JP6371387B2 - バイパスを有するガス流転換要素 - Google Patents
バイパスを有するガス流転換要素 Download PDFInfo
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- JP6371387B2 JP6371387B2 JP2016524823A JP2016524823A JP6371387B2 JP 6371387 B2 JP6371387 B2 JP 6371387B2 JP 2016524823 A JP2016524823 A JP 2016524823A JP 2016524823 A JP2016524823 A JP 2016524823A JP 6371387 B2 JP6371387 B2 JP 6371387B2
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- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 256
- 238000009423 ventilation Methods 0.000 description 39
- 238000000034 method Methods 0.000 description 38
- 230000003434 inspiratory effect Effects 0.000 description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 14
- 239000003814 drug Substances 0.000 description 11
- 229940079593 drug Drugs 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 210000004072 lung Anatomy 0.000 description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- 239000001569 carbon dioxide Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 206010002091 Anaesthesia Diseases 0.000 description 6
- 230000037005 anaesthesia Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000005399 mechanical ventilation Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- UCTWMZQNUQWSLP-UHFFFAOYSA-N adrenaline Chemical compound CNCC(O)C1=CC=C(O)C(O)=C1 UCTWMZQNUQWSLP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 230000037431 insertion Effects 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010009192 Circulatory collapse Diseases 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
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- 230000003419 expectorant effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000516 lung damage Toxicity 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- Health & Medical Sciences (AREA)
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- 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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
デルタP2 > 2xデルタP1
医療用酸素、空気、酸素と空気の混合物、これらのガスを加湿した(水湿)したもの、 これらのガスに麻酔“ガス” (麻酔は、しばしば液体として吸気ガスに利用されるも のであるから、それは“湿気”とも呼ばれている)を加えたもの、そして患者に加えら れるための、他の全ての考えられる種類のガス、および液体/湿気(の液滴)を含む。 それゆえ、吸気ガスはガスであるだけでなく、気相において分解あるいは分散している 液体のような、二相系をも含む。
1.呼気ガス流の(静的および/または動的)圧力を測定するステップ
2.呼気容量ガス流を規制するステップ
ここで、ステップ2はステップ1における測定値に基づいて行われる。
2 主要部
3 分岐部
4 圧力コネクタ
5 排出口
6 管路コネクタ
7 ノズル(噴射ノズル)
8 ガス流
9 流入領域
10 管腔
11 圧縮ガス源
12 側方アクセス部
13 コネクタ管路
14 供給ガス
15 ノズル領域
16 混合領域
17 混合流路
18 バイパス
19 閉鎖要素
20 第一流路
21 第二流路
22 第三流路
23 第四流路
24 カフ
25 測定装置
26 第一圧力損失デルタP1
27 第二圧力損失デルタP2
28 流動領域
29 供給管路
30 制御ユニット
31 第一圧力センサ
32 延長管路
33 第二圧力センサ
Claims (5)
- 特に患者の気道内に連結または挿入可能な管路コネクタ(6)からまたは管路コネクタ(6)へ選択的にガス流(8)を生じるために、過剰圧力下にある供給ガス(14)、特に各吸気ガス、を用いるためのガス流転換要素(1)では、
前記ガス流転換要素(1)は主要部(2)として設計されており、
