WO2012003565A1 - Dispositif d'étiquettes respiratoires à ouverture accidentelle - Google Patents

Dispositif d'étiquettes respiratoires à ouverture accidentelle Download PDF

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Publication number
WO2012003565A1
WO2012003565A1 PCT/CA2010/001053 CA2010001053W WO2012003565A1 WO 2012003565 A1 WO2012003565 A1 WO 2012003565A1 CA 2010001053 W CA2010001053 W CA 2010001053W WO 2012003565 A1 WO2012003565 A1 WO 2012003565A1
Authority
WO
WIPO (PCT)
Prior art keywords
mask
raised areas
core
filter
configuration
Prior art date
Application number
PCT/CA2010/001053
Other languages
English (en)
Inventor
Gustav David Marx
Original Assignee
Gustav David Marx
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gustav David Marx filed Critical Gustav David Marx
Priority to PCT/CA2010/001053 priority Critical patent/WO2012003565A1/fr
Publication of WO2012003565A1 publication Critical patent/WO2012003565A1/fr

Links

Classifications

    • 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
    • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
    • A41D13/1138—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A62B18/025—Halfmasks

Definitions

  • This invention relates to what has become known as "respiratory etiquette", namely the practice of covering the mouth and nose when coughing or sneezing, as an aid to infection control and prevention of the spread of germs.
  • the invention is concerned with a device intended to be used in practicing respiratory etiquette.
  • a person who coughs or sneezes will often attempt to cover his or her mouth with a hand or possibly a tissue or handkerchief. At best, this may contain some of the droplets of saliva, mucus and the like that would otherwise be expelled into the surrounding air. While this may limit to some extent the spread of germs, it is obviously not an ideal solution. In fact, the problem may be exacerbated if the person uses a hand and does not immediately wash.
  • WO/2006/119610 published November 16, 2006 discloses a proposal by the present inventor for a personal hygiene device in the form of a mask that is crushable so that it can be accommodated in the pocket or purse and which, when released, springs open to an erected configuration in which it can be placed over the mouth and nose of the wearer.
  • An object of the present invention is to provide a device that represents an improvement on the device of WO/2006/119610.
  • the present invention provides a respiratory etiquette device in the form of a mask comprising a plastic core which is moulded in a shape for covering the mouth and nose of a wearer when the mask is in an erected configuration, the mask being crushable to a compacted configuration in which the mask can be constrained when not in use.
  • the core has an outer surface formed with an array of raised areas for causing the mask to return to its erected configuration when unconstrained.
  • the mask is impervious to outward expulsion of material from the mouth and/or nose of a user in sneezing or coughing and includes an opening that is closed by a filter for allowing release of excess air from a sneeze or cough.
  • the mask will normally be kept in a person's pocket or purse in its compacted configuration and will be withdrawn, allowing the mask to open to its erected configuration, when the user feels a sneeze or cough coming on.
  • the mask is then placed over the nose and mouth.
  • the impervious structure contains any material that is expelled from the nose and/or mouth of the wearer when the sneeze or cough actually occurs, while allowing excess air to be released through the filter.
  • the raised areas in the surface of the mask will quickly regain their original shapes, thereby forcing the entire mask into its fully erected configuration.
  • the raised areas preferably have geometries shapes such as circular shapes, so that, in three dimensions, the areas form dome-shaped bubbles on the surface of the mask.
  • the raised areas may form rings that encircle the mask.
  • the raised areas preferably cover a substantial part of, if not the entire outer surface of the core.
  • the raised areas may be interconnected with one another.
  • the core may be thermally formed in the erected, operative configuration from an extruded sheet or film.
  • a paper or other absorbent lining preferably will be provided on the interior of the plastic core.
  • a polypropylene or polypropylene-based material may be preferred.
  • the material may comprise polypropylene compounded with rubber or a rubber-like material to improve flexibility and fracture resistance.
