JP5658655B2 - 人工呼吸器リーク補償 - Google Patents
人工呼吸器リーク補償 Download PDFInfo
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- JP5658655B2 JP5658655B2 JP2011503079A JP2011503079A JP5658655B2 JP 5658655 B2 JP5658655 B2 JP 5658655B2 JP 2011503079 A JP2011503079 A JP 2011503079A JP 2011503079 A JP2011503079 A JP 2011503079A JP 5658655 B2 JP5658655 B2 JP 5658655B2
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- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 32
- 230000000241 respiratory effect Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 24
- 230000008859 change Effects 0.000 claims description 10
- 230000001815 facial effect Effects 0.000 claims description 8
- 230000001419 dependent effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 15
- 230000003434 inspiratory effect Effects 0.000 description 13
- 238000004364 calculation method Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 210000004072 lung Anatomy 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000002644 respiratory therapy Methods 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001097 facial muscle Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 239000013643 reference control Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000013125 spirometry Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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. ventilators; Tracheal tubes
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
- A61M16/024—Control means therefor including calculation means, e.g. using a processor
- A61M16/026—Control means therefor including calculation means, e.g. using a processor specially adapted for predicting, e.g. for determining an information representative of a flow limitation during a ventilation cycle by using a root square technique or a regression analysis
-
- 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
- A61M16/0057—Pumps 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/04—Tracheal 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. 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
- A61M16/06—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. ventilators; 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. ventilators; Tracheal tubes
- A61M16/0057—Pumps therefor
- A61M16/0063—Compressors
-
- 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
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0015—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
- A61M2016/0018—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical
- A61M2016/0021—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical with a proportional output signal, e.g. from a thermistor
-
- 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
- A61M16/0003—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. ventilators; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
-
- 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
- A61M2205/15—Detection of leaks
-
- 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
-
- 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
- A61M2205/52—General characteristics of the apparatus with microprocessors or computers with memories providing a history of measured variating parameters of apparatus or patient
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/46—Resistance or compliance of the lungs
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Emergency Medicine (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
Claims (21)
- 人工呼吸器であって、
呼吸ガスを提供および受容する空気圧システムと、
空気圧システムと動作可能に接続されるコントローラと、を含み、
コントローラが、患者との間の呼吸ガスの、空気圧システムによる循環を制御し、患者に供給される呼吸ガスの体積および圧力のうち少なくとも1つを調整するように操作可能であり、このような調整が、空気圧システムを患者に流体接続するために使用される構成要素の弾性特性に基づく、人工呼吸器。 - 構成要素が、物理的患者インターフェースである、請求項1に記載の人工呼吸器。
- 物理的患者インターフェースが顔面呼吸マスクである、請求項2に記載の人工呼吸器。
- 調整が、顔面呼吸マスクのオリフィスの弾性および硬質リーク特性に基づく、請求項3に記載の人工呼吸器。
- 調整が、リークの原因になる構成要素のオリフィスのサイズの変化に基づく、請求項1に記載の人工呼吸器。
- 調整が、構成要素を構成する材料の弾性係数に基づく、請求項1に記載の人工呼吸器。
- 操作者の入力を受け付けるように構成されている操作者インターフェースをさらに含み、調整がそのような操作者入力に依存している、請求項1に記載の人工呼吸器。
