US3315674A - Filter mask facelet - Google Patents
Filter mask facelet Download PDFInfo
- Publication number
- US3315674A US3315674A US421435A US42143564A US3315674A US 3315674 A US3315674 A US 3315674A US 421435 A US421435 A US 421435A US 42143564 A US42143564 A US 42143564A US 3315674 A US3315674 A US 3315674A
- Authority
- US
- United States
- Prior art keywords
- facelet
- face
- mask
- rim
- nose
- 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.)
- Expired - Lifetime
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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
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
Definitions
- the invention relates to breathing masks, such for example as those worn by the crewmen of aircraft and is especially related to the provision of sanitary means to avoid contamination of one crewman by the respiratory ailment which another crewman might be afiiicted with.
- the cabin and cockpit are customarily pressurized so that the crewmen of the airplane do not habitually wear breathing masks on their faces.
- a suitable breathing mask is supplied for each individual crewman, which may either hang on the crewmans neck, or pursuant to more recent regulations may be suspended from the interior of the cockpit so that it can be quickly grabbed and donned should there be a failure of cabin pressure for any reason.
- Another object of the invention is to provide a new and improved filter mask facelet which offers no objectionable resistance to the flow of air into and out of the mask while it is in place and which also will not interfere with operation of the conventional breathing valve or microphone fixture.
- Still another object of the invention is to provide a new and improved filter mask facelet and mask combination wherein the facelet is substantially self-sustaining both in place on the mask and prior to placement in the mask so that it clears not only the nose and mouth of the wearer but also the breathing valve and microphone equipment.
- the objects of the invention also include the provision of a filter mask facelet which is sufiiciently firm so as to be capable of holding itself in position on the face piece of the mask when not in use without employment of auxiliary holding means.
- the invention consists in the construction, arrangement and combination of the various parts of the device, whereby the objects contemplated are attained, as hereinafter set forth, pointed out in the appended claims and illustrated in the accompanying drawings.
- FIGURE 1 is a side elevational view of a mask assem bly including the filter mask facelet in position on a crewman.
- FIGURE 2 is a plan view of the filter mask facelet alone looking at the face contacting side thereof.
- FIGURE 3 is a fragmentary longitudinal sectional view of the face contacting portion of a typical face piece provided with the filter mask facelet in position, taken for example, at the line 3-3 of FIGURE 2.
- FIGURE 4 is a fragmentary cross-sectional view of the facelet material drawn to an enlarged scale.
- a mask assembly of substantially conventional form incorporating a formed face piece 10 having a rim 11 to which is tied a relatively yieldable sealing bead 12.
- rim 11 has a shape and contour approximating the shape and contour of the face around the line of contact of the bead 12 with the face.
- the bead may be formed with an inside resilient mass 13 of material held in place by a flexible jacket 14. Edges 15 and 16 of the flexible jacket are bound to the rim 11 and an out-turned portion 17 thereof by some appropriate conventional adhesive.
- an ear piece 19 having a head strap 20 and a neck strap 21 fastened respectively to the. top and bottom of the ear piece.
- a mask strap 22 including an adjustable buckle 23 is fastened at one end to the ear piece 19 and at the other end to the face piece 10.
- An oxygen supply hose 25 is connected to a valve housing 26 on the face piece, the valve housing being one containing a conventional breathing valve device.
- a microphone fixture 27 mounted upon the face piece is a microphone fixture 27 to which a Wire lead 28 is connected so that a microphone (not shown) within the face piece can be connected to the communication system.
- a mask facelet is indicated generally by the reference character 36.
- the mask facelet is constructed of felted fibers which in final form can be molded so as to be capable of retaining a selected shape and configuration such as that shown in FIGURES 2 and 3.
- the facelet may be described as including a central portion 31 dished so as to provide a chamber 32 large enough to accommodate the forward portion of the face of the crewman.
- a narrow section 33 of the chamber 32 is sufficient to accommodate the nose whereas the lower portion, being larger, is sufficient to accommodate the mouth.
- Around the edge of the facelet 30 is a large rounded rim 34 which has substantially a shape and contour complementary with respect to the bead 12.
- the rim 34 has a pocket 35 extending through the entire perimeter the pocket 35 being open toward the bead 12 to permit application of the rim 34 of the facelet over the bead. Throughout some portions of the perimeter the rim 34 extends not over but also around the bead so that the facelet is fastened to the bead with relative security sufficient so that it cannot be easily knocked off when not in use.
