GB2379886A - Face masks - Google Patents
Face masks Download PDFInfo
- Publication number
- GB2379886A GB2379886A GB0210044A GB0210044A GB2379886A GB 2379886 A GB2379886 A GB 2379886A GB 0210044 A GB0210044 A GB 0210044A GB 0210044 A GB0210044 A GB 0210044A GB 2379886 A GB2379886 A GB 2379886A
- Authority
- GB
- United Kingdom
- Prior art keywords
- face mask
- ring member
- mask according
- canopy
- ring
- 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.)
- Granted
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
- A61M16/06—Respiratory or anaesthetic 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
- A41D13/1161—Means for fastening to the user's head
- A41D13/1169—Means for fastening to the user's head using adhesive
- A41D13/1176—Means for fastening to the user's head using adhesive forming a complete seal at the edges of the mask
-
- 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
- A61M16/0688—Holding devices therefor by means of an adhesive
Abstract
A face mask is provided in two parts. One part is an adhesive ring 1 that is secured around the nose 4 and mouth 3 of the user. The other part is a transparent canopy 2 with a gas port 21 that is a removable clip fit with the ring. When ventilation is not required, the canopy 2 is removed, leaving the ring 1 in position. The canopy 2 can be clipped back onto the ring 1 when ventilation is required.
Description
FACE MASKS
This invention relates to face masks for use in supplying breathing gas.
A conventional face mask has a cone-shape canopy with a soft cuff extending around its edge, which is applied against the skin of the patient around the nose and mouth. A port opens into the interior of the canopy so that air or other gas can be supplied to the patient's nose and mouth. Face masks are also used to supply breathing gas to pilots and, for example, to people working in a hazardous atmosphere. Usually, these face masks are held against the face manually or by means of a strap extending around the patient's head. The pressure needed to ensure an effective seal can cause damage to the patient's skin. It can also be difficult to achieve an effective seal without applying manual pressure and this is a disadvantage because it occupies a nurse or clinician. Facial hair can make it even more difficult to achieve a good seal. Alternatively, it has been proposed in US3357426 and WO99/25410 that a face mask be secured to the patient's face by means of an adhesive.
Although adhesive attachment has certain advantages, it is not generally suitable where the mask needs to be repeatedly applied to and removed from the face.
It is an object of the present invention to provide an alternative face mask.
According to the present invention there is provided a face mask comprising a ring member adapted to be secured on the face and extend around the openings of the nose and or alternatively the mouth of a user, and a canopy member having a gas port and a peripheral edge adapted to make a removable sealing connection with the ring member such that the
canopy member can be removed from the ring member to leave the ring member secured on the face.
The ring member preferably has an adhesive on a surface facing the skin. The adhesive is preferably a mouldable material and may be a gel or putty and may be a material that sets on exposure to air. The ring member may include a key and keyway engaged by the adhesive. The ring member and canopy preferably have interengaging surface formations, such as a channel and an edge inserted in the channel. The ring member may be shaped to extend around both the mouth and the openings of the nose, or it may be shaped to extend around just the mouth or just the openings of the nose. The canopy is preferably transparent.
A face mask according to the present invention, will now be described, by way of example, with reference to the accompanying drawings, in which: Figure 1 is a perspective view of mask in two parts before use; Figure 2 shows the face mask ring applied to the face; Figure 3 is a perspective view showing connection/disconnection of the two parts of the mask; Figure 4 is a sectional view across the interconnection of the ring and canopy; and
Figure 5 shows a modification of the mask.
With reference to Figures 1 to 4, the face mask comprises two separate parts that can be connected or disconnected as desired, namely a ring member 1 and a canopy member 2.