  • the plastic mask sheet material may be approximately 10 thousands of an inch thick so as to compress with the same ease of hand pressure as would a paper tissue stored in a pocket or purse. If not for the array of raised surface areas moulded into the plastic mask, the mask would not assume its erected configuration when released from the user's hand. It would remain largely crumpled. The plastic mask needs to be thin enough to crumple and requires the raised surface areas to achieve its pop-open function.
  • the mask has a generally conical shape with an open end of circular overall shape having a diameter sufficient to fit over the nose and mouth of the wearer.
  • the open end Around its perimeter, the open end has an outwardly directed lip that may be curved in cross-section so as to provide a sealing surface for contact with the wearer's face.
  • the circular shape has the advantage that the mask does not have to be turned to fit the wearer as would be the case if the mask had, for example, a contour to fit over the nose. Nevertheless, a mask with a nose contour is within the scope of the invention.
  • FIG. 1 is a perspective view showing a mask in accordance with a preferred embodiment of the invention constrained within the closed hand of a user;
  • FIGs. 2 and 3 are views following on sequentially from Fig. 1 showing the mask progressively opening to its erected configuration
  • FIG. 4 shows the erected mask applied to the face of a user
  • FIG. 5 is a front elevational view of the mask as seen in Fig. 4;
  • Fig. 6 is a vertical sectional view through the mask as seen in Fig. 4;
  • Fig. 7 is a front elevational view of a mask in accordance with an alternative embodiment, in which the raised areas are of annular shape;
  • Fig. 8 is a sectional view on line 8-8 of Fig. 7;
  • Figs. 9 and 10 and Figs. 11 and 12 are views corresponding to Figs. 7 and 8 respectively illustrating further alternative configurations of raised areas.
  • the drawings show a respiratory etiquette device in the form of a mask 20 that can adopt an erected, operative configuration (Fig. 4) and a compacted configuration (Fig. 1).
  • the mask in the compacted configuration, can be accommodated in, for example, a pocket or purse of a user.
  • the mask has a memory that tends to return the mask to its erected configuration when unrestrained. In other words, the mask will quickly "spring open" ready for use when withdrawn from the confines of a pocket, purse or the like.
  • the mask covers the mouth and nose of a wearer.
  • the mask is impervious to outward expulsion of material from the mouth and/or nose of the user in coughing or sneezing.
  • the mask has an opening 24 that is closed by a filter 26 for allowing release of excess air that results from the sneeze or cough.
  • the mask opening 24 is of relatively large diameter, for example, about three inches.
  • the mask includes a plastic moulded core which is denoted by reference numeral 28.
  • the core is thermally formed from polypropylene film.
  • the structure also includes an inner paper layer 30.
  • the inner layer 30 should provide for some liquid absorbency and may be a woven paper material of the type typically used for conventional particle masks.
  • Core 28 is moulded in an appropriate generally conical shape with a circular open end having an outwardly curved marginal portion 28a (Fig. 6) that is contoured so that the mask fits comfortably against the face of the wearer.
  • a resilient seal 32 is provided around the perimeter of the mask.
  • the inner layer 30 of course follows the contours of the core.
  • the core 28 has an outer surface formed with an array of raised areas for causing the mask to return to its erected configuration when unconstrained.
  • the raised areas are of circular shape as seen in elevation, forming domes or bubbles in the outer surface of the mask.
  • the outer surface of the mask is denoted by reference numeral 34 and the individual raised areas are indicated at 36.
  • the raised areas or "bubbles" 36 are arranged concentrically around the central opening 24 in the core of the mask, in rings in which the bubbles are of increasing diameter in successive rings in the radially outward direction.
  • This particular configuration is believed to have advantages in terms of providing an array of raised areas that cover substantially the entire outer surface 34 of the core.
  • the bubbles encourage a strong, quick expansion of the mask.
  • the individual bubbles will rapidly regain their shapes, thereby forcing the entire mask into its fully erected configuration.
