WO2004105883A1 - Masque isolant - Google Patents

Masque isolant Download PDF

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Publication number
WO2004105883A1
WO2004105883A1 PCT/CN2004/000413 CN2004000413W WO2004105883A1 WO 2004105883 A1 WO2004105883 A1 WO 2004105883A1 CN 2004000413 W CN2004000413 W CN 2004000413W WO 2004105883 A1 WO2004105883 A1 WO 2004105883A1
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WO
WIPO (PCT)
Prior art keywords
valve
exhalation
tube
isolation
mask according
Prior art date
Application number
PCT/CN2004/000413
Other languages
English (en)
French (fr)
Inventor
Mingjie Ma
Lihui Jiang
Original Assignee
Mingjie Ma
Lihui Jiang
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 Mingjie Ma, Lihui Jiang filed Critical Mingjie Ma
Publication of WO2004105883A1 publication Critical patent/WO2004105883A1/zh

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Classifications

    • 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. mouth-to-mouth respiration; 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/1065—Filters in a path in the expiratory path
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/208—Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves

Definitions

  • the invention relates to a preventive and medical protective appliance, in particular to an isolation mask, and belongs to the technical field of international patent classification A62D7 / 00 "Gas Mask”. Background technique
  • the object of the present invention is to provide an isolation mask that allows the breathing gas to pass through the inhalation tube and the exhalation tube to kill the virus in advance through the opening and closing of the automatic valve, so as to completely block the source of infection.
  • the present invention adopts the following technical solutions:
  • An isolation mask includes a mask, a ventilating chamber, and an inhalation tube.
  • the ventilating chamber is a closed space formed by the mask and a user's mouth, nose, and other organs, and the inhalation tube is in communication with the ventilating chamber.
  • an exhalation tube connected to the ventilation chamber is provided, the exhalation tube is connected to the ventilation chamber through an exhalation valve, and a disinfection unit is arranged in the outlet of the exhalation tube; It is in communication with the ventilation chamber through the suction valve.
  • the disinfection unit is an antiseptic column.
  • the disinfection unit is located in the exhalation tube and is arranged on the outside of the exhalation valve.
  • the disinfection unit is a harmful substance blocking layer, a poison column and a sieve, which are arranged accordingly from the inside to the outside. When a volatile and diffusing antiseptic column is used, a harmful substance blocking layer is provided between the antiseptic column and the screen.
  • the suction tube may be composed of a screen, a suction treatment layer, an isolation screen and an suction valve.
  • the outermost layer is a screen. It is connected with the suction treatment layer, the suction treatment layer is connected with an isolation net, and the isolation net is connected with a suction valve.
  • the exhalation tube is composed of a sterilization unit including a screen, two harmful substance blocking layers, a disinfectant column, and an exhalation valve.
  • the outermost layer is a screen, and the screen is connected to an external harmful substance blocking layer. Then, the antiseptic column is connected, and the antiseptic column is connected with a harmful substance blocking layer.
  • the above-mentioned disinfection unit may use a single drug, or a plurality of combination drugs, and the filter layer may be a single layer or a combination of multiple drugs.
  • the medicine contains a variety of potent drugs used in medicine and all their effective substances, which completely kill the pathogenic substances in the breath.
  • the air intake valve is a one-way air intake valve that allows the gas to flow from the outside to the inside; similarly, to ensure that the gas exhaled from the user can only be excluded by the air exhalation valve.
  • the exhalation valve is a one-way air outlet valve to ensure that the gas can only flow from the inside to the outside.
  • the inhalation tube and the exhalation tube can be formed into various shapes such as T-shape, "in” shape, n-shape and the like.
