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Quick donning mask assembly

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Publication number
US2928387A
US2928387A US75966658A US2928387A US 2928387 A US2928387 A US 2928387A US 75966658 A US75966658 A US 75966658A US 2928387 A US2928387 A US 2928387A
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Grant
Patent type
Prior art keywords
mask
side
head
portion
chin
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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Inventor
Thomas J Layne
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Sierra Engineering Co
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Sierra Engineering Co
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • A62B18/08Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/084Means for fastening gas-masks to heads or helmets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • A61M16/0605Means for improving the adaptation of the mask to the patient
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • A61M16/0683Holding devices therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/01Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising

Description

March 15, 1960 r. J. LAYNE QUICK 00mm; MASK ASSEMBLY Filed Sept... 8, 1958 w/za QUICK DONNING' MASK ASSEMBLY Application September 8, 1958,,Serial No. 759,666

4 Claims. (CL 128-141) The invention relates to a breathing and anesthesia mask and has particular reference to av type of mask which finds ready acceptance as a pilots high altitude breathing mask to which may be attached an. oxygen line together with sundry microphone leads. It is also noted that applicants invention has particular reference to the type of mask worn by pilots in high altitude flying, but may be used also by other wearers for the same purposes, and the term pilot is here used as an example term throughout.

In the design and construction of breathing masks, considerable attention has been given to head harnesses for the mask which when in place endeavor with con siderable success to hold the mask in. proper position upon the face in all bodily attitudes, and under circumstances where the wearer, usually a pilot, finds it necessary to move about to a considerable extent at his station..

Although connections of the kind heretofore used have found considerable favor by reason of their security, the harness, as a rule, has been of such. nature that it cannot be adjusted to the face on a moments notice. Indeed, those harnesses currently available for this typeof apparatus have been built with a suificient number of adjustable straps to make the donning of, the mask a somewhat time consuming operation. Occasions arise, however, where either because of an emergency; or because of the necessity of the wearer simultaneously attending to other functions, a mask needs to be applied-in proper position to the face in a very; minimum length of. time, which may, on occasions, be no more than a fraction of Patch a second. Occasions arise, also, where the wearer may be already wearing spectacles or goggles and the time within which the mask must be adjusted is insufiicient to permit removal of the spectacles or goggles before the mask is applied.

It is therefore among the objects of the invention to provide a new and improved quick donning; harness for breathing and anesthesia masks which can be virtually instantaneously applied to. the wearer. by. use of. only one hand.

Another object of theinvention is to provide a new and improved quick donning harness for breathing and anesthesia masks of a character which enables the-mask to be conveniently and comfortably carried close tothe ore-nasal portions of the face, although not necessarily immediately in front of the face,v thereby enabling the mask to be applied over the. oro-nasal portion of. the face with the least possible loss of time;

Another object of the invention is to provide a new and improved quick donning mask assembly which, in addition to enabling the mask to be applied to the face of the wearer in virtually a minimum amount of" time, further assures a comfortable, well-sealed connection between the mask and the face which isiproductive of an increased degree of convenience during theentire interval while it is being Worn, Themaskbeing further suchthat ice 2 7 it can be adjusted to draw snugly and tightly into place without uncomfortable binding.

Still further among the objects of the invention is to provide a new and improved simple and inexpensive quick donning. harness for a breathing and anesthesia mask assembly which in no way interferes with hose and electric cad attachments to the mask, and which is sufiiciently simple in its construction and arrangement to preclude any tanglingof parts during critical stages where the insta-ntaneous application of it might be extremely requisite:

With these and other objects in View, the invention consists in the construction, arrangement and com-bination of the various parts of the device whereby theobjects contemplated are attained, as hereinafter set forth, pointed out in the appended claims and illustrated inthe accompanying drawings.-

In. the drawings:-

Figure 1 is a side elevational view of a wearer with the mask in place andshowing in broken lines the position of the mask when released.

Figure 2 is a bottom view of the quick donning mask assembly, showing the manner of attachment. of the neck straps.

Figure3 is a fragmentary'sectional view.