前記主要部(2)は、少なくとも流入領域(9)、流動領域(28)、ノズル領域(15)および混合領域(16)、またさらに分岐部(3)を含み、
前記流入領域(9)は、前記供給ガス(14)に連結するために、圧力コネクタ(4)を前記混合領域(16)に配置された少なくとも一つの閉鎖可能な排出口(5)に連結しており、
前記分岐部(3)は、前記主要部(2)の前記ノズル領域(15)を前記管路コネクタ(6)に連結しており、
ノズル(7)、特に噴射ノズルが、ノズル領域(15)に構成されて配置されていることにより、第一流路(20)に沿って前記圧力コネクタ(4)から前記主要部(2)へ、続いて前記流入領域(9)、前記流動領域(28)、前記ノズル領域(15)そして前記ノズル(7)を通って前記混合領域(16)から開放された状態の前記排出口(5)へ流れているガス流(8)が、前記管路コネクタ(6)から続いて前記分岐部(3)、前記ノズル領域(15)そして前記混合領域(16)を通って前記排出口(5)へと流れる第二流路(21)に沿った前記分岐部(3)におけるガス流(8)を生じることができ、
さらに、前記圧力コネクタ(4)を介してガス流転換要素(1)に入るガス流(8)が、前記排出口(5)を閉鎖した状態で、第四流路(23)に沿って流れて続いて前記流入領域(9)、前記ノズル領域(15)そして前記ノズル(7)を通って前記分岐部(3)内に入って、前記管路コネクタ(6)へと流れることができる、ガス流転換要素(1)であって、
前記ガス流転換要素(1)は、ガス流(8)が前記流入領域(9)、バイパス(18)および前記分岐部(3)を介して第三流路(22)に沿って流れることができるように、さらに前記圧力コネクタ(4)と前記管路コネクタ(6)とを連結する前記バイパス(18)をさらに備え、
少なくとも前記バイパス(18)および前記流動領域(28)が少なくとも一つの閉鎖要素(19)によって閉鎖可能、かつ、前記バイパス(18)および前記流動領域(28)のうちの一方が閉鎖されているときは他方が開放可能となっており、これにより前記ガス流(8)は前記第三流路(22)に沿った前記バイパス(18)を介して前記ノズル領域(15)内の前記ノズル(7)を迂回できる
ガス流転換要素(1)。 - 請求項1に記載のガス流転換要素(1)であって、前記少なくとも一つの閉鎖要素(19)が、三つの管を互いに異なるように連結すべく、二つの位置の間で切換可能な3/2式弁である
ガス流転換要素(1)。 - 請求項1に記載のガス流転換要素(1)であって、二つのハサミ弁が前記少なくとも一つの閉鎖要素(19)として備えられ、一つのハサミ弁が前記第三流路(22)に配置され、前記他のハサミ弁が前記第一流路(20)に配置されている
ガス流転換要素(1)。 - 請求項1乃至3のいずれかに記載のガス流転換要素(1)であって、前記排出口(5)を閉鎖して、前記圧力コネクタ(4)での雰囲気圧を超える1乃至8バールの過剰圧力をかけた際に、前記バイパス(18)を介して前記圧力コネクタ(4)と前記管路コネクタ(6)を連結している前記第三流路(22)は、第一圧力損失デルタP1(26)を有し、前記流入領域(9)、前記流動領域(28)、前記ノズル領域(15)および前記分岐部(3)を介して前記圧力コネクタ(4)と前記管路コネクタ(6)を連結している第四流路(23)は、第二圧力損失デルタP2(27)を有し、ここで
デルタP2 > 2xデルタP1
である
ガス流転換要素(1)。 - 請求項1乃至4のいずれかに記載のガス流転換要素(1)であって、前記排出口(5)が開放された状態でガス流(8)が前記第一流路(20)に沿って流れることにより、具体的に前記圧力コネクタ(4)での雰囲気圧を0.5乃至8バール超える過剰圧力下で容量流量が少なくとも毎分1リットルである、前記第二流路(21)に沿った前記ガス流(8)も生じるように、前記混合流路(17)および前記ノズル(7)は、前記主要部(2)に構成されて配置されている
ガス流転換要素(1)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361844746P | 2013-07-10 | 2013-07-10 | |
US61/844,746 | 2013-07-10 | ||
PCT/EP2014/064801 WO2015004229A1 (en) | 2013-07-10 | 2014-07-10 | Gas flow reversing element with bypass and method for controlling expiration of a patient |
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DE102015108593A1 (de) * | 2015-06-01 | 2016-12-01 | Ventinova Technologies B.V. | Anordnung mit Gasstromumkehrelement und einem schaltbaren Anschluss |
DE102016109528A1 (de) | 2016-03-01 | 2017-09-07 | Ventinova Technologies B.V. | Verfahren und Vorrichtung zur Beatmung eines Patienten |
DE102017101645A1 (de) | 2017-01-27 | 2018-08-02 | Ventinova Technologies B.V. | Vorrichtungen und Verfahren zur Beatmung eines Patienten |
DE102018000741A1 (de) * | 2017-02-03 | 2018-08-09 | Löwenstein Medical Technology S.A. | Beatmungsgerät mit Synchronitätsindex |
US20200171253A1 (en) * | 2017-06-27 | 2020-06-04 | Air Liquide Santé (International) | Resuscitation bag with derivation conduct compatible with thoracic compressions |