- the character of the material forming the facelet 30 be sufiiciently pervious to the flow of 3 air or oxygen so that the resistance to fiow when the mask is in place on the face is virtually negligible.
- the material may be formed of multiple layers 36, 37, and 38 for example of relatievly long and somewhat resilient fibers of some appropriate synthetic plastic resinous material or other satisfactory natural fiber.
- the fibers of respectively adjacent layers can be laid in a somewhat cross-wise relationship one with respect to the other and so that the outermost fibers of adjacent layers mingle with each other and interlock to a degree when the respective layers are pressed together to form a composite sheet.
- Forming the sheet material in this fashion helps provide a degree of stiffness sufficiently so that the mask facelet, once molded into a form adapted to fit inside of the face plate, will hold the form as long as needed.
- the facelet can be constructed very inexpensively sufficient so that each facelet in turn can be disposed of after it has served one adjustment.
- the face piece will be provided with such a facelet in place and thereby ready for immediate use for adjusting to the face of the crewman. Should this not be feasible packages of appropriate facelets can be stored conveniently and applied over the bead of the mask when needed. Moreover the material of the facelet is such that it need not be precisely molded to fit each individual face piece.
- the rim 34 and pocket 35 of the facelet can be molded sufficiently around any one of a number of different types of beads 12 and, the central portion 31 maintained sufficiently clear of the face to accommodate many different types of nose structure and different locations of microphone and breathing valve apparatus within the face piece.
- a filter facelet comprising a sheet filter medium comprising multiple layers of separately felted fibers pervious to the passage of air therethrough at negligible resistance, a rim on said facelet adapted to conform with the outline and contour of the sealing bead, said rim having a substantially continuous self-sustaining pocket having a wall surrounding said sealing head, said facelet having an opening on one side, said facelet having a selfsustaining mid portion extending toward the open side of said pocket to positions clear of the wearers nose and mouth.
- a sanitary mask testing assembly comprising a formed face piece for application to the face of a wearer in position covering the nose and mouth, a face fitting rim on the face piece and a relatively yieldable sealing bead on said rim for sealing engagement with the face when the mask is in position thereon, breathing valve means at a foreward portion thereof and a microphone fixture adjacent said valve means, the combination of a filter facelet comprising a sheet filter medium pervious to the passage of air therethrough at negligible resistance, a rim on said facelet in conformance with the outline and contour of said sealing head, said rim having a substantially continuous pocket therein with an opening on one side mounting the facelet in position in the face piece, said facelet having a self-sustaining mid portion extending toward the open side of said pocket to positions clear of the wearers nose and mouth and clear of the breathing valve and microphone.