In an embodimentof the invention chosen for the purpose ofillustration, there is shown a breathing and anesthesia mask comprising an oro-nasal shell 10, having. a shape such as. toprovide an ample space forward of the nose and mouth of a wearer, the shell having an edge 11 around the opening. with the edge somewhat contoured relative to adjacent portions of a face 12 of at wearer whose head is indicated by the" reference character 13, and whose neck is indicated by thereference character 14..

At the lower portion of the oro-nasal shell. 13,. there is provided a fitting. 15 by; means of which there may be attached to the shell anoxygen hose 16 and a microphone lead 17. Surrounding the edge 11 is aresilient pad-1 8 which maybe of sponge or foam rubber or other appropriate soft, plastic material, suificiently firm andv impervious to provide a necessary face gasket seal between the o ro-nasal shell and the face of the wearer.

For attaching the shell and the gasket to the wearer; there is provided a set of harness consisting, in particular, of a pair of neck straps 19 and a head harness indi cated generally by the reference character 20.

The neck straps 1-9 are attached together at rearward ends 21 by means of a releasable connection which m'ay;

for convenience, be a= snap'faste'ner. 22. The neck straps, when worn, extend around the sides of the neck in the area, of the lower jawbone, forwardlyto a position of engagement with-theshell.

The neck strap 19? which. lies: on thhe leftside of; the wearer, as viewed in: Figure. l, has a" forward portion 23 which passes beneaththe lowerportion of the oro nasal shelllti, and connectsto the" shellon the opposite side by means of an attachmenti24which-may be a snap fastener. Similarly the neck strap 19 which lies on the right side of the wearer has a forward portion 24 which crosses the forward portion 23, and is attached theretoby stitching 25. The forward portion 24 terminates in a forward end 25 whichis attached to' the shell by means of an attach ment.26,'.which-likewise-may be a snap'fastener; The end 25, as clearly shownin Figure'2, is on the opposite side of the shell from anend 26 of the other neck strap.

Extending between the forward portions 23 and 24} is a chin supporting strap or strap section 27. This is attached by stitching 28 to the left side n'ecl sti'ap" and likewise stitching-29 to the right side neck strap:

The oro-nasal' shell at the lower portion thereof'in'ay be constructed with a chin ledge 30, at that portion of the edge 11 which lies immediately adjacent to" when in use. Rearwardly of the chin ledge, the resilient pad 18 is specially formed to provide a chin receiving hollow 31 in which the chin may rest as illustrated in Figure 3. It is significant that the chin receivinghollow be formed to comfortably enclose the chinand be so located as to be capable of quickly and effectively catching the chin as the mask is pulled upwardly when donned.

The head harness already identified by the reference character comprises side straps 32, one on each side, which include a take-up adjustment 33 and a hook 34 which is adapted to engage an eye 35 of a swivel bracket 36 which is attached to the appropriate side of the shell.-

Attached to the side straps is a head engaging loop 37 which is designed to extend over the ears of the wearer, and thence around the rear of the head. A head strap 38 is attached by stitching 39 to the side strap on each side at the mid-area which should be at a location which will be adjacent the top of theear of the weare when the apparatus is in place. Preferably, the loop 37, head strap 38, and perhaps a portion of the side strap 30 should have an elastic character, which on occasions may be achieved by making use of an elastic joint 40.

When the mask is not being worn over the face, it can be permitted to hang in the position illustrated by the broken lines in Figure 1. This may be a position immediately below the front of the face, if that is comfortable, or the position may be well toward one side or the other, nearly as far back as the shoulder. As promptly as the mask is to be donned, the wearer moves his chin into position above the chin receiving hollow 31 whether it be at the side or immediately in front. Simultaneously, and with a single motion, the wearer grasps the head harness, either by the loop, the head strap or both, and draws the mask upwardly over the forepart of the face pulling the'chin receiving hollow snugly upwardly so that the appropriate portion of the resilient pad snugly engages the chin. By having the neck straps previously in proper adjustment as to length,

this portion of the donning operation will readily move the lower part of the mask into precisely the right location with respect to the chin and the face. Continuing the motion, the operator then places the loop 37 over the head and toward the rear, to the solid line position illustrated in Figure 1, and at the same time, the head strap 38 falls into place. By reason of the fact that there is elasticity and resiliency in the head harness, this part of the apparatus will draw the resilient pad 18, throughout its perimeter, snugly and comfortably against the face along a line surrounding the mouth, the sides 'of the nose, and bridge of the nose as well as beneath the chin.

