JP2003180824A - Artificial lung - Google Patents
Artificial lungInfo
- Publication number
- JP2003180824A JP2003180824A JP2001380455A JP2001380455A JP2003180824A JP 2003180824 A JP2003180824 A JP 2003180824A JP 2001380455 A JP2001380455 A JP 2001380455A JP 2001380455 A JP2001380455 A JP 2001380455A JP 2003180824 A JP2003180824 A JP 2003180824A
- Authority
- JP
- Japan
- Prior art keywords
- artificial lung
- blood
- module
- locking
- port
- 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
Landscapes
- External Artificial Organs (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、人工肺に関するも
のである。詳しく述べると、人工肺モジュールを回動可
能とすることで、プライミング時、体外循環時および血
液回収時にそれぞれポート位置が最適となる人工肺に関
するものである。TECHNICAL FIELD The present invention relates to an artificial lung. More specifically, the present invention relates to an artificial lung in which the port position is optimized during priming, extracorporeal circulation, and blood collection by making the artificial lung module rotatable.
【０００２】[0002]
【従来の技術】人工肺モジュールの各ポートの配置は、
体外循環時の気泡流出防止の観点から、血液を上部から
下部へ流すことにより気泡を送らないという方法が望ま
しく、このため、血液流入ポートは任意の位置でよいと
はいえ、血液流出ポートは下部に配置しておく必要があ
る。その結果、下部から上部への流しの方がスムーズに
行なえるプライミング操作が犠牲となっている。2. Description of the Related Art The arrangement of each port of an oxygenator is
From the viewpoint of preventing air bubbles from flowing out of the extracorporeal circulation, it is desirable to prevent air bubbles from flowing by flowing blood from the upper part to the lower part. Therefore, although the blood inflow port may be located at any position, Need to be placed in. As a result, the sacrifice of the priming operation, which allows smoother flow from bottom to top.
【０００３】一方、血液流入ポートおよび血液流出ポー
トがモジュールの最下部より上部に配置された人工肺で
は、モジュール最下部とポートとの間に血液が残り、体
外循環後の残血回収の際には、人工肺をホルダーから取
り外して、いずれかのポートが最下部にくるように人工
肺を傾けて、回収する必要がある。On the other hand, in the artificial lung in which the blood inflow port and the blood outflow port are arranged above the lowermost part of the module, blood remains between the lowermost part of the module and the port, and when collecting residual blood after extracorporeal circulation. Needs to remove the oxygenator from the holder, tilt the oxygenator so that one of the ports is at the bottom, and collect it.
【０００４】人工肺を用いた体外循環において、体外循
環後の人工肺内に残留した血液は、人工肺血液流入ポー
ト、人工肺血液流出ポート、カーディオプレギアポート
もしくはその他の専用ポートなどから回収される。人工
肺内の残血をより多く回収するためには、これらのポー
トは、人工肺の最下部に設置されていることが望まし
い。In the extracorporeal circulation using the artificial lung, the blood remaining in the artificial lung after the extracorporeal circulation is collected from the artificial lung blood inflow port, the artificial lung blood outflow port, the cardiopregear port or other dedicated port. It In order to collect more residual blood in the oxygenator, these ports are preferably installed at the bottom of the oxygenator.
【０００５】しかしながら、これらのポートが人工肺の
最下部にあることで、体外循環回路の取りまわしが最適
ではなくなり、その結果、人工肺および回路全体を含め
た血液充填量が増す結果となることがある。However, since these ports are located at the bottom of the artificial lung, the extracorporeal circulation circuit is not optimally routed, and as a result, the blood filling amount including the artificial lung and the entire circuit is increased. is there.
【０００６】特に、人工肺血液流出ポートを最下部に設
置すると、人工肺外から患者への送血回路が床に触れて
不潔となる可能性があり、それを避けるために人工肺を
床から十分高い位置に設置すると、必然的に静脈リザー
バーと患者との落差をできるだけ大きくとりたい場合に
は、その制約となってしまう。Particularly, when the artificial lung blood outflow port is installed at the lowermost part, the blood supply circuit from outside the artificial lung to the patient may touch the floor and become unclean. To avoid this, the artificial lung is removed from the floor. If it is installed at a sufficiently high position, it will be a constraint when it is inevitable to make the head between the venous reservoir and the patient as large as possible.
