JPH0663127A - Blood circuit for external circulation of blood - Google Patents
Blood circuit for external circulation of bloodInfo
- Publication number
- JPH0663127A JPH0663127A JP4211831A JP21183192A JPH0663127A JP H0663127 A JPH0663127 A JP H0663127A JP 4211831 A JP4211831 A JP 4211831A JP 21183192 A JP21183192 A JP 21183192A JP H0663127 A JPH0663127 A JP H0663127A
- Authority
- JP
- Japan
- Prior art keywords
- blood
- circuit
- deaerator
- extracorporeal circulation
- piping
- 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
- 239000008280 blood Substances 0.000 title claims abstract description 94
- 210000004369 blood Anatomy 0.000 title claims abstract description 94
- 230000004087 circulation Effects 0.000 title claims description 38
- 210000004072 lung Anatomy 0.000 claims abstract description 21
- 230000036770 blood supply Effects 0.000 claims description 6
- 230000000740 bleeding effect Effects 0.000 abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 230000036772 blood pressure Effects 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 230000037452 priming Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 206010018910 Haemolysis Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000008588 hemolysis Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001706 oxygenating effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 108010063955 thrombin receptor peptide (42-47) Proteins 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、血液の酸素加、炭酸ガ
ス除去を行う体外循環用血液回路に係り、特に外部から
の気泡の混入を除去することのできる体外循環用血液回
路に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extracorporeal blood circuit for oxygenating blood and removing carbon dioxide, and more particularly to a blood circuit for extracorporeal circulation capable of removing air bubbles from the outside. is there.
【０００２】[0002]
【従来の技術】近年、人工心肺に用いられる血液ポンプ
として、安全性等の面で従来のローラーポンプよりも優
れている遠心ポンプを採用する試みがなされており、具
体的な例としては、図２に示すような体外循環用血液回
路が提案されている。この体外循環用血液回路（以下、
単に血液回路という）１は、患者の大静脈に接続されて
いる脱血口２に連結される第１の配管３にリザーバ（貯
血槽）４が接続され、このリザーバ４に第２の配管５を
介して遠心ポンプ（送血ポンプ）６が接続され、該遠心
ポンプ６に第３の配管７を介して熱交換器８及び人工肺
９が直列に接続され、該人工肺９は第４の配管１０を介
して送血口１１に接続され、第１の配管３、第２の配管
５、第３の配管７、第４の配管１０により主配管が構成
されている。また、前記リザーバ４はローラポンプ２８
を介在させた第５の配管２９（血液吸引装置）を介して
術野の出血場所から血液を吸引する血液吸引口３０に接
続されている。そして、前記人工肺９により静脈血の酸
素加、炭酸ガス除去を行なっている。2. Description of the Related Art Recently, attempts have been made to adopt a centrifugal pump, which is superior to conventional roller pumps in terms of safety, as a blood pump used for heart-lung machines. A blood circuit for extracorporeal circulation as shown in 2 has been proposed. This extracorporeal blood circuit (hereinafter,
In a blood circuit 1), a reservoir (blood reservoir) 4 is connected to a first pipe 3 connected to a blood removal port 2 connected to a patient's vena cava, and a second pipe 5 is connected to this reservoir 4. A centrifugal pump (blood-sending pump) 6 is connected to the centrifugal pump 6 via a third pipe 7, and a heat exchanger 8 and an artificial lung 9 are connected in series to the artificial pump 9. It is connected to the blood supply port 11 via the pipe 10, and the first pipe 3, the second pipe 5, the third pipe 7, and the fourth pipe 10 constitute a main pipe. The reservoir 4 is a roller pump 28.
