EP3774090B1 - Procédé et dispositif pour le nettoyage d'au moins un appareil respiratoire - Google Patents

Procédé et dispositif pour le nettoyage d'au moins un appareil respiratoire Download PDF

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Publication number
EP3774090B1
EP3774090B1 EP19714625.1A EP19714625A EP3774090B1 EP 3774090 B1 EP3774090 B1 EP 3774090B1 EP 19714625 A EP19714625 A EP 19714625A EP 3774090 B1 EP3774090 B1 EP 3774090B1
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EP
European Patent Office
Prior art keywords
cleaning
holder
precleaning
respiratory mask
breathing
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.)
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EP19714625.1A
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German (de)
English (en)
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EP3774090A1 (fr
Inventor
Marc Scherer
Marijan Simundic
Herbert Falk
Heiko WÖRNER
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.)
Meiko Maschinenbau GmbH and Co KG
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Meiko Maschinenbau GmbH and Co KG
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Publication of EP3774090A1 publication Critical patent/EP3774090A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B99/00—Subject matter not provided for in other groups of this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
    • B08B11/02—Devices for holding articles during cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow

Definitions

  • the invention relates to a method for cleaning at least one breathing device, the breathing device comprising at least one breathing mask.
  • the invention further relates to a device for cleaning at least one breathing device, a pre-cleaning device for pre-cleaning personal protective equipment and a cleaning system for cleaning personal protective equipment, in particular at least one breathing device with at least one breathing mask.
  • Such devices and methods can be used in general to clean breathing devices or components thereof, for example breathing devices for rescue workers such as fire departments, technical aid organizations or paramedics, breathing devices for divers or generally people in hostile or critical work environments, as well as for armed forces and security forces such as police officers.
  • the proposed devices and methods can also be used for breathing devices in the medical field, for example breathing masks for oxygen supply and operations.
  • the cleaning of breathing masks or regulators is a general area of application.
  • Breathing devices such as respiratory masks or regulators are usually part of the personal protective equipment of rescue workers, armed forces or security forces, for example.
  • a large number of breathing devices for different purposes are known from the prior art.
  • rescue workers such as fire departments use respiratory masks with filters to remove harmful components from the sucked-in breathing air.
  • a so-called regulator is used, through which the user can be ventilated with a breathing gas, for example compressed air.
  • Regulators which are often also referred to as breathing regulators, generally allow a user to breathe from a compressed gas cylinder or other compressed gas connection and in this way, for example, to stay under water or in another non-breathable or toxic atmosphere.
  • the compressed gas is used, for example compressed air, from the compressed gas connection through the regulator adjusted to a pressure prevailing in the user's working environment.
  • the respiratory devices or their components must generally be cleaned, hygienised, dried, checked and, if necessary, repaired and packaged after each use. Cleaning is intended to remove all contamination resulting from use or storage so that the breathing apparatus can be macroscopically clean and hygienically provided, for example for the next steps in reprocessing.
  • the same requirements generally also apply to other components of breathing apparatus, such as attachments and accessories for breathing masks, such as filters or regulators. Since breathing apparatus and their components are generally safety-relevant devices, several requirements must be observed when cleaning these devices. In addition to adequate cleaning and hygiene, in many cases it should be noted that accessories must remain assigned to the respective breathing masks for technical reasons. Furthermore, there is generally a requirement that gas-carrying areas of certain elements of breathing apparatus, for example gas-carrying areas of regulators, must not come into contact with cleaning fluid, for example water and/or cleaning solution.
  • respiratory devices such as respiratory masks and their accessories
  • a washing machine which has a tub with a drum.
  • a shell of the drum has a curvature structure directed towards the inside of the drum, with holes being arranged in its corner points on edge contours of the curvature directed towards the outside of the drum.
  • a holding system for respiratory masks in a laundry treatment machine is known.
  • the holding system has a support bracket which is arranged to rotate in a drum of the laundry treatment machine and to which the respiratory masks can be connected.
  • Clothes hangers are used, which include flexible air outlet nozzles.
  • the clothes hangers are each on a swivel device attached. Cleaning breathing apparatus is generally not possible or only possible with difficulty using the devices shown.
  • a device for cleaning respiratory masks comprises a lockable housing and at least one receptacle for at least one respiratory mask arranged in a carrier. Furthermore, a nozzle arrangement and a brush arrangement are provided, whereby a movement of the respiratory masks causes the respiratory masks to be brushed.
  • individual assignment and cleaning of mask accessories is not possible.
  • the cleaning of gas-carrying elements, such as regulators is not possible with the disclosed device.
  • DE 200 03 744 U1 a device for cleaning, disinfecting and drying respiratory masks is known, which has a support frame with an assigned nozzle system and individual treatment stations. This device is also fundamentally not suitable for cleaning gas-carrying elements and accessories.
  • a cleaning device for compressed air breathing apparatus is known. This has a receiving space limited by a protective grille and rotating nozzle holders. The nozzle holders are located outside the protective grille.
  • the disadvantage of the device shown is that cleaning liquid can penetrate into gas-conducting areas.
  • a receptacle for equipping respiratory masks is provided, in which the respirators are coupled to the receptacle using the breathing apparatus connection. It is further described that a collection device for collecting treatment agents is provided in a cabin of the device, as well as a pump for supplying the treatment agents.
  • US 3,881,503 A discloses an apparatus for washing and decontaminating anesthesia equipment.
  • a nozzle system is provided through which jets of water can be sprayed onto the items to be cleaned under high pressure.
  • a device for cleaning respiratory masks is described.
  • a rotatably mounted tubular frame is provided in a housing, in which the masks to be cleaned are clamped onto holders.
  • the respiratory masks are moved with a rotating movement through a bath of cleaning liquid in a tub.
  • WO 2011/144518 A2 describes a cleaning device for cleaning breathing apparatus.
  • the cleaning device comprises at least one cleaning chamber for accommodating at least one breathing device and at least one fluid device for applying at least one cleaning fluid to the breathing device.
  • the cleaning device further has at least one pressurization device with at least one pressure connection.
  • the pressure connection can be connected to at least one gas-carrying element of the breathing apparatus.
  • the pressurization device is set up to pressurize the gas-carrying element with compressed gas.
  • DE 944 416 C describes a device for cleaning filter respirators in which air is forced through the filter device.
  • a range for cleaning breathing apparatus comprising at least two holders, the holders comprising: a first Holder for cleaning breathing masks and regulators, comprising at least one mask holding device for positioning at least one breathing mask, further comprising at least one regulator holding device for positioning at least one regulator and at least one pressurization device with at least one pressure connection, the pressure connection being connectable to the regulator and wherein the pressurization device is set up to pressurize the regulator with compressed gas during cleaning; and at least one second holder for cleaning support frames for compressed gas cylinders for breathing apparatus, comprising at least one support frame holding device for positioning at least one support frame.
  • the holders are dimensioned in such a way that they can be inserted interchangeably into a cleaning device for cleaning the breathing apparatus.
  • PPE personal protective equipment
  • One difficulty is that the transfer of pollutants from the outside of the breathing masks to the inside should be avoided. Cleaning can be carried out manually, for example, by rinsing to remove coarse dirt, especially on the outside of the individual parts such as the breathing masks. However, this process is comparatively difficult to automate. There is also a considerable risk that washing lye, for example, could carry combustion residues such as soot, which can contain substances that are hazardous to health, onto the inside of the breathing mask. Further There is also the risk of dangerous and undesirable substances being carried over from the pre-cleaning step into the final or main cleaning step.
  • the terms “have”, “have”, “comprise” or “include” or any grammatical variations thereof are used in a non-exclusive manner. Accordingly, these terms can refer both to situations in which, in addition to the features introduced by these terms, no further features are present, or to situations in which one or more further features are present.
  • the expression “A has B”, “A includes B”, “A includes B” or “A includes B” can refer to the situation in which, apart from B, no other element is present in A (i.e. to a situation in which A consists exclusively of B), as well as to the situation in which, in addition to B, one or more other elements are present in A, for example element C, elements C and D or even other elements .
  • the terms “at least one” and “one or more” as well as grammatical variations of these terms, when used in connection with one or more elements or features and are intended to express that the element or feature is provided single or multiple times can usually only be used once, for example when the feature or element is introduced for the first time. If the feature or element is subsequently mentioned again, the corresponding term “at least one” or “an or “multiple” is generally no longer used, without limiting the possibility that the feature or element can be provided single or multiple times.
  • the present invention relates to a method for cleaning at least one breathing device, comprising at least one breathing mask.
  • the method comprises at least one pre-cleaning step, wherein the pre-cleaning step has the following sub-steps, preferably in the specified order.
  • a different order is also possible in principle.
  • individual, several or all steps, in particular all sub-steps, of the method can be carried out repeatedly, in particular more than once.
  • the method can, in addition to the method steps mentioned, also include further method steps.
  • breathing apparatus is a broad term which should be given its ordinary and current meaning as understood by those skilled in the art.
  • the term is not limited to a special or adapted meaning.
  • the term can, without limitation, refer in particular to a device which is suitably designed to protect the respiratory tract of a user from harmful influences.
  • the breathing device can be a device which is set up to completely or partially filter ambient air and/or to provide breathing gas to at least one user.
  • These breathing devices can be complete, ready-to-use breathing devices, or they can also be components thereof, so that there is no conceptual distinction made below between breathing devices and their components.