【０００７】また、体外循環時の血液回路を最適な取り
回しにするためには、残血回収用の専用ポートを人工肺
の最下部に設け、そのポートの先に枝チューブを接続し
ておく必要があるが、これは体外循環中には全く必要と
しないこれらのために、充填量が増えてしまうことにな
る。Further, in order to optimally manage the blood circuit during extracorporeal circulation, it is necessary to provide a dedicated port for collecting residual blood at the bottom of the artificial lung, and connect a branch tube to the end of the port. However, this would increase the fill volume due to those that are not needed at all during extracorporeal circulation.
【０００８】[0008]
【発明が解決しようとする課題】したがって、本発明の
目的は、新規な人工肺を提供することにある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a new artificial lung.
【０００９】本発明の他の目的は、人工肺モジュールを
回動可能とすることにより、プライミング時、体外循環
時および血液回収時にそれぞれ位置が最適となる人工肺
を提供することにある。Another object of the present invention is to provide an artificial lung in which the positions thereof are optimized at the time of priming, extracorporeal circulation and blood collection by making the artificial lung module rotatable.
【００１０】[0010]
【課題を解決するための手段】上記諸目的は、下記
（１）〜（４）により達成される。The above-mentioned objects are achieved by the following items (1) to (4).
【００１１】（１）２個の支持アームの下部に、略円筒
状の人工肺モジュール部の中心軸において両端面部で回
動自在に枢着してなり、該人工肺モジュール部に設けら
れている血液流出ポートを所望の位置に配置するための
係止手段を設けてなる人工肺。(1) The lower ends of the two support arms are rotatably attached to both ends of the substantially cylindrical artificial lung module at the central axis, and are provided in the artificial lung module. An oxygenator provided with locking means for arranging the blood outflow port at a desired position.
【００１２】（２）該係止手段は、該人工肺モジュール
部の少なくとも一方の端面に設けられた係止部材と、前
記支持アームに回動自在に枢着されたクリック部材とか
らなる前記（１）に記載の人工肺。(2) The locking means comprises a locking member provided on at least one end surface of the oxygenator module and a click member rotatably pivotally attached to the support arm. The artificial lung according to 1).
【００１３】（３）該係止部材は、該人工肺モジュール
部の回動により該人工肺モジュール部に設けられている
血液流出ポートの位置が少なくとも上部、中間部および
下部に位置するように、該クリック部材を係止する前記
（２）に記載の人工肺。(3) The locking member is such that the position of the blood outflow port provided in the artificial lung module part is located at least in the upper part, the intermediate part and the lower part by the rotation of the artificial lung module part. The artificial lung according to (2), which locks the click member.
【００１４】（４）該クリック部材は、該枢着部より突
出して形成された第１の把持部材と、支持アームの枢着
部より突出して形成された第２の把持部材との間に付勢
手段により外方へ付勢されてなる前記（２）または
（３）に記載の人工肺。(4) The click member is provided between the first gripping member formed so as to project from the pivotal attachment portion and the second gripping member formed so as to project from the pivotal attachment portion of the support arm. The artificial lung according to (2) or (3) above, which is biased outward by a biasing means.
【００１５】[0015]
【発明の実施の形態および実施例】つぎに、図面を参照
しながら、本発明による人工肺およびそのホルダーにつ
いて説明する。BEST MODE FOR CARRYING OUT THE INVENTION Next, an artificial lung and a holder thereof according to the present invention will be described with reference to the drawings.
【００１６】図１は、本発明による人工肺の概略斜視図
であり、また図２〜４は、本発明による人工肺の使用時
の各段階を示す。FIG. 1 is a schematic perspective view of an artificial lung according to the present invention, and FIGS. 2 to 4 show each stage of use of the artificial lung according to the present invention.