Is connected to a blood suction port 30 for sucking blood from the bleeding site in the operative field via a fifth pipe 29 (blood suction device) with the intervening line. Then, venous blood is oxygenated and carbon dioxide is removed by the artificial lung 9.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記の
血液回路１においては、万が一該血液回路１中の遠心ポ
ンプ６に気泡が混入した場合、この遠心ポンプ６を停止
しなければ気泡を抜くことができず、また、気泡が入っ
たまま運転すると溶血等の問題が発生する虞があり、患
者にとって極めて危険である。また、この血液回路１は
閉鎖回路ではないので、停止した場合に脱血口２から脱
血してしまうことに加えて患者の血圧により送血口１１
から該血液回路１内に逆流するという問題点もあった。
さらに、体外循環の開始時及び終了時のリザーバ４の貯
血量のコントロールが難しく該リザーバ４内の血液の液
面が上昇しあふれてしまう虞があり、また、例えば終了
時においては、第１の配管３及び第４の配管１０を止め
ると同時に遠心ポンプ６を停止させなければならず、一
人で操作することは極めて困難であった。However, in the blood circuit 1 described above, if air bubbles are mixed in the centrifugal pump 6 in the blood circuit 1, it is possible to remove the air bubbles unless the centrifugal pump 6 is stopped. This is not possible, and there is a possibility that problems such as hemolysis may occur if the vehicle is operated with air bubbles present, which is extremely dangerous for the patient. Further, since the blood circuit 1 is not a closed circuit, blood is removed from the blood removal port 2 when stopped, and in addition to the blood supply port 11 due to the blood pressure of the patient.
Therefore, there is a problem that the blood flows back into the blood circuit 1.
Further, it is difficult to control the amount of blood stored in the reservoir 4 at the start and end of the extracorporeal circulation, and the liquid level of the blood in the reservoir 4 may rise and overflow, and, for example, at the end, the first The centrifugal pump 6 had to be stopped at the same time when the piping 3 and the fourth piping 10 were stopped, and it was extremely difficult to operate by one person.
【０００４】本発明は、上記の事情に鑑みてなされたも
のであって、静脈血の酸素加、炭酸ガス除去を行う際
に、停止した場合であっても患者の血圧による逆流を簡
単に防止でき、貯血量のコントロールも容易であり、遠
心ポンプへの気泡の混入を良好に防止することのできる
体外循環用血液回路を提供することにある。The present invention has been made in view of the above circumstances, and easily prevents the reflux due to the blood pressure of the patient even when the venous blood is oxygenated or carbon dioxide is removed, even if it is stopped. An object of the present invention is to provide a blood circuit for extracorporeal circulation, which is capable of easily controlling the amount of stored blood and which can favorably prevent bubbles from entering the centrifugal pump.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に、本発明は次の様な体外循環用血液回路を採用した。
すなわち、請求項１記載の体外循環用血液回路は、脱血
口から順次、脱気装置、遠心ポンプ、熱交換器、人工肺
を介在させて、前記脱血口及び送血口に接続された主配
管と、前記脱血口と脱気装置との間の主配管から分岐さ
れ、該分岐部から順次、ローラーポンプ、貯血槽を具備
し、前記主配管と分岐管とにより閉鎖回路が構成されて
なることを特徴としている。In order to solve the above problems, the present invention adopts the following blood circuit for extracorporeal circulation.
That is, the blood circuit for extracorporeal circulation according to claim 1 is connected to the blood removal port and the blood supply port sequentially from the blood removal port through a degassing device, a centrifugal pump, a heat exchanger, and an artificial lung. A main pipe and a main pipe between the blood removal port and the deaerator are branched from the main pipe, and a roller pump and a blood reservoir are sequentially provided from the branch portion, and the main pipe and the branch pipe form a closed circuit. It is characterized by
【０００６】また、請求項２記載の体外循環用血液回路
は、請求項１記載の体外循環用血液回路において、前記
脱気装置、遠心ポンプ、熱交換器、人工肺を一体化して
なることを特徴としている。According to a second aspect of the blood circuit for extracorporeal circulation, in the blood circuit for extracorporeal circulation according to the first aspect, the deaerator, the centrifugal pump, the heat exchanger, and the artificial lung are integrated. It has a feature.
