JPH05509010A - デッドスペースからのガスの再呼吸の減少のための装置 - Google Patents
デッドスペースからのガスの再呼吸の減少のための装置Info
- Publication number
- JPH05509010A JPH05509010A JP3511440A JP51144091A JPH05509010A JP H05509010 A JPH05509010 A JP H05509010A JP 3511440 A JP3511440 A JP 3511440A JP 51144091 A JP51144091 A JP 51144091A JP H05509010 A JPH05509010 A JP H05509010A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- conduit
- flow
- exhalation
- breathing
- 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.)
- Granted
Links
- 239000007789 gas Substances 0.000 claims description 94
- 238000000034 method Methods 0.000 claims description 34
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 30
- 210000003437 trachea Anatomy 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000003570 air Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 210000001331 nose Anatomy 0.000 description 6
- 210000002345 respiratory system Anatomy 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 210000001989 nasopharynx Anatomy 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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. ventilators; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M16/0009—Accessories therefor, e.g. sensors, vibrators, negative pressure with sub-atmospheric pressure, e.g. during expiration
-
- 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
- A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes with alarm devices
-
- 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
-
- 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
- A61M16/1015—Preparation of respiratory gases or vapours with O2 features or with parameter measurement using a gas flush valve, e.g. oxygen flush valve
-
- 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
- A61M16/0816—Joints or connectors
- A61M16/0833—T- or Y-type connectors, e.g. Y-piece
-
- 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
- A61M16/1055—Filters bacterial
-
- 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
- A61M16/1065—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. 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
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
Description
Claims (19)
- 1.デッドスペースからのガスの再呼吸を減少させるめの方法において、 少なくとも呼息の最終フェーズの間に、使用された呼吸ガスの流れが気道に挿入 されているガス導管を通して吸引(排気)されることを特徴とする方法。
- 2.吸引(排気)されつつある使用中の呼吸ガスの流量(流れの大きさ)は、呼 息の最終フェーズの期間に呼吸器から出る呼吸ガスの流量(流れの大きさ)よリ も大きいような、請求の範囲第1項記載の方法。
- 3.呼吸ガスの吸引(排気)が呼息ガスの前もって決められた流れにおいて開始 されるような請求の範囲第1項または第2項記載の方法。
- 4.少なくとも呼息の最終フェーズの期間に、ガスの流れが気道に供給されるよ うな、請求の範囲第1項から第3項のいずれかに記載の方法。
- 5.ガスの供給が、気道に挿入された分離された導管によって行なわれるような 、請求の範囲第4項記載の方法。
- 6.呼吸ガスの吸引とガスの供給とが実質的に同時に生じるような、請求の範囲 第5項記載の方法。
- 7.呼吸ガスの吸引(排気)とガスの供給とが同一のガス導管を通して交互に生 じるような、請求の範囲第4項記載の方法。
- 8.吸引(排気)されおよび供給されるガス体積が前もって決められた相互関係 にあるよう制御されるような、請求の範囲第6項および第7項記載の方法。
- 9.供給されるガスの流れが加熱され、そして加湿されるような、請求の範囲第 4項から第8項のいずれかに記載の方法。
- 10.呼息ガスによって渡された温度と湿度とが供給されるガスの流れに供給さ れるような、請求の範囲第9項記載の方法。
- 11.温度と湿度とが、使用された呼吸ガスの吸引された流れから取られたもの であるような、請求の範囲第10項記載の方法。
- 12.デッドスペースからのガスの再呼吸を減少させるための装置において、 気道に挿入されるための導管と、 導管内に負圧を与えるためにチューブに接続された装置と、 治療されるべき患者の呼息の最終フェーズを決定する(決める)ための装置と、 そして 当該の決定に従って導管内に負圧を開始させるための装置と、を有することを特 徴とする装置。
- 13.呼息の最終フェーズを決めるための前記装置は、レスピレーター内の呼息 流を測定し、そしてこの流れを前もって決められた値に比較することを含むよう な、レスピレーターに結び付けられた、請求の範囲第12項記載の装置。
- 14.導管が、呼吸ガスの供給と排出のためにレスピレーターに接続された気管 チューブ内の分離された通路に接続されるか、または分離された通路として構成 されているような、請求の範囲第13項記載の装置。
- 15.レスピレーターの呼息フェースの期間に気管チューブにガスの供給をする ための装置が設けられるような、請求の範囲第13項記載の装置。
- 16.呼息の最終フェーズを決めるための前記装置が導管上に設けられた圧力セ ンサーを含むような、請求の範囲第12項記載の装置。
- 17.ストツプパルプを通して吸引装置に、そしてガス供給用装置に、それぞれ 接続するためのブランチを持つ導管が備えられているような、請求の範囲第12 項記載の装置。
- 18.入口鼻を持つチューブが設けられているような、請求の範囲第17項記載 の装置。
- 19.開かれた位置にバルブの調節を変更するための装置が設けられているよう な、請求の範囲第17項または第18項記載の装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9002161A SE500550C2 (sv) | 1990-06-18 | 1990-06-18 | Sätt och anordning för reduktion av återandning av gas från det skadliga rummet |
| SE9002161-9 | 1990-06-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05509010A true JPH05509010A (ja) | 1993-12-16 |