【００１７】これらの図面に示すように、２個の支持ア
ーム１，２の下部に、略円筒状の人工肺モジュール部３
がその中心軸４において、その両端面部で枢着されてい
る。例えば、該人工肺モジュール部３の両端面におい
て、その中心軸より突出している固定軸（図示せず）
を、前記支持アーム１，２の下部、例えば支持アーム
１，２の下端部に設けられた穴（図示せず）に回動自在
に挿入することにより該支持アーム１，２に人工肺モジ
ュール部３を保持させる。As shown in these drawings, a substantially cylindrical artificial lung module portion 3 is provided under the two support arms 1 and 2.
Is pivotally attached to the central axis 4 at both end faces thereof. For example, fixed shafts (not shown) projecting from the central axis of both end surfaces of the artificial lung module 3
Is rotatably inserted into a lower portion of the support arms 1 and 2, for example, a hole (not shown) provided at a lower end portion of the support arms 1 and 2, so that the artificial lung module portion is attached to the support arms 1 and 2. Hold 3
【００１８】一方、前記支持アーム１，２の中間には、
クリック部材５が、回動自在に枢着されてレバーを形成
している。該クリック部材５の一端には爪部５ａが設け
られ、かつ前記人工肺モジュール部３の一端に設けられ
ている係止部材７ａに係止される。このクリック部材５
は、その枢着部６を中心に回動できるものであるが、そ
の先端部に設けられている爪部５ａが前記係止部材７ａ
に係止する。なお、支持アーム１，２の中間部に突出し
て設けられた第２の把持部材８と該クリック部材５の枢
着部より突出して設けられた第２の把持部材９との間に
は、ばね等の付勢手段１０により外部へ付勢されてお
り、第１の把持部材９と第２の把持部材８とを相互に押
圧すればクリック部材５は係止部材７ａより係止を解除
される。On the other hand, in the middle of the support arms 1 and 2,
The click member 5 is rotatably pivotally attached to form a lever. A claw portion 5a is provided at one end of the click member 5 and is engaged with an engagement member 7a provided at one end of the artificial lung module unit 3. This click member 5
Is rotatable about its pivotal portion 6, but the claw portion 5a provided at the tip thereof has the locking member 7a.
Lock on. A spring is provided between the second gripping member 8 projecting from the intermediate portion of the support arms 1 and 2 and the second gripping member 9 projecting from the pivotal attachment of the click member 5. The click member 5 is unlocked by the locking member 7a by pressing the first gripping member 9 and the second gripping member 8 against each other. .
【００１９】なお、人工肺モジュール部３には、血液流
出ポート１１、血液流入ポート１２、パージライン１
６、ガス流入ポート（図示せず）、ガス流出ポート（図
示せず）等が設けられている。The artificial lung module 3 has a blood outflow port 11, a blood inflow port 12, and a purge line 1.
6, a gas inflow port (not shown), a gas outflow port (not shown), etc. are provided.
【００２０】この人工肺モジュール部３は、筒状ハウジ
ング内に多数本の多孔性中空糸を挿入してポッティング
剤等による隔壁により固定して両隔壁間に血液室を形成
し、両隔壁外から空気等のガスを供給し、中空糸内を通
流させ、その間に中空糸を介してガスと接触させ、ガス
交換を行なうものである。また、熱交換器と一体となっ
たものでもよい。In this artificial lung module part 3, a large number of porous hollow fibers are inserted into a cylindrical housing and fixed by partition walls such as potting agents to form a blood chamber between both partition walls. A gas such as air is supplied to flow through the hollow fiber, and the gas is contacted with the gas through the hollow fiber to perform gas exchange. Further, it may be integrated with the heat exchanger.
【００２１】つぎに、本発明による人工肺の使用状態に
ついて説明する。Next, the use condition of the artificial lung according to the present invention will be described.
【００２２】まず、図２に示すように、血液流出ポート
１１が上部に位置するように、第１および第２の把持部
材９，８を相互に押圧してクリック部材５の先端の爪部
５ａを解除し、人工肺モジュール部３を回動させなが
ら、該血液流出ポートが所望の位置に達したら、係止部
材７ｂのところで係止させる。ついで、この位置でプラ
イミングを開始する。この場合、血液は下方より上方へ
流通するので、プライミングが容易となる。First, as shown in FIG. 2, the first and second gripping members 9 and 8 are pressed against each other so that the blood outflow port 11 is located at the upper portion, and the claw portion 5a at the tip of the click member 5 is pressed. When the blood outflow port reaches a desired position while the artificial lung module 3 is rotated, the artificial lung module 3 is locked at the locking member 7b. Then, priming is started at this position. In this case, blood circulates from the lower side to the upper side, so that priming becomes easy.