【０００７】また、請求項３記載の体外循環用血液回路
は、請求項１または２記載の体外循環用血液回路におい
て、前記脱気装置の入口と人工肺の出口とは、同じ側に
設けられてなることを特徴としている。In the blood circuit for extracorporeal circulation according to claim 3, in the blood circuit for extracorporeal circulation according to claim 1 or 2, the inlet of the deaerator and the outlet of the artificial lung are provided on the same side. It is characterized by
【０００８】[0008]
【作用】本発明の請求項１記載の体外循環用血液回路で
は、遠心ポンプの流入側に脱気装置を設けることによ
り、該血液回路が閉鎖回路であるにもかかわらずプライ
ミング時の空気抜きが容易となり、体外循環中において
も該遠心ポンプに気泡が入るのを防止できる。また、体
外循環の開始時または終了時には、遠心ポンプ運転を開
始または停止すると同時に主配管のどこか１箇所を開放
または閉鎖することにより、該血液回路の動作を容易に
制御することが可能となる。したがって、患者の血圧に
より送血口から該血液回路内に逆流するということもな
くせる。In the blood circuit for extracorporeal circulation according to claim 1 of the present invention, by providing a deaerator on the inflow side of the centrifugal pump, it is easy to remove air during priming even though the blood circuit is a closed circuit. Therefore, it is possible to prevent bubbles from entering the centrifugal pump even during the extracorporeal circulation. Further, at the start or end of the extracorporeal circulation, the operation of the blood circuit can be easily controlled by starting or stopping the operation of the centrifugal pump and simultaneously opening or closing one part of the main pipe. . Therefore, it is possible to prevent the backflow from the blood supply port into the blood circuit due to the blood pressure of the patient.
【０００９】また、請求項２記載の体外循環用血液回路
では、前記脱気装置、遠心ポンプ、熱交換器、人工肺を
一体化することにより、小型化が可能となり、血液充填
量を削減することが可能となり、配管の接続箇所を削減
することで該回路の信頼性を向上させることが可能とな
る。また、脱気装置と遠心ポンプを一体化することによ
り遠心ポンプで生じる旋回流により脱気装置の脱気能力
を高めることが可能となる。In the blood circuit for extracorporeal circulation according to the second aspect, the deaerator, the centrifugal pump, the heat exchanger and the artificial lung are integrated so that the size can be reduced and the blood filling amount can be reduced. This makes it possible to improve the reliability of the circuit by reducing the number of pipe connection points. Further, by integrating the deaerator and the centrifugal pump, it becomes possible to enhance the deaerating ability of the deaerator due to the swirling flow generated by the centrifugal pump.
【００１０】また、請求項３記載の体外循環用血液回路
では、前記脱気装置の入口と人工肺の出口とを同じ側に
設けることにより、回路構成をより小型にすることが可
能となる。Further, in the blood circuit for extracorporeal circulation according to the third aspect, by providing the inlet of the deaerator and the outlet of the artificial lung on the same side, the circuit structure can be made smaller.
【００１１】[0011]
【実施例】図１は、本発明の一実施例である体外循環用
血液回路２１の概略構成図である。この体外循環用血液
回路２１は、患者の脱血口２に連結される第１の配管３
にバブルトラップ（脱気装置）２２が接続され、該バブ
ルトラップ２２に遠心ポンプ６、熱交換器８、人工肺９
が順次直列に接続されて一体化され、該人工肺９は第４
の配管１０を介して送血口１１に接続され、前記第１の
配管３と第４の配管１０との間にはリサーキュレーショ
ン回路２３が接続されている。そして、バブルトラップ
２２の入口と人工肺９の出口とは、同じ側（図中左側）
に設けられている。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic configuration diagram of a blood circuit 21 for extracorporeal circulation which is an embodiment of the present invention. The extracorporeal circulation blood circuit 21 includes a first pipe 3 connected to a blood removal port 2 of a patient.
A bubble trap (deaerator) 22 is connected to the bubble trap 22, and the centrifugal trap 6, the heat exchanger 8, the artificial lung 9 are connected to the bubble trap 22.
Are sequentially connected in series and integrated, and the artificial lung 9 has a fourth
A recirculation circuit 23 is connected between the first pipe 3 and the fourth pipe 10 via the pipe 10. The inlet of the bubble trap 22 and the outlet of the artificial lung 9 are on the same side (left side in the figure)
It is provided in.
【００１２】前記第１の配管３から分岐される分岐部２
４には分岐管２５が接続され、該分岐管２５には前記分
岐部２４から順次、ローラーポンプ２６、リザーバ４が
接続されている。前記バブルトラップ２２には分岐管３
１が接続され、該分岐管３１は前記バブルトラップ２２
からローラポンプ２７が連結されリザーバ４へと接続さ
れている。また、前記リザーバ４はローラポンプ２８を
介在させた第５の配管２９を介して術野の出血場所から
血液を吸引する血液吸引口３０に接続されている。A branch portion 2 branched from the first pipe 3
A branch pipe 25 is connected to the branch pipe 4, and a roller pump 26 and a reservoir 4 are sequentially connected to the branch pipe 25 from the branch portion 24. A branch pipe 3 is provided in the bubble trap 22.