  • the ventilating chamber is provided with a small hole communicating with the outside, and the small hole can be used by a user for eating or drinking.
  • breathing gas is respectively circulated through two pipes through a valve.
  • the exhalation tube thoroughly treats the pathogenic source of the patient's exhaled air with strong substances. It can completely kill all pathogenic microorganisms and fundamentally solve the problem of the source of infection. It can be used to prevent atypical pneumonia, prevent everyone and medical staff in the isolation zone from being infected, and wear it in daily work and activities to achieve the purpose of complete isolation.
  • FIG. 1 is a schematic structural diagram of an isolation mask according to the present invention.
  • the isolation mask in this embodiment includes a mask 1, an intake valve 3, an exhalation valve 7, an isolation net 4, an intake treatment layer 5, a screen 6 and 12, and a harmful substance blocking layer 9. And 11, antiseptic column 10, micro springs 2 and 8, small holes 13 and so on.
  • the front gas inhalation part of the mask 1 is provided with an inhalation tube 14, which is connected to the mask 1 through an inhalation valve 3; the gas exhalation part under the mask 1 is provided with an exhalation.
  • the suction pipe 14 is composed of a screen 6, a suction treatment material layer 5, an isolation screen 4, and a suction valve 3), and the outermost layer thereof is a screen 6, which is connected to the suction treatment material layer 5 and sucks air.
  • the treatment object layer 5 is connected to the isolation net 4, and the isolation net 4 is connected to the suction valve 3.
  • the exhalation tube 15 is composed of a screen 12, two harmful substance blocking layers 9 and 11, a pesticide column 10, a micro spring 8 and an exhalation valve 7.
  • the outermost layer is the screen 12, the screen 12 It is connected with a harmful substance blocking layer 11 on the outside, and then connected with a pesticide column 10, and the pesticide column 10 is connected with a harmful substance blocking layer 9, and the exhalation valve 7 is connected through a miniature spring 8.
  • the mask 1 seals the mouth and nostrils, and the contact surface with the skin is filled with a non-irritating hygroscopic substance.
  • the miniature springs 2 and 8 are composed of steel wires or thin arms of the valve itself.
  • the inhaled gas enters through the valve 3 and the exhaled gas exits through the valve 7.
  • the inhalation treatment substance 5 is filled with drugs, preparations, adsorption filters, and the like that are non-irritating and harmless to the human body.
  • the inhalation valve 3 When inhaling, the inhalation valve 3 is opened, the valve 7 is closed, and the air enters the inhalation treatment material layer 5 through the screen 6;
  • the inhalation valve 3 is closed, the valve 7 is opened, and the exhaust gas is passed through the harmful substance blocking layer 9.
  • the agent column 10, the harmful substance blocking layer 11, and the screen 12 are discharged into the atmosphere.
  • the suction pipe 14 is composed of a screen 6, a suction treatment layer 5, an isolation screen 4, and a suction valve 3.
  • the exhalation chamber is composed of a screen 12, a harmful substance blocking layer 11, a pesticide column 10, a harmful substance blocking layer 9, a micro spring 8 and an exhalation valve 7.
  • a small hole 13 is formed in the mask for inhaling water and liquid food. So that you can still eat while wearing a mask to maintain your body's needs. The small hole 13 is automatically closed when not in use. Isolation masks should be replaced regularly with treatment medication to ensure effectiveness. Therefore, the two outer openings of the sieve 6 and the sieve 12 are designed to be easily opened for changing the medicine. Industrial applicability
  • the disinfection unit in the exhalation tube treats the pathogenic source in the patient's exhaled breath by effectively disinfecting the drug, it can completely kill all pathogenic microorganisms and fundamentally solve the problem of the source of infection.
  • the invention can be used for preventing atypical pneumonia, preventing everyone and medical personnel in the isolation zone from being infected, and wearing it in daily work and activities, so as to achieve the complete isolation of patients with infectious diseases.

