WO2023195540A1 - エアゾール容器用吸入マスク、およびこのエアゾール容器用吸入マスクを備えたエアゾール式製品 - Google Patents

エアゾール容器用吸入マスク、およびこのエアゾール容器用吸入マスクを備えたエアゾール式製品 Download PDF

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Publication number
WO2023195540A1
WO2023195540A1 PCT/JP2023/014452 JP2023014452W WO2023195540A1 WO 2023195540 A1 WO2023195540 A1 WO 2023195540A1 JP 2023014452 W JP2023014452 W JP 2023014452W WO 2023195540 A1 WO2023195540 A1 WO 2023195540A1
Authority
WO
WIPO (PCT)
Prior art keywords
inhalation mask
aerosol container
stem
opening
aerosol
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.)
Ceased
Application number
PCT/JP2023/014452
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
理 瀧澤
達夫 羽座
智紀 渡邉
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.)
Mitani Valve Co Ltd
Original Assignee
Mitani Valve Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitani Valve Co Ltd filed Critical Mitani Valve Co Ltd
Priority to CN202380032597.5A priority Critical patent/CN118984723A/zh
Priority to EP23784824.7A priority patent/EP4506027A4/en
Priority to JP2024514328A priority patent/JPWO2023195540A1/ja
Publication of WO2023195540A1 publication Critical patent/WO2023195540A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • B65D83/30—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of the dispensed content, e.g. funnels or hoods
    • B65D83/303—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of the dispensed content, e.g. funnels or hoods using extension tubes located in or at the nozzle outlets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0001—Details of inhalators; Constructional features thereof
    • A61M15/0021—Mouthpieces therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/009—Inhalators using medicine packages with incorporated spraying means, e.g. aerosol cans
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • A61M16/122—Preparation of respiratory gases or vapours by mixing different gases with dilution
    • A61M16/125—Diluting primary gas with ambient air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • B65D83/30—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of the dispensed content, e.g. funnels or hoods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/02—Gases
    • A61M2202/0208—Oxygen
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/586—Ergonomic details therefor, e.g. specific ergonomics for left or right-handed users
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0625—Mouth