1 is connected, and the branch pipe 31 is connected to the bubble trap 22.
The roller pump 27 is connected to the reservoir 4. Further, the reservoir 4 is connected to a blood suction port 30 for sucking blood from a bleeding site in the surgical field through a fifth pipe 29 with a roller pump 28 interposed.
【００１３】患者の状態によりリザーバ４の貯血量を調
節する必要があるが、この体外循環用血液回路２１にお
いてはローラーポンプ２６を正回転あるいは逆回転する
ことによりリザーバ４の貯血量を容易に調節できる。ま
た、ローラポンプ２８で吸引した吸引血液を患者に送血
することもローラーポンプ２６により容易にできる。ロ
ーラーポンプ２７を運転することにより分岐管３１を通
じてバブルトラップ２２に溜った気泡をリザーバ４に送
りバブルトラップ２２に溜った気泡をなくすことが容易
にできる。これらによりプライミング時、体外循環時い
ずれでも気泡抜きが容易であり、体外循環時のリザーバ
４の貯血量の調節も容易となる。主配管はローラーポン
プ２６及びローラーポンプ２７により、閉鎖回路になっ
ているので遠心ポンプ６停止時の患者の血圧による逆流
は主配管のどこか１ケ所例えば第４配管１０を鉗子等で
閉鎖すれば容易に防止できる。It is necessary to adjust the amount of blood stored in the reservoir 4 according to the condition of the patient. In the blood circuit 21 for extracorporeal circulation, the amount of blood stored in the reservoir 4 can be easily adjusted by rotating the roller pump 26 forward or backward. it can. Further, the suction pump blood sucked by the roller pump 28 can be easily sent to the patient by the roller pump 26. By operating the roller pump 27, the bubbles accumulated in the bubble trap 22 can be easily sent to the reservoir 4 through the branch pipe 31 to eliminate the bubbles accumulated in the bubble trap 22. As a result, air bubbles can be easily removed during priming and extracorporeal circulation, and the amount of blood stored in the reservoir 4 during extracorporeal circulation can be easily adjusted. Since the main pipe has a closed circuit formed by the roller pump 26 and the roller pump 27, the backflow caused by the blood pressure of the patient when the centrifugal pump 6 is stopped can be obtained by closing one place of the main pipe, for example, the fourth pipe 10 with forceps. It can be easily prevented.
【００１４】以上説明したように、本実施例の体外循環
用血液回路２１によれば、遠心ポンプ６の流入側にバブ
ルトラップ２２を設けたので、該血液回路の主配管が閉
鎖回路であるにもかかわらずプライミング時の空気抜き
が容易にでき、体外循環中においても該遠心ポンプ６に
気泡が入るのを防止することができる。As described above, according to the blood circuit 21 for extracorporeal circulation of this embodiment, since the bubble trap 22 is provided on the inflow side of the centrifugal pump 6, the main pipe of the blood circuit is a closed circuit. Nevertheless, air can be easily removed during priming, and bubbles can be prevented from entering the centrifugal pump 6 even during extracorporeal circulation.
【００１５】また、バブルトラップ２２、遠心ポンプ
６、熱交換器８、人工肺９を一体化することとしたの
で、小型化することができ、血液充填量を削減すること
ができ、配管の接続箇所を削減することで該血液回路２
１の信頼性を向上させることができる。また、脱気装置
と遠心ポンプを一体化することにより遠心ポンプで生じ
る旋回流により脱気装置の脱気能力を高めることが可能
となる。Further, since the bubble trap 22, the centrifugal pump 6, the heat exchanger 8 and the artificial lung 9 are integrated, the size can be reduced, the blood filling amount can be reduced, and the pipes can be connected. By reducing the number of points, the blood circuit 2
The reliability of No. 1 can be improved. Further, by integrating the deaerator and the centrifugal pump, it becomes possible to enhance the deaerating ability of the deaerator due to the swirling flow generated by the centrifugal pump.