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Description

隔离面罩 技术领域
本发明涉及一种预防及医用防护用具， 具体涉及一种隔离面罩， 属于国 际专利分类 A62D7/00 "防毒面具"技术领域。 背景技术
目前， 人类面临突如其来的灾难， 非典型肺炎病毒无情地袭来， 刹那间 夺去了许多宝贵的生命。 救死扶伤的广大医护人员更是难逃病魔的劫难。 在 他们奋不顾身抢救人民的同时， 不断被感染， 成批地倒下。 现有的各种面罩 虽然有防护， 却仍然需要吸入病房的带菌空气， 空气本身不能得到过滤和净 化， 吸入后虽经面罩和或口罩遮挡， 仍有感染的可能。 发明的公开
本发明的目的在于提供一种通过自动阀门的开闭， 使呼吸的气体分别经 过吸气管和呼气管的处理，预先杀灭病毒，达到彻底阻隔传染源的隔离面罩。 本发明采用以下技术方案： 一种隔离面罩， 包括面罩、 换气室和吸气管， 换气室是由面罩与使用者 嘴鼻等器官形成的密闭空间， 该吸气管与换气室连通， 其特征在于： 设有与 换气室相连的呼气管， 该呼气管通过呼气阀与换气室相连通， 在呼气管的出 口内设置有消毒单元； 所述的吸气管通过吸气阀与换气室相连通。 所述的消毒单元为杀毒剂柱。 所述的消毒单元位于呼气管内， 设置在呼气阀的外侧， 该消毒单元为从 里向外的方向上依此设置的有害物阻断层、 杀毒剂柱和筛网。 对于使用有挥发性和扩散性的杀毒剂柱时， 在所述的杀毒剂柱和筛网之 间另设置一有害物阻断层。
如传统的防毒面具一样， 在呼气管中置放消毒装置， 具体地是该吸气管 可由筛网、 吸气处理物层、 隔离网和吸气阀组成， 其最外层为筛网， 与吸气 处理物层连接， 吸气处理物层连接隔离网， 隔离网与为吸气阀连接。 所述呼 气管内由包含有筛网、 两个有害物阻断层、 杀毒剂柱的消毒单元和呼气阀组 成， 其最外层为筛网， 筛网与外面一个有害物阻断层连接， 再连接杀毒剂柱， 杀毒剂柱又与一个有害物阻断层连接。 上述的消毒单元可以使用单一的药物， 也可以使用多种组合药物， 其过 滤层可以是一层， 也可以是多层药物的组合体。 药物包含医学中使用的多种 烈性药物及其所有有效物质， 彻底杀灭呼气中的致病物质。 为了保证外界空气只能从吸气阀中进入， 该吸气阀为使气体由外向里流 动的单向进气阀； 同理， 为了保证从使用者呼出的气体只能经由呼气阀排除 该隔离面罩， 该呼气阀为保证气体只能由里向外流动的单向出气阀。 所述的吸气管和所述的呼气管可形成 T字型、 "入"字型、 n字型等多种 形状的结构。 在所述的换气室上设置有与外界相通的小孔， 该小孔可供使用者进食或 饮水。 本发明通过阀门， 使呼吸气体分别从两条管道流通。 呼气管中通过强烈 物质彻底处理病人呼出气中的致病源。 可彻底杀灭一切致病微生物， 根本上 解决传染源问题。可用于预防非典型性肺炎，，使同在隔离区内的每个人及医 护人员不受传染， 以及在日常工作、 活动中佩戴， 达到彻底隔离的目的。
为了更好地说明本发明的结构特点， 下面结合附图对本发明进行详细说 明。
附图的简要说明 图 1 为本发明的隔离面罩的结构示意图。
附图中： 1-面罩， 2、 8-微型簧， 3-吸气阀， 4-隔离网， 5-吸气处理物层， 6、 12-筛网， 7-呼气阀， 9、 11-有害物阻断层、 10-杀毒剂柱， 13-小孔， 14- 吸气管， 15-呼气管， 16-换气室。
最佳实施方式
如图所示， 本实施例中的隔离面罩， 包括面罩 1、 吸气阀 3、 呼气阀 7、 隔离网 4、 吸气处理物层 5、 筛网 6和 12、 有害物阻断层 9和 11、 杀毒剂柱 10、 微型簧 2和 8、 小孔 13等组成。 面罩 1的正面气体吸入部分设有吸气管 14， 吸气管 14通过吸气阀 3连接面罩 1 ; 面罩 1的下面气体呼出部分设有呼. 气管 15, 呼气管 15通过呼气阀 7连接面罩 1。 所述的吸气管 14由筛网 6、吸气处理物层 5、隔离网 4和吸气阀 3 )组成， 其最外层为筛网 6， 与吸气处理物层 5连接， 吸气处理物层 5连接隔离网 4， 隔离网 4与为吸气阀 3连接。 所述的呼气管 15由筛网 12、 两个有害物阻断 层 9和 11、 杀毒剂柱 10、 微型簧 8和呼气阀 7组成， 其最外层为筛网 12， 筛网 12与外面一个有害物阻断层 11连接，再连接杀毒剂柱 10， 杀毒剂柱 10 又与一个有害物阻断层 9连接， 通过微型簧 8连接呼气阀 7。 面具 1将口和鼻孔密封在内， 与皮肤接触面装入无刺激吸湿物质。 微型 簧 2、 8由钢丝或阀门本身细条壮臂构成， 吸入的气体经由阀门 3进入， 呼出 的气体经由阀门 7走出。在吸气处理物 5中装入对人体无刺激无伤害的药物、 制剂、 吸附过滤物等。 吸气时吸气阀 3开启， 阀门 7闭合，空气经由筛网 6进入吸气处理物层 5 内； 吸气时吸气阀 3闭合， 阀门 7开启， 废气经由有害物阻断层 9、 杀毒剂 柱 10、 有害物阻断层 11、 筛网 12排入大气中。 由筛网 6、 吸气处理物层 5、 隔离网 4和吸气阀门 3组成吸气管 14。 由筛网 12、 有害物阻断层 11、 杀毒剂柱 10、 有害物阻断层 9、 微型簧 8 和呼气阀 7组成呼气室。 在面罩上开设有小孔 13， 用以吸入水及流食。 使在佩戴面罩的情况下仍 然可以进食， 维持身体需要。 小孔 13不用时自动闭合。 隔离面罩应定期更换处理药物， 以确保使用效果。 因此， 筛网 6与筛网 12的两个外口设计为可以方便打开， 以便更换药物。 工业应用性
由于呼气管中的消毒单元是通过有效地消毒药物处理病人呼出气中的致 病源， 因而可彻底杀灭一切致病微生物， 根本上解决传染源问题。 本发明可 用于预防非典型性肺炎， 使同在隔离区内的每个人及医护人员不受传染， 以 及在日常工作、 活动中佩戴， 达到对传染病患者彻底隔离的目的。