  • the breathing apparatus includes at least one breathing mask.
  • the breathing devices can further have one or more of the following elements: respiratory masks, hoses, valves, filters, compressed gas containers, regulators or combinations of the mentioned and/or other elements.
  • breathing mask is a broad term which should be given its ordinary and common meaning as understood by those skilled in the art. The term is not limited to a special or adapted meaning.
  • the term may, without limitation, refer in particular to a device which completely or partially covers an area of a user's face, whereby at least the area of the mouth and nose should be covered.
  • the breathing mask can have a preferably completely or partially flexible wall, which covers the mouth and nose and optionally other areas of the face such as the eyes, as well as at least one sealing lip, which seals the breathing mask against the face, so that there is between the face and the breathing mask forms a sealed area.
  • the breathing mask can also have at least one viewing window, particularly if the face is completely or at least largely covered.
  • the breathing mask can have at least one fixation for attachment to the user's head, for example at least one strap, at least one fixation band or at least one attachment which consists of several bands and is often referred to as a strap or spider.
  • the breathing mask can, for example, have at least one opening and can, for example, be set up to enable a supply of air or breathing gas.
  • the breathing mask can have at least one thread for connecting a breathing gas supply exhibit.
  • the breathing mask can, for example, have at least one exhalation valve.
  • the breathing mask can, for example, be made entirely or partially from a flexible material, in particular from at least one elastomer material, for example rubber and/or silicone.
  • cleaning as used herein is also a broad term and should be given its ordinary and common meaning as understood by those skilled in the art. The term is not limited to a special or adapted meaning. The term can, without limitation, refer in particular to a removal of the goods to be cleaned or items to be cleaned from adhering dirt or other contaminants and optionally also to a germ-reducing and/or germ-killing effect or even a disinfecting effect.
  • pre-cleaning step is also a broad term which should be given its ordinary and common meaning as understood by those skilled in the art.
  • the term is not limited to a special or adapted meaning.
  • the term can, without limitation, refer in particular to a sub-step of a cleaning process which, in addition to the pre-cleaning step, includes at least one further cleaning step which is downstream of the pre-cleaning step.
  • the pre-cleaning step can be designed to remove coarse contaminants or highly toxic contaminants or even contaminants in larger quantities from the items to be cleaned before the remaining contaminants are subsequently cleaned in a subsequent cleaning step.
  • the term "externally contaminated condition" as used herein is also a broad term which should be given its ordinary and common meaning as understood by those skilled in the art.
  • the term is not limited to a special or adapted meaning.
  • the term can, without limitation, refer in particular to a state of the breathing apparatus in which at least one outside of the breathing apparatus, i.e. one side of the breathing apparatus which is exposed to the environment, for example the ambient air, during use, is contaminated with contaminants.
  • Contamination can generally be understood as a state of an element in which contamination adheres to the element.
  • the externally contaminated state can be a state in which, after use in a smoky environment, fire residue, soot or other deposits that are typically found in fire brigade operations adhere to the outside of the breathing apparatus.
  • the term "respirator holder” as used herein is also a broad term which should be given its ordinary and common meaning as understood by those skilled in the art. The term is not limited to a special or adapted meaning.
  • the term can, without limitation, refer in particular to a device which has a curved sealing surface onto which a sealing lip of the breathing mask can be placed tightly.
  • the sealing surface can in particular be a smooth surface, for example a smooth stainless steel surface, a smooth plastic surface, a smooth glass surface or even a smooth ceramic surface, which is preferably so smooth that a suction cup pressed onto this surface would adhere to the surface for at least one minute.
  • the holder can, for example, be a three-dimensional body or have a three-dimensional body which has at least approximately the shape of a human head or at least the shape of a human face.
  • the three-dimensional body can also be designed entirely or partially in the shape of a shell, for example as a thick shell or as a curved sheet of metal, with a curved surface of the shell, which has at least approximately the shape and dimensions of a human face.
  • the sealing surface preferably has dimensions of at least 100 cm 2 , in particular at least 200 cm 2 .
  • the sealing surface can have a dimension of 100 cm 2 to 600 cm 2 .
  • other dimensions are also fundamentally possible.
  • the sealing surface can, for example, have an average radius of curvature of 8 cm to 40 cm.
  • sealing lip is also a broad term which should be given its ordinary and common meaning as understood by those skilled in the art.
  • the term is not limited to a special or adapted meaning.
  • the term can, without limitation, refer in particular to an elongated element which is designed as a projection, which is designed to be elastic and which is designed to form an elongated seal in cooperation with a sealing surface.
  • the sealing lip can be a ring-shaped elastic projection in the area of an edge of the breathing mask, whereby the projection can be designed to be single or double or multiple.
  • the breathing mask is clamped onto the holder in such a way that the sealing lip of the breathing mask rests on the curved sealing surface and preferably seals against it.
  • the clamping can take place in such a way that the sealing lip of the breathing mask is pressed against the sealing surface, for example elastically. Accordingly, under A “clamping” is understood to mean, in particular, pressing the breathing mask onto the sealing surface.
  • An “interior space” of the breathing mask can be understood to mean, in particular, a space between the breathing mask and the sealing surface.
  • the interior can accordingly be limited by the breathing mask and the sealing surface and can be sealed by the sealing lip.
  • pre-cleaning chamber is a broad term which should be given its ordinary and common meaning as understood by those skilled in the art.
  • the term can in particular refer to a cleaning chamber in which the at least one pre-cleaning step is carried out.
  • the term is not limited to a special or adapted meaning.
  • the term can, without limitation, refer in particular to a space partially or completely enclosed by at least one wall or at least one housing, in which cleaning and in particular the at least one pre-cleaning step in the sense of the above definition can take place.
  • This pre-cleaning chamber can basically be designed as a closed, open or openable pre-cleaning chamber.
  • the pre-cleaning chamber is enclosed on all sides or at least in two dimensions by a housing which can be designed to be completely closed, but which in principle can also have one or more feedthroughs and/or openings.
  • the pre-cleaning chamber can in particular be designed as a rigid pre-cleaning chamber, i.e. as a pre-cleaning chamber which does not change its position and/or orientation during a cleaning process, but can in principle also be designed as a movable pre-cleaning chamber, for example as a pivotable and/or rotatable pre-cleaning chamber, which during a cleaning process their position and/or orientation changes in a pre-cleaning device, for example by rotation, a rotation, a spinning process, a shaking process or similar movements.
  • the pre-cleaning chamber can be designed, for example, as a rinsing chamber of a dishwasher and the cleaning device as a dishwasher, and / or the pre-cleaning chamber can be designed as a drum of a washing machine, and the pre-cleaning device in the form of a washing machine.
  • commercial or household dishwashers and/or laundry washing machines can be modified according to the invention.
  • a modified dishwasher as is usually used for commercial use, in particular a single-chamber dishwasher with exactly one cleaning chamber and its fluid device has two separate systems, namely a rinsing system and a separate rinsing system with a separate rinsing tank in which a rinsing liquid can be tempered during rinsing.
  • the holder with the breathing mask can be introduced into the pre-cleaning chamber in various ways.
  • at least one receptacle in which the holder can be fixed can be provided in the pre-cleaning chamber.
  • the holder can also be introduced into the pre-cleaning chamber by means of at least one basket, for example the holder being firmly connected to the basket or being detachable. Examples are explained in more detail below.
  • a pre-cleaning fluid can generally be understood to mean a cleaning fluid which is set up for the purpose of the pre-cleaning described above.
  • the pre-cleaning fluid can be any liquid and/or any gas that can have a macroscopic and/or microscopic cleaning effect on the items to be cleaned, in particular the breathing apparatus and/or the breathing mask.
  • “Impingement” can generally be understood to mean bringing the items to be cleaned into contact with the pre-cleaning fluid in any way.
  • This configuration of the application can take place in particular with a fixed pre-cleaning chamber, for example in a dishwasher.
  • the application can also take place in such a way that the pre-cleaning chamber is completely or partially filled with pre-cleaning fluid, so that the pre-cleaning fluid received in the pre-cleaning chamber comes into contact with the pre-cleaning fluid at least in one position of the pre-cleaning chamber.
  • This embodiment of the application can be used in particular in an embodiment of the pre-cleaning chamber as a movable pre-cleaning chamber, for example in the form of a drum. Combinations of the above-mentioned types of exposure and/or other types of exposure are also possible.
  • the application of the cleaning fluid can be carried out in a simple operation in that the pre-cleaning fluid only acts once on the items to be cleaned, for example the breathing apparatus and/or the breathing mask.
  • cleaning can also be carried out in circulation mode by applying pre-cleaning fluid several times to the items to be cleaned is applied.
  • Such circulation operations and circulation circuits are known, for example, from conventional dishwashers or washing machines.
  • the method can be carried out in such a way that at least one breathing gas-carrying element, in particular at least one regulator, is removed from the breathing mask before method step c).
  • pulmonary regulator as used herein is also a broad term which should be given its ordinary and common meaning as understood by those skilled in the art. The term is not limited to a special or adapted meaning.
  • the term may, without limitation, refer in particular to a device which enables breathing of a pressurized breathing gas, possibly also under water or in a toxic atmosphere.
  • the device can in particular be set up to reduce breathing gas from a breathing gas source, for example a compressed gas bottle, to an ambient pressure or desired breathing pressure.