- コントローラが、操作者インターフェースでの操作者入力に基づいて構成要素の弾性特性を決定するように構成されている、請求項7に記載の人工呼吸器。
- 人工呼吸器であって、
呼吸ガスを提供および受容する空気圧システムと、
空気圧システムを患者と流体接続するための、物理的患者インターフェースおよび呼吸回路を含む、エアウェーであって、印加された圧力に応じて人工呼吸器の動作中にサイズを変化させかつリークの原因になるオリフィスを含む、エアウェーと、
空気圧システムと動作可能に接続されるコントローラであって、空気圧システムから患者への呼吸ガスの供給を制御し、オリフィスの変化するサイズおよびエアウェーの弾性特性に基づいて、エアウェー漏洩のためのそのような供給を調整するように操作可能であるコントローラとを含む、人工呼吸器。 - コントローラが、人工呼吸器の動作中に、エアウェー漏洩のための調整の規模を呼吸周期ごとに一回更新するように構成されている、請求項9に記載の人工呼吸器。
- コントローラが、複数の呼吸周期のそれぞれの間に、調整の規模を更新するように構成されている、請求項10に記載の人工呼吸器。
- コントローラが、リークの原因になるオリフィスを含むエアウェーの一部の弾性特性に基づいて、調整の規模を呼吸周期ごとに一回更新するように構成されている、請求項10に記載の人工呼吸器。
- 物理的患者インターフェースが、リークの原因になるオリフィスを少なくとも部分的に画定する顔面呼吸マスクを含む、請求項9に記載の人工呼吸器。
- 空気圧システムと、空気圧システムを患者に流体接続するようになっているエアウェーと、コントローラとを含む人工呼吸器における、リーク補償方法であって、
エアウェー中のリークの原因になるオリフィスのサイズに基づいて、リーク補償の基準レベルをコントローラによって提供するステップと、
オリフィスを包含するエアウェーの構成要素の弾性特性をコントローラによって決定するステップと、
オリフィスの変形を引き起こすのに十分な圧力に応じてリーク補償の基準レベルをコントローラによって調整するステップであって、調整の規模が構成要素の弾性特性に依存するステップとを含む、方法。 - 構成要素が物理的患者インターフェースである、請求項14に記載の方法。
- 物理的患者インターフェースが顔面人工呼吸器マスクである、請求項15に記載の方法。
- 構成要素が、患者と空気圧システムとの間を流体接続する呼吸回路である、請求項14に記載の方法。
- リーク補償の基準レベルを調整するステップが、複数の呼吸周期の間に実行される、請求項14に記載の方法。
- 調整の規模が、呼吸周期ごとに少なくとも一回更新される、請求項18に記載の方法。
- 人工呼吸器の操作者インターフェースで操作者入力を受け付けるステップと、構成要素の弾性特性を決定するステップでそのような操作者入力を使用するステップと、をさらに含む、請求項14に記載の方法。
- 人工呼吸器であって、
呼吸ガスを提供および受容する空気圧システムと、
空気圧システムを患者と流体接続するための、物理的患者インターフェースおよび呼吸回路を含むエアウェーと、
空気圧システムと動作可能に接続されるコントローラと、を含み、
コントローラが、患者との間の呼吸ガスの、空気圧システムによる循環を制御し、エアウェーにおけるリークを補償するために呼吸ガスフローの調整を呼吸周期ごとに一回行うように操作可能であり、そのようなリーク補償が、エアウェーの構成要素の硬質リーク特性に、およびエアウェーの構成要素の弾性リーク特性に依存している、人工呼吸器。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4107008P | 2008-03-31 | 2008-03-31 | |
| US61/041,070 | 2008-03-31 | ||
| PCT/US2009/038818 WO2009123979A1 (en) | 2008-03-31 | 2009-03-30 | Ventilator leak compensation |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014239575A Division JP5995942B2 (ja) | 2008-03-31 | 2014-11-27 | 人工呼吸器リーク補償 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2011516159A JP2011516159A (ja) | 2011-05-26 |
| JP5658655B2 true JP5658655B2 (ja) | 2015-01-28 |
Family
ID=40688848
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011503079A Expired - Fee Related JP5658655B2 (ja) | 2008-03-31 | 2009-03-30 | 人工呼吸器リーク補償 |
| JP2014239575A Active JP5995942B2 (ja) | 2008-03-31 | 2014-11-27 | 人工呼吸器リーク補償 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014239575A Active JP5995942B2 (ja) | 2008-03-31 | 2014-11-27 | 人工呼吸器リーク補償 |
Country Status (6)
| Country | Link |
|---|---|
| US (4) | US8272380B2 (ja) |
| EP (3) | EP2259824B1 (ja) |
| JP (2) | JP5658655B2 (ja) |
| AU (1) | AU2009231893B2 (ja) |
| CA (1) | CA2719117C (ja) |
| WO (3) | WO2009123976A1 (ja) |
Families Citing this family (161)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| FR2858236B1 (fr) | 2003-07-29 | 2006-04-28 | Airox | Dispositif et procede de fourniture de gaz respiratoire en pression ou en volume |
| AU2004266693B2 (en) | 2003-08-18 | 2011-03-10 | Breathe Technologies, Inc | Method and device for non-invasive ventilation with nasal interface |
| US7533670B1 (en) | 2005-09-20 | 2009-05-19 | Breathe Technologies, Inc. | Systems, methods and apparatus for respiratory support of a patient |
| US8021310B2 (en) | 2006-04-21 | 2011-09-20 | Nellcor Puritan Bennett Llc | Work of breathing display for a ventilation system |
| EP2023987B1 (en) | 2006-05-18 | 2016-11-09 | Breathe Technologies, Inc. | Tracheotomy device |
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| JP2011516159A (ja) | 2011-05-26 |
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| US20090241955A1 (en) | 2009-10-01 |
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| US8434480B2 (en) | 2013-05-07 |
| US8272380B2 (en) | 2012-09-25 |
| CA2719117C (en) | 2015-11-24 |
| US9421338B2 (en) | 2016-08-23 |
| EP2259822A1 (en) | 2010-12-15 |
| EP2259824B1 (en) | 2013-03-20 |
| JP5995942B2 (ja) | 2016-09-21 |
| WO2009123973A1 (en) | 2009-10-08 |
| US20130186400A1 (en) | 2013-07-25 |
| EP2259824A1 (en) | 2010-12-15 |
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