JP5883418B2 - コンジット - Google Patents
コンジット Download PDFInfo
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- JP5883418B2 JP5883418B2 JP2013168353A JP2013168353A JP5883418B2 JP 5883418 B2 JP5883418 B2 JP 5883418B2 JP 2013168353 A JP2013168353 A JP 2013168353A JP 2013168353 A JP2013168353 A JP 2013168353A JP 5883418 B2 JP5883418 B2 JP 5883418B2
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- Prior art keywords
- conduit
- gas
- sensor
- heater wire
- conduit according
- Prior art date
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- 239000000203 mixture Substances 0.000 claims description 5
- 230000003434 inspiratory effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 55
- 238000010438 heat treatment Methods 0.000 description 25
- 238000005259 measurement Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000241 respiratory effect Effects 0.000 description 4
- 210000002345 respiratory system Anatomy 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 208000001797 obstructive sleep apnea Diseases 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 208000006545 Chronic Obstructive Pulmonary Disease Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000002640 oxygen therapy Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- 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
- A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
-
- 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
- A61M16/0057—Pumps therefor
- A61M16/0066—Blowers or centrifugal pumps
-
- 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
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
- A61M16/024—Control means therefor including calculation means, e.g. using a processor
-
- 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
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0666—Nasal cannulas or tubing
-
- 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
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0875—Connecting tubes
-
- 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
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
-
- 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
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
- A61M16/109—Preparation of respiratory gases or vapours by influencing the temperature the humidifying liquid or the beneficial agent
-
- 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
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
- A61M16/1095—Preparation of respiratory gases or vapours by influencing the temperature in the connecting tubes
-
- 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
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
-
- 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
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
- A61M16/161—Devices to humidify the respiration air with means for measuring the humidity
-
- 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
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
-
- 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
- A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