【００１６】また、バブルトラップ２２の入口と人工肺
９の出口とを同じ側に設けたので、回路構成をより小型
にすることができる。Further, since the inlet of the bubble trap 22 and the outlet of the artificial lung 9 are provided on the same side, the circuit structure can be made smaller.
【００１７】[0017]
【発明の効果】以上説明した様に、本発明の請求項１記
載の体外循環用血液回路によれば、主配管から分岐され
る分岐部に分岐管が接続され、該分岐管には前記分岐部
から順次、ローラーポンプ、貯血槽が接続されることと
したので、ローラーポンプを正回転あるいは逆回転する
ことにより貯血槽の貯血量を容易に調節できる。また、
吸引した吸引血液を患者に送血することも前記ローラー
ポンプにより容易にできる。これらによりプライミング
時、体外循環時いずれでも気泡抜きが容易であり、体外
循環時の貯血槽の貯血量の調節も容易となる。また、主
配管は閉鎖回路になっているので遠心ポンプ停止時の患
者の血圧による逆流は主配管のどこか１ケ所を鉗子等で
閉鎖すれば容易に防止できる。As described above, according to the blood circuit for extracorporeal circulation according to claim 1 of the present invention, a branch pipe is connected to a branch portion branched from the main pipe, and the branch pipe is connected to the branch pipe. Since the roller pump and the blood storage tank are sequentially connected from the section, the blood storage amount in the blood storage tank can be easily adjusted by rotating the roller pump forward or backward. Also,
The suction pumped blood can be easily sent to the patient by the roller pump. As a result, bubbles can be easily removed during priming and extracorporeal circulation, and the amount of blood stored in the blood reservoir during extracorporeal circulation can be easily adjusted. Further, since the main pipe is a closed circuit, the backflow due to the blood pressure of the patient when the centrifugal pump is stopped can be easily prevented by closing one part of the main pipe with forceps or the like.
【００１８】また、請求項２記載の体外循環用血液回路
によれば、請求項１記載の体外循環用血液回路におい
て、前記脱気装置、遠心ポンプ、熱交換器、人工肺を一
体化してなることとしたので、小型化することができ、
血液充填量を削減することができ、配管の接続箇所を削
減することで該血液回路の信頼性を向上させることがで
きる。また、脱気装置と遠心ポンプを一体化することに
より遠心ポンプで生じる旋回流により脱気装置の脱気能
力を高めることが可能となる。Further, according to the blood circuit for extracorporeal circulation of claim 2, in the blood circuit for extracorporeal circulation of claim 1, the deaerator, the centrifugal pump, the heat exchanger, and the artificial lung are integrated. Since it was decided that it can be downsized,
The blood filling amount can be reduced, and the reliability of the blood circuit can be improved by reducing the connection points of the pipes. Further, by integrating the deaerator and the centrifugal pump, it becomes possible to enhance the deaerating ability of the deaerator due to the swirling flow generated by the centrifugal pump.
【００１９】また、請求項３記載の体外循環用血液回路
によれば、請求項１または２記載の体外循環用血液回路
において、前記脱気装置の入口と人工肺の出口とは、同
じ側に設けられてなることとしたので、回路構成をより
小型にすることができる。したがって、ＰＣＰＳ（経皮
的心肺補助システム）にも応用することが可能である。Further, according to the blood circuit for extracorporeal circulation of claim 3, in the blood circuit for extracorporeal circulation according to claim 1 or 2, the inlet of the deaerator and the outlet of the artificial lung are on the same side. Since it is provided, the circuit configuration can be made smaller. Therefore, it can also be applied to PCPS (percutaneous cardiopulmonary support system).
【００２０】以上により、静脈血の酸素加、炭酸ガス除
去を行う際に、停止した場合であっても患者の血圧によ
る逆流を簡単に防止でき、貯血量のコントロールも容易
であり、遠心ポンプへの気泡の混入を良好に除去するこ
とのできる体外循環用血液回路を提供することができ
る。As described above, when oxygen is added to venous blood and carbon dioxide is removed, it is possible to easily prevent backflow due to the blood pressure of the patient even when stopped, and it is easy to control the blood storage volume. It is possible to provide a blood circuit for extracorporeal circulation which can satisfactorily remove the inclusion of air bubbles.