【００２３】プライミングが終了して血液の体外循環を
行なう場合には、図３に示すように、第１および第２の
把持部材９，８を相互に押圧してクリック部材５ａの爪
部５ａにおける係止を解除し、人工肺モジュール部３を
回動させて血液流出ポート１１を比較的下部にかつ血液
流入ポート１２が上部に位置するように配置して血液の
体外循環を行なう。これによって気泡の流出を防止で
き、最大限使いやすい位置となる。When the blood is extracorporeally circulated after the priming is completed, as shown in FIG. 3, the first and second gripping members 9 and 8 are pressed against each other so that the claw portion 5a of the click member 5a is pressed. The lock is released, and the oxygenator module 3 is rotated to arrange the blood outflow port 11 at a relatively lower portion and the blood inflow port 12 at an upper portion to perform extracorporeal blood circulation. This prevents bubbles from flowing out, and makes the position as easy to use as possible.
【００２４】つぎに、血液の体外循環が終了したら、図
４に示すように、第１および第２の把持部材９，８を相
互に押圧して係止部材５ａの爪部７ａにおける係止を解
除し、人工肺モジュール部３を回動させて血液流出ポー
ト１１を最下部に位置するように配置して血液の系外へ
の排出を行なって残血を含む血液を全量回収する。これ
によって血液の回収量が最大となる。Next, when the extracorporeal circulation of blood is completed, as shown in FIG. 4, the first and second gripping members 9 and 8 are pressed against each other to lock the locking member 5a at the claw portion 7a. After release, the artificial lung module 3 is rotated to arrange the blood outflow port 11 so as to be located at the lowermost portion, and the blood is discharged to the outside of the system to collect the whole blood including the residual blood. This maximizes blood recovery.
【００２５】なお、支持アーム１，２の上部には、血液
リザーバー１７との結合部１３が設けられている。A connecting portion 13 with the blood reservoir 17 is provided above the support arms 1 and 2.
【００２６】前記人工肺モジュール部３の支持部材１，
２に対する係止手段としては、前記クリック部材５と係
止部材７ａ，７ｂ，７ｃとの組合わせの他に、ラチェッ
ト方式、面ファスナー方式、差込ピン方式等がある。Support member 1 of the artificial lung module unit 3
As a locking means for 2, there is a ratchet system, a surface fastener system, an insertion pin system, etc. in addition to the combination of the click member 5 and the locking members 7a, 7b, 7c.
【００２７】例えば、ラチェット方式としては、図５に
示すように、図１〜４に示すのと同様な人工肺におい
て、人工肺モジュール部３の少なくとも一方の面に係止
用間隙１８ａ，１８ｂ，１８ｃを、前記のように回動位
置になるように設け、一方、支持アーム１，２の少なく
とも一方（係止用間隙１８ａ，１８ｂ，１８ｃが設けら
れた側）に、回動軸１９により係止部材２０を軸着し、
その先端部に設けられた係止爪２１を係止させる。For example, as a ratchet system, as shown in FIG. 5, in an artificial lung similar to that shown in FIGS. 1 to 4, at least one surface of the artificial lung module portion 3 has locking gaps 18a, 18b ,. 18c is provided so as to be in the rotation position as described above, and on the other hand, it is engaged with at least one of the support arms 1 and 2 (the side where the locking gaps 18a, 18b, 18c are provided) by the rotation shaft 19. The stop member 20 is axially attached,
The locking claw 21 provided at the tip portion is locked.
【００２８】この場合、係止部材２０を持ち上げ、かつ
人工肺モジュール部３を回動させることにより、つぎの
係止用間隙１８ｂの位置で係止させることにより血液流
出ポート１１の位置をより下方に向けることができる。
さらに、同様に回動させることにより血液流出ポート１
１を最下位に向けることができる。In this case, the locking member 20 is lifted and the artificial lung module 3 is rotated to lock at the position of the next locking gap 18b, thereby lowering the position of the blood outflow port 11. Can be turned to.