  • the regulator can, for example, include at least one regulator. To remove the regulator from the breathing mask, for example, a connection between these elements can be released, for example a screw connection or a quick connection.
  • an opening in which the regulator is connected to the breathing mask can be closed again, for example automatically by a self-closing valve and/or actively.
  • the breathing gas-carrying element can be reconnected to the breathing mask.
  • the method can further be carried out in such a way that the holder with the breathing mask clamped on it is placed in at least one transport box after method step c) and transported with the transport box to a pre-cleaning device comprising the pre-cleaning chamber before method step d) is carried out there.
  • the transport box can be sealed airtight, particularly during transport.
  • the breathing apparatus can be completely or partially transported from a place of use back to a cleaning center in order to be cleaned there.
  • At least one element of personal protective equipment assigned to the breathing mask can also be introduced into the transport box, in particular at least one element selected from the Group consisting of: a breathing gas bottle; a carrying frame for the breathing gas cylinder; a compressed air breathing apparatus.
  • the holder can be completely or partially specially shaped.
  • the holder may have, in whole or in part, a shape selected from the group consisting of: a head shape; a face shape; a spherical shape; a spherical segment shape; a spherical shell shape, a free-form surface shell.
  • the holder can be completely or partially modeled on or correspond to a so-called Sheffield test head, as is used in many tests in the field of respiratory protective devices.
  • the holder can also fully or partially correspond to the facial surface, which is specified in DIN EN 136:1998-04, Respiratory protective devices - full face masks - requirements, testing, marking, on page 19 of EN 136.
  • the dimensions specified there can also be used, for example, for the holder or the sealing surface of the holder.
  • other configurations are also possible, for example rotationally ellipsoidal shapes or spherical or spherical segment shapes.
  • the sealing surface can in particular be a continuous sealing surface, which is designed to completely seal off the interior together with the sealing lip. Accordingly, the sealing surface can, for example, be free of gaps, grooves, interruptions or similar discontinuities that penetrate the seal through the sealing lip.
  • the holder can further have at least one fastening section for fastening at least one fixation of the breathing mask to the holder.
  • a “fastening section” can generally be understood to mean a part of the holder, which can be designed in one piece with the sealing surface or separately from the sealing surface, to which the fixation of the breathing mask can be attached.
  • this fastening section can be the back of the head of a head shape or, for example, a separate extension, a rod or a similar device, which can be arranged on a rear side of the holder opposite the sealing surface.
  • the attachment section can be selected from the group consisting of: a back of the head of an artificial head of the holder; an extension of the holder on one of the curved sealing surfaces.
  • fixation can in particular be understood to mean any element or device that is set up to fix the breathing mask to the head of a user in such a way that the breathing mask with the sealing lip is firmly attached to the face is pressed.
  • the fixation can have at least one element selected from the group consisting of: a strap; a fixation tape; a spider.
  • step e) the at least one outside of the breathing mask is exposed to at least one pre-cleaning fluid.
  • This application in step e) can in particular be carried out in such a way that the interior of the breathing mask remains free of cleaning fluid.
  • the “interior” of the breathing mask can generally be understood as a space which is formed between the breathing mask and the curved sealing surface when the breathing mask is clamped onto the holders. This interior space is preferably completely closed off by the breathing mask, the curved sealing surface and the sealing lip.
  • the application in step e) is therefore preferably carried out in such a way that no pre-cleaning fluid gets into the interior.
  • the pre-cleaning step only surfaces of the breathing mask that are actually exposed to the harmful environment, for example smoke gases, are cleaned during use, but not surfaces that only come into contact with the user's skin and, for example, sweat. These surfaces can then be cleaned in at least one main cleaning step, as will be described in more detail below. In this way, for example, it can be prevented that toxic contaminants are carried over from the outside of the breathing mask to the inside during the at least one pre-cleaning step.
  • the harmful environment for example smoke gases
  • method step e) of the pre-cleaning step can be carried out in whole or in part in the circulation mode of the at least one pre-cleaning fluid, without there being a risk that toxic substances will be carried over from the outside of the breathing mask to the inside during the circulation, so that if necessary the next time it is used Then traces of these toxic substances would still be present on the inside and thus in contact with the skin, for example.
  • a further advantage of the method can in particular be that the carryover of dangerous and undesirable substances from the pre-cleaning step or the pre-cleaning chamber into the final or main cleaning step or into the final or main cleaning chamber is prevented. Such carryover would be possible in particular if contaminated pre-cleaning fluid got into the inside of the breathing mask.
  • the inside of a breathing mask usually has cavities and partial volumes that do not empty automatically.
  • the pre-cleaning fluid or part of the pre-cleaning fluid for example a main pre-cleaning fluid
  • the pre-cleaning fluid or part of the pre-cleaning fluid can be used for several consecutive Cycles of several breathing masks are used, for example for at least 3 cycles, in particular for at least 5 cycles or even more cycles.
  • Process step e) can contain a single step or several steps.
  • the application of the at least one pre-cleaning fluid can take place in several stages.
  • a washing process can first take place in a circulation operation, followed by at least one rinsing operation, in which residues of the pre-cleaning fluid used in the washing process are played off, for example with fresh water with or without additives.
  • the method can be carried out in such a way that the at least one pre-cleaning fluid comprises at least one main pre-cleaning fluid and at least one post-rinse pre-cleaning fluid.
  • Method step e) can comprise at least one main pre-cleaning step and at least one post-rinse pre-cleaning step.
  • the outside of the breathing mask can be supplied with the main pre-cleaning fluid
  • the post-rinse pre-cleaning step the outside of the breathing mask can be supplied with the post-rinse pre-cleaning fluid.
  • the main pre-cleaning step can be carried out in circulation mode
  • the post-rinse pre-cleaning step is not carried out in circulation mode, i.e.
  • the final rinse pre-cleaning fluid can in particular comprise fresh water or a heated aqueous final rinse liquid, to which, for example, rinse aid additives are added.
  • the post-rinse pre-cleaning fluid can be heated in a post-rinse tank designed separately from the pre-cleaning chamber.
  • it is also possible to change the liquids so that, for example, the main pre-cleaning fluid is removed before carrying out the post-rinse pre-cleaning step and the post-rinse pre-cleaning fluid is prepared in the same tank as the main pre-cleaning fluid beforehand.
  • the pre-cleaning step can include at least one sub-step in which the cleaned breathing apparatus is treated with a rinse solution.
  • the post-rinse pre-cleaning fluid can be provided, for example, from a second tank, in particular a boiler.
  • the final rinse pre-cleaning fluid could also be generated in a single-circuit machine, for example, by completely emptying the tank and refilling it with fresh water for the final rinse step.
  • this multi-stage design of method step e) can at least largely ensure that residues of the pre-cleaning fluid with potentially toxic substances contained therein are rinsed away from the breathing apparatus.
  • the pre-cleaning chamber can in particular have at least one fixing device for directly or indirectly receiving the holder.
  • this can be a fixation to which the holder is attached directly, whereby one or more holders, for example 2, 3, 4 or more holders at the same time, can be introduced into the pre-cleaning chamber and there, for example, by a fixing device in the form of a thread Clamp or another positive or non-positive connection can preferably be releasably fixed.
  • a fixing device in the form of a thread Clamp or another positive or non-positive connection can preferably be releasably fixed.
  • an indirect introduction can take place.
  • the pre-cleaning chamber can have at least one rail into which at least one cleaning basket can be inserted.
  • One or more holders can be fixed or detachable in this cleaning basket.
  • other components of the breathing apparatus and/or personal protective equipment can be stored in the cleaning chamber.
  • one or more small parts baskets can be contained in the holder, for example to accommodate smaller elements of personal protective equipment and/or the breathing apparatus, for example captively.
  • the at least one holder with the at least one breathing mask can generally be introduced into the pre-cleaning chamber in at least one cleaning basket.
  • a single holder can be accommodated in the cleaning basket, or a plurality of holders with a plurality of breathing masks can also be accommodated in the cleaning basket.
  • the at least one holder can, for example, be selected from the group consisting of: a holder firmly connected to the cleaning basket; a holder which can be detachably connected to the cleaning basket and which is preferably connected to the cleaning basket together with the breathing mask clamped on it before method step d).
  • Other configurations are also possible in principle.
  • the proposed method for cleaning the at least one breathing apparatus includes at least one pre-cleaning step.
  • This pre-cleaning step can in particular, as stated above, serve to at least largely free an outside of the at least one breathing mask from toxic contaminants, such as residues of smoke gases or other poisons.
  • the proposed method can also include at least one main cleaning step, in which at least other components of the breathing mask, in particular an inside of the Breathing mask, can be cleaned, for example of sweat. Since the main cleaning step is preferably carried out after the pre-cleaning step, this separation of the cleaning steps can preferably ensure that the transfer of toxic contaminants to the inside of the breathing mask can at least largely be prevented.
  • main cleaning step is a broad term which should be given its ordinary and conventional meaning as understood by those skilled in the art.
  • the term can refer in particular to a sub-step of a cleaning process.
  • the main cleaning step can be designed to apply cleaning fluid to the at least one breathing mask and possibly other parts of the breathing apparatus and possibly also other parts of the personal protective equipment and, preferably from several sides or even all sides, to clean them with the cleaning fluid.
  • sweat or other contaminants can also be removed from the inside of the breathing mask in the main cleaning step, as will be described in more detail below.
