JP2006503617A - 鎮静・鎮痛システムにおいて傾向分析を行うシステムおよび方法 - Google Patents
鎮静・鎮痛システムにおいて傾向分析を行うシステムおよび方法 Download PDFInfo
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Abstract
Description
本発明は、概して、傾向分析に関し、特に、鎮静・鎮痛システムのモニタリング、処理および出力機能に組み込まれた傾向分析に関する。
この出願は、米国特許法第119(e)条(35 U.S.C. §119(e))に基づき、参照により本明細書に援用される2002年10月3日に出願された「Systems and Methods for Providing Trend Analysis in a Sedation and Analgesia System」と題する米国仮特許出願第60/415,524号に対する優先権を主張する。
適用なし
適用なし
苦痛、不快、もしくは恐ろしい(不安を駆り立てる)医療または外科的処置を受けている患者に対し、鎮静剤、鎮痛剤および/または記憶消失剤を、資格を有する麻酔担当者がいてもいなくても過剰投薬の危険性を低減する方法で安全に受容する手段を提供する、鎮静・鎮痛システムが開発されてきた。技術の著しい進歩により、鎮静・鎮痛システムを、病院および外来環境で使用するために安全なものとすることができ、たとえば、C.R.N.A.、訓練を受けた医師または他の訓練を受けた技師等の訓練を受けた麻酔医以外の人が操作することができる。鎮静・鎮痛システムは、安全かつ効果的な鎮静および鎮痛が、恐怖および苦痛の影響を実質的に軽減することができるすべての処置に対し、麻酔担当者を手配することができない、開業医のニーズを満たすために役立ってきた。これらの目的に向けられた鎮静・鎮痛システムの出現により、これらの人々に対し、麻酔器の操作に必要な認識的かつ手作業による作業負荷を低減する患者モニタリングシステムに統合された薬剤送達システムが提供されるが、それでも臨床医は依然として患者の管理の中心に居続ける。「臨床医が一番知っている」という原理に従って、臨床医には、最終的な判断を行う責任が依然として与えられている。この高度な技術により、鎮静・鎮痛システムを、患者に対し鎮静、記憶消失および/または鎮痛の費用効率がよく容易に利用可能な手段を提供して、麻酔担当者がいなくても全身麻酔より低い薬物濃度効果で操作することができる。
本発明は、データアーティファクトによる誤検出警報応答の確率を低減するように、単一患者パラメータに関連する単一モニタからデータを収集することができる鎮静・鎮痛システムを含む。本発明はまた、切迫したよくない患者の状態を検出することができ、かかる状態をよくない患者の状態が実際に発生する前に検出することができる、モニタリングシステムも含む。
図1は、ユーザインタフェース12、ソフトウェア制御コントローラ14、周辺機器15、電源16、外部通信10、圧力送出部11、患者インタフェース17および薬剤送達部19を有する本発明による鎮静・鎮痛システム22の一実施形態のブロック図を示し、ここでは、鎮静・鎮痛システム22は、患者18に鎮静および/または鎮痛を与えるために、ユーザ13によって操作される。鎮静・鎮痛システム22の例は、1999年6月3日に出願され全体として参照により本明細書に援用される米国特許出願第09/324,759号により開示され使用可能にされている。ユーザインタフェース12の実施形態は、2002年11月1日に出願され全体として参照により本明細書に援用される米国特許出願第10/285,689号によって開示され使用可能にされている。
Claims (14)
- 患者に結合されるようにかつ該患者の生理学的状態を反映する患者パラメータを測定するように適合された少なくとも1つの患者健康状態モニタ装置と、
ユーザインタフェースと、
前記患者に対し1つまたは複数の薬剤を供給する薬剤送達コントローラと、
前記モニタされた患者の生理学的状態のうちの少なくとも1つの安全なパラメータおよび望ましくないパラメータを反映する安全データセットを格納するメモリデバイスと、
前記患者健康状態モニタ、前記ユーザインタフェース、前記薬剤送達コントローラ、および前記メモリデバイスと相互接続され、前記患者パラメータを受け取り該患者パラメータの傾向を分析することによりよくない患者の状態が切迫しているか否かを判断する電子コントローラと、