The ring member 1 forms a complete loop of pear shape that, in use, encompasses the mouth 3 and nostrils of the nose 4 of the patient. The ring member 1 is relatively shallow and comprises a relatively soft, bendable plastics frame 10 of substantially triangular section supporting an adhesive flange 11 on its lower surface. The flange 11 is made of a soft, putty-
like gel material that sets to a rubbery consistency when exposed to air. This material could be of the kind used to form dental impressions. The flange 11 is retained with the frame 10 by means of key and key-way shape formations 12 and 13 (Fig 4) around the lower edge of the frame so that the flange material fills the key-ways to resist removal. Before use, the flange 11 is protected from air by a removable release strip or cover 14 that can be peeled off before use (Figure 1). The upper end of the frame 10 has a recess or channel 15 formed around the ring member 1, the channel having a laterally enlarged portion 16 at its lower end.
The canopy member 2 is of a relatively stiff, transparent plastics material and is shaped like a conventional face mask with a generally oval, domed surface the highest point 20 of which is displaced towards the end of the canopy closer the mouth 3. At this point 20, the canopy member 2 has a gas port opening 21 provided by an outwardly-projecting coupling 22 shaped to receive a cooperating coupling 23 at the end of ventilation tubing 24.
Around its lower edge 25, the canopy has an enlarged bead 26. The lower edge 25 of the
canopy member 2 and the channel 15 of the ring member l are shaped to fond a mechanical interconnection by engagement of the bead 26 in the enlarged portion 16 of the channel.
The ring l can be fitted to the patient's face before connecting the canopy 2. The release strip 14 is removed so that the adhesive flange l l is exposed and the ring 1 is pressed down onto the patient's face, around the mouth 3 and across the bridge of the nose 4 above the nostril openings. The ring 1 can be bent so that the adhesive flange l l is urged into close contact with the skin surface to achieve an effective seal. When released, the ring 1 resumes its natural shape with any variations in contour between the skin surface and the lower surface of the ring being accommodated by deformation of the adhesive or the skin. The relatively thick, putty-like nature of the uncured adhesive l l enables facial hair 30 to extend within the thickness of the adhesive and allows the adhesive to contact the skin surface. After a short period of time the adhesive l l cures to a rubbery consistency forming an effective mechanical bond and gas-tight seal with the skin.
The clinician then takes the canopy 2 with the ventilation tubing 24 attached and holds it up to the ring l, aligning the bead 26 on the canopy with the channel 15 in the ring.
The canopy 2 is pushed firmly against the ring l so that the bead 26 snaps as a push fit into the enlarged portion 16 of the channel 15. The engagement of the bead 26 in the channel l S forms a secure mechanical connection between the canopy 2 and the ring 1 and forms an effective gas seal. This connection is sufficient to hold the face mask securely on the face in normal use.
The canopy 2 can be removed from the ring 1 whenever required, either by the clinician or the patient himself, simply by peeling the canopy away from the ring at one end.
The canopy 2 can subsequently be replaced on the ring if ventilation is needed again.
The face mask enables reliable ventilation via the mouth and nose without the need for continuous manual pressure and without the need for swaps or the like, which can cause skin damage after prolonged use. The mask can be readily removed and replaced without compromising the effectiveness of the seal. The mask is particularly useful for patients with facial hair.
The face mask need not necessarily fit around the openings of both the nose and mouth. It could, for example, fit around only the mouth or, as shown in Figure 5, around only the nose 4. In this arrangement, the ring 1' is smaller and is secured to the skin of the face around the nose 4, above the mouth 3. The canopy 2' is shaped to cover only the nose 4, leaving sufficient clearance for gas flow. The canopy 2' clips onto the ring 1' in the same way as the larger combined nose and mouth face mask shown in Figures 1 to 4.
Claims (15)
1. A face mask comprising a ring member adapted to be secured on the face and extend around the openings of the nose and or alternatively the mouth of a user, and a canopy member having a gas port and a peripheral edge adapted to make a removable sealing connection with said ring member such that the canopy member can be removed from the ring member to leave the ring member secured on the face.
2. A face mask according to Claim 1, wherein the ring member has an adhesive on a
surface facing the skin.