  • the main cleaning step is preferably designed to be completely separate from the pre-cleaning step and preferably takes place downstream and preferably also spatially separated from it.
  • the breathing mask can be released from the holder, for example, by lifting the sealing lip of the breathing mask from the sealing surface.
  • at least one fixation can be released from the holder, for example a fixation band or another type of fixation.
  • main cleaning chamber is a broad term which should be given its ordinary and conventional meaning as understood by those skilled in the art.
  • the term can refer in particular to a cleaning chamber in which the at least one main cleaning step is carried out.
  • the term is not limited to a special or adapted meaning.
  • the term can, without limitation, refer in particular to a space partially or completely enclosed by at least one wall or at least one housing, in which cleaning and in particular the at least one main cleaning step in the sense of the above definition can take place.
  • This main cleaning chamber can basically be designed as a closed, open or openable main cleaning chamber.
  • the main cleaning chamber is enclosed on all sides or at least in two dimensions by a housing which can be designed to be completely closed, but which in principle can also have one or more feedthroughs and/or openings.
  • the main cleaning chamber can in particular be designed as a rigid main cleaning chamber, i.e. as a main cleaning chamber which does not change its position and/or orientation during a cleaning process, but can in principle also be designed as a movable main cleaning chamber, for example as a pivotable and/or rotatable main cleaning chamber, which during a cleaning process Changes its position and/or orientation in a main cleaning device, for example by turning, rotating, spinning, shaking or similar movements.
  • the main cleaning chamber can be designed, for example, as a washing chamber of a dishwasher and the cleaning device as a dishwasher, and / or the main cleaning chamber can be designed as a drum of a washing machine, and the main cleaning device in the form of a washing machine.
  • commercial or household dishwashers and/or laundry washing machines can be modified according to the invention.
  • it can be a modified dishwasher, as is usually used for commercial use, in particular a single-chamber dishwasher with exactly one cleaning chamber, the fluid device of which has two separate systems, namely a rinsing system and a separate rinsing system with a separate rinsing tank, in which a rinsing liquid can be tempered during rinsing.
  • a main cleaning fluid can generally be understood to mean a cleaning fluid which is set up for the purpose of the main cleaning described above.
  • the main cleaning fluid can be any liquid and/or any gas that has a macroscopic and/or can have a microscopic cleaning effect on the items to be cleaned, in particular the breathing apparatus and/or the breathing mask.
  • “Impingement” can generally be understood to mean bringing the items to be cleaned into any desired contact with the main cleaning fluid. This can be done, for example, in the form of a direct application, for example by spraying, dripping, irradiating or a combination of the mentioned and/or other types of direct application, in which the main cleaning fluid directly hits the item to be cleaned, for example the breathing apparatus and/or the breathing mask.
  • This configuration of the application can take place in particular with a fixed main cleaning chamber, for example in a dishwasher. Alternatively or additionally, the application can also take place in such a way that the main cleaning chamber is completely or partially filled with main cleaning fluid, so that the main cleaning fluid received in the main cleaning chamber comes into contact with the items to be cleaned at least in one position of the main cleaning chamber.
  • This design of the application can be used in particular in a design of the main cleaning chamber as a movable main cleaning chamber, for example in the form of a drum. Combinations of the above-mentioned types of exposure and/or other types of exposure are also possible.
  • the application of the cleaning fluid can be carried out in a simple operation in that the main cleaning fluid only acts once on the items to be cleaned, for example the breathing apparatus and/or the breathing mask.
  • cleaning can also be carried out in circulation mode by applying the main cleaning fluid several times to the items to be cleaned.
  • circulation operations and circulation circuits are known, for example, from conventional dishwashers or washing machines.
  • inside is a broad term which should be given its ordinary and common meaning as understood by those skilled in the art.
  • the term is not limited to a special or adapted meaning.
  • the term can, without limitation, refer in particular to at least one surface of the breathing mask which faces the user's face when in use.
  • This inside can be sealed from the environment during use by the sealing lip.
  • the inside when the breathing mask is clamped onto the holder, the interior is formed between the breathing mask and the sealing surface, or when used by a user between the breathing mask and the user's face. Accordingly, when in use, the inside faces the user's face, but when in the clamped state, it faces the sealing surface of the holder.
  • the inside is a side that is preferably sealing Effect of the sealing lip is not exposed to the environment, for example the smoke gases.
  • the holder with the breathing mask can be introduced into the main cleaning chamber in various ways. This introduction into the main cleaning chamber is preferably carried out in such a way that the inside of the breathing mask facing the interior, as defined above, is accessible.
  • the breathing mask can be placed loosely in a cleaning basket and brought into the main cleaning chamber with this.
  • the cleaning basket can be identical to the cleaning basket used for the pre-cleaning step or can also be designed differently from this.
  • other elements of the breathing apparatus can be accommodated in the cleaning basket.
  • the cleaning basket can also have at least one small parts basket in which smaller parts of the breathing apparatus and/or personal protective equipment can be accommodated, for example in a captive manner.
  • the at least one main cleaning step can in particular as in WO 2011/144518 A1 described.
  • the cleaning device described there can be used for the main cleaning, and/or the main cleaning chamber can be provided by the cleaning device described there.
  • the at least one breathing mask can be cleaned together with at least one gas-carrying element of the breathing apparatus.
  • the application of the at least one main cleaning fluid to the breathing mask in method step iii) can take place in such a way that the gas-carrying element is acted upon with a compressed gas, so that the main cleaning fluid does not reach the interior of the gas-carrying element.
  • the main cleaning chamber can be part of a main cleaning device, which, for example in addition to a fluid device for applying the at least one main cleaning fluid to the breathing apparatus, also referred to as an application device, can also have at least one pressurization device with at least one pressure connection.
  • the pressure connection can be or can be connected to the at least one gas-carrying element of the breathing apparatus, wherein the pressurization device is set up to pressurize the gas-carrying element with compressed gas, in particular while the main cleaning fluid is being applied to the breathing mask.
  • the pressurization device is set up to pressurize the gas-carrying element with compressed gas, in particular while the main cleaning fluid is being applied to the breathing mask.
  • a pre-cleaning device for pre-cleaning personal protective equipment is proposed.
  • a pre-cleaning device can generally be understood to mean a device which has at least one pre-cleaning chamber and which is preferably set up to carry out the pre-cleaning step according to the above definition, the pre-cleaning device being involved in particular in process steps d) and e).
  • the pre-cleaning device comprises at least one pre-cleaning chamber in the sense of the above definition. Furthermore, the pre-cleaning device comprises at least one device for cleaning at least one breathing device.
  • the device can in particular be set up to carry out the method proposed above in one of the embodiments described above or in one of the embodiments described in more detail below. Accordingly, reference can be made to the above description of the method for possible configurations of the device and for definitions.
  • the breathing apparatus in turn includes at least one breathing mask.
  • the device has at least one holder, the holder having at least one curved sealing surface.
  • the breathing mask can be clamped onto the holder in such a way that a sealing lip of the breathing mask rests on the curved sealing surface and closes off an interior space of the breathing mask.
  • the device can be introduced into the pre-cleaning chamber with at least one breathing mask clamped onto the at least one holder.
  • the pre-cleaning device further has at least one application device for applying at least one pre-cleaning fluid to an outside of the breathing mask in the pre-cleaning chamber.
  • applying device also referred to as "fluid device”, as used herein is a broad term which should be given its ordinary and common meaning as understood by those skilled in the art.
  • the term is not limited to a special or adapted meaning.
  • the term can, without limitation, refer in particular to a device by means of which the item to be cleaned, for example the breathing apparatus, received within the cleaning chamber, in this case the pre-cleaning chamber, is communicated in any way directly or indirectly with the cleaning fluid, in this case in particular the pre-cleaning fluid , can be acted upon.
  • This application takes place, for example, in the form of direct application, by spraying, dripping, irradiation or a combination of the mentioned and/or other direct application types, in which cleaning fluid emerging from the fluid device in particular directly impacts the items to be cleaned.
  • the application device can in particular have at least one nozzle.
  • the pre-cleaning device can in particular be designed as a program machine and can have a controller which is set up to carry out at least one cleaning program with the at least one pre-cleaning step.
  • the pre-cleaning device can be designed in the form of a dishwasher, in whose cleaning chamber, which can function here as a pre-cleaning chamber, the device described the holder is accommodated and which, for example, has a control for carrying out the pre-cleaning step.
  • the dishwasher can in particular be designed as a commercial dishwasher, with a separate tank for rinsing liquid.
  • a single-circuit dishwasher can also be used as a pre-cleaning device, which only has a fluid tank from which, for example in circulation mode, the breathing masks are cleaned with pre-cleaning fluid.
  • the holder can in particular have a shape selected from the group consisting of: a head shape; a face shape; a spherical shape; a spherical segment shape; a spherical shell shape; a freeform surface shell.
  • the sealing surface can in particular be a continuous sealing surface, which is designed to completely seal the sealing lip and to completely close off the interior space surrounded by the sealing lip.
  • the holder can further have at least one fastening section for fastening at least one fixation of the breathing mask to the holder, in particular at least one fixation selected from the group consisting of: a strap; a fixation tape; a spider.
  • the attachment section can in particular be selected from the group consisting of: a back of the head of an artificial head of the holder; an extension of the holder on one of the curved sealing surfaces.
