and an exterior surface, a plurality of vent apertures (28), a disk member (27) movably attached to the exterior surface of the face mask about the vent apertures, and a filter member (40) attached to the interior surface of the face mask for filtering gases prior to expulsion from the interior of the face mask to the exterior through the ven t apertures.
Description
OXYGEN MASK FILTER SYSTEM
DETAILED DESCRIPTION OF THE INVENTION
Turning now descriptively to the drawings, in which similar reference characters denote similar elements throughout the several views, FIGS. 2 through 6 illustrate an oxygen mask filter system 10, which comprises a face mask 20 having an interior surface and an exterior surface, a plurality of vent apertures 28, a disk member 27 movably attached to the exterior surface of the face mask 20 about the vent apertures 28, and a filter member 40 attached to the interior surface of the face mask 20 for filtering gases prior to expulsion from the interior of the face mask 20 to the exterior through the vent apertures 28.
Figure 1 illustrates a prior art oxygen mask system. A conventional oxygen mask is comprised of a face mask 20 that seals about the patient's mouth and nose, a check valve 25 fluidly connected to the face mask 20, an oxygen bag 24 fluidly connected to the check valve 25, and a pressurized oxygen tank 12 fluidly connected to the oxygen bag 24 as shown in Figure 1 of the drawings. The face mask 20 typically includes one or more vents within the side portions thereof wherein a disk member 27 is loosely attached to an outer post 26 for allowing gases from within the face mask 20 to be freely forced out of while preventing external gases from entering the interior of the face mask 20. The face mask 20 further typically has at least one securing strap 22 and a band member 23 for forming the shape of the face mask 20.
As shown in Figures 2 through 4 of the drawings, the face mask 20 is formed to fit snugly in a sealed manner about the patient's face. The face mask 20 may have various other shapes and structures other than that illustrated in the figures as can be appreciated by one skilled in the art. The face mask 20 may be constructed of various materials such as but not limited to plastic.
DETAILED DESCRIPTION OF THE INVENTION
Turning now descriptively to the drawings, in which similar reference characters denote similar elements throughout the several views, FIGS. 2 through 6 illustrate an oxygen mask filter system 10, which comprises a face mask 20 having an interior surface and an exterior surface, a plurality of vent apertures 28, a disk member 27 movably attached to the exterior surface of the face mask 20 about the vent apertures 28, and a filter member 40 attached to the interior surface of the face mask 20 for filtering gases prior to expulsion from the interior of the face mask 20 to the exterior through the vent apertures 28.
Figure 1 illustrates a prior art oxygen mask system. A conventional oxygen mask is comprised of a face mask 20 that seals about the patient's mouth and nose, a check valve 25 fluidly connected to the face mask 20, an oxygen bag 24 fluidly connected to the check valve 25, and a pressurized oxygen tank 12 fluidly connected to the oxygen bag 24 as shown in Figure 1 of the drawings. The face mask 20 typically includes one or more vents within the side portions thereof wherein a disk member 27 is loosely attached to an outer post 26 for allowing gases from within the face mask 20 to be freely forced out of while preventing external gases from entering the interior of the face mask 20. The face mask 20 further typically has at least one securing strap 22 and a band member 23 for forming the shape of the face mask 20.
As shown in Figures 2 through 4 of the drawings, the face mask 20 is formed to fit snugly in a sealed manner about the patient's face. The face mask 20 may have various other shapes and structures other than that illustrated in the figures as can be appreciated by one skilled in the art. The face mask 20 may be constructed of various materials such as but not limited to plastic.
As best shown in Figure 2, the face mask 20 preferably has at least one set of a plurality of vent apertures 28 within that allow gases from within the interior cavity of the face mask 20 to escape through when the patient exhales. The plurality of vent apertures 28 may form various designs and patterns, however conventional oxygen masks typically have a circular structure as illustrated in Figure 2 of the drawings. The vent apertures 28 may have various sizes and shapes which allow adequate gas flow through thereof.
