JP5771182B2 - ガス混合制御装置及びガス混合制御方法。 - Google Patents
ガス混合制御装置及びガス混合制御方法。 Download PDFInfo
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- JP5771182B2 JP5771182B2 JP2012501433A JP2012501433A JP5771182B2 JP 5771182 B2 JP5771182 B2 JP 5771182B2 JP 2012501433 A JP2012501433 A JP 2012501433A JP 2012501433 A JP2012501433 A JP 2012501433A JP 5771182 B2 JP5771182 B2 JP 5771182B2
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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
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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
-
- 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
-
- 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
-
- 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
-
- 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
- A61M16/0066—Blowers or centrifugal pumps
- A61M16/0069—Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
-
- 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
- A61M16/105—Filters
- A61M16/106—Filters in a path
- A61M16/107—Filters in a path in the inspiratory 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. 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
- A61M2016/0039—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
-
- 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
- A61M16/1005—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
- 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
- A61M16/1005—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
- A61M2016/1025—Measuring a parameter of the content of the delivered gas the O2 concentration
-
- 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
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- 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)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Claims (15)
- 第1のガスを供給するための第1の経路;
第2のガスを供給するための第2の経路であって、前記第2のガスは、所定の割合の前記第2のガスを含む混合ガスを作り出すよう、前記第1のガスと混合される、第2の経路;
吸気相の間、前記第1の経路及び前記第2の経路からアクセスポートへと、前記混合ガスを供するための、かつ、呼気相の間、前記アクセスポートから前記第1の経路へと、排出ガスを供するための、導管;及び
引き続く吸気相の間、前記アクセスポートに供される前記混合ガス中の前記第2のガスの前記所定の割合を維持するために、ある遅延時間、前記第2の経路からの前記第2のガスの供給を遅らせるための制御装置であって、当該制御装置は、前記呼気相の間に前記第1の経路が受けた前記排出ガスの量に基づいて、前記遅延時間の決定を行う、制御装置;
を含む人工呼吸器。 - 前記第1のガスは大気を含み、前記第2のガスは酸素を含む、請求項1に記載の人工呼吸器。
- 前記吸気相の間、前記混合ガスを加圧するための、かつ、前記呼気相の間、前記排出ガスを加圧するための、送風機をさらに含む、請求項1に記載の人工呼吸器。
- 前記第1の経路は、前記呼気の間に当該第1の経路が受けた前記排出ガスの流れを測定する第1の流れセンサーを含む、請求項1に記載の人工呼吸器。
- 前記制御装置は、測定された前記排出ガスの流れに基づいて、前記呼気相の間に前記第1の経路が受けた前記排出ガスの量を決定する、請求項4に記載の人工呼吸器。
- 前記制御装置はさらに、決定された前記排出ガスの前記量を、所定の閾値と比較することにより、前記遅延時間を決定する、請求項5に記載の人工呼吸器。
- 前記制御装置は、決定された前記排出ガスの前記量が、前記閾値を超える場合に、所定の時間周期に等しい前記遅延時間を設定する、請求項6に記載の人工呼吸器。
- 前記制御装置は、決定された前記排出ガスの前記量が、前記閾値を超えない場合に、決定された前記排出ガスの前記量に対応する時間周期に等しい前記遅延時間を設定する、請求項6に記載の人工呼吸器。
- 前記第2の経路は、前記制御装置の制御下で、前記第2のガスの供給を調節するための、バルブを含む、請求項5に記載の人工呼吸器。
- 前記制御装置は、前記遅延時間の間、前記第2のガスの供給を停止するよう、前記バルブを制御する、請求項9に記載の人工呼吸器。
- 前記バルブは、比例ソレノイドバルブを含む、請求項10に記載の人工呼吸器。
- 大気をミキシングノードへと供給するための大気経路;
酸素を前記ミキシングノードへと供給するための酸素経路であって、前記酸素は、所定
の割合の酸素を有する混合ガスを得るために、前記大気と混合される、酸素経路;
吸気相の間、前記混合ガスの加圧を行うための、送風機;
前記吸気相の間、前記送風機からアクセスポートへと、前記加圧が行われた前記混合ガスを供するための、かつ、呼気相の間、前記アクセスポートから前記大気経路へと、排出ガスを供するための、導管;及び
前記呼気相の後の吸気相の間、前記混合ガス中の前記酸素の前記所定の割合を維持するために、ある遅延時間、前記酸素経路からの前記酸素のガスの供給を遅らせるための制御装置であって、当該制御装置は、前記呼気相の間に前記第1の経路が受けた前記排出ガスの量に基づいて、前記遅延時間を決定する、制御装置;
を含む、人工呼吸器。 - 前記酸素経路はバルブを含み、
前記制御装置は、前記遅延時間の間、前記酸素の供給を停止するよう、前記バルブを制御し、
前記バルブは、比例ソレノイドバルブを含む、
請求項12に記載の人工呼吸器。 - 前記大気経路は、前記呼気相の間に前記大気経路が受けた前記排出ガスの流れを測定するための、大気フローセンサーを含み、
前記制御装置は、決定された前記排出ガスの前記フローに基づいて、前記呼気相の間に前記大気経路が受けた前記排出ガスの量を決定し、
前記制御装置は、決定された前記排出ガスの前記量に基づいて、前記遅延時間を決定する、
請求項12に記載の人工呼吸器。 - 前記大気経路は、前記呼気相の間に前記大気経路が受けた前記排出ガス中の酸素の割合を測定するための、ガスセンサーを含み、
前記制御装置は、測定された前記排出ガス中の前記酸素の前記割合に基づいて、前記遅延時間を決定する、
請求項12に記載の人工呼吸器。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16245309P | 2009-03-23 | 2009-03-23 | |
| US61/162,453 | 2009-03-23 | ||
| PCT/IB2010/051044 WO2010109364A1 (en) | 2009-03-23 | 2010-03-10 | Gas mixing control apparatus and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012521252A JP2012521252A (ja) | 2012-09-13 |
| JP5771182B2 true JP5771182B2 (ja) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012501433A Active JP5771182B2 (ja) | 2009-03-23 | 2010-03-10 | ガス混合制御装置及びガス混合制御方法。 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10238823B2 (ja) |
| EP (1) | EP2411078B1 (ja) |
| JP (1) | JP5771182B2 (ja) |
| CN (1) | CN102361661B (ja) |
| RU (1) | RU2538240C2 (ja) |
| WO (1) | WO2010109364A1 (ja) |
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2010
- 2010-03-10 JP JP2012501433A patent/JP5771182B2/ja active Active
- 2010-03-10 US US13/257,652 patent/US10238823B2/en active Active
- 2010-03-10 EP EP10714967.6A patent/EP2411078B1/en active Active
- 2010-03-10 CN CN201080013317.9A patent/CN102361661B/zh active Active
- 2010-03-10 RU RU2011142797/14A patent/RU2538240C2/ru not_active IP Right Cessation
- 2010-03-10 WO PCT/IB2010/051044 patent/WO2010109364A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US10238823B2 (en) | 2019-03-26 |
| EP2411078A1 (en) | 2012-02-01 |
| US20120006326A1 (en) | 2012-01-12 |
| RU2538240C2 (ru) | 2015-01-10 |
| CN102361661B (zh) | 2015-09-02 |
| JP2012521252A (ja) | 2012-09-13 |
| WO2010109364A1 (en) | 2010-09-30 |
| RU2011142797A (ru) | 2013-04-27 |
| EP2411078B1 (en) | 2016-05-18 |
| CN102361661A (zh) | 2012-02-22 |
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