JP4188883B2 - 通気孔及び該通気孔を備えた通気孔アセンブリ及びマスクアセンブリ - Google Patents
通気孔及び該通気孔を備えた通気孔アセンブリ及びマスクアセンブリ Download PDFInfo
- Publication number
- JP4188883B2 JP4188883B2 JP2004197875A JP2004197875A JP4188883B2 JP 4188883 B2 JP4188883 B2 JP 4188883B2 JP 2004197875 A JP2004197875 A JP 2004197875A JP 2004197875 A JP2004197875 A JP 2004197875A JP 4188883 B2 JP4188883 B2 JP 4188883B2
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- JP
- Japan
- Prior art keywords
- mask
- vent
- insert
- orifice
- supply conduit
- 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.)
- Expired - Lifetime
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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
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/10—Valves
-
- 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
- A61M16/0683—Holding devices 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0225—Carbon oxides, e.g. Carbon dioxide
-
- 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
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0216—Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
-
- 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
- A61M2205/42—Reducing noise
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Emergency Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Description
12 プラスチックシェル(マスクシェル)
14 入口チューブ
16 シーリング膜
18 取っ手
20 挿入体
22 貫通オリフィス
24 溝(凹部)
26 開口
28 リム
30 ガス供給導管
44 側面
46 側面
Claims (32)
- 大気圧よりも加圧された可呼吸ガスを人間または動物の気道へ供給するシステム及びマスク(10)と共に用いられる通気孔アセンブリの通気孔であって、
マスク(10)は、上記加圧されたガスを上記システムからマスク(10)へ供給するように構成されたガス供給導管(30)に接続されており、マスク(10)の内部若しくはガス供給導管(30)の内部と大気とが流通するように構成された少なくとも1つのオリフィス(22)を備えた通気孔において、
上記少なくとも1つのオリフィス(22)は、マスク(10)若しくはガス供給導管(30)の第1の側に第1断面領域若しくは第1の径(34)を有すると共に、第2の側に第2断面領域若しくは第2の径(32)を有し、第1断面領域若しくは第1の径(34)は、第2断面領域若しくは第2の径(32)よりも大きいことを特徴とする、通気孔。 - 上記少なくとも1つのオリフィス(22)は、複数のオリフィス(22)である、請求項1記載の通気孔。
- 上記オリフィス(22)は、オリフィス(22)の少なくとも上記第2の径(32)をもって互いに隔てられている、請求項1又は2記載の通気孔。
- 上記オリフィス(22)は、マスク(10)の使用時に開いている、請求項1〜3のいずれかに記載の通気孔。
- 上記オリフィス(22)は、上記加圧されたガスの適用時に、その形状を変化させない、請求項1〜4のいずれかに記載の通気孔。
- 上記オリフィス(22)は、上記マスク(10)若しくは上記ガス供給導管(30)の上記第1の側に隣接して位置する円筒形状の第1部分と、上記第2の側に隣接して位置する円筒形状の第2部分と、該第1部分と該第2部分との間に位置するテーパ部分と、を備えた、請求項1〜5のいずれかに記載の通気孔。
- 上記第2部分の厚さと上記テーパ部分の厚さとは、上記オリフィス(22)の軸方向において略等しく、且つ、上記第1部分の厚さよりも大きい、請求項6記載の通気孔。
- 上記第2の側の上記オリフィス(22)は、円筒形状の部分を有する、請求項1〜5のいずれかに記載の通気孔。
- 上記第1の側は、上記マスク(10)若しくは上記ガス供給導管(30)の内部側に構成されると共に、上記第2の側は、大気側に構成される、請求項1〜8のいずれかに記載の通気孔。
- 請求項1〜9のいずれかに記載の上記通気孔と、
上記マスク(10)若しくは上記ガス供給導管(30)の少なくとも一方に設けられた開口(26)と、を備えた、通気孔アセンブリ。 - さらに、弾性材からなる少なくとも1つの挿入体(20)であって、上記開口(26)内に位置決め可能な挿入体(20)を備え、
該挿入体(20)は、上記少なくとも1つのオリフィス(22)を備えた、請求項10記載の通気孔アセンブリ。 - 上記挿入体(20)は、その周囲に溝(24)を有しており、
該溝(24)は、上記マスク(10)若しくは上記ガス供給導管(30)に形成された上記開口(26)の対応する寸法構成のリム(28)に対して挿入体(20)を位置決めするように構成された、請求項11記載の通気孔アセンブリ。 - 上記挿入体(20)は、取り付け時に、弾性に基づき収縮/拡張して上記リム(28)に係合せしめられるように構成されている、請求項12記載の通気孔アセンブリ。
- 上記少なくとも1つの挿入体(20)は、複数の挿入体(20)である、請求項11〜13のいずれかに記載の通気孔アセンブリ。
- 上記挿入体(20)は、円形である、請求項11〜14のいずれかに記載の通気孔アセンブリ。
- 上記挿入体(20)の厚さは、上記オリフィス(22)の主たる横断面の寸法よりも大きい、請求項11〜15のいずれかに記載の通気孔アセンブリ。
- 上記挿入体(20)は、使用時に、 上記オリフィス(22)から発生するノイズを減衰させるように構成されている、請求項11〜16のいずれかに記載の通気孔アセンブリ。