【図１】本発明の一実施例の体外循環用血液回路を示す
概略構成図である。FIG. 1 is a schematic configuration diagram showing a blood circuit for extracorporeal circulation according to an embodiment of the present invention.
【図２】従来の体外循環用血液回路を示す概略構成図で
ある。FIG. 2 is a schematic configuration diagram showing a conventional blood circuit for extracorporeal circulation.
２１ 体外循環用血液回路 ２ 脱血口 ３ 第１の配管 ４ リザーバ（貯血槽） ６ 遠心ポンプ ８ 熱交換器 ９ 人工肺 １０ 第４の配管 １１ 送血口 ２２ バブルトラップ（脱気装置） ２３ リサーキュレーション回路 ２４ 分岐部 ２５ 分岐管 ２６，２７，２８ ローラーポンプ ２９ 第５の配管２９（血液吸引装置） ３０ 血液吸引口 21 Blood circuit for extracorporeal circulation 2 Blood removal port 3 First pipe 4 Reservoir (blood reservoir) 6 Centrifugal pump 8 Heat exchanger 9 Artificial lung 10 Fourth pipe 11 Blood supply port 22 Bubble trap (deaerator) 23 Li Circulation circuit 24 Branch portion 25 Branch pipe 26, 27, 28 Roller pump 29 Fifth pipe 29 (blood suction device) 30 Blood suction port
Claims (3)
プ、熱交換器、人工肺を介在させて、前記脱血口及び送
血口に接続された主配管と、 前記脱血口と脱気装置との間の主配管から分岐され、該
分岐部から順次、ローラーポンプ、貯血槽を介在させて
前記脱気装置に接続された分岐管とを具備し、 前記主配管と分岐管とにより閉鎖回路が構成されてなる
ことを特徴とする体外循環用血液回路。1. A main pipe connected to the blood removal port and the blood supply port through a blood removal port, a centrifugal pump, a heat exchanger, and an artificial lung in order from the blood removal port, and the blood removal port. A main pipe between the deaerator and a branch pipe, which is sequentially connected to the deaerator with a roller pump and a blood reservoir interposed between the main pipe and the branch pipe. A blood circuit for extracorporeal circulation, characterized in that a closed circuit is constituted by.
いて、 前記脱気装置、遠心ポンプ、熱交換器、人工肺を一体化
してなることを特徴とする体外循環用血液回路。2. The blood circuit for extracorporeal circulation according to claim 1, wherein the deaerator, centrifugal pump, heat exchanger, and artificial lung are integrated.
回路において、 前記脱気装置の入口と人工肺の出口とは、同じ側に設け
られてなることを特徴とする体外循環用血液回路。3. The blood circuit for extracorporeal circulation according to claim 1 or 2, wherein the inlet of the deaerator and the outlet of the artificial lung are provided on the same side. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21183192A JP3220244B2 (en) | 1992-08-07 | 1992-08-07 | Blood circuit for extracorporeal circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21183192A JP3220244B2 (en) | 1992-08-07 | 1992-08-07 | Blood circuit for extracorporeal circulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0663127A true JPH0663127A (en) | 1994-03-08 |
| JP3220244B2 JP3220244B2 (en) | 2001-10-22 |
Family
ID=16612319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21183192A Expired - Fee Related JP3220244B2 (en) | 1992-08-07 | 1992-08-07 | Blood circuit for extracorporeal circulation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3220244B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7160259B2 (en) * | 2000-04-12 | 2007-01-09 | Technomed Medical Systems | Fluid manipulating system for therapy apparatus |
| JP2008188120A (en) * | 2007-02-01 | 2008-08-21 | Jms Co Ltd | Extracorporeal circulation device |
| JP2008220417A (en) * | 2007-03-08 | 2008-09-25 | Jms Co Ltd | Extracorporeal circulation device |
-
1992
- 1992-08-07 JP JP21183192A patent/JP3220244B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7160259B2 (en) * | 2000-04-12 | 2007-01-09 | Technomed Medical Systems | Fluid manipulating system for therapy apparatus |
| JP2008188120A (en) * | 2007-02-01 | 2008-08-21 | Jms Co Ltd | Extracorporeal circulation device |
| JP2008220417A (en) * | 2007-03-08 | 2008-09-25 | Jms Co Ltd | Extracorporeal circulation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3220244B2 (en) | 2001-10-22 |
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