As is clearly indicated, the donning can be achieved even though the wearer be wearing spectacles or goggles, since the construction and resiliency of the head harness permits the head harness to be readily applied over such appurtenances without dislodging them and without interfering with the application of the head harness to the wearer. Obviously,'further the neck straps are in such close proximity to their final position that there is no interference with their proper location during the donning operation. Furthermore, because of the locations where the head harness and neck straps are attached to the shell, the oxygen hose and microphone lead may dangle freely and without interference in a convenient position. By having the head harness hang over the forepart of the shell when not in use, the head harness hangs free of the oxygen hose and microphone lead and thereafter when the mask is to be quickly donned, there is no'interference of these parts with each other.

By reason of the arrangement of the fastening means shown and described, it will be clear that the critical oxygen supplying mask may be hung conveniently and comfortably as close to the wearer's oral and nasal passages as need be and that being hung in such close proximity,.the mask .can be donned in a small fraction of a second with but one hand. The simplicity of construction and ruggedness of arrangement is such that a substantially maximum degree of security of the mask in position on the face is achieved.

While I have herein shown and described my invention in what I have conceived to be the most practical and preferred embodiment, it is recognized that departures may be made therefrom within the scope of my invention, which is not to be limiteclto the details disclosed herein, but isto be accorded the full scope of the claims so as to embrace any and all equivalent devices.

Having described my invention, what I claim as new and desire to secureby Letters Patent is:

1. A quick donning breathing mask assembly comprising an oro-nasal shell having a face-receiving opening at one side, a pad around the edge of said opening forming a face gasket seal, and aservice attachment on the shell, a lower portion of said pad having a chin receiving hollow, a neck attachment for the'mask assembly including a forward portion secured to the mask assembly beneath the chin portions and extending rearwardly of the wearer and a releasable connection between portions of said neck attachment, a head harness comprising side straps having forward ends secured to upper sides of said mask assembly, said side straps being joined at rearward ends forming a head-engaging loop, and a head strap joined at opposite ends to said side straps, said mask when hanging on a wearer by the neck attachment being adjustable to operating position on the wearer by the passing of the head harness over the headwhile the chinreceiving hollow is engaged under the chin.

2. A quick donning breathing mask assembly comprising an oro-nasal shell having a face-receiving opening at one side, a resilient pad around the edge of said opening forming a face gasket seal, and a service attachment at a lower portion of the shell, a lower portion of said pad having a chin receiving hollow, a neck attachment for the mask assembly including a forward portion secured to the mask assembly beneath the chin receiving hollow, side portions attached to the forward portion and extending 'rearwardly of the wearer, and a releasable connection between portions of said neck attachment, a head harness comprising adjustable side ,straps having forward ends secured to upper sides of said mask assembly, said side straps being joined at rearward ends forming a head-engaging loop, a head strap joined at opposite ends to said sidestraps substantially at mid-portions, said straps including elastic sections,- said mask when hanging by the neck attachment being adjustable to operating position on the wearer by the passing of the head harness over the head while the chin-receiving hollow is engaged under the chin.

