JP2023515961A - 流体管理システムのための適応圧力制御フィルタ - Google Patents
流体管理システムのための適応圧力制御フィルタ Download PDFInfo
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Abstract
Description
本出願は、本明細書に引用によってその開示が組み込まれている2020年2月27日出願の米国仮特許出願第62/982,384号の利益及びそれに対する優先権を主張するものである。
20 医療デバイス
32 流体供給源ハンガー
34 流体供給源
50 流入ポンプ
Claims (15)
- 流体管理及び医療デバイスシステムのパラメータを制御する方法であって、
流体管理システム又は医療デバイスのセンサから予め決められた時間間隔で複数のデータ信号を取得するための指令を該流体管理システムのコントローラで開始する段階と、
予め決められた最小数のデータ信号が取得されるまで前記データ信号をバッファに格納する段階と、
前記流体管理システムのサブシステムから受信される1又は2以上の設定値に基づく生データプロファイルを前記複数のデータ信号を用いて生成する段階と、
前記生データプロファイルを適応データフィルタを用いてフィルタリングする段階であって、前記適応データフィルタは、該生データプロファイルに対して1又は2以上の通過を実行して濾過済みプロファイルを生成するように構成される、前記フィルタリングする段階と、
前記濾過済みプロファイルのパラメータに基づいて前記流体管理システムの変数を制御する段階と、
を備え、
前記適応データフィルタの前記1又は2以上の通過のうちの各通過が、前記データ信号の異なる特徴をモニタする及び/又は分析し、該1又は2以上の通過は、前記流体管理システムの前記サブシステムから受信される前記1又は2以上の設定値に依存して変化する、ことを特徴とする方法。 - 前記コントローラは、前記適応データフィルタの前記1又は2以上の通過のうちのいずれかを省略する又は修正するように構成される、請求項1に記載の方法。
- 前記適応データフィルタの少なくとも1つの通過が、前記生データプロファイル内のノイズを低減する又は排除するように構成される、請求項1又は2に記載の方法。
- 前記適応データフィルタの少なくとも1つの通過が、前記生データプロファイル内の脈動をモニタする及び/又は除去するように構成される、請求項1~3のいずれか1項に記載の方法。
- 前記適応データフィルタの少なくとも1つの通過が、前記生データプロファイル内の各振動を平均化するように構成される、請求項1~4のいずれか1項に記載の方法。
- 前記適応データフィルタの少なくとも1つの通過が、前記生データプロファイルにスパイクが存在するかを決定するように構成される、請求項1~5のいずれか1項に記載の方法。
- 前記適応データフィルタは、前記サブシステムからノイズ許容度入力を受信するように構成される、請求項1~6のいずれか1項に記載の方法。
- 前記コントローラは、前記ノイズ許容度入力に基づいて前記適応データフィルタを自動的に修正するように構成される、請求項7に記載の方法。
- 前記サブシステムによって提供される前記1又は2以上の設定値は、前記生データプロファイルの最大値、該生データプロファイルの最小値、該生データプロファイルの平均値、及び/又は該生データプロファイルの信号対ノイズ比を含む、請求項1~8のいずれか1項に記載の方法。
- 前記濾過済みプロファイルの前記パラメータに基づいて前記流体管理システムの前記変数を制御する段階は、該濾過済みプロファイルの最大値、該濾過済みプロファイルの最小値、該濾過済みプロファイルの平均値、該濾過済みプロファイルの周波数、該濾過済みプロファイルのスパイク検出、及び/又は該濾過済みプロファイルのピーク間脈動に基づいて該変数を制御する段階を備える、請求項1~9のいずれか1項に記載の方法。
- 前記濾過済みプロファイルの前記パラメータに基づいて前記流体管理システムの前記変数を制御する段階は、該濾過済みプロファイルが予め決められた範囲に収まらない場合に該流体管理システムのユーザインタフェースに警告を提供する段階を備える、請求項1~10のいずれか1項に記載の方法。
- 前記濾過済みプロファイルの前記パラメータに基づいて前記流体管理システムの前記変数を制御する段階は、該濾過済みプロファイルの変化率が予め決められた範囲に収まらない場合に該流体管理システムのユーザインタフェースに警告を提供する段階を備える、請求項1~11のいずれか1項に記載の方法。
- 前記複数のデータ信号は、複数の圧力信号を備える、請求項1~12のいずれか1項に記載の方法。
- 前記複数のデータ信号は、流体の量を表す複数の重量信号を備える、請求項1~12のいずれか1項に記載の方法。
- 前記複数のデータ信号は、複数の温度信号を備える、請求項1~12のいずれか1項に記載の方法。
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