EP1624937A1 - Hygienische atemschutzmaske - Google Patents

Hygienische atemschutzmaske

Info

Publication number
EP1624937A1
EP1624937A1 EP04742743A EP04742743A EP1624937A1 EP 1624937 A1 EP1624937 A1 EP 1624937A1 EP 04742743 A EP04742743 A EP 04742743A EP 04742743 A EP04742743 A EP 04742743A EP 1624937 A1 EP1624937 A1 EP 1624937A1
Authority
EP
European Patent Office
Prior art keywords
mask
semi
protection means
mask according
hygienic protection
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
Application number
EP04742743A
Other languages
English (en)
French (fr)
Other versions
EP1624937B1 (de
Inventor
Robert Schegerin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aerosystems SAS
Original Assignee
Intertechnique SA
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 Intertechnique SA filed Critical Intertechnique SA
Publication of EP1624937A1 publication Critical patent/EP1624937A1/de
Application granted granted Critical
Publication of EP1624937B1 publication Critical patent/EP1624937B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A62B18/02—Masks
    • A62B18/025—Halfmasks
    • 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
    • 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 present invention relates to respiratory masks with hygienic protection.
  • the present invention relates to facial respiratory masks for physiological protection, in particular for aircrew personnel.
  • 1 / invention relates for example respiratory protection masks used by civil aircraft pilots to fight against hypoxia in particular.
  • Protective masks for civil aircraft pilots are part of the aircraft and are used by several pilots successively, especially for tests or preventive uses masks. It is understood that this causes some psychological discomfort for the pilots and that it is not without risk in relation to certain contaminations.
  • An object of the invention is to at least partially overcome the aforementioned drawbacks.
  • a respiratory mask for physiological protection in particular for aircrew of aircraft, comprising
  • an oronasal face cover adapted to be connected to a source of respiratory gas
  • a semi-flexible lip comprising an edge adapted to position the oronasal face cover on a user's face
  • Hygienic protective means removably placed at least partly in the mask and having a first portion providing a hygienic protection and a second portion ensuring the maintenance of the hygienic protection means in the mask, the second part cooperating elastically with the semi-flexible lip or covers face.
  • the hygienic protection means are removable and can therefore be easily replaced between two uses. This is in particular made possible by the second part which cooperates elastically with the semi-flexible lip or the face cover. In addition to the fact that this elastic cooperation facilitates the establishment of the means of hygienic protection on the mask and their extraction of the mask, it can allow, if necessary, to ensure a certain seal between the hygienic protection means and the semi-lip. flexible or covers it face.
  • the first and second parts of the hygienic protection means comprise different materials; the second part is in contact with at least one internal part of the semi-flexible lip;
  • a thin lip extends, at least in some areas, the second part, so as to exceed a few millimeters of the free edge of the semi-flexible lip; - The thin lip extends on at least one outer portion of the semi-flexible lip;
  • the first part of the hygienic protection means comprises a filter allowing the respiratory gases to pass; the first part filters at least part of a possible contamination coming from the user; the first part has a corrugated shape, in order to reduce the pressure drop of the hygienic protection means;
  • the corrugated shape corresponds to waves substantially centered around a central zone of the hygienic protection means, to facilitate the extraction of the hygienic protection means from the mask;
  • the mask comprises a cord, attached to the hygienic protection means, facilitating extraction of the hygienic protection means, the mask;
  • the second part is made of silicone
  • the first part of the hygienic protection means covers an area of the semi-flexible lip which would have been, in the absence of hygienic protection means, in contact with the face once the mask is in place thereon;
  • the second part comprises an elastic thread enclosing the semi-flexible lip
  • a flexible structure is placed between the hygienic protection means and an inner part of the semi-flexible lip and projecting from it;
  • a flexible structure is placed outside the hygienic protection means, inside the semi-flexible lip and projecting from it; - the mask includes:
  • the structural part provides a mechanical pressure on the semi-flexible lip, whose value is greater than the maximum value of the maximum pressure of the breathing gas may be inside the mask;
  • the first, second and third zones consist of a single elastic film
  • the structural part comprises an elastic thread.
  • FIG. 1 shows schematically a vertical section of a breathing device comprising an example of a first embodiment of a mask according to the invention, worn by a user;
  • FIG. 2 shows schematically in a section similar to that of Figure 1, a detail of a variant of the embodiment of Figure 1;
  • FIG. 3 shows schematically in a section similar to those of Figures 1 and 2, a detail of another variant of the embodiment of Figure 1;
  • FIG. 4 shows schematically in a section similar to those of Figures 1, 2 and 3, a detail of yet another variant of the embodiment of the figure 1 ;
  • FIG. 5 shows schematically, seen in elevation, an example of a second embodiment of a mask according to the invention
  • FIG. 6 schematically represents, in a section in the plane VI-VI, in FIG. 5, a detail of the embodiment of FIG. 5;
  • FIG. 7 shows schematically, in horizontal section, an example of a third embodiment of a mask according to the invention, worn by a user.
  • FIG. 1 A first exemplary embodiment of the mask according to the invention is shown in FIG. 1.
  • a user here a civil aircraft pilot, wears a respiratory protection mask 2, here a mask quick set up.
  • This mask 2 comprises an oronasal face cover 10 and a semi-flexible lip 6.
  • a conduit 3 for conveying a breathing gas makes it possible to supply the mask 2 with respiratory gas from a source of respiratory gas 5.
  • This conduit 3 is fluidly connected to the oronasal face cover 10.