  • the cleaning device can further comprise at least one cleaning basket.
  • the holder can in particular be selected from the group consisting of: a holder firmly connected to the cleaning basket; a holder which can be detachably connected to the cleaning basket and which is preferably connected to the cleaning basket together with the breathing mask clamped on it before method step d).
  • a cleaning system for cleaning at least one breathing device with at least one breathing mask and optionally further components becomes more personal Protective equipment suggested.
  • cleaning system as used herein is a broad term which should be given its ordinary and common meaning as understood by those skilled in the art. The term is not limited to a special or adapted meaning. The term can, without limitation, refer in particular to a device composed of several components which serves the purpose of cleaning.
  • the cleaning system can have two or more cleaning devices, in each of which at least one cleaning chamber is provided and in each of which the items to be cleaned can be acted upon with cleaning fluid.
  • the cleaning system can in particular be set up to carry out the method described above in one or more of the embodiments described.
  • the cleaning system comprises at least one pre-cleaning device according to one or more of the embodiments described above or described in more detail below. Furthermore, the cleaning system comprises at least one main cleaning device, in particular a main cleaning device designed separately from the pre-cleaning device.
  • the main cleaning device in turn comprises at least one main cleaning chamber, in particular a main cleaning chamber that is separate from the pre-cleaning chamber. After pre-cleaning in the pre-cleaning device, the breathing mask can be removed from the holder and introduced into the main cleaning chamber.
  • the main cleaning device further has at least one application device for applying at least one main cleaning fluid to the breathing mask, including an inside of the breathing mask facing the interior.
  • a main cleaning device can be understood as meaning a cleaning device in which the at least one main cleaning step can be carried out.
  • the at least one main cleaning device for example, as already stated above, reference can be made to the in WO 2011/144518 A1 the cleaning device described can be referred to. However, other configurations are also possible in principle.
  • the cleaning system can in particular have two separate dishwashers, with a first dishwasher serving as a pre-cleaning device in which, with the breathing mask clamped onto the holder, at least one pre-cleaning step can take place.
  • a second dishwasher can serve as the main cleaning device in which the main cleaning step takes place.
  • at least one pressurization device with at least one pressure connection can be provided in the main cleaning device.
  • the pressure connection can be or can be connected to the at least one gas-carrying element of the breathing apparatus, wherein the pressurization device is set up to pressurize the gas-carrying element with compressed gas, in particular while the breathing mask is pressurized with the main cleaning fluid.
  • the main cleaning device can in particular be designed as a commercial dishwasher, for example with at least two separate tanks, whereby preparation of final rinsing fluid can take place in a rinsing tank, separate from a washing tank.
  • the proposed method and devices have numerous advantages over known methods and devices for cleaning breathing apparatus.
  • parts of the personal protective equipment PPE
  • PPE personal protective equipment
  • cleaning can be divided into at least two steps, namely at least one pre-cleaning step and at least one main cleaning step.
  • coarse contamination can be removed, especially from the outside of the individual parts such as the breathing masks.
  • the breathing masks in particular can then be cleaned on the inside in a second step, the main cleaning step, and then optionally disinfected.
  • the proposed method allows efficient pre-cleaning of breathing masks, which, for example, removes combustion residues such as soot and/or other substances that are hazardous to health Substances must be removed, especially washed off.
  • the proposed method efficiently prevents the substances washed from the outside of the breathing mask from contaminating the inside of the mask by also transporting them into the interior of the mask during the washing process, for example by circulating the cleaning fluid, for example the washing liquor.
  • the proposed method effectively prevents the interior of the mask from being unnecessarily contaminated by the combustion residues, so that there is no need for subsequent removal of this contamination on the inside.
  • the proposed method effectively prevents the main cleaning device, which can generally be designed, for example, as a disinfectant dishwasher, from being contaminated by carried-over fluid residues with undesirable substances contained therein, such as combustion residues.
  • the breathing masks can be placed in the pre-cleaning device for the preparation of, for example, up to four complete sets of respiratory protective equipment, comprising the breathing mask, the regulator, the compressed air breathing apparatus and the compressed gas bottle, still fully assembled on the holder, for example on the holder in the form of a head or a holding plate so that the sealing lips of the breathing masks and the sealing surfaces of the holders completely seal off the interior of the breathing masks.
  • the breathing masks can be fixed, for example, by tightening the spider or strapping the breathing masks to the head itself or to a corresponding counterpart on the holder, for example the holding plate.
  • An open hose end of the regulator can, for example, be closed and/or sealed before the cleaning process, as described above under 5. Penetration of combustion residues into the interior of the breathing mask during the pre-cleaning step can therefore preferably be effectively prevented, so that preferably no toxins are carried over into the subsequent main cleaning step.
  • the breathing apparatus 112 includes a breathing mask 114, in particular a breathing mask, which in Figure 1 is shown as an example.
  • This breathing mask 114 can, for example, have a viewing window 116, a connector 118 for connecting a regulator or a regulator, and a self-closing exhalation valve 120.
  • the breathing mask 114 includes at least one sealing lip 122 for sealing an interior 124 of the breathing mask 114 from an environment.
  • a side of the breathing mask 114 facing the interior 124 is also referred to below as the inside, whereas the one in Figure 1 external side is referred to as the outside.
  • the device 110 includes a holder 126 onto which the breathing mask 114 can be clamped.
  • the holder 126 comprises a curved sealing surface 128, wherein when the breathing mask 114 is clamped onto the holder 126, the at least one sealing lip 122 is pressed against the sealing surface 128 and seals against it.
  • the devices 110 differ according to the embodiments in the Figures 1 and 2 by the shape of the holder.
  • the bracket is 126 in Figure 1
  • the holder 126 has a head shape, for example the shape of a standard head described above Figure 2 a shape of a bowl 130.
  • This shell 130 can, for example, be a spherical shell segment or also have a different shell shape.
  • Another shape with a curved sealing surface 128, which at least approximately corresponds to a face, is also possible in principle.
  • the fixation 132 may, for example, comprise at least one strap, at least one spider, or at least one fixation band, as in Figure 1 shown as an example.
  • the holder 126 has at least one fastening section 134.
  • the attachment section 134 for example, can be the back of the head, is in the holder 126 according to the exemplary embodiment Figure 2
  • a linkage 136 is provided, with a rearwardly projecting extension 138 opposite the curved sealing surface 128, which can act as a fastening section 134.
  • the holder 126 in the exemplary embodiments shown as well as in other exemplary embodiments can also have at least one connecting element 140, by means of which the holder 126 can be firmly or releasably inserted into a cleaning basket, as will be described in more detail below.
  • the connecting element 140 can be inserted into the lower end of the head.
  • the connecting element 140 can be part of the linkage 136, for example a vertical support rod 142, wherein, for example, the extension 138 can extend vertically or at an angle backwards from the support rod 142 and wherein a lower end of the support rod 142 can accommodate the connecting element 140, for example .
  • This can be, for example, a thread or a similar connecting element.
  • a simple smooth end of the support rod 142 is also possible, which is then inserted into a corresponding receptacle in a cleaning basket, for example.
  • a pre-cleaning device 144 is shown for pre-cleaning, i.e. for carrying out at least one pre-cleaning step, of the breathing apparatus 112.
  • the breathing mask 114 is first separated from at least one gas-carrying element 146, for example from at least one compressed air breathing apparatus or breathing regulator.
  • the breathing mask 114 is clamped onto the holder 126, as shown in FIG Figures 1 and 2 described.
  • the device 110 comprising the holder 126 with the breathing mask 114 clamped thereon, is introduced into a cleaning basket 148 by, for example, releasably connecting the holder 126 to this cleaning basket 148.
  • the at least one gas-carrying element 146 can then be reconnected to the breathing mask 114, for example by reconnecting a compressed air breathing apparatus and/or regulator to the connection piece 118 and sealing it tightly.
  • the interior 124 of the breathing mask 114 is thus tightly closed.
  • the cleaning basket 148 can be introduced into a pre-cleaning chamber 150 of the pre-cleaning device 144, which can be locked, for example, by a door 152, in particular a flap.
  • a pre-cleaning chamber 150 of the pre-cleaning device 144 can be locked, for example, by a door 152, in particular a flap.
  • the pre-cleaning device 144 can also be designed as a hood dishwasher.
  • the breathing apparatus 112 can be supplied with pre-cleaning fluid 156 from at least one pre-cleaning tank 158 via at least one application device 154.
  • the pre-cleaning tank 158 is arranged, for example, at the bottom of the pre-cleaning chamber 150 and can be heated, for example, by at least one heating device 160.
  • the application device 154 can, for example, comprise nozzle arms arranged above and below the cleaning basket 148, which can be fed from the pre-cleaning tank 158, for example via a circulation pump 162.
  • one or more filters for example coarse filters and/or fine filters, can be provided in order to at least partially purify the pre-cleaning fluid 156 of the pre-cleaning tank 158.
  • At least one drain pump 164 can be provided, which can empty the pre-cleaning tank 158 into a drain 166.
  • the pre-cleaning device 144 can have at least one controller 168 for controlling at least one pre-cleaning step and/or at least one pre-cleaning program with several steps.
  • the pre-cleaning device 144 shown as an example no separate rinsing circuit and rinsing tank are shown, since this is not absolutely necessary for the pre-cleaning step.
  • an outside of the breathing apparatus 112 can only be washed in circulation mode.