Definitions

  • the present invention relates to an inhalation mask for an aerosol container that is used by being attached to an aerosol type product.
  • inhalation mask for an aerosol container that is placed over the top of the aerosol container as a cover cap when not in use.
  • contents of the aerosol container for aerosol type products include cases where only gases such as oxygen and nitrogen are contained.
  • the longitudinal direction of the stem that is, the vertical direction in each figure, is referred to as “upper” or “lower”, and the direction perpendicular to this is referred to as “horizontal”, and the content is in the external space area.
  • the direction in which the fuel is ejected that is, the upper left direction in FIG. 2 and the left direction in FIGS. 3 and 4, is referred to as “front”, and the opposite direction is referred to as "rear”.
  • the injection of the contents is paused while the inhalation mask is placed over the user's mouth, allowing only the introduced outside air to be inhaled.
  • the outside air introduction port for this purpose is provided on the rear surface of the inhalation mask or the bottom surface of the inhalation mask between the content injection port and the user's mouth. Furthermore, in Patent Document 4, the outside air inlet is described in the rear view of the inhaler, not in the front view of the inhaler, where there is a recess in the nose pad, and the outside air inlet is located on the bottom surface during inhalation. is provided.
  • outside air inlets introduce outside air into the injected contents at the same time or part way through, so the contents and outside air can easily mix.
  • the outside air flows into the contents with force and mixes thoroughly.
  • outside air is introduced into the inhalation mask through the outside air intake port provided on the operation surface so that it is not blocked by the user, and the contents from the aerosol container are additionally introduced.
  • the purpose is to aspirate the contents to make effective use of the contents.
  • the aim is to make the inhalation mask more compact.
  • An open port for example, open port 4a described below
  • the aerosol container e.g., aerosol container 1 described below
  • a stem fitting portion for example, stem fitting portion 4b, which will be described later
  • a passage portion for example, a passage portion, which will be described later
  • an inhalation mask for an aerosol container which has a passage portion 4c) and a vent hole (for example, a vent hole 4g described below) that introduces outside air into the inside of the opening, an operation surface for pressing down the stem (for example, an operation surface 4e described below); comprising an anti-slip recess (for example, an anti-slip recess 4f described below) provided on the operation surface,
  • the ventilation hole is provided in a manner that communicates with the anti-slip recess.
  • An engaging portion for example, an inner cylindrical portion 4h and an engaging portion protrusion 4j, which will be described later
  • An engaging portion that detachably engages with the upper part of the aerosol container is provided inside the opening.
  • a lower recess e.g., a lower recess 4k described later
  • the opening opening is set upward by 15 degrees to 30 degrees with respect to the orthogonal direction of the stem fitted into the stem fitting part.
  • the subject of the present invention is an inhalation mask for an aerosol container having such a configuration, and an aerosol type product equipped with the inhalation mask for an aerosol container.
  • the present invention can effectively utilize the contents and make the inhalation mask more compact.
  • FIG. 4 is an explanatory diagram showing a state in which the inhalation mask 4 is not in use.
  • FIG. 2 is an explanatory diagram showing how the inhalation mask 4 of FIG. 1 is used.
  • FIG. 2 is an explanatory diagram showing an injection state of the inhalation mask 4 of FIG. 1.
  • FIG. 2 is an explanatory diagram showing an injection state when an extension nozzle 5 is attached to the inhalation mask 4 of FIG. 1.
  • constituent elements indicated by the alphabetic reference numerals below are part of the constituent elements indicated by the numerical part of the reference numerals (for example, the inhalation mask 4).
  • 1 is an aerosol container containing the contents to be sprayed;
  • 2 is a mounting cup attached to the upper opening of the aerosol container 1;
  • 3 is a cylindrical stem that is provided in a manner that penetrates the central opening of the mounting cup 2 and releases the contents of the aerosol container 1 from the upper end hole when pressed down;
  • 4 is a cup-shaped inhalation mask that is placed around the user's mouth to prevent the spread of the released contents;
  • 4a is the open end of the cup-shaped inhalation mask 4, and has an open opening that is placed around the user's mouth;
  • 4b is a stem fitting portion formed on the closed side peripheral surface of the cup-shaped inhalation mask 4 and fitting into the upper end of the stem;
  • 4c is a passage communicating from the stem fitting part 4b to the inside of the inhalation mask 4;
  • 4d is the downstream end of the passage portion 4c, and includes a discharge port through which the contents are injected;
  • 4e is the closed side peripheral surface of the cup-shaped
  • the stem 3, inhalation mask 4, and extension pipe 5 are made of plastic, such as polypropylene, polyethylene, polyacetal, nylon, polybutylene terephthalate, or the like.
  • the aerosol container 1 is made of plastic or metal, for example, and the mounting cup 2 is made of metal, for example.
  • a well-known stem gasket which together with the stem 3 constitutes a release valve
  • a stem spring which urges the stem 3 upward and holds the release valve in a closed state
  • a stem spring which, together with the lower end of the stem 3, forms a release valve.
  • a housing for holding these is provided (not shown).
  • the content filled in the aerosol container 1 is assumed to be only gas such as oxygen or helium gas mixed with oxygen.
  • FIG. 1 shows the aerosol product when not in use, with the inhalation mask 4 covered over the top of the aerosol container 1.
  • the inhalation mask 4 is in a state with the opening 4a facing downward and the upper part of the aerosol container 1 inserted into the opening 4a.
  • the outer periphery of the mounting cup 2 fits into the inner periphery of the inner cylindrical part 4h, and the engaging part 4j is locked to the lower end of the outer periphery of the mounting cup 2, thereby preventing the inhalation mask 4 from falling off unintentionally.
  • the upper surface of the mounting cup 2 has an annular recess around the stem 3, which tends to accumulate foreign matter such as dust, and this is prevented by covering the entire upper part of the aerosol container 1 with the inhalation mask 4.