  • Removable hygienic protection means 4 here a filter, are placed by the driver inside the mask 2, for example when it takes place in the aircraft.
  • These hygienic protection means 4 are composed of at least two main parts 4a and 4b.
  • Part 4a filters the exhaled air and prevents any contamination from entering the inside of the mask and especially into a microphone or inspiratory 8 and / or exhalation valves 9.
  • Part 4a is for example made of a paper impregnated with an antibiotic, bactericidal or other substance.
  • the part 4b is made of a flexible and waterproof material, such as silicone or latex, by. example, and ensures the maintenance of the hygienic protection means 4 in the mask 2, as well as the sealing of the hygienic protection means 4 with the mask 2 by contact between this part 4b and the inside of the semi-flexible lip 6.
  • a cord 7 is attached to the hygienic protection means 4 to facilitate extraction, the mask 2.
  • a third part 4c forming a thin lip, extends the part 4b and protrudes from the semi-flexible lip 6 by a few millimeters in order to improve the wearing comfort of the mask 2 and the This portion 4b is for example also silicone or latex but is thinner than the part 4b.
  • a fourth part 4d also forming a thin lip, extends the part 4c so as to cover at least partially the outer surface of the semi-flexible lip 6.
  • This part 4d also provides a hygienic protection function. It can also be silicone or latex, as part 4c.
  • the part 4a has a corrugated shape, with waves substantially centered inside the mask 2 and / or the inspiratory valve 8, in order to reduce the pressure drops and / or or to facilitate the gripping and / or extraction and replacement of the hygienic protection means 4.
  • FIG. 5 more particularly represents the semi-flexible lip 6 whose edge 11 intended to be in contact with a user's face is covered with hygienic protection means 4. This edge comes back towards the center and the inside of the mask 2, forming an internal groove 12.
  • FIG. 6 essentially represents this edge 11 of the semi-flexible lip 6.
  • the hygienic protection means 4 here a thin film, comprises:
  • a part 4c which isolates the semi-flexible lip 6 of the skin P from the user 1; another part 4b, called structural part, which is housed in the hollow of the semi-flexible lip 6, preventing the means of hygienic protection 4 to get out of mask 2 and
  • the part 4c which isolates the semi-flexible lip 6 of the skin P of the user 1 is placed all around this semi-flexible lip 6. It is placed on the outer part of the semi-flexible lip 6, but possibly also over a large part of its internal part.
  • This part 4c is made of silicone, latex or a fibrous or woven material, for example.
  • Part 4b, called structural is more rigid than part 4c. It is for example silicone or latex. She has a suitable shape to fit into the internal groove 12 of the semi-flexible lip 6. It allows a stable positioning of the hygienic protection means 4, preventing them from leaving the mask 2 during use thereof.
  • the last part 4b ' that possibly comprising an elastic thread 13 is fixed on the entire outer periphery of the hygienic protection means 4 in order to maintain them positioned in a stable manner by preventing them from entering the mask 2 during its use.
  • This part 4b ' can be silicone or latex, for example.
  • This architecture takes into account the possible elastic deformations of the mask 2, the structural part 4b and the possible wire 13, so that the assembly consisting of the hygienic protection means 4, the structural part 4b and the possible wire Elastic 13 can be easily replaced after each use.
  • a flexible structure is placed between the hygienic protection means 4 and an inner part of the semi-flexible lip 6.
  • This flexible structure such as a thin film made of silicone or latex, for example, protrudes from the lip 6.
  • another flexible structure such as a thin film, can be placed outside the hygienic protection means 4, inside the semi lip. -souple 6 and protruding from it.
  • FIG. 7 A third exemplary embodiment of masks • according to the invention is shown in Figure 7.
  • this third embodiment of the mask 2 according to the invention comprises an oronasal face cover, a semi-circular lip flexible and fluid connection means similar to those described above.
  • FIG. 7 represents more particularly the semi-flexible lip 6, the edge 11 of which, intended to be in contact with the face of a user, is provided with hygienic protection means 4. This edge 11 returns towards the center and inside of the mask 2, forming an internal groove 12.
  • the hygienic protection means 4 are essentially placed outside the semi-flexible lip 6.
  • the hygienic protection means 4 consist essentially of a thin film which surrounds the semi-flexible lip 6 on the outside. .
  • the clean elasticity of this thin film makes it easy to place it around the periphery of the semi-flexible lip 6.
  • This thin film is for example silicone or latex.
  • the hygienic protection means 4 comprise three parts:
  • this zone may be reinforced by a reinforcement structure composed of an elastic thread 13 integrated in the thin film; this particular arrangement makes it possible to replace the thin film easily and the plate firmly on the outside of the semi-flexible lip 6 by creating a pressure PM ensuring the tightness between the thin film and the semi-flexible lip 6; the elastic characteristics of the thin film and reinforcement structure are chosen so that the pressure PM exerted is greater than the relative pressure PA of the air contained in the mask 2 without, however, being too important not to deform the semi-lip substantially.
  • the hygienic protection means described above are particularly economical which makes their regular use and replacement inexpensive.
  • the hygienic protection means can be stored in a sealed, sterile and possibly transparent plastic pouch, also comprising disinfecting wipes. .
  • the pilot prepares his mask before a flight, he can also clean the lips of the mask and the visor before putting the mask back in the mask box.
EP04742743.0A 2003-05-16 2004-05-14 Hygienische atemschutzmaske Active EP1624937B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0305993A FR2854808B1 (fr) 2003-05-16 2003-05-16 Filtre interne amovible de masque a mise en place rapide pour pilotes d'avions
PCT/FR2004/001195 WO2004103476A1 (fr) 2003-05-16 2004-05-14 Masque respiratoire a protection hygienique