  • a final rinse tank can also be provided in which, independently of the pre-cleaning tank 158, final rinse liquid can be prepared in order to enable final rinse with a further application device.
  • the post-rinsing could also be carried out with the pre-cleaning device shown, by emptying the tank 158 and filling it with fresh fluid for a post-rinsing step.
  • This rinsing fluid could be sprayed and/or injected over the pre-cleaned breathing apparatus 112 by means of the circulation pump 162 and the application device 154. Further optionally, this rinsing fluid could be temporarily stored in the pre-cleaning tank 158 for the next subsequent pre-cleaning step.
  • the tanks 186, 202 in Figure 4 shown and described in more detail below and to the corresponding loading device 176, which is also in the device according to Figure 3 could be implemented, as those skilled in the art will recognize.
  • FIG 4 is, in a sectional view analogous to Figure 3 , an exemplary embodiment of a main cleaning device 170 is shown, which is set up to carry out at least one main cleaning step of one or more breathing devices 112.
  • the main cleaning device 170 can be designed, for example, as a dishwasher, whereby, for example, commercial dishwashers can be converted accordingly, for example undercounter dishwashers from MEIKO Maschinenbau GmbH & Co. KG, 77652 Offenburg, Germany.
  • the main cleaning device 170 includes a main cleaning chamber 172.
  • the main cleaning chamber 172 can be opened, for example, through a door 174, for example again a flap, a swing door or a sliding door, and / or through another opening device.
  • the main cleaning chamber 172 can also be designed completely or partially as a cleaning chamber covered by a hood.
  • the dishwasher is designed, for example, as a front-loading dishwasher, as is the pre-cleaning device 144 according to Figure 3 .
  • other configurations are also possible.
  • the main cleaning device 170 in turn has at least one application device 176, also referred to as a fluid device, for applying one or more main cleaning fluids to the breathing devices 112 accommodated in the main cleaning chamber 172.
  • the application device 176 can again, analogous to the design of the pre-cleaning device 144 according to Figure 3 , one or more nozzles 178, which may be arranged, for example, above and/or below the breathing devices 112 and/or at other locations within the main cleaning chamber 172, for example on one or more side walls.
  • the application device 176 as in the illustrated embodiment Figure 4 , a washing nozzle system 180, for example with one or more nozzle arms with several nozzles 178 which are accommodated above and/or below the breathing devices 112 and are preferably rotatably and/or pivotably mounted.
  • the application device 176 can also include a rinsing nozzle system 182, for example with one or more rinsing nozzle arms, which are preferably rotatably and/or pivotally mounted and which can, for example, be arranged above and/or below the breathing devices 112.
  • a washing nozzle system 180 for example with one or more nozzle arms with several nozzles 178 which are accommodated above and/or below the breathing devices 112 and are preferably rotatably and/or pivotably mounted.
  • the application device 176 can also include a rinsing nozzle system 182, for example with one or more rinsing nozzle arms, which are preferably rotatably and/or pivotally mounted and which can, for example, be arranged above
  • the application device 176 can also, analogous to the pre-cleaning device 144 according to Figure 3 , in turn include one or more further elements, for example one or more pipelines, one or more pumps and / or one or more tanks.
  • at least one washing line system 184 is provided for supplying the washing nozzle system 180 with main cleaning fluid 186, for example cleaning solution one or more main cleaning tanks 188.
  • the main cleaning tank 188 can be provided in the bottom area of the main cleaning chamber 172 and / or can in turn be connected to the main cleaning chamber 172 in another way, so that main cleaning fluid 186 flows back into the main cleaning tank 188 after the breathing devices 112 have been acted upon and /or can drip.
  • the supply device 176 can also have one or more circulation pumps 190.
  • one or more heating elements 192 can be provided to heat the main cleaning fluid 186 of the main cleaning tank 188 and / or other tanks, for example in the form of a washing tank heater within the main cleaning tank 188.
  • the main cleaning tank 188 can in turn, for example via a drain line 192 and optionally via a drain pump 194, can be emptied into a drain 196.
  • the main cleaning fluid 186 can be applied to the breathing devices 112 in particular in a circulation operation by spraying and/or spraying the main cleaning fluid 186 from the main cleaning tank 188 onto the breathing devices 112 via the washing nozzle system 180, in order to then drain or drip back into the main cleaning tank 188 in order to to be reused from there.
  • one or more filters for example coarse filters and/or fine filters, can be provided in order to at least partially purify the main cleaning fluid 186 of the main cleaning tank 188.
  • the rinsing nozzle system 182 can, for example, be supplied with a further main cleaning fluid 200, for example a rinsing liquid, via at least one rinsing line system 198.
  • a further main cleaning fluid 200 for example a rinsing liquid
  • the main cleaning device 170 is designed as a two-circuit system.
  • the further main cleaning fluid 200 is provided, for example, from a separate tank, which in the illustrated embodiment is designed as a final rinse tank 202, which is designed separately from the main cleaning tank 188.
  • the final rinse tank 202 can be viewed as a further main cleaning tank 204, since the final rinse is also carried out in the main cleaning device 170 according to Figure 4 is still part of the main cleaning step.
  • this rinsing tank 202 can be designed as a boiler and can, for example, include a rinsing tank heater 206.
  • a rinsing tank heater 206 other types of heating elements can also be provided for the further main cleaning fluid 200, in particular the rinsing fluid or the rinsing liquid, for example one or more instantaneous water heaters.
  • the same also applies to the main cleaning fluid 186 in the main cleaning tank 188.
  • the final rinse tank 202 can be charged with main cleaning fluid 200, for example fresh water, via one or more inlets 208.
  • one or more dosing systems 210 can be provided in each case in order to add one or more additives to the respective cleaning fluid, for example cleaning concentrates and/or rinse aid concentrates and/or disinfectant concentrates.
  • the actuation of the rinsing nozzle system 198 can preferably take place in simple operation, i.e. not in recirculation mode, so that the rinsing fluid or main cleaning fluid 200 from the rinsing tank 202 only acts on the breathing apparatus 112 once.
  • the loading device 176 can comprise, for example, one or more pressure boosting pumps 212.
  • the main cleaning of the breathing apparatus 112 in the main cleaning device 170 according to Figure 4 can be done, for example, by detaching the breathing masks 114 from the holder 126 and placing them loosely in one or more cleaning baskets 214, as will be described in more detail below.
  • An inside of the breathing masks 114 facing the respective interior 124 is no longer covered by a holder 126, so that this respective inside, in Figure 4 symbolically designated with the reference number 216, as well as an outside 218, to which the main cleaning fluid 186 or 200 is accessible.
  • the breathing apparatus can then be placed into the main cleaning chamber 172 using the cleaning basket 214 and the door 174 can be closed.
  • a main cleaning program can then preferably be started, which can be controlled, for example, via a controller 220, for example a central machine controller or a decentralized controller.
  • the main cleaning tank 188 can first be filled with main cleaning fluid 186 and/or a precursor of this main cleaning fluid 186 by means of the rinsing nozzle system 182, for example fresh water, in particular demineralized fresh water. This can then be conditioned within the main cleaning tank 188, for example by adding one or more additives via a metering system 222 and/or by heating using the heating element 192.
  • the main cleaning fluid 186 can also remain in the main cleaning tank 188 after a final rinse program of a previous cleaning cycle to be used in a subsequent cleaning cycle as the main cleaning fluid 186 and/or as a component thereof, since rinsing fluid generally has a comparatively high degree of purity even after the breathing apparatus 112 has been acted upon.
  • the breathing apparatus 112 can then be cleaned, in particular washed, in one or more main cleaning program steps, preferably in circulation mode.
  • adhering contaminants can be removed from the breathing devices 112 and/or the breathing devices 112 can be hygienized.
  • the main cleaning tank 188 can preferably be emptied via the drain line 192 and the drain pump 194.
  • the final rinse tank 202 may have already been filled previously with the further main cleaning fluid 202, which functions as a final rinse fluid, for example with fresh water with or without additives, for example with demineralized fresh water.
  • One or more additives can then be added via the dosing system 210, and/or the cleaning fluid 200 can be heated as a rinsing fluid by means of the rinsing tank heater 206 and/or a continuous-flow heater.
  • the preconditioned rinsing fluid 200 can then be applied to the breathing devices 112 in the at least one rinsing step via the rinsing nozzle system 182, so that they are rinsed and/or rinsed clear.
  • at least one drying step can optionally be followed, which can be designed passively, by simply waiting, or which can also be actively supported, for example via at least one drying fan and / or another type of drying device of the main cleaning device 170.
  • the door 174 which was previously optionally preferably locked, can be automatically released and/or opened.
  • the entire program sequence can be controlled, for example, by the controller 220, and several program sequences can also be selected.
  • Figure 4 illustrated embodiment of the main cleaning device 170 as well as that in Figure 3 illustrated embodiment of the pre-cleaning device 144, represents only one of several different embodiments. Individual or several or even all of the elements described above can also be implemented in a different framework. For example, the fluid circuits shown can be modified, and the respective cleaning chambers can be designed in a different way, for example rotatable and/or pivotable.
  • the at least one breathing apparatus 112 is preferably located within the main cleaning chamber 172 in at least placed in a cleaning basket 214.
  • a cleaning basket 214 is also possible, preferably a holder in which the inside 216 of the at least one breathing mask 114 is freely accessible to the respective main cleaning fluid 186, 200.
