JP4786152B2 - 肝臓潅流分離法 - Google Patents
肝臓潅流分離法 Download PDFInfo
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Description
現在の外科的な肝臓潅流分離法では、上方肝臓大静脈(SCV)の圧迫および肝臓内大静脈(ICV)へのカニューレの挿入については、広範な外科的診査の必要から、処置の多くの時間を割いて行われる。ステント移植皮弁の閉塞による上方肝臓大静脈(SCV)の閉塞およびバルーンカテーテルによる肝臓内大静脈(ICV)の閉塞は、多少の処置の時間的制約を軽減する。さらに、ステント移植皮弁およびバルーンカテーテルによる閉塞技術は漏出を無くし、最小侵襲性で、公知の外科的肝臓潅流分離処置に匹敵する流量を確保できる肝臓潅流分離法に貢献する。
(A)肝臓を全身循環系から分離するステップと、肝臓内圧を制御するステップと、肝転移を治療するための化学療法剤を注入するステップとを含む肝臓潅流分離法。
(1)肝臓内圧を制御するステップは、肝臓を通過する血流を逆流させるステップと、門脈において肝臓を陰圧にするステップとをさらに含む実施態様(A)記載の方法。
(2)肝臓内圧を制御するステップは、肝臓内圧が生理学的肝臓内圧レベルを超えるのを防止するステップをさらに含む実施態様(1)記載の方法。
(3)肝臓を通過する血流を逆流させるステップは、肝臓内大静脈(ICV)を通じて生じる流入を起こさせるステップと、門脈(PV)を通じて生じる流出を起こさせるステップとをさらに含む実施態様(2)記載の方法。
(4)上方肝臓大静脈(SCV)を圧迫するステップと、肝臓内大静脈を閉塞するステップと、上記圧迫、閉塞および陰圧を組み合わせて肝臓からの血液の漏れを最小にし、これにより肝臓を全身循環系から分離するステップとをさらに含む実施態様(3)記載の方法。
(5)肝臓を全身循環系から分離するステップは、上記圧迫、閉塞および陰圧を用いて全身循環系の静脈・静脈間バイパスを創出するステップを含む実施態様(4)記載の方法。
(7)圧迫部位における上方肝臓大静脈を閉塞するステップをさらに含む実施態様(6)記載の方法。
(8)上方肝臓大静脈の閉塞は、この上方肝臓大静脈内のステント移植皮弁を閉塞することによって構成される実施態様(7)記載の方法。
(9)門脈に印加される陰圧は25〜35mmHgの範囲内とされ、好ましくは30mmHgとされる実施態様(6)記載の方法。
(10)門脈に印加される陰圧は25〜35mmHgの範囲内とされ、好ましくは30mmHgとされる実施態様(8)記載の方法。
1b ステント移植皮弁
2 バルーンカテーテル
3 カテーテル
4 カテーテル
5 カテーテル
6 カテーテル
10 心肺装置
20 バイオメディカスポンプ
Claims (3)
- 分離肝臓灌流のためのシステムにおいて、
肝臓を全身循環系から分離する手段と、
肝臓内大静脈(ICV)を通じて生じる流入を起こさせ、かつ、門脈(PV)を通じて生じる流出を起こさせることによって前記肝臓を通過する血液を逆流させる手段と、前記門脈において前記肝臓に陰圧を加える手段とを含む、肝臓内圧を制御する手段と、
肝転移を治療するための化学療法剤を注入する手段と、
を含み、
前記陰圧が、25〜35mmHgの範囲内である、システム。 - 請求項1に記載のシステムにおいて、
前記肝臓内圧を制御する手段が、前記肝臓内圧が生理学的肝臓内圧レベルを超えるのを防ぐ手段をさらに含む、システム。 - 請求項2に記載のシステムにおいて、
上方肝臓大静脈(SCV)を圧迫する手段と、
前記ICVを閉塞する手段と、
をさらに含み、
前記圧迫、閉塞、および陰圧のための手段が、前記肝臓からの漏れを最小にするために組み合わせられ、それにより、前記肝臓を全身循環系から分離する、システム。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US488163 | 1990-03-05 | ||
| US48816303P | 2003-07-18 | 2003-07-18 | |
| US88890204A | 2004-07-09 | 2004-07-09 | |
| US888902 | 2004-07-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005040606A JP2005040606A (ja) | 2005-02-17 |
| JP4786152B2 true JP4786152B2 (ja) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004210272A Expired - Fee Related JP4786152B2 (ja) | 2003-07-18 | 2004-07-16 | 肝臓潅流分離法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4786152B2 (ja) |
| CA (1) | CA2474377A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12508409B2 (en) | 2020-05-04 | 2025-12-30 | Rutgers, The State University Of New Jersey | System and method to use suction to enhance permeabilization and transfection of cells |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2330621C1 (ru) * | 2006-11-08 | 2008-08-10 | Николай Васильевич Рухляда | Способ снижения токсических эффектов химиопрепаратов во время изолированной перфузии печени |
| EP2633880A1 (en) * | 2010-10-25 | 2013-09-04 | The Ritsumeikan Trust | Method for operating a device for delivering a substance to be introduced, and method for delivering a substance to be introduced |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5723282A (en) * | 1991-07-08 | 1998-03-03 | The American National Red Cross | Method of preparing organs for vitrification |
| JPH1147265A (ja) * | 1997-07-29 | 1999-02-23 | Sumitomo Bakelite Co Ltd | 2バルーンカテーテル |
| DE60127530T2 (de) * | 2000-02-03 | 2007-12-13 | Cook Inc., Bloomington | Implantierbare vaskuläre vorrichtung |
-
2004
- 2004-07-15 CA CA 2474377 patent/CA2474377A1/en not_active Abandoned
- 2004-07-16 JP JP2004210272A patent/JP4786152B2/ja not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12508409B2 (en) | 2020-05-04 | 2025-12-30 | Rutgers, The State University Of New Jersey | System and method to use suction to enhance permeabilization and transfection of cells |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2474377A1 (en) | 2005-01-18 |
| JP2005040606A (ja) | 2005-02-17 |
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