On the exterior surface of the face mask 20, a disk member 27 is movably attached about an outer post 26 positioned adjacent the vent apertures 28. The disk member 27 is preferably comprised of a material capable of sealing the vent apertures 28 when the patient inhales such as but not limited to rubber or plastic. The disk member 27 may have various sizes and shapes which are well-known in the medical industry.
Within the interior of the face mask 20, an inner post 34 extends inwardly from the interior surface of the face mask 20 for supporting the filter member 40.
The inner post 34 preferably is positioned adjacent to the vent apertures 28 and more particularly centrally within the vent apertures 28. A plate member 30 may be attached to the interior surface about the vent apertures 28 wherein the plate member 30 has a number of plate apertures 32 within that correspond to the vent apertures 28 as best illustrated in Figure 2 of the drawings.
As shown in Figures 2 and 6 of the drawings, the inner post 34 preferably has a flanged end 35 for snugly retaining the filter member 40 upon the inner post 34. The flanged end 35 preferably is formed for allowing the filter member 40 to be easily attached and more difficult to remove from the inner post 34 as best illustrated in Figure 6 of the drawings.
On the exterior surface of the face mask 20, a disk member 27 is movably attached about an outer post 26 positioned adjacent the vent apertures 28. The disk member 27 is preferably comprised of a material capable of sealing the vent apertures 28 when the patient inhales such as but not limited to rubber or plastic. The disk member 27 may have various sizes and shapes which are well-known in the medical industry.
Within the interior of the face mask 20, an inner post 34 extends inwardly from the interior surface of the face mask 20 for supporting the filter member 40.
The inner post 34 preferably is positioned adjacent to the vent apertures 28 and more particularly centrally within the vent apertures 28. A plate member 30 may be attached to the interior surface about the vent apertures 28 wherein the plate member 30 has a number of plate apertures 32 within that correspond to the vent apertures 28 as best illustrated in Figure 2 of the drawings.
As shown in Figures 2 and 6 of the drawings, the inner post 34 preferably has a flanged end 35 for snugly retaining the filter member 40 upon the inner post 34. The flanged end 35 preferably is formed for allowing the filter member 40 to be easily attached and more difficult to remove from the inner post 34 as best illustrated in Figure 6 of the drawings.
As shown in Figures 2 through 5 of the drawings, the filter member 40 has a filter element 42 capable of filtering micro-particulate material, microorganisms, saliva, air-borne diseases and other health hazard materials. The filter element 42 may be comprised of various materials commonly utilized within the medical industry for filtering air-borne diseases.
As shown in Figures 2 and 6 of the drawings, a filter aperture 44 extends through the filter element 42 for fitting about the inner post 34. The filter aperture 44 may have various shapes and sizes that are suitable for easy positioning about the flanged end 35 of the inner post 34. The filter aperture 44 is preferably centrally positioned within - the filter element 42, however the filter aperture 44 may be positioned within, various other locations within the filter element 42. The filter member 40 preferably includes an outer encasement 46 for providing increased rigidity to the filter element 42 and for preventing the passing of material through the side portions of the filter element 42.
As to a further discussion of the manner of usage and operation of the present invention, the same should be apparent from the above description.
Accordingly, no further discussion relating to the manner of usage and operation will be provided.
With respect to the above description then; it is to be realized that the optimum dimensional relationships for the parts of the invention, to include variations in size, materials, shape, form, function and manner of operation, assembly and use, are deemed to be within the expertise of those skilled in the art, and all equivalent structural variations and relationships to those illustrated in the drawings and described in the specification are intended to be encompassed by the present invention.
Therefore, the foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the invention.
As shown in Figures 2 and 6 of the drawings, a filter aperture 44 extends through the filter element 42 for fitting about the inner post 34. The filter aperture 44 may have various shapes and sizes that are suitable for easy positioning about the flanged end 35 of the inner post 34. The filter aperture 44 is preferably centrally positioned within - the filter element 42, however the filter aperture 44 may be positioned within, various other locations within the filter element 42. The filter member 40 preferably includes an outer encasement 46 for providing increased rigidity to the filter element 42 and for preventing the passing of material through the side portions of the filter element 42.