CN109248358A (zh) * | 2017-07-13 | 2019-01-22 | 哈达 | 喷射供氧转换装置 |
EP3530308B1 (en) * | 2018-02-23 | 2021-05-12 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Emergency oxygen delivery device |
EP4142841A4 (en) * | 2020-04-29 | 2024-05-22 | LifeAir Medical Corporation | VENTILATION SYSTEM WITH REMOVABLE AIRWAYS |
DE102022112209A1 (de) | 2022-05-16 | 2023-11-16 | Dietmar Enk | Beatmungsvorrichtung, Ventileinrichtung und Verfahren zum Betreiben einer Beatmungsvorrichtung |
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GB714773A (en) * | 1951-10-30 | 1954-09-01 | British Oxygen Co Ltd | Improvements in or relating to resuscitation apparatus |
GB806471A (en) * | 1955-01-03 | 1958-12-23 | John Henry Blease | Improvements in or relating to assisted and artificial respiration, anaesthesia and the like |
US3581742A (en) * | 1968-06-11 | 1971-06-01 | Medical Services Inc | Intermittent positive pressure breathing device |
US3859995A (en) * | 1973-07-02 | 1975-01-14 | Westinghouse Electric Corp | Breathing assist apparatus |
US4595004A (en) * | 1984-09-17 | 1986-06-17 | Kurt Czech | Apparatus for the treatment of the lungs of humans or animals |
US5388571A (en) * | 1987-07-17 | 1995-02-14 | Roberts; Josephine A. | Positive-pressure ventilator system with controlled access for nebulizer component servicing |
US5239994A (en) * | 1991-05-10 | 1993-08-31 | Bunnell Incorporated | Jet ventilator system |
US5823179A (en) * | 1996-02-13 | 1998-10-20 | 1263152 Ontario Inc. | Nebulizer apparatus and method |
SE9902180D0 (sv) * | 1999-06-10 | 1999-06-10 | Siemens Elema Ab | Apparatus for the supply of a breathing gas |
BRPI0518641B8 (pt) * | 2004-12-08 | 2021-06-22 | Ventus Medical Inc | dispositivo respiratório nasal |
DE102007013385A1 (de) * | 2007-03-16 | 2008-09-18 | Enk, Dietmar, Dr.med. | Gasstromumkehrelement |
US8303276B2 (en) * | 2008-12-10 | 2012-11-06 | Covidien Lp | Pump and exhalation valve control for respirator apparatus |
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JP5270525B2 (ja) * | 2009-12-22 | 2013-08-21 | 日立オートモティブシステムズ株式会社 | 制御弁装置 |
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US20160166789A1 (en) | 2016-06-16 |
ES2663394T3 (es) | 2018-04-12 |
BR112016000179A2 (ja) | 2017-07-25 |
CN105392515A (zh) | 2016-03-09 |
RU2663787C2 (ru) | 2018-08-09 |
BR112016000179B1 (pt) | 2021-11-16 |
RU2016104098A3 (ja) | 2018-03-14 |
US11969550B2 (en) | 2024-04-30 |
EP3019228A1 (en) | 2016-05-18 |
EP3019228B1 (en) | 2017-12-20 |
US20210069435A1 (en) | 2021-03-11 |
RU2016104098A (ru) | 2017-08-11 |
CN105392515B (zh) | 2018-07-06 |
US10857318B2 (en) | 2020-12-08 |
JP2016523674A (ja) | 2016-08-12 |
WO2015004229A1 (en) | 2015-01-15 |
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