Further, the blood outflow port 1 can be rotated by rotating it in the same manner.
1 can be directed to the bottom.
【００２９】また、面ファスナー方式の場合は、適当な
位置に面ファスナーを係止することができる。さらに、
差込ピン方式の場合にも、支持部材１，２の少なくとも
一方にピン（図示せず）を挿入するとともに、人工肺モ
ジュール部３の適当な位置に挿入孔（図示せず）を設け
ることにより血液流入ポート１１の位置を変えることが
できる。In the case of the surface fastener system, the surface fastener can be locked at an appropriate position. further,
Even in the case of the insertion pin method, by inserting a pin (not shown) into at least one of the support members 1 and 2, and providing an insertion hole (not shown) at an appropriate position of the artificial lung module unit 3. The position of the blood inflow port 11 can be changed.
【００３０】[0030]
【発明の効果】以上述べたように、本発明による人工肺
は、２個の支持アームの下部に、略円筒状の人工肺モジ
ュール部の中心軸において両端面部で回動自在に枢着し
てなり、該人工肺モジュール部に設けられている血液流
出ポートが所望の位置に配置するための係止手段を設け
てなるものであるから、その配置する位置によって、プ
ライミングが容易となり、また血液流出ポートを中間位
置にすれば血液の体外循環時に気泡の流出を防止でき、
最大限に使いやすい状態となり、さらに、血液流出ポー
トを最下部に位置させると、残血を最大限回収できるの
で、血液の回収率は実質的に１００％となる。As described above, the artificial lung according to the present invention is rotatably attached to the lower portions of the two supporting arms so as to be rotatable at both end portions at the central axis of the substantially cylindrical artificial lung module. Since the blood outflow port provided in the artificial lung module is provided with a locking means for arranging the blood outflow port at a desired position, priming is facilitated depending on the position of the blood outflow port, and the blood outflow port If you set the port to the middle position, you can prevent the outflow of air bubbles during extracorporeal circulation of blood,
When the blood outflow port is located at the bottom, the residual blood can be collected to the maximum extent, and the blood recovery rate is substantially 100%.
【図１】 本発明による人工肺の斜視図である。FIG. 1 is a perspective view of an artificial lung according to the present invention.
【図２】 本発明による人工肺の血液リザーバーを省略
したプライミング時の位置を示す拡大側面図である。FIG. 2 is an enlarged side view showing a priming position in which the blood reservoir of the artificial lung according to the present invention is omitted.
【図３】 本発明による人工肺の血液リザーバーを省略
した血液体外循環時の位置を示す拡大側面図である。FIG. 3 is an enlarged side view showing a position during extracorporeal blood circulation without the blood reservoir of the artificial lung according to the present invention.
【図４】 本発明による人工肺の血液リザーバーを省略
した血液回収時の位置を示す拡大側面図である。FIG. 4 is an enlarged side view showing a position at the time of blood collection without the blood reservoir of the artificial lung according to the present invention.
【図５】 本発明による人工肺の血液リザーバーを省略
した他の実施態様を示す拡大側面図である。FIG. 5 is an enlarged side view showing another embodiment in which the blood reservoir of the artificial lung according to the present invention is omitted.
１，２…支持アーム、 ３…人工肺モジュール部、 ４，６…枢着部、 ５…クリック部材、 ５ａ…爪部、 ７ａ，７ｂ，７ｃ…係止部材、 ８，９…把持部材 １０…付勢手段、 １１…血液流出ポート、 １２…血液流入ポート、 １３…血液リザーバーとの結合部 １４ａ，１４ｂ，１４ｃ…係止用間隙、 １５…係止部材、 １６…パージライン、 １７…血液リザーバー、 １８ａ，１８ｂ，１８ｃ…係止用間隙、 １９…回動軸、 ２０…係止部材、 ２１…係止爪。 1, 2 ... support arms, 3 ... Artificial lung module part, 4,6 ... Pivot, 5 ... Click member, 5a ... claws, 7a, 7b, 7c ... Locking member, 8, 9 ... Gripping member 10 ... biasing means, 11 ... Blood outflow port, 12 ... blood inflow port, 13 ... Connection part with blood reservoir 14a, 14b, 14c ... Locking gap, 15 ... Locking member, 16 ... Purge line, 17 ... blood reservoir, 18a, 18b, 18c ... Locking gap, 19 ... Rotation axis, 20 ... locking member, 21 ... Locking claw.