As to a further discussion of the manner of usage and operation of the present invention, the same should be apparent from the above description.
Accordingly, no further discussion relating to the manner of usage and operation will be provided.
With respect to the above description then; it is to be realized that the optimum dimensional relationships for the parts of the invention, to include variations in size, materials, shape, form, function and manner of operation, assembly and use, are deemed to be within the expertise of those skilled in the art, and all equivalent structural variations and relationships to those illustrated in the drawings and described in the specification are intended to be encompassed by the present invention.
Therefore, the foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the invention.
Claims (19)
1. An oxygen mask filter system, comprising:
a face mask having a plurality of vent apertures;
a disk member movably attached to an exterior surface of said face mask for selectively closing said plurality of vent apertures when a patient inhales and opening said plurality of vent apertures when a patient exhales; and a filter member attached to an interior surface of said face mask positioned about said plurality of vent apertures for filtering gases escaping from said face mask through said plurality of vent apertures.
a face mask having a plurality of vent apertures;
a disk member movably attached to an exterior surface of said face mask for selectively closing said plurality of vent apertures when a patient inhales and opening said plurality of vent apertures when a patient exhales; and a filter member attached to an interior surface of said face mask positioned about said plurality of vent apertures for filtering gases escaping from said face mask through said plurality of vent apertures.
2. The oxygen mask filter system of Claim 1, wherein said filter member is capable of filtering micro-particulate material.
3. The oxygen mask filter system of Claim 1, wherein said filter member is comprised of a filter element and an outer encasement surrounding a perimeter of said filter element.
4. The oxygen mask filter system of Claim 1, wherein said filter member has a circular structure.
5. The oxygen mask filter system of Claim 1, including an outer post extending from said exterior surface of said face mask adjacent said plurality of vent apertures thereby movably supporting said disk member.
6. An oxygen mask filter system, comprising:
a face mask having a plurality of vent apertures;
a disk member movably attached to an exterior surface of said face mask for selectively closing said plurality of vent apertures when a patient inhales and opening said plurality of vent apertures when a patient exhales;
an inner post extending from an interior surface of said face mask adjacent said plurality of vent apertures; and a filter member removably attached to said inner post positioned about said plurality of vent apertures for filtering gases escaping from said face mask through said plurality of vent apertures.
a face mask having a plurality of vent apertures;
a disk member movably attached to an exterior surface of said face mask for selectively closing said plurality of vent apertures when a patient inhales and opening said plurality of vent apertures when a patient exhales;
an inner post extending from an interior surface of said face mask adjacent said plurality of vent apertures; and a filter member removably attached to said inner post positioned about said plurality of vent apertures for filtering gases escaping from said face mask through said plurality of vent apertures.
7. The oxygen mask filter system of Claim 6, wherein said filter member is capable of filtering micro-particulate material.
8. The oxygen mask filter system of Claim 6, wherein said filter member is comprised of a filter element and an outer encasement surrounding a perimeter of said filter element.
9. The oxygen mask filter system of Claim 6, wherein said filter member has a circular structure.
10. The oxygen mask filter system of Claim 6, including an outer post extending from said exterior surface of said face mask adjacent said plurality of vent apertures thereby movably supporting said disk member.
11. The oxygen mask filter system of Claim 6, wherein said inner post has a flanged end for retaining said filter member upon thereof.
12. The oxygen mask filter system of Claim 6, wherein said filter member has a filter aperture that is formed to fit about said inner post.