- a sanitary mask testing assembly comprising a formed face piece for application to the face of a wearer in position covering the nose and mouth, a face fitting rim on the face piece and a relatively yieldable sealing bead on said rim for sealing engagement with the face when the mask is in position thereon, breathing valve means at a foreward portion of the face piece and a microphone fixture adjacent said valve means, the combination of a filter facelet comprising a sheet filter medium having a thickness of from about 4, to 7 inch, said sheet comprising relatively long semi-resilient fibers in multiple layers of separately felted fibers wherein surface fibers on respectively adjacent faces of adjacent layers are intermingled and interlocked, said sheet being pervious to the passage of air therethrough at negligible resistance, a rim on said facelet in conformance with the outline and contour of said sealing head, said rim having a substantially continuous pocket therein with an opening on one side and with a wall surrounding approximately half the exterior of the sealing bead whereby to retain the facelet having a self-sustaining mid portion
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US421435A US3315674A (en) | 1964-12-28 | 1964-12-28 | Filter mask facelet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US421435A US3315674A (en) | 1964-12-28 | 1964-12-28 | Filter mask facelet |
Publications (1)
Publication Number | Publication Date |
---|---|
US3315674A true US3315674A (en) | 1967-04-25 |
Family
ID=23670497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US421435A Expired - Lifetime US3315674A (en) | 1964-12-28 | 1964-12-28 | Filter mask facelet |
Country Status (1)
Country | Link |
---|---|
US (1) | US3315674A (en) |
Cited By (69)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4815456A (en) * | 1987-07-20 | 1989-03-28 | Cosentino Leonard J | Hygienic device |
WO1990002582A1 (en) * | 1988-09-14 | 1990-03-22 | Puritan-Bennett Corporation | Crew oxygen mask and hose stowage unit |
USH1361H (en) * | 1992-05-06 | 1994-10-04 | The United States Of America As Represented By The Secretary Of The Army | Softshell protective mask |
US5452712A (en) * | 1995-01-13 | 1995-09-26 | Richardson; James M. | Disposable smoke hood with mask and dual strap arrangement |
EP0747078A2 (en) * | 1995-06-06 | 1996-12-11 | RESPIRONICS Inc. | Nasal mask |
US5896857A (en) * | 1996-12-20 | 1999-04-27 | Resmed Limited | Valve for use in a gas delivery system |
US6006748A (en) * | 1996-10-16 | 1999-12-28 | Resmed Limited | Vent valve apparatus |
US6029660A (en) * | 1996-12-12 | 2000-02-29 | Resmed Limited | Substance delivery apparatus |
US6044844A (en) * | 1996-12-02 | 2000-04-04 | Resmed Limited | Mask and harness assembly |
USD423096S (en) * | 1997-02-25 | 2000-04-18 | Resmed Limited | Nasal mask cushion |
USD428987S (en) * | 1997-02-25 | 2000-08-01 | Resmed Limited | Nasal mask shell |
US6112746A (en) * | 1996-07-26 | 2000-09-05 | Resmed Limited | Nasal mask and mask cushion therefor |
US6119693A (en) * | 1998-01-16 | 2000-09-19 | Resmed Limited | Forehead support for facial mask |
US6123071A (en) * | 1993-06-18 | 2000-09-26 | Resmed Limited | Facial masks for assisted respiration or CPAP |
USD435650S (en) * | 1997-02-25 | 2000-12-26 | Resmed Limited | Combined nasal mask shell and cushion |
US6412486B1 (en) | 1999-07-09 | 2002-07-02 | Leonard W. Glass | Disposable filtering face mask and method of making same |
US20020166557A1 (en) * | 2001-05-09 | 2002-11-14 | David Cooper | Mask with a built-in microphone |
US6494207B1 (en) * | 1996-12-02 | 2002-12-17 | Resmed Limited | Harness assembly for a nasal mask |
US20030019495A1 (en) * | 2001-05-18 | 2003-01-30 | Palkon David J. | Mask cushion and method of using same |
US6513526B2 (en) | 1996-07-26 | 2003-02-04 | Resmed Limited | Full-face mask and mask cushion therefor |
US20030034034A1 (en) * | 1999-06-18 | 2003-02-20 | Resmed Limited | Forehead support for facial mask |
US6561191B1 (en) | 1997-02-10 | 2003-05-13 | Resmed Limited | Mask and a vent assembly therefor |
US6561190B1 (en) | 1997-02-10 | 2003-05-13 | Resmed Limited | Mask and a vent assembly therefor |
US20030221691A1 (en) * | 2000-10-19 | 2003-12-04 | Achim Biener | Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas |
FR2849782A1 (en) * | 2003-01-15 | 2004-07-16 | Robert Schegerin | Facial mask for psychological protection of bearer e.g. civil plane pilot, has thin film of hygiene protection for insulating skin of bearer from semi-flexible lip of mask |