3. A face mask according to Claim 2, wherein the adhesive is a mouldable material.
4. A face mask according to Claim 2 or 3, wherein the adhesive is a gel or putty.
5. A face mask according to any one of Claims 2 to 4, wherein the adhesive is a material that sets on exposure to air.
6. A face mask according to any one of Claims 2 to 5, wherein the ring member includes a key and keyway engaged by the adhesive.
7. A face mask according to any one of the preceding claims, wherein the ring member and the canopy have interengaging surface formations.
8. A face mask according to Claim 7, wherein the interengaging surface formations include a channel and an edge inserted in the channel.
9. A face mask according to any one of the preceding claims, wherein the ring member is shaped to extend around both the mouth and the openings of the nose.
10. A face mask according to any one of Claims 1 to 8, wherein the ring member is shaped to extend around just the mouth.
A face mask according to any one of Claims 1 to 8, wherein the ring is shaped to extend around just the openings of the nose.
12. A face mask according to any one of the preceding claims, wherein the canopy is transparent.
13. A face mask substantially as hereinbefore described with reference to Figures 1 to 4 of the accompanying drawings.
14. A face mask substantially as hereinbefore described with reference to Figures 1 to 4 as modified by Figure 5 of the accompanying drawings.
15. Any novel and inventive feature or combination of features as hereinbefore described.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0114368.4A GB0114368D0 (en) | 2001-06-07 | 2001-06-07 | Face masks |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0210044D0 GB0210044D0 (en) | 2002-06-12 |
GB2379886A true GB2379886A (en) | 2003-03-26 |
GB2379886B GB2379886B (en) | 2004-08-18 |
Family
ID=9916471
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB0114368.4A Ceased GB0114368D0 (en) | 2001-06-07 | 2001-06-07 | Face masks |
GB0210044A Expired - Fee Related GB2379886B (en) | 2001-06-07 | 2002-05-02 | Face masks |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB0114368.4A Ceased GB0114368D0 (en) | 2001-06-07 | 2001-06-07 | Face masks |
Country Status (4)
Country | Link |
---|---|
US (1) | US6851429B2 (en) |
DE (1) | DE10224067A1 (en) |
FR (1) | FR2825639B1 (en) |
GB (2) | GB0114368D0 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003090827A1 (en) * | 2002-04-23 | 2003-11-06 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly |
EP1516643A1 (en) * | 2003-09-17 | 2005-03-23 | Fisher & Paykel Healthcare Limited | Breathing mask with moisture permeable area |
US7011090B2 (en) * | 2001-09-07 | 2006-03-14 | Resmed Limited | Elbow for mask assembly |
US7047972B2 (en) | 2002-04-23 | 2006-05-23 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US7874293B2 (en) | 2003-02-21 | 2011-01-25 | Resmed Limited | Nasal assembly |
US7934501B2 (en) | 2004-07-23 | 2011-05-03 | Resmed Limited | Swivel elbow for a patient interface |
US8042542B2 (en) | 2002-04-23 | 2011-10-25 | Resmed Limited | Respiratory mask assembly with magnetic coupling to headgear assembly |
US9802018B2 (en) | 2002-04-23 | 2017-10-31 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with frame |
US10232137B2 (en) | 2014-05-22 | 2019-03-19 | Resmed Limited | Patient interface |
Families Citing this family (70)