13. An oxygen mask filter system, comprising:
a face mask having a plurality of vent apertures;
a disk member movably attached to an exterior surface of said face mask for selectively closing said plurality of vent apertures when a patient inhales and opening said plurality of vent apertures when a patient exhales;
a plate member having a plurality of plate apertures corresponding to said vent apertures attached to an interior surface of said face mask;
an inner post extending from said plate member; and a filter member removably attached to said inner post positioned about said plurality of vent apertures for filtering gases escaping from said face mask through said plurality of vent apertures.
a face mask having a plurality of vent apertures;
a disk member movably attached to an exterior surface of said face mask for selectively closing said plurality of vent apertures when a patient inhales and opening said plurality of vent apertures when a patient exhales;
a plate member having a plurality of plate apertures corresponding to said vent apertures attached to an interior surface of said face mask;
an inner post extending from said plate member; and a filter member removably attached to said inner post positioned about said plurality of vent apertures for filtering gases escaping from said face mask through said plurality of vent apertures.
14. The oxygen mask filter system of Claim 13, wherein said filter member is capable of filtering micro-particulate material.
15. The oxygen mask filter system of Claim 13, wherein said filter member is comprised of a filter element and an outer encasement surrounding a perimeter of said filter element.
16. The oxygen mask filter system of Claim 13, wherein said filter member has a circular structure.
17. The oxygen mask filter system of Claim 13, including an outer post extending from said exterior surface of said face mask adjacent said plurality of vent apertures thereby movably supporting said disk member.
18. The oxygen mask filter system of Claim 13, wherein said inner post has a flanged end for retaining said filter member upon thereof.
19. The oxygen mask filter system of Claim 13, wherein said filter member has a filter aperture that is formed to fit about said inner post.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/205,249 | 2002-07-23 | ||
| US10/205,249 US6659102B1 (en) | 2002-07-23 | 2002-07-23 | Oxygen mask filter system |
| PCT/US2003/022891 WO2004009153A2 (en) | 2002-07-23 | 2003-07-21 | Oxygen mask filter system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2494829A1 true CA2494829A1 (en) | 2004-01-29 |
Family
ID=29711495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002494829A Abandoned CA2494829A1 (en) | 2002-07-23 | 2003-07-21 | Oxygen mask filter system |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6659102B1 (en) |
| AU (1) | AU2003259204A1 (en) |
| CA (1) | CA2494829A1 (en) |
| WO (1) | WO2004009153A2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6581594B1 (en) * | 2000-05-15 | 2003-06-24 | Resmed Limited | Respiratory mask having gas washout vent and gas washout vent for respiratory mask |
| EP3108919B1 (en) | 2002-12-06 | 2020-09-09 | Fisher & Paykel Healthcare Limited | System for delivery of pressurized gases |
| US7152600B2 (en) * | 2003-01-22 | 2006-12-26 | Biokidz Usa Nfp | Biohazard mask suitable for civilians |
| WO2005056091A1 (en) * | 2003-12-12 | 2005-06-23 | Resmed Limited | Infection control for non-vented mask |
| WO2005079726A1 (en) | 2004-02-23 | 2005-09-01 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
| US9072852B2 (en) | 2004-04-02 | 2015-07-07 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
| EP3936180B1 (en) | 2004-04-02 | 2023-11-29 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