3. A quick donning breathing mask comprising an emnasal shell having a face-receiving opening at one side, a resilient pad around the edge of said opening forming a face gasket seal, and a service attachment at a lower portion of the shell for an oxygen tube and microphone leads, said shell having a chin ledge at the lower portion thereof between the attachment and an edge portion of said opening, a lower portion of said pad having a chin receiving hollow adjacent said ledge, a neck strap having' forward portions forming a reinforcement beneath said hollow and having ends attached to said shell on opposite sides, a chin supporting portion of thestrap attached to said neck straps rearwardly of the area of intersection and secured against said lower portion of the pad, side portions connected to the forward portions and a'releasable attachment between ends of said side portions, a substantially elastic head harness comprising adjustable side straps having forward ends secured to .upper'sides of said shell, said side straps being joined at rearward ends forming a head-engaging loop, and a head strap joined at opposite ends to said side straps sub stantially at mid-portions thereof, said mask when hanging on a wearer by the neck strap being adjustable to operating position on the wearer by the passing of the head harness over the head while the chinqeceivinghollow is engaged under the chin.

4. A quick donning breathing mask comprising an orcnasal shell having a face-receiving opening at one side, a resilient pad around the edge of said opening forming a face gasket seal, and an attachment at a lower portion of the shell for an oxygen tube and microphone leads, said shell having a chin ledge at the lower portion thereof between the attachment and an edge portion of said opening, a lower portion of said pad having a chin receiving hollow adjacent said ledge, a neck strap having side portions crossed forming an intersection beneath said hollow and having ends attached to said shell on opposite sides, a chin supporting strap portion attached to said side portions rearwardly of the area of intersection and secured against said lower portion of the pad, and a releasable attachment at rearward ends of said side portions, a head harness comprising adjustable side straps having forward ends secured to uppersides of said shell, said side straps being joined at rearward ends forming a head-engaging loop, elastic sections in said side straps and a head strap including an elastic section joined at References Cited in the file of this patent UNITED STATES PATENTS 2,353,643 Bulbulian July 18, 194 4

US2928387A 1958-09-08 1958-09-08 Quick donning mask assembly Expired - Lifetime US2928387A (en)

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Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313437A (en) * 1979-10-01 1982-02-02 Martin Dianne L Tracheotomy and endotracheal tube retainers
US4331144A (en) * 1980-09-17 1982-05-25 Baka Manufacturing Company, Inc. Band for supporting tracheostomy tubes or the like
US4960121A (en) * 1987-03-18 1990-10-02 Figgie International, Inc. Half-face mask assembly
US5357952A (en) * 1993-03-09 1994-10-25 Zipper Medical Products, Inc. Medical tube and tube connector retention device
WO1995007734A1 (en) * 1993-09-15 1995-03-23 Minnesota Mining And Manufacturing Company Convenient 'drop-down' respirator
US5671732A (en) * 1995-09-27 1997-09-30 Tecnol Medical Products, Inc. Tracheostomy tube holder
US5758642A (en) * 1996-10-02 1998-06-02 Choi; Myung Ja Gas delivery mask
EP0874667A1 (en) * 1995-12-07 1998-11-04 Respironics, Inc. Respiratory facial mask
US5975080A (en) * 1998-01-22 1999-11-02 Hammer-Plane, Inc. Retention system for anti-disconnect apparatus and method, for breathing systems
US6009872A (en) * 1998-01-22 2000-01-04 Hammer-Plane, Inc. Retention system for anti-disconnect apparatus and method, for breathing systems
US6062221A (en) * 1997-10-03 2000-05-16 3M Innovative Properties Company Drop-down face mask assembly
US6105573A (en) * 1998-01-22 2000-08-22 Hammer-Plane, Inc. Hook and pile retention system for anti-disconnect apparatus and method, for breathing systems
US6497232B2 (en) 1999-02-22 2002-12-24 Cabot Safety Intermediate Corporation Respirator headpiece and release mechanism
USD473937S1 (en) 2001-10-16 2003-04-29 Cabot Safety Intermediate Corp. Respirator
US20030168063A1 (en) * 2002-03-08 2003-09-11 Gambone Anthony Joseph Pressure face mask and nasal mask
US20040055605A1 (en) * 2002-09-24 2004-03-25 Kimberly-Clark Worldwide, Inc. Easy gripping face mask
US20040055078A1 (en) * 2002-09-24 2004-03-25 Kimberly-Clark Worldwide, Inc. Easy gripping face mask
US20040056043A1 (en) * 2002-09-24 2004-03-25 Kimberly-Clark Worldwide, Inc. Method of dispensing a face mask
US6732733B1 (en) * 1997-10-03 2004-05-11 3M Innovative Properties Company Half-mask respirator with head harness assembly
US20040211427A1 (en) * 2003-02-28 2004-10-28 Sunrise Medical Hhg Inc. Method for securing a nasal mask
US20050066973A1 (en) * 2003-09-19 2005-03-31 Michaels Robert C. Personal air purifier with integral lanyard
US20050172969A1 (en) * 2003-12-31 2005-08-11 Ging Anthony M. Disposable mask system
US20060254592A1 (en) * 2005-01-28 2006-11-16 Bruce Anders Respiratory mask
US20060266362A1 (en) * 2001-11-05 2006-11-30 Smith Nicholas C A Nasal masks
US7600513B2 (en) 1999-06-18 2009-10-13 Resmed Limited Mask and headgear connector
US20130032142A1 (en) * 2011-08-04 2013-02-07 Neely Travis Ray Oxygen delivery apparatus, system, and method
US20140216472A1 (en) * 2013-02-01 2014-08-07 3M Innovative Properties Company Personal protective equipment strap retaining devices
US20140216476A1 (en) * 2013-02-01 2014-08-07 3M Innovative Properties Company Personal protective equipment strap retaining devices
US20150335843A1 (en) * 2014-05-21 2015-11-26 Atom Medical Corporation Gas supply mask apparatus
US9308341B2 (en) 2011-08-04 2016-04-12 Travis Ray NEELY Oxygen delivery apparatus, system, and method
US9878118B2 (en) 2008-12-10 2018-01-30 Resmed Limited Headgear for masks

