JP7086209B2 - 中継投与装置及び一酸化窒素投与システム - Google Patents
中継投与装置及び一酸化窒素投与システム Download PDFInfo
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- JP7086209B2 JP7086209B2 JP2020553007A JP2020553007A JP7086209B2 JP 7086209 B2 JP7086209 B2 JP 7086209B2 JP 2020553007 A JP2020553007 A JP 2020553007A JP 2020553007 A JP2020553007 A JP 2020553007A JP 7086209 B2 JP7086209 B2 JP 7086209B2
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 1450
- 239000007789 gas Substances 0.000 claims description 177
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 159
- 229910052760 oxygen Inorganic materials 0.000 claims description 159
- 239000001301 oxygen Substances 0.000 claims description 159
- 238000011144 upstream manufacturing Methods 0.000 claims description 116
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 38
- 238000001514 detection method Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 description 148
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 31
- 230000001360 synchronised effect Effects 0.000 description 23
- 238000006243 chemical reaction Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 16
- 238000010992 reflux Methods 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 15
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 13
- 229910001882 dioxygen Inorganic materials 0.000 description 13
- 239000000126 substance Substances 0.000 description 10
- 230000005856 abnormality Effects 0.000 description 8
- 239000003463 adsorbent Substances 0.000 description 8
- 238000003795 desorption Methods 0.000 description 8
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
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- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
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- 230000004872 arterial blood pressure Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- -1 calcium hydroxide) Chemical compound 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
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- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 210000001147 pulmonary artery Anatomy 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 208000019693 Lung disease Diseases 0.000 description 1
- 206010047163 Vasospasm Diseases 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 238000004364 calculation method Methods 0.000 description 1
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- 201000010099 disease Diseases 0.000 description 1
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- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000018875 hypoxemia Diseases 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- 230000001960 triggered effect Effects 0.000 description 1
- 230000000304 vasodilatating effect Effects 0.000 description 1
- 229940124549 vasodilator Drugs 0.000 description 1
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- A61M2205/7545—General characteristics of the apparatus with filters for solid matter, e.g. microaggregates
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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
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/42—Rate
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Description
50 中継投与装置
504 圧力計
505 二方弁
506 NO濃度計
507 流量計
600 制御部
Claims (12)
- 吸気口及び供給口を備えた第1流路と、前記第1流路に配置され、前記吸気口を介して流入した空気からNOを生成する放電部であって、生成されたNOが前記供給口を介して供給される放電部を備えたNO生成部と、を有して空気から生成されたNOを供給する一酸化窒素投与装置に接続される中継投与装置であって、
NO濃度測定部と、
流量計又は圧力計と、
前記NO濃度測定部によって測定されたNO濃度と、前記流量計又は前記圧力計の値とに基づき、患者へ投与されるNOの投与量を算出する制御部と、
前記算出された投与量が予め定められた値よりも少ないとき流量を増やし、前記算出された投与量が予め定められた値よりも多いとき流量を減らすように構成された調整弁と、を具備することを特徴とする中継投与装置。 - 前記調整弁によって、患者の吸気のときにNOが供給され、患者の呼気のときにNOの供給が停止される請求項1に記載の中継投与装置。
- NO2除去部をさらに具備する請求項1又は2に記載の中継投与装置。
- NO2濃度測定部をさらに具備する請求項1乃至3のいずれか一項に記載の中継投与装置。
- 患者へ投与されなかったNOを含む余剰ガスの排出口をさらに具備する請求項1乃至4のいずれか一項に記載の中継投与装置。
- 前記余剰ガス中のNO又はNO2を除去する除去部をさらに具備する請求項5に記載の中継投与装置。
- 空気から生成されたNOを供給する一酸化窒素投与システムであって、
吸気口及び供給口を備えた第1流路と、前記第1流路に配置され、前記吸気口を介して流入した空気からNOを生成する放電部であって、生成されたNOが前記供給口を介して供給される放電部を備えたNO生成部と、を有する一酸化窒素投与装置と、
上流側接続端及び下流側接続端を備えた第2流路を有する中継投与装置と、
前記一酸化窒素投与装置の前記供給口と前記中継投与装置の前記上流側接続端とを接続する延長チューブと、
前記下流側接続端に接続され、患者にNOを投与するカニューラと、
患者の呼吸を検出する呼吸検出装置と、を具備し、
前記中継投与装置が、前記第2流路に配置され、前記呼吸検出装置で検出された患者の呼吸に応じて、開度及び開時間が制御されて、NOの投与量を調整するための調整弁をさらに有することを特徴とする一酸化窒素投与システム。 - 前記呼吸検出装置が、前記第2流路に配置された圧力計である請求項7に記載の一酸化窒素投与システム。
- 前記一酸化窒素投与装置又は前記中継投与装置が、NO濃度測定部を有する請求項7又は8に記載の一酸化窒素投与システム。
- 前記一酸化窒素投与装置又は前記中継投与装置が、NO2を除去するNO2除去部を有する請求項7乃至9のいずれか一項に記載の一酸化窒素投与システム。
- 前記NO2除去部の下流から前記NO2除去部の上流へと還流する流路をさらに具備し、
前記中継投与装置が、前記NO2除去部の下流から前記カニューラへの流路の開閉を切り替える第1流路切替部と、を有し、前記調整弁が、前記第1流路切替部である請求項10に記載の一酸化窒素投与システム。 - 前記吸気口を介して流入した空気から濃縮酸素を生成する酸素生成部であって、生成された濃縮酸素が酸素供給口を介して供給される酸素生成部をさらに具備する7乃至11のいずれか一項に記載の一酸化窒素投与システム。
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JP2016512745A (ja) | 2013-03-15 | 2016-05-09 | イノ セラピューティックス エルエルシー | パルス的および連続的流れ制御による治療用ガス送達装置 |
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