Publications (2)

Publication Number Publication Date
EP1624937A1 true EP1624937A1 (de) 2006-02-15
EP1624937B1 EP1624937B1 (de) 2018-04-25

Family

ID=33306439

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04742743.0A Active EP1624937B1 (de) 2003-05-16 2004-05-14 Hygienische atemschutzmaske

Country Status (7)

Country Link
US (2) USRE44545E1 (de)
EP (1) EP1624937B1 (de)
JP (1) JP2006528042A (de)
CN (2) CN102652863B (de)
CA (1) CA2525563C (de)
FR (1) FR2854808B1 (de)
WO (1) WO2004103476A1 (de)

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JP2016052489A (ja) * 2014-09-04 2016-04-14 高橋　勲 Ｃｐａｐマスクの違和感軽減手段
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Also Published As

Publication number Publication date
CA2525563A1 (fr) 2004-12-02
US20060130845A1 (en) 2006-06-22
US7575006B2 (en) 2009-08-18
CA2525563C (fr) 2011-07-05
CN102652863B (zh) 2015-07-08
FR2854808B1 (fr) 2005-11-11
CN1784252B (zh) 2012-07-18
CN1784252A (zh) 2006-06-07
WO2004103476A1 (fr) 2004-12-02
JP2006528042A (ja) 2006-12-14
USRE44545E1 (en) 2013-10-22
CN102652863A (zh) 2012-09-05
FR2854808A1 (fr) 2004-11-19
EP1624937B1 (de) 2018-04-25

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