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2353643A (en) * 1942-07-29 1944-07-18 Arthur H Bulbulian Head harness for masks

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2353643A (en) * 1942-07-29 1944-07-18 Arthur H Bulbulian Head harness for masks

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313437A (en) * 1979-10-01 1982-02-02 Martin Dianne L Tracheotomy and endotracheal tube retainers
US4331144A (en) * 1980-09-17 1982-05-25 Baka Manufacturing Company, Inc. Band for supporting tracheostomy tubes or the like
US4960121A (en) * 1987-03-18 1990-10-02 Figgie International, Inc. Half-face mask assembly
US5357952A (en) * 1993-03-09 1994-10-25 Zipper Medical Products, Inc. Medical tube and tube connector retention device
WO1995007734A1 (en) * 1993-09-15 1995-03-23 Minnesota Mining And Manufacturing Company Convenient 'drop-down' respirator
US5464010A (en) * 1993-09-15 1995-11-07 Minnesota Mining And Manufacturing Company Convenient "drop-down" respirator harness structure and method of use
US6715490B2 (en) 1993-09-15 2004-04-06 3M Innovative Properties Company Convenient “drop-down” respirator
EP0808641A1 (en) * 1993-09-15 1997-11-26 Minnesota Mining And Manufacturing Company Convenient drop-down respirator
US6119692A (en) * 1993-09-15 2000-09-19 Minnesota Mining And Manufacturing Company Convenient "drop-down" respirator
US6591837B1 (en) * 1993-09-15 2003-07-15 3M Innovative Properties Company Convenient “drop-down” respirator
US5671732A (en) * 1995-09-27 1997-09-30 Tecnol Medical Products, Inc. Tracheostomy tube holder
EP0874667A1 (en) * 1995-12-07 1998-11-04 Respironics, Inc. Respiratory facial mask
EP0874667A4 (en) * 1995-12-07 1999-12-29 Respironics Inc Respiratory facial mask
US5758642A (en) * 1996-10-02 1998-06-02 Choi; Myung Ja Gas delivery mask
US6062221A (en) * 1997-10-03 2000-05-16 3M Innovative Properties Company Drop-down face mask assembly
US6732733B1 (en) * 1997-10-03 2004-05-11 3M Innovative Properties Company Half-mask respirator with head harness assembly
US6009872A (en) * 1998-01-22 2000-01-04 Hammer-Plane, Inc. Retention system for anti-disconnect apparatus and method, for breathing systems
US6105573A (en) * 1998-01-22 2000-08-22 Hammer-Plane, Inc. Hook and pile retention system for anti-disconnect apparatus and method, for breathing systems
US5975080A (en) * 1998-01-22 1999-11-02 Hammer-Plane, Inc. Retention system for anti-disconnect apparatus and method, for breathing systems
US6497232B2 (en) 1999-02-22 2002-12-24 Cabot Safety Intermediate Corporation Respirator headpiece and release mechanism
US8844532B2 (en) 1999-06-18 2014-09-30 Resmed Limited Mask and headgear connector