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US20070050883A1 (en) * | 2002-01-18 | 2007-03-08 | Matich Ronald D | Face mask with seal and neutralizer |
GB0205447D0 (en) * | 2002-03-08 | 2002-04-24 | Smiths Group Plc | Mask apparatus |
EP2345447A1 (en) * | 2002-03-22 | 2011-07-20 | Invacare Corporation | Nasal mask and cushion |
USD485905S1 (en) | 2002-08-09 | 2004-01-27 | Resmed Limited | Nasal mask |
CN100592926C (en) | 2002-09-06 | 2010-03-03 | 雷斯梅德有限公司 | Cushion for a respiratory mask assembly |
NZ568057A (en) | 2002-11-06 | 2010-03-26 | Resmed Ltd | Mask and components thereof |
US7621274B2 (en) * | 2003-03-22 | 2009-11-24 | Invacare Corporation | Nasal mask |
KR100514662B1 (en) * | 2003-05-19 | 2005-09-16 | 이시원 | Face mask |
DE10323756B4 (en) * | 2003-05-22 | 2005-09-08 | Philipp Boris Rager | Method for increasing the accuracy of fit of a breathing mask and its use |
WO2005053781A1 (en) * | 2003-12-08 | 2005-06-16 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
CN101628142B (en) | 2003-12-31 | 2014-03-26 | 雷斯梅德有限公司 | Compact oronasal patient interface |
JP4787243B2 (en) | 2004-06-03 | 2011-10-05 | レスメド・リミテッド | Cushion for patient intermediate attachment |
DE102004030069B3 (en) * | 2004-06-23 | 2005-12-22 | Drägerwerk AG | Respiratory mask with an adhesive seal |
US8757150B2 (en) * | 2004-12-17 | 2014-06-24 | Ric Investments, Llc | Condensation reduction and management systems in a gas flow delivery system |
DE202006021256U1 (en) | 2005-01-12 | 2014-05-05 | Resmed Limited | Upholstery for patient interface |
DE102005059694A1 (en) * | 2005-05-27 | 2007-01-18 | Weinmann Geräte für Medizin GmbH & Co. KG | Respirator mask, comprising duct for used air leading through connecting component to forehead support |
SE0502243L (en) * | 2005-10-13 | 2006-12-27 | Aga Ab | evacuation systems |
US8397728B2 (en) | 2005-10-14 | 2013-03-19 | Resmed Limited | Cushion to frame assembly mechanism |
NZ612787A (en) | 2005-10-25 | 2015-01-30 | Resmed Ltd | Interchangeable mask assembly |
DE102006041038A1 (en) * | 2006-03-31 | 2007-10-04 | Weinmann Geräte für Medizin GmbH + Co. KG | Mask e.g. nasal mask, for e.g. respiration, has structural parts such as mask base body, connecting piece and securing ring, formed in modular system and developed such that structural parts are used for different types of masks |
US7900626B2 (en) * | 2006-04-17 | 2011-03-08 | Daly Robert W | Method and system for controlling breathing |
US8381732B2 (en) * | 2008-03-21 | 2013-02-26 | The Periodic Breathing Foundation, Llc | Nasal interface device |
JP4880686B2 (en) * | 2006-06-20 | 2012-02-22 | パナソニック株式会社 | Coupling lens, optical head, and optical disc apparatus |
US8874251B2 (en) * | 2006-07-06 | 2014-10-28 | Airway Technologies, Llc | System and method for forming a custom medical mask from a three-dimensional electronic model |
CN101495170B (en) | 2006-07-28 | 2013-05-29 | 雷斯梅德有限公司 | Delivery of respiratory therapy |
NZ721025A (en) | 2006-07-28 | 2018-01-26 | Resmed Ltd | Delivery of respiratory therapy |
US20080053450A1 (en) * | 2006-08-31 | 2008-03-06 | Nellcor Puritan Bennett Incorporated | Patient interface assembly for a breathing assistance system |
US8028698B2 (en) | 2006-09-18 | 2011-10-04 | Invacare Corporation | Breathing mask |
EP2101855B1 (en) | 2006-12-15 | 2013-08-21 | ResMed Limited | Respiratory Mask |
US8517023B2 (en) * | 2007-01-30 | 2013-08-27 | Resmed Limited | Mask system with interchangeable headgear connectors |