Claims

权 利 要 求
1. 一种隔离面罩， 包括面罩 （1 )、 换气室 （16) 和吸气管 （14)， 换 气室 （16) 是由面罩 （1 ) 与使用者嘴鼻等器官形成的密闭空间， 该吸气管 （14)与换气室（16)连通， 其特征在于： 设有与换气室
( 13 )相连的呼气管 （15 )， 该呼气管 （15)通过呼气阀 （7)与换 气室（16)相连通， 在呼气管（15 ) 内设置有消毒单元； 所述的吸 气管 （14) 通过吸气阀 （3 ) 与换气室 （16) 相连通。 2. 如权利要求 1所述的隔离面罩，其特征在于：在所述的吸气管（14) 的吸气阀 （3 ) 的外侧， 从里向外的方向上依此设置隔离网 （4)、 吸气处理物层 （5) 和筛网 （6)。
3. 如权利要求 1所述的隔离面罩，其特征在于：所述的消毒单元为杀 毒剂柱 （10)。
4. 如权利要求 1所述的隔离面罩，其特征在于：所述的消毒单元位于 呼气管 （15 ) 内， 设置在呼气阀 （7) 的外侧， 该消毒单元为从里 向外的方向上依此设置的有害物阻断层（9)、 杀毒剂柱（10)和筛 网 （12)。
5. 如权利要求 4 所述的隔离面罩， 其特征在于： 在所述的杀毒剂柱
( 10) 和筛网 （12) 之间另设置一有害物阻断层 （11 )。
6. 如权利要求 1、 2、 3、 4或 5所述的隔离面罩， 其特征在于： 在所 述的换气室 （16) 上设置有与外界相通的小孔 （13 )。
7. 如权利要求 1、 2、 3、 4或 5所述的隔离面罩， 其特征在于： 所述 的吸气阀 （3 ) 为单向进气阀， 所述的呼气阀 （7) 为单向出气阀。
8. 如权利要求 1、 2、 3、 4或 5所述的隔离面罩， 其特征在于： 所述 的吸气管（14)和所述的呼气管（15 )可形成 T字型、 "入"字型、 n字型结构。
9. 如权利要求 7所述的隔离面罩， 其特征在于： 所述吸气阀 （3 ) 的 阀门里侧连接微型簧 （2), 该微型簧 （2) 的另一端固定在换气室
( 16) 内； 所述呼气阀 （7) 的阀门外侧连接微型簧 （8)， 该微型 簧 （8) 的另一端固定在呼气管 （15 ) 内。
PCT/CN2004/000413 2003-05-28 2004-04-27 Masque isolant WO2004105883A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN03251235.X 2003-05-28
CN 03251235 CN2608050Y (zh) 2003-05-28 2003-05-28 隔离面罩

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WO2004105883A1 true WO2004105883A1 (fr) 2004-12-09

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104189987A (zh) * 2014-09-26 2014-12-10 吴江市江南不锈钢器材有限责任公司 一种周期放气式氧气面罩
CN111772267A (zh) * 2020-07-10 2020-10-16 深圳市铁幕电子竞技科技有限公司 一种个人用空气净化器及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595003A (en) * 1983-10-21 1986-06-17 The United States Of America As Represented By The Secretary Of The Army Protective mask for airborne toxic substances
US5117821A (en) * 1991-10-18 1992-06-02 White George M Hunting mask with breath odor control system
CN1107375A (zh) * 1994-02-22 1995-08-30 山东煤矿劳动卫生职业病防治研究所 湿式防尘防毒口罩
CN2330373Y (zh) * 1998-03-13 1999-07-28 吕力 个人消防逃生头套
WO2002011816A1 (en) * 2000-08-07 2002-02-14 The Secretary Of State For Defence Respirators

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595003A (en) * 1983-10-21 1986-06-17 The United States Of America As Represented By The Secretary Of The Army Protective mask for airborne toxic substances
US5117821A (en) * 1991-10-18 1992-06-02 White George M Hunting mask with breath odor control system
CN1107375A (zh) * 1994-02-22 1995-08-30 山东煤矿劳动卫生职业病防治研究所 湿式防尘防毒口罩
CN2330373Y (zh) * 1998-03-13 1999-07-28 吕力 个人消防逃生头套
WO2002011816A1 (en) * 2000-08-07 2002-02-14 The Secretary Of State For Defence Respirators

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