| JP3194948B2 JP3194948B2 (ja) | 2001-08-06 |
Family
ID=20379798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51144091A Expired - Fee Related JP3194948B2 (ja) | 1990-06-18 | 1991-06-18 | デッドスペースからのガスの再呼吸の減少のための装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5400778A (ja) |
| EP (1) | EP0592413B1 (ja) |
| JP (1) | JP3194948B2 (ja) |
| DE (1) | DE69121914T2 (ja) |
| ES (1) | ES2091931T3 (ja) |
| SE (1) | SE500550C2 (ja) |
| WO (1) | WO1991019526A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012520708A (ja) * | 2009-03-17 | 2012-09-10 | ドルフィース テクノロジーズ ベスローテン ヴェンノーツハップ | ジェット換気用カテーテル |
| JP2013538658A (ja) * | 2010-09-30 | 2013-10-17 | ブリーズ・テクノロジーズ・インコーポレーテッド | 気道を加湿する方法、システム、および装置 |
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| CN102266610A (zh) * | 2010-12-31 | 2011-12-07 | 北京谊安医疗系统股份有限公司 | 流量控制方法、装置及呼吸机 |
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| CN115444549A (zh) | 2013-08-09 | 2022-12-09 | 波士顿科学国际有限公司 | 可扩张导管以及制造和使用的相关方法 |
| EP3086831B1 (en) | 2013-12-27 | 2020-09-23 | St. Michael's Hospital | System for providing ventilatory assist to a patient |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3794026A (en) * | 1970-07-29 | 1974-02-26 | H Jacobs | Ventilating apparatus embodying selective volume or pressure operation and catheter means for use therewith |
| GB1576118A (en) * | 1976-06-02 | 1980-10-01 | Boc Ltd | Lung ventilators |
| DE2831313A1 (de) * | 1978-07-17 | 1980-02-07 | Draegerwerk Ag | Geraet zur unterstuetzung der atmung und/oder kuenstlichen beatmung |
| DE2847681C2 (de) * | 1978-11-03 | 1983-01-05 | Drägerwerk AG, 2400 Lübeck | Trachealtubus |
| DE3119814C2 (de) * | 1981-05-19 | 1984-07-26 | Drägerwerk AG, 2400 Lübeck | HFJ-Beatmungsgerät mit einer steuerbaren Atemgasquelle und Vorrichtung zur Unterdruckerzeugung |
| DE3204110C2 (de) * | 1982-02-06 | 1984-08-02 | Gerhard Dr.med. 7800 Freiburg Meuret | Trachealtubus zur künstlichen Beatmung und Respirator zum Anschluß an diesen Tubus |
| GB2118442A (en) * | 1982-04-15 | 1983-11-02 | James Gordon Whitwam | Improvements in or relating to respirators |
| DE3313855C1 (de) * | 1983-04-16 | 1984-03-15 | Drägerwerk AG, 2400 Lübeck | Beatmungssystem |
| DE3435849C2 (de) * | 1984-09-29 | 1987-04-16 | Paul Peter Prof. Dr.med. 4400 Münster Lunkenheimer | Luftimpulserzeuger bei Beatmungsgeräten |
| US5186167A (en) * | 1990-10-31 | 1993-02-16 | The United States Of America As Represented By The Department Of Health And Human Services | Catheter tip for intratracheal ventilation and intratracheal pulmonary ventilation |
| US5291882A (en) * | 1992-05-11 | 1994-03-08 | Makhoul Imad R | Multi-lumen ITPV endotracheal tube |
-
1990
- 1990-06-18 SE SE9002161A patent/SE500550C2/sv unknown
-
1991
- 1991-06-18 DE DE69121914T patent/DE69121914T2/de not_active Expired - Fee Related
- 1991-06-18 US US07/955,872 patent/US5400778A/en not_active Expired - Lifetime
- 1991-06-18 WO PCT/SE1991/000435 patent/WO1991019526A1/en not_active Ceased
- 1991-06-18 ES ES91911664T patent/ES2091931T3/es not_active Expired - Lifetime
- 1991-06-18 JP JP51144091A patent/JP3194948B2/ja not_active Expired - Fee Related
- 1991-06-18 EP EP91911664A patent/EP0592413B1/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012520708A (ja) * | 2009-03-17 | 2012-09-10 | ドルフィース テクノロジーズ ベスローテン ヴェンノーツハップ | ジェット換気用カテーテル |
| JP2013538658A (ja) * | 2010-09-30 | 2013-10-17 | ブリーズ・テクノロジーズ・インコーポレーテッド | 気道を加湿する方法、システム、および装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2091931T3 (es) | 1996-11-16 |
| WO1991019526A1 (en) | 1991-12-26 |
| JP3194948B2 (ja) | 2001-08-06 |
| SE500550C2 (sv) | 1994-07-11 |
| US5400778A (en) | 1995-03-28 |
| EP0592413B1 (en) | 1996-09-04 |
| DE69121914T2 (de) | 1997-02-06 |
| SE9002161D0 (sv) | 1990-06-18 |
| EP0592413A1 (en) | 1994-04-20 |
| DE69121914D1 (de) | 1996-10-10 |
| SE9002161L (sv) | 1991-12-19 |
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