JP4903148B2 - マルチチャンネル協働輸液システム - Google Patents
マルチチャンネル協働輸液システム Download PDFInfo
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- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
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- A—HUMAN NECESSITIES
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- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
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Description
するように第1送出装置を制御する。
通常、化学療法薬は、何日も続く多重セッションにわたって注入される。ある種の輸液システムの誤差または注入液送出の中断により、注入セッションの終期までに、注入が何時間も早まったり、遅れたりし得る。本発明は、この問題に取り組むものであり、例示的実施形態を以下に説明する。1つの実施形態では、正確な輸液装置、例えば、輸液装置がインテリジェント制御モジュールによって制御されるウエイトセルと大容量輸液ポンプ(「LVP」)の組み合せを用いる。
めに、1つまたは複数のギヤを介してドライバーヘッドに接続されたモーターを含む駆動機構により、シリンダー内を進められる。本発明の1つの態様によれば、所定期間にわたって所定量の液体を正確に注入する手段が提供される。特定流量をプログラミングするのではなく、臨床医は、特定期間にわたる特定の注入量をプログラミングすることができ、かつこのシステムは、残存注入量と残存注入時間に基づいて、流量をあるパラメータ内で自動的に調整する。このシステムはさらに、システムの開始時や、注入を一時的に停止する必要がある、例えば注入ラインの閉塞もしくは空気の混入または他のなんらかの他の理由で注入時に生じ得る事情によるシステムの停止時における、どのような変化にも対応する。
量非経口ポンプ(「LVP」)であるのが好ましい。この実施形態における第1機能ユニット16の一次タスクは、希釈剤注入チャンネル(チャンネルA)、この場合はLVP16を介して、患者に挿入されたIVライン34に希釈液32を送出することである。希釈液は、例えば標準生理食塩水などの任意の中性液であってよく、通常、IVバッグ36などの容器に入っている。
量を注入するように選択し得る。シリンジの全容量は、図4Lに示すように「VTBI」の隣の「全部」(ALL)で分かる。あるいは、「全部」設定をデフォルト設定として設定してもよい。S3ソフトキーを押して図4Mに示すようなこの注入の持続時間を入力するオプションを選択する。
常時計算する。ステップ100で、輸液ポンプは中性キャリヤ液をIVラインに送出し、ステップ102で、シリンジポンプは薬剤を輸液回路に注入する。ステップ104で、制御システムは、注入すべき薬剤の残量と所定時間の残り時間とに基づいて、チャンネルBの注入流量を常時自動的に調整する。ステップ106で、薬剤の全量が注入されるまで、検出、計算、送出、注入および調整ステップを繰り返す。
図7A〜7Uは、本発明の上記ウエイトセルに関連して用いられるユーザーインターフェースである。この実施形態に関連して用いられるPCUは、先の実施形態に関して説明したものと同じようにプログラムされている。本発明のマルチチャンネル輸液モードへのアクセスは、図4A〜4Cに関連して説明し、完全を期すために図7A〜7Cに示すように達成される。チャンネルAの維持流量は、図4D〜4Hに関連して説明し、完全を期すために図7D〜7Hに示すように設定されている。チャンネルAが維持輸液を送出することを示すサマリースクリーンが図7Iに示されている。「B」に隣接するS2ソフトキーを押すと、図7Jのように、輸液設定のインターフェーススクリーン80が表示される。
液透析と同類であるが、但し、患者は、何回にも分けて数時間行うのではなく、持続的に機械(濾過システム)にかかる。CRRTでは、患者に入って行く透析液や静脈内液(intravenous liquids)と患者から出てゆく液体の量とを正確に記録し続けることが重要である。すなわち、患者から液体が導出され、交換されるときに、質量平衡が存在しなければならない。これらの液体平衡を慎重に調節しないと、深刻な臨床問題、ひいては死さえ生じ得る。これらの療法の利点は、身体へのストレスが少なく、3〜4時間の血液透析を何回も行うのとは対照的に、連続治療を行うことである。
輸液システム140を用いて達成し得る。マルチチャンネル協働輸液システム140は、さらに、送出または排出量に有意な影響を与える高い吸入および排出圧力差などの条件を克服することができる。