US20090293869A1 (en) * 1999-06-18 2009-12-03 Resmed Limited Mask and headgear connector
US8210181B2 (en) 1999-06-18 2012-07-03 Resmed Limited Mask and headgear connector
US7600513B2 (en) 1999-06-18 2009-10-13 Resmed Limited Mask and headgear connector
USD473937S1 (en) 2001-10-16 2003-04-29 Cabot Safety Intermediate Corp. Respirator
US20060266362A1 (en) * 2001-11-05 2006-11-30 Smith Nicholas C A Nasal masks
US20030168063A1 (en) * 2002-03-08 2003-09-11 Gambone Anthony Joseph Pressure face mask and nasal mask
US20040055078A1 (en) * 2002-09-24 2004-03-25 Kimberly-Clark Worldwide, Inc. Easy gripping face mask
US6945249B2 (en) * 2002-09-24 2005-09-20 Kimberly-Clark Worldwide, Inc. Easy gripping face mask
US6948499B2 (en) 2002-09-24 2005-09-27 Kimberly-Clark Worldwide, Inc. Easy gripping face mask
US20040056043A1 (en) * 2002-09-24 2004-03-25 Kimberly-Clark Worldwide, Inc. Method of dispensing a face mask
US20040055605A1 (en) * 2002-09-24 2004-03-25 Kimberly-Clark Worldwide, Inc. Easy gripping face mask
US7219670B2 (en) * 2003-02-28 2007-05-22 Sunrise Medical Hhg Inc. Method for securing a nasal mask
US20040211427A1 (en) * 2003-02-28 2004-10-28 Sunrise Medical Hhg Inc. Method for securing a nasal mask
US6981501B2 (en) * 2003-09-19 2006-01-03 Santa Barbara Medco, Inc. Personal air purifier with integral lanyard
US20050066973A1 (en) * 2003-09-19 2005-03-31 Michaels Robert C. Personal air purifier with integral lanyard
US20050172969A1 (en) * 2003-12-31 2005-08-11 Ging Anthony M. Disposable mask system
US7878199B2 (en) 2003-12-31 2011-02-01 Resmed Limited Disposable mask system
US8136524B2 (en) 2003-12-31 2012-03-20 Resmed Limited Disposable mask system
US20060254592A1 (en) * 2005-01-28 2006-11-16 Bruce Anders Respiratory mask
US9878118B2 (en) 2008-12-10 2018-01-30 Resmed Limited Headgear for masks
US20130032142A1 (en) * 2011-08-04 2013-02-07 Neely Travis Ray Oxygen delivery apparatus, system, and method
US9308341B2 (en) 2011-08-04 2016-04-12 Travis Ray NEELY Oxygen delivery apparatus, system, and method
US9247788B2 (en) * 2013-02-01 2016-02-02 3M Innovative Properties Company Personal protective equipment strap retaining devices
US9259058B2 (en) * 2013-02-01 2016-02-16 3M Innovative Properties Company Personal protective equipment strap retaining devices
US20140216472A1 (en) * 2013-02-01 2014-08-07 3M Innovative Properties Company Personal protective equipment strap retaining devices
US20140216476A1 (en) * 2013-02-01 2014-08-07 3M Innovative Properties Company Personal protective equipment strap retaining devices
US20150335843A1 (en) * 2014-05-21 2015-11-26 Atom Medical Corporation Gas supply mask apparatus

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