  • the cleaning basket 214 can also have one or more small parts baskets 224, which are optionally also in the cleaning basket 148 in the embodiment in Figure 3 can be provided.
  • fixations can be provided for the at least one breathing device, for example for positioning one or more components of the breathing device 112.
  • the at least one gas-carrying element 146 of the breathing devices 112 for example a regulator, a gas line of the regulator, a regulator, a compressed air breathing apparatus or other gas-carrying components, from coming into contact with the at least one main cleaning fluid 186, 200 and through their insides If this cleaning fluid is contaminated, it is provided that the at least one gas-carrying element 146 is optionally subjected to compressed gas during one or more program steps of the main cleaning taking place in the main cleaning device 170.
  • the main cleaning device 170 preferably has at least one pressurization device 226. This pressurization device 226 is set up to pressurize the at least one gas-carrying element 146 with compressed gas.
  • the pressure application device 226 has at least one pressure connection 228, which can be connected to the gas-carrying element 146 in such a way that such gas application can take place, for example compressed air application.
  • this pressure connection 228 is designed as a component of the cleaning basket 214.
  • the pressure connection 228 can also be provided at other locations of the main cleaning device 170, for example inside the main cleaning chamber 172.
  • the pressure connection 228 can, for example, be designed as a connection for a regulator in the illustrated embodiment.
  • the pressure connection 228 can generally be designed in this or in other exemplary embodiments in such a way that it can be connected to several types of gas-carrying elements 146, for example to different types and/or different types.
  • the pressure connection 228 can include a plurality of adapters and/or the main cleaning device 170 can be supplied with an adapter set with several adapters of different pressure connections 228, so that there is a high degree of flexibility with regard to the type of gas-carrying elements 146.
  • the pressure connection 228 may include a quick coupling.
  • the main cleaning device 170 can comprise at least one internal and/or at least one external compressed gas source in the illustrated exemplary embodiment or in other embodiments. These can, for example, be connected to at least one external pressure connection 230, which can be connected to the pressure connection 228, for example via a compressed gas line 232.
  • one or more couplings 234 may be provided to enable reversible removal of the cleaning basket 214.
  • one or more valves 236 can be provided in the compressed gas line 232. These valves 236 can be controlled by the controller 220, for example.
  • the pressurization of the at least one gas-carrying element 146 can be carried out in a controlled manner by means of the pressurization device 226 in this or other exemplary embodiments of the invention, for example by the pressurization being specifically applied before the breathing apparatus 112 begins to be pressurized with main cleaning fluid 186, 200 takes place.
  • the pressurization can also take place only in one or more program steps, for example only in one or more program steps, during which the breathing devices 112 are pressurized with main cleaning fluid 186, 200.
  • the application of compressed gas for example compressed air
  • the pressurization can be adjusted, for example, in the various program steps.
  • This cleaning system 238 initially includes at least one device 110 for cleaning at least one breathing device, for example according to the exemplary embodiments in the Figures 1 or 2 or according to other embodiments, with a holder 126 on which at least one breathing mask 114 can be clamped.
  • the device 110 together with a pre-cleaning device 144, for example according to the exemplary embodiment Figure 3 , forms a pre-cleaning device 144.
  • the pre-cleaning device 144, together with a main cleaning device 170, for example according to the embodiment in Figure 4 ultimately forms the cleaning system 238.
  • the breathing mask 114 is first clamped onto the holder 126, introduced into the pre-cleaning chamber 150 and acted upon there with the pre-cleaning fluid 156 in order to clean the outside 218 of the Breathing mask 114 from adherent To clean contaminants, whereby the inside 216 is not cleaned.
  • the breathing mask 114 is released from the holder 126 and brought into the main cleaning chamber 172 of the main cleaning device 170, together with the at least one gas-carrying element 146, in order to be subjected to a main cleaning step on all sides, i.e. on the outside 218 and the inside 216 .
  • the gas-carrying element 146 is preferably, as stated above, supplied with compressed gas, in particular compressed air, in such a way that no main cleaning fluid 186, 200 can get into the interior of the at least one gas-carrying element 146.
  • this main cleaning step which can also include at least one disinfection, the outside 218 and the inside 216 of the breathing mask 114 are cleaned so that, for example, adhering sweat is rinsed away from the inside 216.
  • the separation of the main cleaning step from the pre-cleaning step effectively prevents toxic contaminants from reaching the inside 216 from the outside 218 via the pre-cleaning fluid 156. It also prevents toxic impurities from being carried over into the main cleaning step and contaminating the main cleaning fluid there.
  • FIG 6 an embodiment of a method according to the invention for cleaning at least one breathing device 112 is shown schematically.
  • the method includes at least one pre-cleaning step 240 and at least one main cleaning step 242.
  • the breathing apparatus 112 is provided in a contaminated state.
  • a firefighter can end or interrupt an operation for this purpose, can detach at least one gas-carrying element 146, for example a regulator, from the breathing mask 114, although in practice the breathing mask 114 can be left on the face for a short time for the purpose of acclimatization.
  • the firefighter can pull the breathing mask 114 off his face so that he only touches the outside 218 that is contaminated from the outside with his gloves.
  • the breathing mask 114 can be placed in a transport box, not shown in the figures, in which the breathing masks 114 are already clamped on holders 126, for example.
  • a further process step of the method comprises according to Figure 6 , designated by reference numeral 246, providing the at least one holder 126 for the at least one breathing mask 116, the holder, as explained above, based on Figures 1 and 2 , has at least one curved sealing surface 128.
  • the method includes a method step 248, in which the at least one breathing mask 114 is clamped onto the holder 126. This clamping takes place in such a way that the at least one sealing lip 122 Breathing mask 114 rests on the curved sealing surface 128 of the holder 126 and closes the interior 124 of the breathing mask 114, for example airtight.
  • the gas-carrying elements 146 preferably remain together, for example by leaving the regulator on the compressed air breathing apparatus, as well as the compressed gas bottle.
  • These gas-conducting elements 146 can also be packed in one or more transport boxes, which, for example, but not necessarily, can be designed separately from the at least one transport box for the breathing masks 114.
  • the transport boxes can, for example, be sealed airtight for transport.
  • the transport boxes can then be opened in the so-called black area of the fire department, the dirty work area.
  • this can be done using personal protective equipment such as a face mask and gloves.
  • a method step 250 then takes place, in which the at least one holder 126 with the breathing mask 114 clamped thereon is introduced into the pre-cleaning chamber 150 of the pre-cleaning device 144, for example by means of the at least one cleaning basket 148.
  • one or more gas-carrying elements 146 can be introduced into the pre-cleaning chamber 150 become.
  • four compressed air breathing apparatuses including regulators and compressed gas bottles as well as a corresponding number of breathing masks 114 can be removed from the transport box on the corresponding holders 126 and placed in the pre-cleaning chamber 150 of the pre-cleaning device 144.
  • the regulators can be reconnected to the breathing masks 114, so that both the gas-conducting elements 146 and the breathing masks 114 are closed to the outside, as explained above.
  • the at least one outer side 218 of the at least one breathing mask 114 in the pre-cleaning chamber 150 is acted upon with the at least one pre-cleaning fluid 156.
  • the gas-carrying elements 146 can optionally also be acted upon with the pre-cleaning fluid 156.
  • This application is preferably carried out at least partially in the circulation process, whereby, for example, the pre-cleaning fluid 156 can be left in the pre-cleaning tank 158 for several pre-cleaning cycles.
  • the at least one inside 216 of the at least one breathing mask 114 is not brought into contact with the pre-cleaning fluid 156, since the breathing mask 114 is clamped on the respective holder 126. A transfer of contamination from the outside 218 to the inside 216 is thus effectively avoided.
  • the at least one pre-cleaning fluid 156 can also include a plurality of pre-cleaning fluids 156, with, for example, at least one of these several pre-cleaning fluids, also referred to as the main pre-cleaning fluid, being used for a main pre-cleaning step, which is preferably carried out in circulation mode, and then at least one more of these several pre-cleaning fluids, also referred to as Post-rinse pre-cleaning fluid can be used for at least one post-rinse pre-cleaning step, also referred to as a final rinse step.
  • the final rinsing step preferably does not take place in circulation mode, so that the application only takes place once, with residues of the main pre-cleaning fluid as well as any impurities and toxins contained therein being rinsed off by the final rinsing pre-cleaning fluid.
  • the post-rinse pre-cleaning fluid can include, for example, fresh water.
  • the post-rinse pre-cleaning fluid can be prepared, for example, in a separate tank or boiler.
  • the pre-cleaning step 240 ends. However, this can include further process steps.
  • the at least one main cleaning step 242 follows the at least one pre-cleaning step 240. This initially includes releasing the at least one breathing mask 114 from the at least one holder 126 in step 254. The at least one breathing mask 114 is then introduced into the main cleaning chamber 172 of the main cleaning device 170 in method step 256. There, in method step 258, the breathing mask 114 is exposed to the at least one main cleaning fluid 186, 200, including the inside 216, which is now no longer sealed by the holder 126. Here, for example, sweat can be washed off from the inside 216.
  • one or more gas-carrying elements 146 can also be cleaned, as described above, with these gas-carrying elements 146 preferably being subjected to pressurized gas, so that no main cleaning fluid 186, 200 gets into the interior of these gas-carrying elements 146 can.
  • disinfection can optionally also take place.