を具備する鎮静・鎮痛システム。 - 患者の安全性と臨床医の認識とを確実にする1つまたは複数の作動部をさらに具備し、前記電子コントローラは、該作動部と相互接続され、かつ前記患者パラメータの前記傾向に従って該作動部を制御する、請求項1に記載の鎮静・鎮痛システム。
- 前記電子コントローラは、前記安全データセットの範囲内にある前記患者パラメータのよくない傾向に応じて早期の警報を提供する、請求項1に記載の鎮静・鎮痛システム。
- 前記電子コントローラは、前記傾向に対し前記患者パラメータ測定値を評価する、請求項1に記載の鎮静・鎮痛システム。
- 前記患者パラメータは、カプノメトリ、パルスオキシメトリおよび血圧から導出されるものである、請求項1に記載の鎮静・鎮痛システム。
- 前記患者パラメータは心拍数である、請求項1に記載の鎮静・鎮痛システム。
- 前記少なくとも1つの患者健康状態モニタは、心電計とパルスオキシメータとのうちの一方である、請求項1に記載の鎮静・鎮痛システム。
- 鎮静・鎮痛システムに傾向分析を組み込む方法であって、
単一患者パラメータをモニタする患者に対する患者モニタを提供するステップと、
該モニタによって前記患者をモニタするステップであって、該モニタから収集されたデータを、前記鎮静・鎮痛システムのコントローラに送信してもよい、モニタするステップと、
前記モニタから受信されたデータに基づいて傾向を作成するステップと、
該傾向を前記鎮静・鎮痛システムのアルゴリズムに入力するステップと該傾向を分析するステップとのうちの少なくとも一方と、
前記傾向分析に基づき適当な処置を開始するステップと、
を含む鎮静・鎮痛システムに傾向分析を組み込む方法。 - 前記分析するステップは、前記傾向の傾斜を計算すること、傾向変動に対する複数の傾斜を計算すること、多項式の係数を計算すること、および最小平均2乗誤差技法を使用して前記傾斜の曲線あてはめを行うことのうちの少なくとも1つを含む、請求項8に記載の鎮静・鎮痛システムに傾向分析を組み込む方法。
- 前記コントローラに提示されるデータが実際に傾斜の変化を示すか否かに対する確率値を計算するステップをさらに含む、請求項8に記載の鎮静・鎮痛システムに傾向分析を組み込む方法。
- 前記傾向を、関連する患者パラメータからの複数の他の傾向と組み合わせて分析する、請求項8に記載の鎮静・鎮痛システムに傾向分析を組み込む方法。
- 前記傾向を、直交性のある冗長性の機能として組み込む、請求項9に記載の鎮静・鎮痛システムに傾向分析を組み込む方法。
- 前記傾向を、少なくとも1つのニューラルネットワークに統合する、請求項8に記載の鎮静・鎮痛システムに傾向分析を組み込む方法。
- 前記適当な処置は、モニタし続けること、事前警報を開始すること、薬剤送達を休止すること、および完全な警報を開始することのうちの少なくとも1つを含む、請求項8に記載の鎮静・鎮痛システムに傾向分析を組み込む方法。
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- 2003-10-03 CA CA002507488A patent/CA2507488A1/en not_active Abandoned
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- 2003-10-03 US US10/677,482 patent/US8028694B2/en not_active Expired - Fee Related
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CN1720074A (zh) | 2006-01-11 |
WO2004030525A2 (en) | 2004-04-15 |
AU2003275460A1 (en) | 2004-04-23 |
EP1554003A4 (en) | 2011-10-12 |
EP1554003A2 (en) | 2005-07-20 |
CA2507488A1 (en) | 2004-04-15 |
WO2004030525A8 (en) | 2004-08-26 |
AU2009213027A1 (en) | 2009-10-08 |
US8028694B2 (en) | 2011-10-04 |
US20050039742A1 (en) | 2005-02-24 |
WO2004030525A3 (en) | 2004-08-05 |
CN100563744C (zh) | 2009-12-02 |
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