JPH035440U - - Google Patents
Info
- Publication number
- JPH035440U JPH035440U JP6700989U JP6700989U JPH035440U JP H035440 U JPH035440 U JP H035440U JP 6700989 U JP6700989 U JP 6700989U JP 6700989 U JP6700989 U JP 6700989U JP H035440 U JPH035440 U JP H035440U
- Authority
- JP
- Japan
- Prior art keywords
- carbon dioxide
- perfusate
- ion concentration
- blood
- gas
- 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
- 210000004072 lung Anatomy 0.000 claims description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 20
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 10
- 239000001569 carbon dioxide Substances 0.000 claims 10
- 239000008280 blood Substances 0.000 claims 8
- 210000004369 blood Anatomy 0.000 claims 8
- 238000009792 diffusion process Methods 0.000 claims 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 6
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 claims 5
- 239000007788 liquid Substances 0.000 claims 5
- 229910001414 potassium ion Inorganic materials 0.000 claims 5
- 239000002253 acid Substances 0.000 claims 4
- 239000007789 gas Substances 0.000 claims 4
- 230000010412 perfusion Effects 0.000 claims 4
- 102000003846 Carbonic anhydrases Human genes 0.000 claims 2
- 108090000209 Carbonic anhydrases Proteins 0.000 claims 2
- 239000001257 hydrogen Substances 0.000 claims 2
- 229910052739 hydrogen Inorganic materials 0.000 claims 2
- -1 hydrogen ions Chemical class 0.000 claims 2
- 239000011261 inert gas Substances 0.000 claims 2
- 239000012528 membrane Substances 0.000 claims 2
- 150000007513 acids Chemical class 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案の体外循環型肺補助装置の実
施例を示すブロツク系統図、第２図は第１図の実
施例の要部を示すブロツク系統図、第３図は第１
図の実施例のコントロールプログラムの割込ルー
チンを示すフローチヤート、第４図は第１図の実
施例のバツクグラウンドルーチンを示すフローチ
ヤート、第５図は従来の体外循環型肺補助装置を
示すブロツク系統図である。
Fig. 1 is a block system diagram showing an embodiment of the extracorporeal circulation type lung assist device of this invention, Fig. 2 is a block system diagram showing the main parts of the embodiment of Fig.
4 is a flowchart showing the background routine of the embodiment of FIG. 1; FIG. 5 is a block diagram showing the conventional extracorporeal circulation type lung assist device. It is a system diagram.
Claims (1)
血液と潅流液とを透析器内で膜を介して接触させ
、血液中の二酸化炭素成分を重炭酸イオンの形に
て潅流液中へ移動させて放散筒に導き、潅流液PH
の補正用として上記放散筒に加える酸から解離し
た水素イオンと、上記移動した重炭酸イオンとを
炭酸脱水素酵素の存在下で反応させて、その重炭
酸イオンを二酸化炭素として転化し、その潅流液
を不活性ガスと気液接触させることにより上記二
酸化炭素を炭酸ガスとして放散させ、この炭酸ガ
スを除去した潅流液を上記放散筒と上記透析器と
の間で循環させて使用する体外循環型肺補助装置
において、 上記潅流液PHの補正用としてクロルイオン濃度
が異なる酸を切り換え供給する手段と、 上記潅流液中のクロルイオン濃度を検出する手
段と、 その検出した潅流液中のクロルイオン濃度と予
め設定された正常値とを比較する手段と、 検出したクロルイオン濃度が設定された正常値
を越えた場合に、上記放散筒に加えるPH補正用酸
をクロルイオン濃度が低いものに切り換える手段
とを具備することを特徴とする体外循環型肺補助
装置。 (2) 血液ポンプにより脱血した患者の体外循環
血液と潅流液とを透析器内で膜を介して接触させ
、血液中の二酸化炭素成分を重炭酸イオンの形に
て潅流液中へ移動させて放散筒に導き、潅流液PH
の補正用として上記放散筒に加える酸から解離し
た水素イオンと、上記移動した重炭酸イオンとを
炭酸脱水素酵素の存在下で反応させて、その重炭
酸イオンを二酸化炭素として転化し、その潅流液
を不活性ガスと気液接触させることにより上記二
酸化炭素を炭酸ガスとして放散させ、この炭酸ガ
スを除去した潅流液を上記放散筒と上記透析器と
の間で循環させて使用する体外循環型肺補助装置
において、 上記放散筒にカリウムイオン補正液を供給する
手段と、 上記潅流液中のカリウムイオン濃度を検出する
手段と、 その検出したカリウムイオン濃度と予め設定さ
れた正常値とを比較する手段と、 上記検出したカリウムイオン濃度が上記正常値
を下回つた場合に、上記放散筒に上記カリウムイ
オン補正液を自動的に添加する手段とを具備する
ことを特徴とする体外循環型肺補助装置。[Scope of Claim for Utility Model Registration] (1) Extracorporeally circulating blood from a patient whose blood has been removed using a blood pump is brought into contact with perfusate through a membrane in a dialyzer, and the carbon dioxide component in the blood is converted into bicarbonate ions. into the perfusate and guide it to the dispersion tube to reduce the perfusion liquid pH.