US20040182398A1 (en) * | 2003-03-22 | 2004-09-23 | Tom Sprinkle | Nasal mask |
USD498529S1 (en) | 1996-07-26 | 2004-11-16 | Resmed Limited | Portion of a cushion for use with a mask assembly in the application of continuous positive airway pressure (CPAP) |
US20050005940A1 (en) * | 2003-04-10 | 2005-01-13 | Resmed Limited | Mask with integral cushion and forehead piece |
US20050022820A1 (en) * | 2003-05-05 | 2005-02-03 | Kwok Philip R. | Forehead support for facial mask |
US20050056286A1 (en) * | 2003-09-17 | 2005-03-17 | Huddart Brett John | Breathable respiratory mask |
US20050139219A1 (en) * | 1999-03-29 | 2005-06-30 | Resmed Limited | Forehead support for facial mask |
US20050211252A1 (en) * | 2002-01-17 | 2005-09-29 | Map Medizin-Technologie Gmbh | Breathing mask arrangement and a forehead support device for same |
US20050241644A1 (en) * | 2004-04-09 | 2005-11-03 | Resmed Limited | Nasal assembly |
EP1624937A1 (en) * | 2003-05-16 | 2006-02-15 | Intertechnique | Respirator mask with hygienic protection |
US20060032504A1 (en) * | 2004-06-03 | 2006-02-16 | David Burton | Adaptable breathing mask |
US20060191538A1 (en) * | 2001-10-22 | 2006-08-31 | Map Medizin-Technologie Gmbh | Application device for breathing mask arrangement |
US20060196509A1 (en) * | 2000-05-15 | 2006-09-07 | Resmed Limited | Respiratory mask having gas washout vent & gas washout vent assembly for a respiratory mask |
US7290546B2 (en) | 2002-03-22 | 2007-11-06 | Invacare Corporation | Nasal mask |
US7320323B2 (en) | 2001-10-22 | 2008-01-22 | Map Medizin-Technologie Gmbh | Breathing mask device and application device and frontal support device thereof |
US20080066761A1 (en) * | 2006-09-18 | 2008-03-20 | Invacare Corporation | Breathing mask |
US20120199130A1 (en) * | 2009-10-21 | 2012-08-09 | Guillaume Euvrard | Hygienic mask for aircraft crewmember and a mask assembly comprising the hygienic mask |
US8353294B2 (en) | 2004-06-16 | 2013-01-15 | Resmed Limited | Respiratory mask assembly |
US8479776B2 (en) | 2011-11-04 | 2013-07-09 | Blue Gentian, Llc | Expandable garden hose |
US8485192B2 (en) | 2005-01-12 | 2013-07-16 | Resmed Limited | Cushion for patient interface |
US8505535B2 (en) | 2003-05-02 | 2013-08-13 | Resmed Limited | Mask system |
US8517023B2 (en) | 2007-01-30 | 2013-08-27 | Resmed Limited | Mask system with interchangeable headgear connectors |
US8522785B2 (en) | 2002-08-05 | 2013-09-03 | Resmed Limited | Inextensible headgear and CPAP or ventilator mask assembly with the same |
US8522784B2 (en) | 2008-03-04 | 2013-09-03 | Resmed Limited | Mask system |
US8757213B2 (en) | 2011-11-04 | 2014-06-24 | Blue Gentian, Llc | Commercial hose |
US8869797B2 (en) | 2007-04-19 | 2014-10-28 | Resmed Limited | Cushion and cushion to frame assembly mechanism for patient interface |
US8944061B2 (en) | 2005-10-14 | 2015-02-03 | Resmed Limited | Cushion to frame assembly mechanism |
US9072853B2 (en) | 2001-09-07 | 2015-07-07 | Resmed Limited | Forehead pad for respiratory mask |
US9381316B2 (en) | 2005-10-25 | 2016-07-05 | Resmed Limited | Interchangeable mask assembly |
US9802021B2 (en) | 2002-12-06 | 2017-10-31 | Fisher & Paykel Healthcare Limited | Mouthpiece |
USD823455S1 (en) | 2017-02-23 | 2018-07-17 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
USD823454S1 (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 |
US10174870B2 (en) | 2011-11-04 | 2019-01-08 | Telebrands Corp. | Expandable and contractible garden hose |
US10357627B2 (en) | 2013-03-04 | 2019-07-23 | Fisher & Paykel Healthcare Limited | Patient interfaces with condensation reducing or compensating arrangements |
US10518054B2 (en) | 2014-08-25 | 2019-12-31 | Fisher & Paykel Healthcare Limited | Respiratory mask and related portions, components or sub-assemblies |
US10603456B2 (en) | 2011-04-15 | 2020-03-31 | Fisher & Paykel Healthcare Limited | Interface comprising a nasal sealing portion |