  • the stem 3 is also protected by the inhalation mask 4, and the contents will not be released even if an external force is applied to the aerosol product in this state.
  • FIG. 2 shows the aerosol product in use, with the inhalation mask 4 removed from the mounting cup 2 of the aerosol container 1 and attached to the stem 3 from the state shown in FIG.
  • the stem 3 and the stem fitting part 4b are removably fitted in an airtight and liquid-tight manner to the extent that the inhalation mask 4 will not easily fall off.
  • the opening 4a is set slightly upward from horizontal, and the operating surface 4e is set horizontally.
  • the inhalation mask 4 is attached directly to the stem 3 and the operation surface 4e provided with the ventilation hole 4g is placed directly above the stem 3, there is no need for space for an outside air introduction port, and the inhalation into the aerosol container 1 is eliminated.
  • the horizontal protrusion of the mask 4 is reduced, and the mask 4 can be made more compact. Therefore, even if the aerosol container 1 is placed on a horizontal surface in this state, it will not fall down due to the weight of the inhalation mask 4.
  • FIG. 3 shows the aerosol product in the spray state when the user grips the aerosol product in the use state of FIG. 2, places the inhalation mask 4 on the mouth, and presses down the operation surface 4e.
  • the lower recess 4k prevents the inhalation mask 4 and the outer periphery of the mounting cup 2 from coming into contact with each other during the injection operation, so the position of the inhalation mask 4 relative to the aerosol container 1 is moved toward the aerosol container 1 side, and the aerosol
  • the horizontal protrusion of the inhalation mask 4 relative to the container 1 can be reduced and the structure can be made more compact.
  • the opening 4a is set upward at 15 degrees from the horizontal direction, the upper part of the opening 4a of the inhalation mask 4 approaches the aerosol container 1 side, making it difficult to fall over, and the user can easily grasp the aerosol container 1. There is no need to raise your hands to the level of your mouth.
  • the upward angle of the opening 4a for attaching the inhalation mask 4 to the stem 3 of the aerosol container 1 can range from 0 degrees to 90 degrees, but is preferably from 15 degrees to 30 degrees. With this angle range, the lower recess 4k can be provided in a size that does not affect the action of the engaging portion 4j, etc., and the operating surface 4e can be easily placed directly above the stem 3 as described above. can.
  • FIG. 4 shows the aerosol product in the sprayed state when the extension pipe 5 is attached to the ventilation hole 4g. 3 except for the extension pipe 5.
  • the length of the extension pipe 5 is appropriately selected depending on the type of contents. For example, if a user holds the extension pipe 5 in their mouth and inhales only the contents, which may cause physical problems, the pipe should be short enough to not reach the user's mouth in order to ensure suction including outside air. I can do it.
  • the contents are mixed with oxygen gas in advance so that even if the user inhales only the contents, there will be no physical problems.
  • the extension pipe 5 is not a removable cylindrical member but a bellows-shaped member that can be expanded and contracted.
  • the inside and outside of the extension pipe 5 are made of a permeable material that communicates with each other through fine holes so that even if the user holds the extension pipe 5 in his or her mouth, he or she will not be able to aspirate only the contents;
  • a groove for passing outside air is provided on the outer circumferential surface of the extension pipe 5 so that even if the user holds the extension pipe 5 in his/her mouth, he/she will not be able to aspirate only the contents;
  • the extension pipe 5 should be able to expand and contract according to the pressure and flow force of the contents passing through it.
  • a spray tip for atomizing the contents is provided at the discharge port 4d; You can do it like this.
  • Aerosol products to which the present invention is applicable include those for various uses such as inhaled oxygen agents, inhaled air agents, humectants, voice altering agents, throat humidifiers, inhaled pharmaceuticals, and perfumes.
  • the contents contained in the aerosol container may be in various forms such as gas, liquid, or powder.
  • Components added to the contents include, for example, oxygen gas, nitrogen gas, helium gas, active ingredients according to each use, and water.
  • glucose sucrose, salt, a mixture thereof, etc. are used.
  • ester oils such as isopropyl myristate, fats and oils such as palm oil, eucalyptus oil, camellia oil, olive oil, and jojoba oil, and fatty acids such as myristic acid, palmitic acid, stearic acid, linoleic acid, and linolenic acid are used. .
  • monohydric lower alcohols such as ethanol
  • monohydric higher alcohols such as lauryl alcohol and cetanol
  • polyhydric alcohols such as ethylene glycol, 1,3-butylene glycol and glycerin are used.
  • surfactants examples include anionic surfactants such as sodium lauryl sulfate, nonionic surfactants such as polyoxyethylene alkyl ether and polyglycerin fatty acid ester, amphoteric surfactants such as lauryldimethylaminoacetic acid betaine, and alkyl chlorides.
  • anionic surfactants such as sodium lauryl sulfate
  • nonionic surfactants such as polyoxyethylene alkyl ether and polyglycerin fatty acid ester
  • amphoteric surfactants such as lauryldimethylaminoacetic acid betaine
  • alkyl chlorides examples include alkyl chlorides.
  • a cationic surfactant such as trimethylammonium is used.
  • polymer compound hydroxyethylcellulose, methylcellulose, gelatin, starch, casein, xanthan gum, carboxyvinyl polymer, etc. are used.
  • Active ingredients for each purpose include vitamins such as retinol and dl- ⁇ -tocopherol, moisturizers such as hyaluronic acid, anti-inflammatory analgesics such as methyl salicylate and indomethacin, cooling agents such as sodium benzoate, camphor, and menthol.
  • Anti-asthmatic drugs such as ephedrine and epinephrine, and sweeteners such as sucralose and aspartame are used.
  • suspending agents emulsifying agents, antioxidants, metal ion sequestering agents, etc. other than those listed above can also be used.
  • Injection gases (propellants) in aerosol products include compressed gases such as oxygen gas, compressed air, nitrogen gas, carbon dioxide gas, rare gases, and mixtures thereof, and liquefied gases such as liquefied petroleum gas, dimethyl ether, and fluorocarbons. Use.
  • Aerosol container 2 Mounting cup 3: Stem 4: Inhalation mask 4a: Opening port 4b: Stem fitting portion 4c: Passage portion 4d: Discharge port 4e: Operation surface 4f: Anti-slip recess 4g: Vent hole 4h: Inner tube Shaped portion 4j: Engagement portion 4k: Lower recessed portion 5: Extension pipe A: Internal space area