NZ589685A (en) | 2007-04-19 | 2012-06-29 | Resmed Ltd | Cushion for patient breathing interface with variable density foam supported membrane |
US20080302365A1 (en) * | 2007-06-08 | 2008-12-11 | Cohen Eric D | Respiratory Mask |
EP2022528B1 (en) | 2007-07-30 | 2016-03-09 | Resmed Limited | Patient interface |
WO2009073817A1 (en) * | 2007-12-06 | 2009-06-11 | Cpair, Inc. | Breathing mask with sticky edge |
NZ735524A (en) | 2008-03-04 | 2019-05-31 | ResMed Pty Ltd | An interface including a foam cushioning element |
EP2259827B1 (en) | 2008-03-04 | 2019-10-30 | ResMed Pty Ltd | A foam respiratory mask |
US11331447B2 (en) | 2008-03-04 | 2022-05-17 | ResMed Pty Ltd | Mask system with snap-fit shroud |
EP2259826B1 (en) | 2008-03-04 | 2020-12-16 | ResMed Pty Ltd | Mask assembly |
US11305082B2 (en) | 2008-05-29 | 2022-04-19 | Naturs Design, Inc. | Liner for use with respiratory mask |
US10071216B2 (en) | 2008-05-29 | 2018-09-11 | Naturs Design, Inc. | Liner for use with respiratory mask |
US9901699B2 (en) * | 2008-06-04 | 2018-02-27 | Resmed Limited | Pad for a mask |
EP2130563B1 (en) * | 2008-06-04 | 2012-02-15 | ResMed Limited | Patient interface systems |
US8905031B2 (en) | 2008-06-04 | 2014-12-09 | Resmed Limited | Patient interface systems |
US9999738B2 (en) | 2008-07-24 | 2018-06-19 | Resmed Limited | Gel cushion pad for mask |
CA2941584C (en) | 2008-09-12 | 2019-03-05 | Resmed Ltd | A foam-based interfacing structure method and apparatus |
EP2213324B1 (en) | 2009-01-30 | 2016-07-27 | ResMed R&D Germany GmbH | Patient interface structure and method/tool for manufacturing same |
CN105771053B (en) * | 2009-11-20 | 2020-03-13 | 瑞思迈私人有限公司 | Mask system |
DE102010040771A1 (en) * | 2010-09-14 | 2012-03-15 | Medin Medical Innovations Gmbh | Respiratory mask, respiratory mask arrangement, ventilation system and packaging unit |
WO2012058727A2 (en) * | 2010-11-05 | 2012-05-10 | Resmed Limited | Acoustic detection mask systems and/or methods |
US8910635B2 (en) | 2011-05-11 | 2014-12-16 | Carefusion 207, Inc. | Lateral gas line configuration |
US9022029B2 (en) | 2011-05-11 | 2015-05-05 | Carefusion 207, Inc. | Carbon-dioxide sampling system for accurately monitoring carbon dioxide in exhaled breath |
JP2015518774A (en) * | 2012-06-06 | 2015-07-06 | ザ ペリオディック ブリージング ファウンデーション, インコーポレイテッド | Disposable respirator with adhesive gasket |
US10357626B1 (en) | 2013-07-23 | 2019-07-23 | Bruce O. Baker | Liner for a respirator mask |
US9974913B2 (en) * | 2014-03-24 | 2018-05-22 | Gemguardian, LLC | Respiration mask interface seal |
WO2015172315A1 (en) * | 2014-05-13 | 2015-11-19 | Honeywell International Inc. | Reusable mask with filter with elastic edge |
USD810926S1 (en) | 2014-06-27 | 2018-02-20 | Bruce O. Baker | Liner for respirator mask |
CN106690516A (en) * | 2015-11-12 | 2017-05-24 | 江阴嘉美生物技术有限公司 | Strong-softness antibacterial filtering gauze mask |
JP7261585B2 (en) * | 2015-12-14 | 2023-04-20 | コーニンクレッカ フィリップス エヌ ヴェ | Support member for cushion of respiratory interface device |
USD849236S1 (en) | 2016-12-19 | 2019-05-21 | Bruce O. Baker | Liner for respirator mask |
US11642482B2 (en) * | 2018-03-27 | 2023-05-09 | Naturs Design, Inc. | Liner and retaining member for use with respiratory mask |
GB2575050B (en) * | 2018-06-26 | 2022-09-14 | Draeger Safety Uk Ltd | Connection apparatus for breathing apparatus |
US20200197646A1 (en) * | 2018-12-21 | 2020-06-25 | Koninklijke Philips N.V. | Bi-material sealing arrangement and patient interface device including same |