- A61M2016/102—Measuring a parameter of the content of the delivered gas
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
-
- 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
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
- A61M2205/502—User interfaces, e.g. screens or keyboards
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/65—Vaporizers
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Public Health (AREA)
- Otolaryngology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Air Humidification (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
ガス供給源と、
少なくとも1つの配送コンジットであって、このコンジットを加熱するためのヒータワイヤを含む配送コンジットと、
を備え、前記ヒータワイヤが前記ガスの前記特性を決定するための電気回路に使用されるような装置にある。
図2は、本発明の温度測定方法を実施するのに使用できる回路20を示す。DC加熱電圧25がヒータワイヤに印加されると、ダイオード22が導通して、ヒータワイヤ21、28に電流が流れ、ヒータワイヤは通常に機能して、配送管3に熱を与える。スイッチ29を使用して加熱電圧25がスイッチオフされると、加熱電圧25と逆の極性を有する測定電圧26がヒータワイヤに印加される。この場合に、ヒータワイヤ21、28の電流は、ダイオード22には流れず、サーミスタ23及び基準抵抗器24に流れる。次いで、基準抵抗器24にまたがる電圧を出力27で測定し、ガスの温度を決定することができる。基準抵抗器24にまたがる電圧測定値27は、ルックアップテーブルを使用するか、又は温度値を計算する方程式を使用して、温度に変換される。これは、サーミスタ23が基準抵抗器24とで電位分割器を形成するような通常使用される技術と同様である。
図2に示す回路は、DC加熱電圧が図1に示すようにヒータワイヤ、配送コンジット及びシステムに関連して使用されるときに、使用されるよう意図される。温度のようなガス特性の測定を与え、且つAC及びDC電圧に適した別の実施形態の回路40が図3に示されている。異なる周波数における多数の電圧信号51、52、53が加算器50で一緒に加算される。これらの信号は、少なくとも1つの加熱信号51及び少なくとも1つの測定信号53を含む。これら信号の合成体がヒータワイヤ44に沿って通過し、ヒータワイヤ44に電流(加熱及び測定)を生成する。多数の並列な経路41、43、45が確立され、その各々は、異なる周波数範囲を通過させるフィルタ(例えば、図3に示すように、1つのローパスフィルタ41及び3つのバンドパスフィルタ43、45、48)を含む。これらの並列の経路(即ち、フィルタ、サーミスタ、及び/又はセンサ)は、図2を参照して述べたものと同様に、配送管3の端30に配置されるのが好ましい。これらの並列経路は、測定電流に対して異なる経路に加熱電流を流すことを許す。又、ガスの異なる特性(例えば、温度、圧力、湿度、組成)を測定できるように、多数の測定信号をヒータワイヤに通すことも許す。
Claims (14)
- 患者に吸気ガスを供給する単体のコンジットであって、
前記コンジット内を引き通されその端子が当該コンジットの第1端部から引き出されているヒータワイヤと、
前記コンジットの第2端部に配置され、前記ヒータワイヤに接続され給電されるセンサと、を備え、
前記コンジットの第1の端部は、ガス供給源に接続可能になっており、前記コンジットの第2の端部は、患者インターフェースに接続可能になっている
ことを特徴とするコンジット。 - 前記コンジットの前記第2端部に配置され、前記センサに電気的に並列に接続されたダイオードを
更に有することを特徴とする請求項1記載のコンジット。 - 前記端子を2個有する
ことを特徴とする請求項1又は2記載のコンジット。 - 前記センサがサーミスタである
ことを特徴とする請求項1乃至3の何れかに記載のコンジット。 - 前記サーミスタの抵抗値は前記ヒータワイヤの抵抗値より大きい
こと特徴とする請求項4記載のコンジット。 - 前記ヒータワイヤは、前記ガスを温めるために第1の極性の電流が前記ヒータワイヤを流れる第1の条件、及び、前記ガスの少なくとも一つの特性を測定すべく前記センサに電流を供給するために逆の極性の電流が前記ヒータワイヤを流れる第2の条件で、電圧供給される
ことを特徴とする請求項1乃至5の何れかに記載のコンジット。 - 前記センサは、前記ヒータワイヤと直列接続されて、前記ガスの温度、湿度、圧力及び組成の少なくとも一つを測定する
ことを特徴とする請求項1乃至6の何れかに記載のコンジット。 - 前記センサは、前記患者に供給されるガス中へと少なくとも部分的に伸びるプリント回路基板上に装着されてシールされる
ことを特徴とする請求項1乃至7の何れかに記載のコンジット。 - 前記センサは、前記コンジットの壁に少なくとも部分的に埋め込まれている
ことを特徴とする請求項1乃至8の何れかに記載のコンジット。 - 前記センサは、周囲温度において既知の特性をもつ感知手段を備え、前記感知手段の既知の特性を検知することによって前記少なくとも1つの配送コンジットが識別されること
を特徴とする請求項1乃至9の何れかに記載のコンジット。 - 前記センサは温度センサである
ことを特徴とする請求項1乃至10の何れかに記載のコンジット。 - 少なくとも一つの基準抵抗を更に備える
ことを特徴とする請求項1乃至11の何れかに記載のコンジット。 - 少なくとも一つのバンドパスフィルタ又はサーミスタを更に備える
ことを特徴とする請求項1乃至12の何れかに記載のコンジット。 - 前記少なくとも一つのバンドパスフィルタ又はサーミスタは、前記コンジットの第2端部に配置されている
ことを特徴とする請求項13記載のコンジット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ534853 | 2004-08-20 | ||
NZ53485304 | 2004-08-20 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012020278A Division JP2012091031A (ja) | 2004-08-20 | 2012-02-01 | 患者に供給されているガスの特性を測定する装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015212046A Division JP6356107B2 (ja) | 2004-08-20 | 2015-10-28 | 患者に供給されているガスの特性を測定する装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013252443A JP2013252443A (ja) | 2013-12-19 |