US10668242B2 (en) | 2013-04-26 | 2020-06-02 | Fisher & Paykel Healthcare Limited | Headgear for breathing mask |
USD894394S1 (en) * | 2020-05-12 | 2020-08-25 | Shenzhen Aidiansheng Technology Co., Ltd. | Breathing filter |
US10828441B2 (en) | 2011-04-15 | 2020-11-10 | Fisher & Paykel Healthcare Limited | Interface comprising a rolling nasal bridge portion |
US10946155B2 (en) | 2012-09-04 | 2021-03-16 | Fisher & Paykel Healthcare Limited | Valsalva mask |
US11331447B2 (en) | 2008-03-04 | 2022-05-17 | ResMed Pty Ltd | Mask system with snap-fit shroud |
US11351323B2 (en) | 2014-11-14 | 2022-06-07 | Fisher & Paykel Healthcare Limited | Patient interface for PAP therapy with rigid headgear connection elements |
US11419999B2 (en) | 2013-08-05 | 2022-08-23 | Fisher & Paykel Healthcare Limited | Seal for a patient interface, interface assemblies and aspects thereof |
US11701486B2 (en) | 2014-06-17 | 2023-07-18 | Fisher & Paykel Healthcare Limited | Patient interfaces |
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1964
- 1964-12-28 US US421435A patent/US3315674A/en not_active Expired - Lifetime
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US2681060A (en) * | 1952-03-10 | 1954-06-15 | Melvin E Swindell | Dust mask |
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Cited By (248)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4815456A (en) * | 1987-07-20 | 1989-03-28 | Cosentino Leonard J | Hygienic device |
WO1990002582A1 (en) * | 1988-09-14 | 1990-03-22 | Puritan-Bennett Corporation | Crew oxygen mask and hose stowage unit |
USH1361H (en) * | 1992-05-06 | 1994-10-04 | The United States Of America As Represented By The Secretary Of The Army | Softshell protective mask |
US6123071A (en) * | 1993-06-18 | 2000-09-26 | Resmed Limited | Facial masks for assisted respiration or CPAP |
US5452712A (en) * | 1995-01-13 | 1995-09-26 | Richardson; James M. | Disposable smoke hood with mask and dual strap arrangement |
EP0747078A2 (en) * | 1995-06-06 | 1996-12-11 | RESPIRONICS Inc. | Nasal mask |
EP0747078A3 (en) * | 1995-06-06 | 1997-07-30 | Respironics Inc | Nasal mask |
US5724965A (en) * | 1995-06-06 | 1998-03-10 | Respironics Inc. | Nasal mask |
US9421339B2 (en) | 1996-07-26 | 2016-08-23 | Resmed Limited | Patient interface |
US20050022818A1 (en) * | 1996-07-26 | 2005-02-03 | Resmed Limited | Cushion and mask therefor |
US20070261697A1 (en) * | 1996-07-26 | 2007-11-15 | Resmed Limited | Cushion and mask therefor |
US7069933B2 (en) | 1996-07-26 | 2006-07-04 | Resmed Limited | Breathing mask and mask cushion therefor |
US9463295B2 (en) | 1996-07-26 | 2016-10-11 | Resmed Limited | Mask and mask cushion therefor |
US6112746A (en) * | 1996-07-26 | 2000-09-05 | Resmed Limited | Nasal mask and mask cushion therefor |
US6701927B2 (en) | 1996-07-26 | 2004-03-09 | Resmed Limited | Full-face mask and mask cushion therefor |
US20070107735A1 (en) * | 1996-07-26 | 2007-05-17 | Resmed Limited | Mask |
US8813748B2 (en) | 1996-07-26 | 2014-08-26 | Resmed Limited | Full-face mask and mask cushion therefor |
US6357441B1 (en) | 1996-07-26 | 2002-03-19 | Resmed Limited | Nasal mask and mask cushion therefor |
US6871649B2 (en) | 1996-07-26 | 2005-03-29 | Resmed Limited | Nasal mask cushion assembly |
US7243651B2 (en) | 1996-07-26 | 2007-07-17 | Resmed Limited | Cushion and mask therefor |
US7178527B2 (en) | 1996-07-26 | 2007-02-20 | Resmed Limited | Nasal mask and mask cushion therefor |
US7950392B2 (en) | 1996-07-26 | 2011-05-31 | Resmed Limited | Cushion and mask therefor |
US8522783B2 (en) | 1996-07-26 | 2013-09-03 | Resmed Limited | Cushion and mask therefor |
US6513526B2 (en) | 1996-07-26 | 2003-02-04 | Resmed Limited | Full-face mask and mask cushion therefor |
USD498529S1 (en) | 1996-07-26 | 2004-11-16 | Resmed Limited | Portion of a cushion for use with a mask assembly in the application of continuous positive airway pressure (CPAP) |