| US8251066B1 (en) * | 2004-12-22 | 2012-08-28 | Ric Investments, Llc | Exhalation port with built-in entrainment valve |
| EP1835955B1 (en) * | 2004-12-30 | 2014-05-07 | ResMed Limited | Respiratory mask having gas washout vent and gas washout vent assembly for respiratory mask |
| DE102005024729B3 (en) * | 2005-05-31 | 2006-09-28 | Dräger Safety AG & Co. KGaA | Breathing mask has inlet air valve with modular assembly which can be inserted from exterior of mask |
| US7559323B2 (en) * | 2005-11-09 | 2009-07-14 | Respan Products, Inc. | Disposable mask assembly with exhaust filter |
| US8342179B2 (en) * | 2005-11-09 | 2013-01-01 | Respan Products, Inc. | Disposable mask assembly with exhaust filter and valve disc and method of assembling same |
| CA2998247A1 (en) | 2006-07-14 | 2008-01-17 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus with support member |
| WO2008017100A1 (en) * | 2006-08-09 | 2008-02-14 | Compumedics Medical Innovation Pty Ltd | Air filter for a mask assembly |
| US10792451B2 (en) | 2008-05-12 | 2020-10-06 | Fisher & Paykel Healthcare Limited | Patient interface and aspects thereof |
| US10258757B2 (en) | 2008-05-12 | 2019-04-16 | Fisher & Paykel Healthcare Limited | Patient interface and aspects thereof |
| US11660413B2 (en) | 2008-07-18 | 2023-05-30 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
| US9901700B2 (en) | 2008-10-10 | 2018-02-27 | Fisher & Paykel Healthcare Limited | Nasal pillows for a patient interface |
| WO2011062510A1 (en) | 2009-11-18 | 2011-05-26 | Fisher & Paykel Healthcare Limited | Nasal interface |
| EP2515981B1 (en) | 2009-12-23 | 2021-08-18 | Fisher & Paykel Healthcare Limited | Patient interface and headgear |
| EP4166180A1 (en) | 2010-09-01 | 2023-04-19 | ResMed Pty Ltd | Mask system |
| WO2012047121A1 (en) | 2010-10-08 | 2012-04-12 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
| CN106823090A (en) | 2011-04-15 | 2017-06-13 | 费雪派克医疗保健有限公司 | Interface including wrap-up bridge of the nose part |
| US10603456B2 (en) | 2011-04-15 | 2020-03-31 | Fisher & Paykel Healthcare Limited | Interface comprising a nasal sealing portion |
| USD703808S1 (en) | 2011-05-12 | 2014-04-29 | Intersurgical Ag | Breathing mask |
| SG10201700946YA (en) | 2012-08-08 | 2017-03-30 | Fisher & Paykel Healthcare Ltd | Headgear for patient interface |
| WO2014038959A1 (en) | 2012-09-04 | 2014-03-13 | Fisher & Paykel Healthcare Limited | Valsalva mask |
| US9517367B2 (en) | 2013-02-01 | 2016-12-13 | 3M Innovative Properties Company | Respiratory mask having a clean air inlet chamber |
| US11052268B2 (en) | 2013-02-01 | 2021-07-06 | 3M Innovative Properties Company | Respirator negative pressure fit check devices and methods |
| US9950202B2 (en) | 2013-02-01 | 2018-04-24 | 3M Innovative Properties Company | Respirator negative pressure fit check devices and methods |
| WO2014124323A1 (en) * | 2013-02-11 | 2014-08-14 | Monitor Mask Inc. | Oxygen face mask and component system |
| USD753816S1 (en) * | 2013-12-12 | 2016-04-12 | Monitor Mask Inc. | Oxygen face mask with capnography monitoring ports |
| JP7117103B2 (en) | 2014-08-25 | 2022-08-12 | フィッシャー アンド ペイケル ヘルスケア リミテッド | Respirators and related parts, components or subassemblies |
| US10828452B2 (en) | 2014-09-16 | 2020-11-10 | Fisher & Paykel Healthcare Limited | Intramold headgear |
| US10646680B2 (en) | 2014-09-19 | 2020-05-12 | Fisher & Paykel Healthcare Limited | Headgear assemblies and interface assemblies with headgear |
| USD787045S1 (en) * | 2016-01-12 | 2017-05-16 | Brilliant Group Headquarters Co., Ltd. | Oxygen mask |
| AU2017234346B2 (en) | 2016-03-16 | 2022-06-30 | Fisher & Paykel Healthcare Limited | Directional lock for interface headgear arrangement |