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Emergency Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
PCT/JP2023/014452 2022-04-08 2023-04-07 エアゾール容器用吸入マスク、およびこのエアゾール容器用吸入マスクを備えたエアゾール式製品 Ceased WO2023195540A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202380032597.5A CN118984723A (zh) 2022-04-08 2023-04-07 气溶胶容器用吸入面罩和包括该气溶胶容器用吸入面罩的气溶胶式产品
EP23784824.7A EP4506027A4 (en) 2022-04-08 2023-04-07 INHALATION MASK FOR AEROSOL CONTAINERS, AND AEROSOL PRODUCT INCLUDING SAID INHALATION MASK FOR AEROSOL CONTAINERS
JP2024514328A JPWO2023195540A1 (https=) 2022-04-08 2023-04-07

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022064465 2022-04-08
JP2022-064465 2022-04-08

Publications (1)

Publication Number Publication Date
WO2023195540A1 true WO2023195540A1 (ja) 2023-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/014452 Ceased WO2023195540A1 (ja) 2022-04-08 2023-04-07 エアゾール容器用吸入マスク、およびこのエアゾール容器用吸入マスクを備えたエアゾール式製品

Country Status (4)

Country Link
EP (1) EP4506027A4 (https=)
JP (1) JPWO2023195540A1 (https=)
CN (1) CN118984723A (https=)
WO (1) WO2023195540A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6143179U (ja) 1984-08-22 1986-03-20 株式会社 小池メデイカル 吸入マスクとして使用可能なエアゾ−ル容器用キヤツプ
JPH0184657U (https=) 1987-11-27 1989-06-06
JPH0184656U (https=) 1987-11-25 1989-06-06
JPH0480880U (https=) * 1990-11-28 1992-07-14
JP2004129702A (ja) * 2002-10-08 2004-04-30 Maruichi Valve Co Ltd 吸入マスク

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10225059B4 (de) * 2002-06-06 2006-07-20 Gox Gmbh Inhalationseinrichtung
KR102097147B1 (ko) * 2019-06-28 2020-05-27 주식회사 하동바이탈러티에어 마스크 및 이를 구비한 휴대용 압축공기 충진 용기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6143179U (ja) 1984-08-22 1986-03-20 株式会社 小池メデイカル 吸入マスクとして使用可能なエアゾ−ル容器用キヤツプ
JPH0184656U (https=) 1987-11-25 1989-06-06
JPH0184657U (https=) 1987-11-27 1989-06-06
JPH0480880U (https=) * 1990-11-28 1992-07-14
JP2004129702A (ja) * 2002-10-08 2004-04-30 Maruichi Valve Co Ltd 吸入マスク

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4506027A4

Also Published As

Publication number Publication date
EP4506027A4 (en) 2026-03-18
JPWO2023195540A1 (https=) 2023-10-12
CN118984723A (zh) 2024-11-19
EP4506027A1 (en) 2025-02-12

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