The hydrogen ions dissociated from the acid added to the diffusion tube for correction of the above-mentioned and the transferred bicarbonate ions are reacted in the presence of carbonic anhydrase, and the bicarbonate ions are converted into carbon dioxide, and the perfusion is performed. An extracorporeal circulation type in which the carbon dioxide is diffused as carbon dioxide gas by bringing the liquid into gas-liquid contact with an inert gas, and the perfusate from which the carbon dioxide gas has been removed is circulated between the diffusion cylinder and the dialyzer. In the lung support device, means for switching and supplying acids having different chloride ion concentrations for correcting the perfusate PH, means for detecting the chloride ion concentration in the perfusate, and the detected chloride ion concentration in the perfusate. and a means for comparing the detected chlorine ion concentration with a preset normal value, and a means for switching the PH correction acid added to the diffusion tube to one with a lower chloride ion concentration when the detected chloride ion concentration exceeds the set normal value. An extracorporeal circulation type lung support device comprising: (2) The extracorporeally circulating blood of a patient whose blood has been removed by a blood pump is brought into contact with the perfusate through a membrane in the dialyzer, and the carbon dioxide component in the blood is transferred into the perfusate in the form of bicarbonate ions. to the diffusion tube, and the irrigant PH
The hydrogen ions dissociated from the acid added to the diffusion tube for correction of the above-mentioned and the transferred bicarbonate ions are reacted in the presence of carbonic anhydrase, and the bicarbonate ions are converted into carbon dioxide, and the perfusion is performed. An extracorporeal circulation type in which the carbon dioxide is diffused as carbon dioxide gas by bringing the liquid into gas-liquid contact with an inert gas, and the perfusate from which the carbon dioxide gas has been removed is circulated between the diffusion cylinder and the dialyzer. In the lung auxiliary device, means for supplying a potassium ion correction solution to the diffusion tube, means for detecting the potassium ion concentration in the perfusion fluid, and comparing the detected potassium ion concentration with a preset normal value. and means for automatically adding the potassium ion correction solution to the diffusion tube when the detected potassium ion concentration falls below the normal value. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6700989U JPH0628131Y2 (en) | 1989-06-07 | 1989-06-07 | Extracorporeal circulation type lung assist device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6700989U JPH0628131Y2 (en) | 1989-06-07 | 1989-06-07 | Extracorporeal circulation type lung assist device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH035440U true JPH035440U (en) | 1991-01-21 |
| JPH0628131Y2 JPH0628131Y2 (en) | 1994-08-03 |
Family
ID=31600207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6700989U Expired - Lifetime JPH0628131Y2 (en) | 1989-06-07 | 1989-06-07 | Extracorporeal circulation type lung assist device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0628131Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011235126A (en) * | 2005-05-17 | 2011-11-24 | Fresenius Medical Care Holdings Inc | Hemodialysis method and apparatus |
| US9180069B2 (en) | 2005-01-28 | 2015-11-10 | Fresenius Medical Care Holdings, Inc. | Systems and methods for delivery of peritoneal dialysis (PD) solutions |
| US9585810B2 (en) | 2010-10-14 | 2017-03-07 | Fresenius Medical Care Holdings, Inc. | Systems and methods for delivery of peritoneal dialysis (PD) solutions with integrated inter-chamber diffuser |
-
1989
- 1989-06-07 JP JP6700989U patent/JPH0628131Y2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9180069B2 (en) | 2005-01-28 | 2015-11-10 | Fresenius Medical Care Holdings, Inc. | Systems and methods for delivery of peritoneal dialysis (PD) solutions |
| JP2011235126A (en) * | 2005-05-17 | 2011-11-24 | Fresenius Medical Care Holdings Inc | Hemodialysis method and apparatus |
| US9585810B2 (en) | 2010-10-14 | 2017-03-07 | Fresenius Medical Care Holdings, Inc. | Systems and methods for delivery of peritoneal dialysis (PD) solutions with integrated inter-chamber diffuser |
| US10842714B2 (en) | 2010-10-14 | 2020-11-24 | Fresenius Medical Care Holdings, Inc. | Systems and methods for delivery of peritoneal dialysis (PD) solutions with integrated inter chamber diffuser |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0628131Y2 (en) | 1994-08-03 |
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