Claims (18)
- 輸液システムであって、
輸液回路に第1注入剤を送出する第1送出ユニットと、
輸液回路に第2注入剤を送出する第2送出ユニットと、
注入されずに残っている未送出第1注入剤の量を測定する測定装置と、
制御システムと
を備え、前記制御システムは、
第1送出ユニットからの第1注入剤の送出および第2送出ユニットからの第2注入剤の送出を制御し、
送出すべき所定の第1注入剤量の入力および該所定第1注入剤量の所定注入時間の入力を可能にし、
所定注入時間の残り時間を測定し、
第1送出ユニット、第2送出ユニット、および測定装置と連絡して、前記所定第1注入剤量、前記所定注入時間、輸液システム内に残っている前記測定した未送出第1注入剤の量および前記測定した所定注入時間の残り時間に基づいて、第1注入剤注入流量を決定し、
前記決定した第1注入剤注入流量で第1注入剤を送出するように第1送出ユニットを制御し、
制御システムが、第1ポンプユニットまたは第2ポンプユニットのいずれかの中断後、自動的に第1注入剤注入流量を計算し直す、
輸液システム。 - 第1注入剤が薬剤であり、第2注入剤が中性キャリヤ液である、請求項1に記載の輸液システム。
- 制御システムが第1および第2送出ユニットを同時に停止かつ再始動させる、請求項1に記載の輸液システム。
- 輸液システムと輸液システムユーザーとの間のインターフェースを提供するためのプログラミングユニットをさらに備えている、請求項1に記載の輸液システム。
- 第1送出ユニットがシリンジポンプを有する、請求項1に記載の輸液システム。
- 第1送出ユニットが輸液ポンプを有する、請求項1に記載の輸液シス
テム。 - 第1送出ユニットが第1注入剤を含有する容器を有し、測定装置が第1注入剤含有容器の重量を検出するためのウエイトセルを有する、請求項1に記載の輸液システム。
- 制御システムがプログラミングユニット内に位置する、請求項1に記載の輸液システム。
- シリンジポンプがシリンジを有し、輸液システムが、シリンジの総量を検出するためのシリンジサイズ検出システムをさらに備えている、請求項5に記載の輸液システム。
- シリンジポンプがプランジャーを備えたシリンジを有し、測定装置がシリンジポンプのシリンジプランジャーの位置を検知するためのポジションセンサーを有する、請求項5に記載の輸液システム。
- 輸液システム内に残っている第1注入剤の量が、輸液システム内に残っている第1注入剤の重量であり、容器の風袋重量を引いた第1注入剤含有容器の重量から計算される、請求項7に記載の輸液システム。
- 輸液システム内に残っている第1注入剤の量が、輸液システム内に残っている第1注入剤の容量であり、プランジャーの位置およびシリンジの総容積から計算される、請求項10に記載の輸液システム。
- 第1注入剤の注入流量が、輸液システム内に残っている第1注入剤の重量、第1注入剤の比重、および所定注入時間の残り時間から計算される、請求項11に記載の輸液システム。
- 容器のタイプおよび風袋重量を検出するための容器検出システムをさらに備えている、請求項13に記載の輸液システム。
- 輸液ポンプのポンプ輸送速度を自動的に調整する輸液システムの作動方法であって、
制御システムが、注入されるべき第1注入剤の総量を入力される工程と、
制御システムが、前記第1注入剤の総量が注入される時間を入力される工程と、
測定装置が、注入されずに残っている第1注入剤の量を検出する工程と、
制御システムが、前記時間の残り時間を計算する工程と、
制御システムが、前記第1注入剤と同時に注入される第2注入剤の量を測定する工程と、
制御システムが、前記注入されずに残っている第1注入剤の量と、前記時間の残り時間とに基づいてポンプ輸送速度を自動的に調整する工程と、前記自動的に調整する工程は、中断の後でポンプ輸送速度を自動的に再計算する工程をさらに含むことと、
を含む方法。 - 前記検出する工程、前記計算する工程、および前記自動的に調整する工程を第1注入剤の総量が注入されるまで繰り返す工程をさらに含む請求項15に記載の作動方法。
- 前記検出する工程は、シリンジポンプ内に配置されたシリンジのプランジャーの位置を確立する工程と、注入されずに残っている第1注入剤の量を前記プランジャーの位置および
シリンジの総容積から計算する工程とを含む請求項15に記載の方法。 - 前記検出する工程は、第1注入剤を含有する容器の重量を確認する工程と、注入されずに残っている第1注入剤の量を該第1注入剤を含有する容器の重量から計算する工程とを含む請求項15に記載の方法。
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-
2004
- 2004-09-17 US US10/943,761 patent/US20060064053A1/en not_active Abandoned
-
2005