  • the raised areas will allow the mask to be made of a sufficiently thin plastic material to crumple easily for storage in a pocket, yet pop open when released from the user's hand pressure.
  • the raised areas may be relatively closely positioned, possibly in contact with one another, or may be spaced. Further, the raised areas may all be of the same size, or of different sizes as shown in Fig. 5. Different geometric shapes may be employed in the same mask.
  • Figs. 7 to 12 illustrate other possible configurations of raised areas, but without limiting the scope of the invention.
  • the raised areas are of annular shape and closely abut one another as can be seen from Fig. 8.
  • the annular areas could be separated from one another.
  • Figs. 9 and 10 show a configuration in which the raised areas (denoted 40) are generally pear-shaped with the narrow ends of the "pears" facing outwardly.
  • Figs. 11 and 12 show a reverse arrangement in which the areas (denoted 42) are also pear-shaped but face inwardly. Again, the raised areas may be in contact with one another or they may be separated.
  • the opening 24 in the core is shown as circular but this is not essential.
  • a series of spaced strips 44 of the polypropylene core material extend across the opening and provide surfaces against which the filter 26 bears so that the strips to some extent prevent the filter being blown out of the mask as a result of a particularly violent cough or sneeze.
  • the particular configuration of strips is not essential and may vary, or the strips may be replaced by a grid-like structure or other restraint means.
  • the filter 26 itself is shaped to match the shape of the opening 24.
  • filter 26 has a circular overall configuration and a loosely padded air pervious structure. In general, the overall appearance of the filter may be likened to a circular teabag.
  • the filter may comprise inner and outer paper layers with a fibrous pad of absorbent material between the layers.
  • the filter is glued or otherwise adhered to the polypropylene core of the mask around the perimeter of the filter and, preferably, along the strips 44.
  • the strips 44 that restrain the filter 26 are curved outwardly to form a part-spherical dome or bulb-shaped filter "basket”, and the filter 26 itself is correspondingly shaped. While the filter could be flat or follow the "natural" contour of the main body of the mask, it is believed that the bulb-shaped configuration described is preferred. For example, the strips 44 then form a "pocket” into which the filter 26 fits. The filter will tend to naturally remain in place in the pocket, although it is intended that the filter will still be glued to the strips 44.
  • a bulb-shaped filter basket also is advantageous in terms of avoiding any resistance to compaction or "crushing" of the mask when the mask is to be placed in the pocket or purse of a user. Further, any obstruction or impediment to movement of air within the mask is minimized. At the same time, the bulb-shaped filter basket will provide a natural convexly curved external shape so that the palm of the user's hand will fit naturally around the mask and hold the mask to the user's face.
  • the core of the mask is preferably made of a polypropylene or polypropylene-based material.
  • the material should be engineered to have a "no break" rating in accordance with industry standards for plastic mouldings; i.e. the material should not break or crack when the mask is crushed.
  • the material has a rating of between 10 and 15 in accordance with the standard "Izod" engineering test for rating the flexibility and breakability of plastic.
  • the mask shown in the drawings is a respiratory etiquette device for protecting third parties against the spread of germs.
  • the mask is normally kept in a person's pocket or purse in its compacted configuration and is preferably constrained in the user's closed hand as shown in Fig. 1.
  • the mask When the user feels a sneeze or cough coming on, the mask is withdrawn and allowed to spring open to its erected configuration. The user then places the mask over the nose and mouth as shown in Fig. 6.
  • the polypropylene core of the mask is moisture impervious and will contain material expelled from the nose and/or mouth of the wearer when the sneeze or cough occurs.
  • resultant excess air within the mask is released through the filter and the filter itself prevents or at least minimizes any expulsion of material through the mask opening 24.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