  • the elements can either be dried in the main cleaning chamber 170 or can be dried externally.
  • compressed air breathing apparatus can then be hung up to dry and/or placed in a drying cabinet, and compressed gas cylinders can be dried manually or stored for drying.
  • the holders 126 for example the heads, can be cleaned after carrying out the pre-cleaning step 240, optionally together with the at least one transport box, for example in the pre-cleaning device 144 or otherwise. These can then be dried before, for example, being put back together on the vehicles, ready for the next use.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)

Claims (14)

  1. Procédé de nettoyage d'au moins un appareil respiratoire (112) comprenant au moins un masque respiratoire (114), le procédé comprenant au moins une étape de pré-nettoyage, l'étape de pré-nettoyage comprenant les sous-étapes suivantes :
    a) la fourniture de l'appareil respiratoire (112) dans un état de contamination extérieure ;
    b) la fourniture d'au moins un support (126) pour le masque respiratoire (114), le support (126) présentant au moins une surface d'étanchéité incurvée (128) ;
    c) le montage du masque respiratoire (114) sur le support (126), de telle sorte qu'au moins une lèvre d'étanchéité (122) du masque respiratoire (114) repose sur la surface d'étanchéité incurvée (128) et ferme un espace intérieur (124) du masque respiratoire (114) ;
    d) l'introduction du support (126) avec le masque respiratoire (114) dans une chambre de pré-nettoyage (150) ; et
    e) la sollicitation d'un côté extérieur (218) du masque respiratoire (114) dans la chambre de pré-nettoyage (150) avec au moins un fluide de pré-nettoyage (156).
  2. Procédé selon la revendication précédente, dans lequel le support (126) présente une forme choisie dans le groupe constitué par : une forme de tête ; une forme de visage ; une forme de sphère ; une forme de segment de sphère ; une forme de coque sphérique ; une coque à surface de forme libre.
  3. Procédé selon l'une quelconque des revendications précédentes, dans lequel la surface d'étanchéité (128) est une surface d'étanchéité continue (128) qui est adaptée pour fermer complètement l'espace intérieur (124) conjointement avec la lèvre d'étanchéité (122).
  4. Procédé selon l'une quelconque des revendications précédentes, dans lequel le support (126) présente en outre au moins une section d'attache (134) pour attacher au moins une fixation (132) du masque respiratoire (114) au support (126).
  5. Procédé selon l'une quelconque des revendications précédentes, dans lequel la sollicitation à l'étape e) est effectuée de telle sorte que l'espace intérieur (124) du masque respiratoire (114) reste exempt de fluide de nettoyage.
  6. Procédé selon l'une quelconque des revendications précédentes, dans lequel l'étape de procédé e) est réalisée au moins en partie en mode de circulation du fluide de pré-nettoyage (156).
  7. Procédé selon l'une quelconque des revendications précédentes, dans lequel l'au moins un fluide de pré-nettoyage comprend au moins un fluide de pré-nettoyage principal et au moins un fluide de pré-nettoyage de rinçage secondaire, l'étape de procédé e) comprenant au moins une étape de pré-nettoyage principale et au moins une étape de pré-nettoyage de rinçage secondaire ; dans l'étape de pré-nettoyage principale, le côté extérieur du masque respiratoire (114) étant sollicité avec le fluide de pré-nettoyage principal et, dans l'étape de pré-nettoyage de rinçage secondaire, le côté extérieur du masque respiratoire (114) étant sollicité avec le fluide de pré-nettoyage de rinçage secondaire.
  8. Procédé selon l'une quelconque des revendications précédentes, dans lequel le support (126) avec le masque respiratoire (114) est introduit dans la chambre de pré-nettoyage (150) dans un panier de nettoyage (148).
  9. Procédé selon la revendication précédente, dans lequel le support (126) est choisi dans le groupe constitué par : un support (126) relié de manière fixe au panier de nettoyage (148) ; un support (126) pouvant être relié de manière amovible au panier de nettoyage (148), qui est relié au panier de nettoyage (148) avant l'étape de procédé d), avec le masque respiratoire (114) monté sur celui-ci.
  10. Procédé selon l'une quelconque des revendications précédentes, comprenant en outre au moins une étape de nettoyage principal réalisée après l'étape de pré-nettoyage, comprenant les sous-étapes suivantes :
    i) le détachement du masque respiratoire (114) du support (126) ;
    ii) l'introduction du masque respiratoire (114) dans une chambre de nettoyage principal (172) ; et
    iii) la sollicitation du masque respiratoire (114), y compris un côté intérieur (216) du masque respiratoire (114) orienté vers l'espace intérieur (124), avec au moins un fluide de nettoyage principal (186, 200).
  11. Procédé selon la revendication précédente, dans lequel, dans l'étape de nettoyage principal, le masque respiratoire (114) est nettoyé conjointement avec au moins un élément conducteur de gaz (146) de l'appareil respiratoire (112) ; dans l'étape de procédé iii), l'élément conducteur de gaz (146) étant sollicité avec un gaz sous pression, de telle sorte que le fluide de nettoyage principal (186, 200) ne parvient pas à l'intérieur de l'élément conducteur de gaz (146).
  12. Dispositif de pré-nettoyage (144) pour le pré-nettoyage d'un équipement de protection personnelle, comprenant au moins une chambre de pré-nettoyage (150), comprenant en outre au moins un dispositif (110) pour le nettoyage d'au moins un appareil respiratoire (112), l'appareil respiratoire (112) comprenant au moins un masque respiratoire (114), le dispositif (110) présentant au moins un support (126), le support (126) présentant au moins une surface d'étanchéité (128) incurvée, le masque respiratoire (114) pouvant être monté sur le support (126) de telle sorte qu'une lèvre d'étanchéité (122) du masque respiratoire (114) repose sur la surface d'étanchéité (128) incurvée et ferme un espace intérieur (124) du masque respiratoire (114), le dispositif (110) pouvant être introduit dans la chambre de pré-nettoyage (150) avec au moins un masque respiratoire (114) monté sur l'au moins un support (126), le dispositif de pré-nettoyage (144) présentant en outre au moins un dispositif de sollicitation (154) pour solliciter un côté extérieur (218) du masque respiratoire (114) dans la chambre de pré-nettoyage (150) avec au moins un fluide de pré-nettoyage (156), comprenant en outre au moins un panier de nettoyage (148), le support (126) étant choisi dans le groupe constitué par : un support (126) relié de manière fixe au panier de nettoyage (148) ; un support (126) pouvant être relié de manière amovible au panier de nettoyage (148).
  13. Dispositif de pré-nettoyage (144) selon la revendication précédente, dans lequel le support (126) présente en outre au moins une section d'attache (134) pour attacher au moins une fixation (132) du masque respiratoire (114) au support (126).
  14. Système de nettoyage (238) pour le nettoyage d'au moins un appareil respiratoire (112), comprenant au moins un dispositif de pré-nettoyage (144) selon l'une quelconque des revendications 12 ou 13 précédentes concernant un dispositif de pré-nettoyage (144), comprenant en outre au moins un dispositif de nettoyage principal (170), le dispositif de nettoyage principal (170) présentant au moins une chambre de nettoyage principal (172), au moins un masque respiratoire (114) de l'appareil respiratoire (112) pouvant être introduit dans la chambre de nettoyage principale (172) après un pré-nettoyage dans le dispositif de pré-nettoyage (144), détaché du support (126), le dispositif de nettoyage principal (170) présentant en outre au moins un dispositif de sollicitation (176) pour solliciter le masque respiratoire (114), y compris un côté intérieur (216) du masque respiratoire (114) orienté vers l'espace intérieur (124), avec au moins un fluide de nettoyage principal (186, 200).
EP19714625.1A 2018-03-28 2019-03-28 Procédé et dispositif pour le nettoyage d'au moins un appareil respiratoire Active EP3774090B1 (fr)

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DE102018204763.4A DE102018204763A1 (de) 2018-03-28 2018-03-28 Verfahren und Vorrichtung zur Reinigung mindestens eines Atemgeräts
PCT/EP2019/057883 WO2019185809A1 (fr) 2018-03-28 2019-03-28 Procédé et dispositif pour le nettoyage d'au moins un appareil respiratoire

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JP (1) JP7085637B2 (fr)
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AU (1) AU2019240835B2 (fr)
CA (1) CA3095130A1 (fr)
DE (1) DE102018204763A1 (fr)
DK (1) DK3774090T3 (fr)
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ES1278755Y (es) * 2021-08-04 2021-12-29 Morales Alvarez Jose Carlos Base de carga para dispositivos de protección facial
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JP2021523754A (ja) 2021-09-09
CN112004617A (zh) 2020-11-27
ES2977651T3 (es) 2024-08-28
MX2020009973A (es) 2021-01-08
PL3774090T3 (pl) 2024-07-22
EP3774090A1 (fr) 2021-02-17
AU2019240835B2 (en) 2024-04-18
CA3095130A1 (fr) 2019-10-03
CN112004617B (zh) 2022-06-21
DE102018204763A1 (de) 2019-10-02
US11691188B2 (en) 2023-07-04
JP7085637B2 (ja) 2022-06-16
WO2019185809A1 (fr) 2019-10-03
AU2019240835A1 (en) 2020-10-08
DK3774090T3 (da) 2024-04-02
US20210016332A1 (en) 2021-01-21

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