JP5883418B2 true JP5883418B2 (ja) | 2016-03-15 |
Family
ID=35907662
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007527097A Active JP5108516B2 (ja) | 2004-08-20 | 2005-08-19 | 患者に供給されているガスの特性を測定する装置 |
JP2012020278A Pending JP2012091031A (ja) | 2004-08-20 | 2012-02-01 | 患者に供給されているガスの特性を測定する装置 |
JP2013168353A Active JP5883418B2 (ja) | 2004-08-20 | 2013-08-13 | コンジット |
JP2013168354A Active JP5716062B2 (ja) | 2004-08-20 | 2013-08-13 | ガス供給装置 |
JP2015212046A Active JP6356107B2 (ja) | 2004-08-20 | 2015-10-28 | 患者に供給されているガスの特性を測定する装置 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007527097A Active JP5108516B2 (ja) | 2004-08-20 | 2005-08-19 | 患者に供給されているガスの特性を測定する装置 |
JP2012020278A Pending JP2012091031A (ja) | 2004-08-20 | 2012-02-01 | 患者に供給されているガスの特性を測定する装置 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013168354A Active JP5716062B2 (ja) | 2004-08-20 | 2013-08-13 | ガス供給装置 |
JP2015212046A Active JP6356107B2 (ja) | 2004-08-20 | 2015-10-28 | 患者に供給されているガスの特性を測定する装置 |
Country Status (15)
Country | Link |
---|---|
US (11) | US8453641B2 (ja) |
EP (4) | EP4049703B1 (ja) |
JP (5) | JP5108516B2 (ja) |
CN (2) | CN103143099B (ja) |
AU (1) | AU2005273119B2 (ja) |
CA (3) | CA2576409C (ja) |
DK (2) | DK3766534T3 (ja) |
ES (3) | ES2965650T3 (ja) |
FI (1) | FI4049703T3 (ja) |
HU (2) | HUE064585T2 (ja) |
LT (2) | LT4049703T (ja) |
PL (3) | PL1778330T3 (ja) |
PT (2) | PT4049703T (ja) |
SI (2) | SI4049703T1 (ja) |
WO (1) | WO2006019323A1 (ja) |
Families Citing this family (111)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003903139A0 (en) | 2003-06-20 | 2003-07-03 | Resmed Limited | Breathable gas apparatus with humidifier |
EP3838323B1 (en) | 2003-09-03 | 2023-04-05 | Fisher & Paykel Healthcare Limited | Respiratory mask with gas washout vent |
LT4049703T (lt) | 2004-08-20 | 2023-11-10 | Fisher & Paykel Healthcare Limited | Prietaisas pacientui tiekiamų dujų savybėms matuoti |
AU2006220222A1 (en) | 2005-03-01 | 2006-09-08 | Resmed Limited | Recognition system for an apparatus that delivers breathable gas to a patient |
US8893715B2 (en) | 2005-05-26 | 2014-11-25 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
CA2608601C (en) | 2005-07-01 | 2014-01-21 | Fisher & Paykel Healthcare Limited | A breathing assistance apparatus with a manifold to add auxiliary gases to ambient gases |
US8739780B2 (en) | 2005-08-15 | 2014-06-03 | Resmed Limited | Low cost CPAP flow generator and humidifier assembly |
NZ567371A (en) | 2005-10-14 | 2011-06-30 | Resmed Ltd | Flow generator message system for air flow CPAP apparatus to provides messages at predetermined intervals |
US20090126739A1 (en) | 2005-10-25 | 2009-05-21 | Resmed Limited | Interchangeable Mask Assembly |
CA2633151C (en) | 2005-12-15 | 2012-05-29 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
NZ625605A (en) * | 2006-11-08 | 2016-04-29 | Resmed Ltd | Conduit for use in a respiratory apparatus |
EP3782688B8 (en) * | 2006-11-08 | 2022-11-02 | ResMed Pty Ltd | Respiratory apparatus |
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