フロントページの続き Ｆターム(参考） 4C077 AA03 BB06 CC04 CC09 JJ09 JJ22 JJ24 KK01 KK25 LL05 NN10 Continued front page F-term (reference) 4C077 AA03 BB06 CC04 CC09 JJ09 JJ22 JJ24 KK01 KK25 LL05 NN10
Claims (4)
人工肺モジュール部の中心軸において両端面部で回動自
在に枢着してなり、該人工肺モジュール部に設けられて
いる血液流出ポートを所望の位置に配置するための係止
手段を設けてなる人工肺。1. A blood provided on the artificial lung module part, which is rotatably attached to the lower parts of the two support arms so as to be rotatable at both end faces of the central axis of the substantially cylindrical artificial lung module part. An oxygenator provided with locking means for positioning the outflow port at a desired position.
少なくとも一方の端面に設けられた係止部材と、前記支
持アームに回動自在に枢着されたクリック部材とからな
る請求項１に記載の人工肺。2. The locking means comprises a locking member provided on at least one end surface of the artificial lung module portion, and a click member pivotally rotatably attached to the support arm. Oxygenator described in.
回動により該人工肺モジュール部に設けられている血液
流出ポートの位置が少なくとも上部、中間部および下部
に位置するように、該クリック部材を係止する請求項２
に記載の人工肺。3. The locking member is arranged so that the position of the blood outflow port provided in the artificial lung module part is located at least in the upper part, the intermediate part and the lower part by the rotation of the artificial lung module part. The locking member for locking the click member.
Oxygenator described in.
て形成された第１の把持部材と、支持アームの枢着部よ
り突出して形成された第２の把持部材との間に付勢手段
により外方へ付勢されてなる請求項２または３に記載の
人工肺。4. The click member is biased between a first gripping member formed so as to project from the pivotally attached portion and a second gripping member formed so as to project from the pivotally attached portion of the support arm. The artificial lung according to claim 2 or 3, which is biased outward by a means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001380455A JP4107837B2 (en) | 2001-12-13 | 2001-12-13 | Artificial lung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001380455A JP4107837B2 (en) | 2001-12-13 | 2001-12-13 | Artificial lung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| JP4107837B2 JP4107837B2 (en) | 2008-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001380455A Expired - Fee Related JP4107837B2 (en) | 2001-12-13 | 2001-12-13 | Artificial lung |
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Cited By (6)
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| JP2006142031A (en) * | 2004-11-24 | 2006-06-08 | Lifebridge Medizintechnik Gmbh | Extracorporeal blood circulating apparatus |
| US8187214B2 (en) | 2006-10-30 | 2012-05-29 | Lifebridge Medizintechnik Ag | Apparatus for making extracorporeal blood circulation available |
| US8834399B2 (en) | 2010-12-07 | 2014-09-16 | Zoll Lifebridge Gmbh | Cardiopulmonary apparatus and methods for preserving organ viability |
| US8882693B2 (en) | 2010-12-07 | 2014-11-11 | Zoll Lifebridge Gmbh | Cardiopulmonary apparatus and methods for preserving life |
| JP2018201862A (en) * | 2017-06-05 | 2018-12-27 | 株式会社ジェイ・エム・エス | Holder for artificial cardiopulmonary circuit |
| US11040131B2 (en) | 2010-12-07 | 2021-06-22 | Zoll Lifebridge Gmbh | Method and system for filling and venting a device for extracorporeal blood treatment, with stepped flooding of a filter |
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2001
- 2001-12-13 JP JP2001380455A patent/JP4107837B2/en not_active Expired - Fee Related
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