US8636006B2 (en) | 1996-07-26 | 2014-01-28 | Resmed Limited | Mask |
US8056561B2 (en) | 1996-07-26 | 2011-11-15 | Resmed Limited | Full-face mask and mask cushion therefor |
US20040094159A1 (en) * | 1996-07-26 | 2004-05-20 | Resmed Limited | Breathing mask and mask cushion therefor |
US6581602B2 (en) | 1996-07-26 | 2003-06-24 | Resmed Limited | Nasal mask and mask cushion therefor |
US6634358B2 (en) | 1996-07-26 | 2003-10-21 | Resmed Limited | Nasal mask cushion assembly |
US8997739B2 (en) | 1996-10-16 | 2015-04-07 | Resmed Limited | Vent valve apparatus |
US9770571B2 (en) | 1996-10-16 | 2017-09-26 | Resmed Limited | Vent valve assembly |
US7059325B2 (en) | 1996-10-16 | 2006-06-13 | Resmed Limited | Vent assembly |
US20050166923A1 (en) * | 1996-10-16 | 2005-08-04 | Resmed Limited | Vent assembly |
US6889692B2 (en) | 1996-10-16 | 2005-05-10 | Resmed Limited | Vent valve assembly |
US20060185674A1 (en) * | 1996-10-16 | 2006-08-24 | Resmed Limited | Vent valve apparatus |
US6006748A (en) * | 1996-10-16 | 1999-12-28 | Resmed Limited | Vent valve apparatus |
US6044844A (en) * | 1996-12-02 | 2000-04-04 | Resmed Limited | Mask and harness assembly |
US20070267021A1 (en) * | 1996-12-02 | 2007-11-22 | Resmed Limited | Harness assembly for a nasal mask |
US7036508B2 (en) | 1996-12-02 | 2006-05-02 | Resmed Limited | Harness assembly for a nasal mask |
US6494207B1 (en) * | 1996-12-02 | 2002-12-17 | Resmed Limited | Harness assembly for a nasal mask |
US6029660A (en) * | 1996-12-12 | 2000-02-29 | Resmed Limited | Substance delivery apparatus |
US5896857A (en) * | 1996-12-20 | 1999-04-27 | Resmed Limited | Valve for use in a gas delivery system |
US6561191B1 (en) | 1997-02-10 | 2003-05-13 | Resmed Limited | Mask and a vent assembly therefor |
US6561190B1 (en) | 1997-02-10 | 2003-05-13 | Resmed Limited | Mask and a vent assembly therefor |
US7845354B2 (en) | 1997-02-10 | 2010-12-07 | Resmed Limited | Mask and vent assembly therefor |
US7207335B2 (en) | 1997-02-10 | 2007-04-24 | Resmed Limited | Mask and vent assembly therefor |
US20070101998A1 (en) * | 1997-02-10 | 2007-05-10 | Resmed Limited | Respiratory mask assembly with vent |
US8826910B2 (en) | 1997-02-10 | 2014-09-09 | Resmed Limited | Mask and vent assembly therefor |
US8122886B2 (en) | 1997-02-10 | 2012-02-28 | Resmed Limited | Respiratory mask assembly with vent |
US8833371B2 (en) | 1997-02-10 | 2014-09-16 | Resmed Limited | Mask and vent assembly therefor |
USD435650S (en) * | 1997-02-25 | 2000-12-26 | Resmed Limited | Combined nasal mask shell and cushion |
USD423096S (en) * | 1997-02-25 | 2000-04-18 | Resmed Limited | Nasal mask cushion |
USD428987S (en) * | 1997-02-25 | 2000-08-01 | Resmed Limited | Nasal mask shell |
US6463931B1 (en) | 1998-01-16 | 2002-10-15 | Resmed Limited | Forehead support for facial mask |
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US6997188B2 (en) | 1998-01-16 | 2006-02-14 | Resmed Limited | Forehead support for facial mask |
US20060011202A1 (en) * | 1998-01-16 | 2006-01-19 | Resmed Limited | Forehead support for facial mask |
USD807497S1 (en) | 1998-01-16 | 2018-01-09 | Resmed Limited | Pad for forehead support |
USD782028S1 (en) | 1998-01-16 | 2017-03-21 | Resmed Limited | Pad for forehead support |
US7882837B2 (en) | 1998-01-16 | 2011-02-08 | Resmed Limited | Forehead support for facial mask |
US20110094517A1 (en) * | 1998-01-16 | 2011-04-28 | Resmed Limited | Forehead support for facial mask |
US6691708B2 (en) | 1998-01-16 | 2004-02-17 | Resmed Limited | Forehead support for facial mask |
US6557556B2 (en) | 1998-01-16 | 2003-05-06 | Resmed Limited | Forehead support for facial mask |
US20040060561A1 (en) * | 1998-01-16 | 2004-04-01 | Resmed Limited | Forehead support for facial mask |
US7942149B2 (en) | 1999-03-29 | 2011-05-17 | Resmed Limited | Forehead support for a facial mask |
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