- 上記挿入体(20)は、上記マスク(10)若しくは上記ガス供給導管(30)に選択的に着脱自在である、請求項11〜17のいずれかに記載の通気孔アセンブリ。
- 内側は上記マスク(10)若しくは上記ガス供給導管(30)の内部に延在するように構成されると共に、外側はマスク(10)若しくはガス供給導管(30)の外部に延在するように構成される、請求項10〜18のいずれかに記載の通気孔アセンブリ。
- 厚さが上記オリフィス(22)の上記第1断面領域若しくは上記第1の径(34)よりも大きい、請求項10〜19のいずれかに記載の通気孔アセンブリ。
- 請求項1〜20のいずれかに記載の上記通気孔アセンブリと、
マスク(10)と、を備えた、マスクアセンブリ。 - 上記マスク(10)は、使用時に、上記ガス供給導管(30)に対して流体が連通する入り口チューブ(14)を備えた、請求項21記載のマスクアセンブリ。
- 上記マスク(10)は、シェル(12)含む、請求項21又は22記載のマスクアセンブリ。
- 上記通気孔は、上記シェル(12)に備えられた、請求項23記載のマスクアセンブリ。
- 上記シェル(12)は、弾性材から形成されている、請求項23又は24記載のマスクアセンブリ。
- 上記シェル(12)には、挿入体が備えられた、請求項23又は24記載のマスクアセンブリ。
- 上記通気孔若しくは挿入体は、患者の方向に向かう上記可呼吸ガスの流動方向に関して上記シェル(12)の上流側に設けられた、請求項23記載のマスクアセンブリ。
- 上記通気孔若しくは挿入体は、上記ガス供給導管(30)に備えられた、請求項27記載のマスクアセンブリ。
- 上記マスク(10)は、顔マスク、鼻マスク、口マスク、鼻枕の中の1つを含む、請求項21〜28のいずれかに記載のマスクアセンブリ。
- 上記マスク(10)や上記ガス供給導管(30)は、比較的固い材料から形成されている、請求項21〜29のいずれかに記載のマスクアセンブリ。
- 上記比較的固い材料は、ポリカーボネートからなる、請求項30記載のマスクアセンブリ。
- 使用時において、患者に供給される可呼吸ガスの圧力は、患者の呼吸サイクルの少なくとも吸気フェーズと呼気フェーズとの間、大気圧よりも大きく、該フェーズの間、上記オリフィス(22)を通してガスの逃げが可能である、請求項21〜31のいずれかに記載のマスクアセンブリ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPO5045A AUPO504597A0 (en) | 1997-02-10 | 1997-02-10 | A mask and a vent assembly therefor |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53342098A Division JP3687981B2 (ja) | 1997-02-10 | 1998-02-06 | マスクおよびそのための通気アセンブリ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008036254A Division JP4653188B2 (ja) | 1997-02-10 | 2008-02-18 | マスクおよびそのための通気アセンブリ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004344671A JP2004344671A (ja) | 2004-12-09 |
JP4188883B2 true JP4188883B2 (ja) | 2008-12-03 |
Family
ID=3799349
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53342098A Expired - Lifetime JP3687981B2 (ja) | 1997-02-10 | 1998-02-06 | マスクおよびそのための通気アセンブリ |
JP2004197875A Expired - Lifetime JP4188883B2 (ja) | 1997-02-10 | 2004-07-05 | 通気孔及び該通気孔を備えた通気孔アセンブリ及びマスクアセンブリ |
JP2008036254A Expired - Lifetime JP4653188B2 (ja) | 1997-02-10 | 2008-02-18 | マスクおよびそのための通気アセンブリ |
JP2010181667A Expired - Lifetime JP5439314B2 (ja) | 1997-02-10 | 2010-08-16 | マスクおよびそのための通気アセンブリ |
JP2012254330A Expired - Lifetime JP5564094B2 (ja) | 1997-02-10 | 2012-11-20 | マスクおよびそのための通気アセンブリ |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53342098A Expired - Lifetime JP3687981B2 (ja) | 1997-02-10 | 1998-02-06 | マスクおよびそのための通気アセンブリ |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008036254A Expired - Lifetime JP4653188B2 (ja) | 1997-02-10 | 2008-02-18 | マスクおよびそのための通気アセンブリ |
JP2010181667A Expired - Lifetime JP5439314B2 (ja) | 1997-02-10 | 2010-08-16 | マスクおよびそのための通気アセンブリ |
JP2012254330A Expired - Lifetime JP5564094B2 (ja) | 1997-02-10 | 2012-11-20 | マスクおよびそのための通気アセンブリ |
Country Status (8)
Country | Link |
---|---|
US (4) | US6561190B1 (ja) |
EP (5) | EP2289586A3 (ja) |
JP (5) | JP3687981B2 (ja) |
AT (2) | ATE524791T1 (ja) |
AU (3) | AUPO504597A0 (ja) |
DE (1) | DE69839041T2 (ja) |
ES (1) | ES2543008T3 (ja) |
WO (1) | WO1998034665A1 (ja) |
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1997
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1998
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