L'invention porte sur un dispositif d'étiquettes respiratoires sous forme d'un masque qui peut être contenu dans une configuration compacte à l'intérieur de la poche ou du sac à main d'un utilisateur. Lorsqu'ils sont libérés, les ressorts de masque s'ouvrent vers leur configuration déployée et peuvent être placés rapidement sur la bouche et le nez d'un porteur pour contenir une toux ou un éternuement. Une ouverture rapide par ressort du masque est obtenue par utilisation d'un noyau en plastique ayant un ensemble de bulles externes qui retrouvent rapidement leur forme lorsque le masque est libéré, permettant ainsi de forcer tout le masque dans sa configuration complètement déployée.
PCT/CA2010/001053 2010-07-06 2010-07-06 Dispositif d'étiquettes respiratoires à ouverture accidentelle WO2012003565A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CA2010/001053 WO2012003565A1 (fr) 2010-07-06 2010-07-06 Dispositif d'étiquettes respiratoires à ouverture accidentelle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA2010/001053 WO2012003565A1 (fr) 2010-07-06 2010-07-06 Dispositif d'étiquettes respiratoires à ouverture accidentelle

Publications (1)

Publication Number Publication Date
WO2012003565A1 true WO2012003565A1 (fr) 2012-01-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2010/001053 WO2012003565A1 (fr) 2010-07-06 2010-07-06 Dispositif d'étiquettes respiratoires à ouverture accidentelle

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210402230A1 (en) * 2020-04-08 2021-12-30 Claudio H Caycedo Rapidly deployable, cough and sneeze, aerosol containment apparatus
US11452890B2 (en) 2020-04-08 2022-09-27 Claudio H. Caycedo Rapidly deployable, cough and sneeze, aerosol containment apparatus

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2378929A (en) * 1942-06-29 1945-06-26 American Optical Corp Respirator
US3220409A (en) * 1961-03-28 1965-11-30 Johnson & Johnson Face mask
US20050194010A1 (en) * 2004-03-05 2005-09-08 Sankot Philip W. Disposable contagion transmission prevention device and method of using a disposable contagion transmission prevention device
US6948499B2 (en) * 2002-09-24 2005-09-27 Kimberly-Clark Worldwide, Inc. Easy gripping face mask
US20060230485A1 (en) * 2003-05-19 2006-10-19 Sea-Won Lee See-through mask
WO2006119610A1 (fr) * 2005-05-11 2006-11-16 David Marx Dispositif d'hygiene personnelle et procede correspondant
WO2009070868A1 (fr) * 2007-12-05 2009-06-11 Quinn, Michael 'attrape-toux' avec une protection contre une transmission de germes par contact manuel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2378929A (en) * 1942-06-29 1945-06-26 American Optical Corp Respirator
US3220409A (en) * 1961-03-28 1965-11-30 Johnson & Johnson Face mask
US6948499B2 (en) * 2002-09-24 2005-09-27 Kimberly-Clark Worldwide, Inc. Easy gripping face mask
US20060230485A1 (en) * 2003-05-19 2006-10-19 Sea-Won Lee See-through mask
US20050194010A1 (en) * 2004-03-05 2005-09-08 Sankot Philip W. Disposable contagion transmission prevention device and method of using a disposable contagion transmission prevention device
WO2006119610A1 (fr) * 2005-05-11 2006-11-16 David Marx Dispositif d'hygiene personnelle et procede correspondant
WO2009070868A1 (fr) * 2007-12-05 2009-06-11 Quinn, Michael 'attrape-toux' avec une protection contre une transmission de germes par contact manuel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210402230A1 (en) * 2020-04-08 2021-12-30 Claudio H Caycedo Rapidly deployable, cough and sneeze, aerosol containment apparatus
US11452890B2 (en) 2020-04-08 2022-09-27 Claudio H. Caycedo Rapidly deployable, cough and sneeze, aerosol containment apparatus
US20230014571A1 (en) * 2020-04-08 2023-01-19 Claudio H Caycedo Rapidly deployable, cough and sneeze, aerosol containment apparatus
US11596816B2 (en) * 2020-04-08 2023-03-07 Claudio H Caycedo Rapidly deployable, cough and sneeze, aerosol containment apparatus

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