- 2005-09-16 KR KR1020077008593A patent/KR20070065378A/ko not_active Application Discontinuation
- 2005-09-16 EP EP11176949A patent/EP2397172A1/en not_active Withdrawn
- 2005-09-16 RU RU2007114267/14A patent/RU2381038C2/ru active
- 2005-09-16 NZ NZ587485A patent/NZ587485A/en not_active IP Right Cessation
- 2005-09-16 CN CN200580034317A patent/CN100591373C/zh active Active
- 2005-09-16 SG SG200901191-7A patent/SG150532A1/en unknown
- 2005-09-16 BR BRPI0515454-5A patent/BRPI0515454B1/pt active IP Right Grant
- 2005-09-16 NZ NZ590711A patent/NZ590711A/en not_active IP Right Cessation
- 2005-09-16 EP EP05797881.9A patent/EP1796760B1/en active Active
- 2005-09-16 JP JP2007532577A patent/JP4903148B2/ja active Active
- 2005-09-16 CA CA2580633A patent/CA2580633C/en active Active
- 2005-09-16 WO PCT/US2005/033451 patent/WO2006034178A2/en active Application Filing
- 2005-09-16 AU AU2005286934A patent/AU2005286934B2/en active Active
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2007
- 2007-03-30 ZA ZA200702703A patent/ZA200702703B/xx unknown
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2011
- 2011-05-10 JP JP2011105429A patent/JP2011172983A/ja active Pending
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Also Published As
Publication number | Publication date |
---|---|
WO2006034178A3 (en) | 2006-06-22 |
RU2381038C2 (ru) | 2010-02-10 |
JP2008513142A (ja) | 2008-05-01 |
CA2580633A1 (en) | 2006-03-30 |
ZA200702703B (en) | 2008-08-27 |
JP2011172983A (ja) | 2011-09-08 |
US20130150821A1 (en) | 2013-06-13 |
NZ587485A (en) | 2011-10-28 |
NZ590711A (en) | 2011-09-30 |
CN101035578A (zh) | 2007-09-12 |
EP1796760A2 (en) | 2007-06-20 |
SG150532A1 (en) | 2009-03-30 |
KR20070065378A (ko) | 2007-06-22 |
BRPI0515454B1 (pt) | 2022-04-05 |
EP1796760B1 (en) | 2017-09-13 |
CN100591373C (zh) | 2010-02-24 |
WO2006034178A2 (en) | 2006-03-30 |
AU2005286934B2 (en) | 2011-06-30 |
EP2397172A1 (en) | 2011-12-21 |
CA2580633C (en) | 2015-05-05 |
HK1113094A1 (en) | 2008-09-26 |
RU2007114267A (ru) | 2008-10-27 |
BRPI0515454A (pt) | 2008-07-22 |
AU2005286934A1 (en) | 2006-03-30 |
US20060064053A1 (en) | 2006-03-23 |
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