US11484677B2 (en) * | 2019-03-28 | 2022-11-01 | Koninklijke Philips N.V. | Adhesive patient interface assembly with removal tabs |
US20210187233A1 (en) * | 2019-12-19 | 2021-06-24 | Koninklijke Philips N.V. | Adhesive skin application system |
US11648363B2 (en) * | 2020-04-02 | 2023-05-16 | Alphonso Quinones | Positive pressure ventilation apparatus and positive pressure mask |
US11253051B2 (en) | 2020-06-26 | 2022-02-22 | Savage Brands, Inc. | Protective case for face mask |
IT202000007864A1 (en) * | 2020-04-14 | 2020-07-14 | Andrea Annunziato Campitelli | Lightweight multipurpose and reusable face mask as personal protective equipment, surgical mask or for respiratory therapy |
US20210379311A1 (en) * | 2020-06-08 | 2021-12-09 | Koninklijke Philips N.V. | Sealing arrangement for forming a seal between a patient and a patient interface device |
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-
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- 2002-05-02 GB GB0210044A patent/GB2379886B/en not_active Expired - Fee Related
- 2002-05-13 US US10/142,978 patent/US6851429B2/en not_active Expired - Lifetime
- 2002-05-28 FR FR0206466A patent/FR2825639B1/en not_active Expired - Fee Related
- 2002-05-31 DE DE10224067A patent/DE10224067A1/en not_active Withdrawn
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Cited By (41)
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---|---|---|---|---|
US7316230B2 (en) | 2001-09-07 | 2008-01-08 | Resmed Limited | Elbow for mask assembly |
US9821134B2 (en) | 2001-09-07 | 2017-11-21 | Resmed Limited | Elbow for mask assembly |
US8826908B2 (en) | 2001-09-07 | 2014-09-09 | Resmed Limited | Elbow for mask assembly |
US7011090B2 (en) * | 2001-09-07 | 2006-03-14 | Resmed Limited | Elbow for mask assembly |
US10307555B2 (en) | 2002-04-23 | 2019-06-04 | ResMed Pty Ltd | Ergonomic and adjustable respiratory mask assembly with cushion |
US6907882B2 (en) | 2002-04-23 | 2005-06-21 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
US7487772B2 (en) | 2002-04-23 | 2009-02-10 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with elbow assembly |
US11331448B2 (en) | 2002-04-23 | 2022-05-17 | ResMed Pty Ltd | Ergonomic and adjustable respiratory mask assembly with cushion |
US11266804B2 (en) | 2002-04-23 | 2022-03-08 | ResMed Pty Ltd | Ergonomic and adjustable respiratory mask assembly with elbow assembly |
US11110244B2 (en) | 2002-04-23 | 2021-09-07 | ResMed Pty Ltd | Ergonomic and adjustable respiratory mask assembly with elbow assembly |
US7997267B2 (en) | 2002-04-23 | 2011-08-16 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with elbow assembly |
US8042542B2 (en) | 2002-04-23 | 2011-10-25 | Resmed Limited | Respiratory mask assembly with magnetic coupling to headgear assembly |
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US10729867B2 (en) | 2002-04-23 | 2020-08-04 | ResMed Pty Ltd | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
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Also Published As
Publication number | Publication date |
---|---|
US20020185134A1 (en) | 2002-12-12 |
GB0210044D0 (en) | 2002-06-12 |
GB0114368D0 (en) | 2001-08-08 |
FR2825639B1 (en) | 2004-11-05 |
GB2379886B (en) | 2004-08-18 |
FR2825639A1 (en) | 2002-12-13 |
US6851429B2 (en) | 2005-02-08 |
DE10224067A1 (en) | 2002-12-12 |
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PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20120502 |