| SG11201807699TA (en) | 2016-03-16 | 2018-10-30 | Fisher & Paykel Healthcare Ltd | Strap assembly, strap connector, headgear, headgear assembly, method of forming headgear, tubular connector, patient interface and method of joining straps |
| EP3429669B1 (en) | 2016-03-16 | 2022-11-16 | Fisher & Paykel Healthcare Limited | Method for manufacturing a headgear assembly for a respiratory interface |
| WO2017172358A1 (en) | 2016-03-28 | 2017-10-05 | 3M Innovative Properties Company | Respirator fit check sealing devices and methods |
| USD816209S1 (en) | 2016-03-28 | 2018-04-24 | 3M Innovative Properties Company | Respirator inlet port connection seal |
| EP3436163B1 (en) | 2016-03-28 | 2020-08-19 | 3M Innovative Properties Company | Multiple chamber respirator sealing devices and methods |
| USD842982S1 (en) | 2016-03-28 | 2019-03-12 | 3M Innovative Properties Company | Hardhat suspension adapter for half facepiece respirators |
| USD827810S1 (en) | 2016-03-28 | 2018-09-04 | 3M Innovative Properties Company | Hardhat suspension adapter for half facepiece respirators |
| USD882066S1 (en) | 2016-05-13 | 2020-04-21 | Fisher & Paykel Healthcare Limited | Frame for a breathing mask |
| USD809133S1 (en) * | 2017-01-31 | 2018-01-30 | Tracy Rookard | Oxygen mask assembly with tube tusks |
| USD823454S1 (en) | 2017-02-23 | 2018-07-17 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
| USD823455S1 (en) | 2017-02-23 | 2018-07-17 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
| USD824020S1 (en) | 2017-02-23 | 2018-07-24 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
| CN106943656A (en) * | 2017-03-31 | 2017-07-14 | 宁波圣宇瑞医疗器械有限公司 | Noninvasive breathing mask and its lung ventilator applied |
| CN117618719A (en) | 2018-03-16 | 2024-03-01 | 费雪派克医疗保健有限公司 | Headgear with lock-release engagement mechanism |
| US11123583B2 (en) | 2018-04-19 | 2021-09-21 | Jackson Nestelroad | Emergency aircraft passenger oxygen respirator |
| US20200197650A1 (en) * | 2018-12-21 | 2020-06-25 | Koninklijke Philips N.V. | Flexible airway and seal and patient interface device including same |
| GB2594343B (en) * | 2020-04-22 | 2023-12-27 | Britten Alan | Face mask and system |
| US20210353890A1 (en) * | 2020-05-18 | 2021-11-18 | Anil K. Tiwari | Oxygen face mask with filter |
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| JPS5825175A (en) | 1981-08-07 | 1983-02-15 | 揚 文羊 | Smoke preventing gas mask |
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| TW287952B (en) | 1994-08-31 | 1996-10-11 | Lifepro Inc | |
| US6216693B1 (en) | 1995-01-20 | 2001-04-17 | 3M Innovative Properties Company | Respirator having a compressible press fir filter element |
| US5579761A (en) | 1995-01-20 | 1996-12-03 | Minnesota Mining And Manufacturing Company | Respirator having snap-fit filter cartridge |
| US5640952A (en) | 1995-09-01 | 1997-06-24 | Swann; Linsey J. | Personal emergency breathing system for supplied air respirators |
| US5996580A (en) | 1998-01-06 | 1999-12-07 | Brookdale International Systems, Inc. | Personal emergency breathing system with locator for supplied air respirators and shock resistant filter mounting |
| US6584976B2 (en) * | 1998-07-24 | 2003-07-01 | 3M Innovative Properties Company | Face mask that has a filtered exhalation valve |
-
2002
- 2002-07-23 US US10/205,249 patent/US6659102B1/en not_active Expired - Fee Related
-
2003
- 2003-07-21 AU AU2003259204A patent/AU2003259204A1/en not_active Abandoned
- 2003-07-21 WO PCT/US2003/022891 patent/WO2004009153A2/en not_active Application Discontinuation
- 2003-07-21 CA CA002494829A patent/CA2494829A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US6659102B1 (en) | 2003-12-09 |
| WO2004009153A2 (en) | 2004-01-29 |
| AU2003259204A8 (en) | 2004-02-09 |
| AU2003259204A1 (en) | 2004-02-09 |
| WO2004009153A3 (en) | 2004-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |