JP6638096B2 - 用量測定システム及び方法 - Google Patents
用量測定システム及び方法 Download PDFInfo
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- JP6638096B2 JP6638096B2 JP2018567096A JP2018567096A JP6638096B2 JP 6638096 B2 JP6638096 B2 JP 6638096B2 JP 2018567096 A JP2018567096 A JP 2018567096A JP 2018567096 A JP2018567096 A JP 2018567096A JP 6638096 B2 JP6638096 B2 JP 6638096B2
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- electromagnetic radiation
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- sensors
- delivery device
- drug delivery
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Description
[0001] 本出願は、2016年7月15日に出願された「Dose Measurement Systems and Methods」と題する米国出願第62/362,946号に対して米国特許法第119条(e)項のもとでの優先権の利益を主張する。この開示は参照により全体が本願に含まれる。
Claims (52)
- 容器内の液体体積を測定するための装置であって、
電磁放射を放出するように配置及び構成された光源と、
前記放出された電磁放射の少なくとも一部を受光するように配置及び構成された光ガイドであって、前記受光した電磁放射の少なくとも一部を前記光ガイドの長さにわたって分散させ、前記分散させた電磁放射を前記容器の方へ誘導する、光ガイドと、
前記光ガイドに光学的に結合可能な複数のセンサであって、各々が前記分散された電磁放射の少なくとも一部を検出するように配置及び構成された、複数のセンサと、
前記複数のセンサの各々から前記検出された電磁放射の前記少なくとも一部を表すデータを受信するように構成され、前記受信したデータを、前記複数のセンサによって検出された前記電磁放射を表すシグネチャに変換するように動作可能な処理ユニットと、
を備える、装置。 - 前記処理ユニットは、前記シグネチャを基準シグネチャと関連付けるように更に構成され、
前記基準シグネチャは、前記容器内の液体体積を表す、請求項1に記載の装置。 - 前記光源、前記光ガイド、前記複数のセンサ及び前記処理ユニットは、筐体内に配置され、
前記筐体は、薬物送達デバイスに対して着脱可能に結合可能であるように構成されている、請求項1に記載の装置。 - 前記薬物送達デバイスは、注射ペンである、請求項3に記載の装置。
- 前記筐体は、ペンキャップである、請求項4に記載の装置。
- 前記注射ペン及び前記ペンキャップのうち少なくとも1つは、前記ペンキャップを所定の半径方向の向きで前記注射ペンに対して結合できるように構成された位置合わせ特徴部を含む、請求項5に記載の装置。
- 前記処理ユニットは、前記複数のセンサの各々からの前記検出された電磁放射データの前記一部を表す前記データ及び前記複数のセンサによって検出された前記電磁放射を表す前記シグネチャのうち少なくとも1つを一時的に記憶するように構成されたメモリを含む、請求項1に記載の装置。
- 前記処理ユニットは、複数の基準シグネチャを記憶するように構成されたメモリを含み、
前記複数の基準シグネチャの各々は、前記容器内の液体体積を表す、請求項1に記載の装置。 - 前記処理ユニットは、情報を記憶するように構成されたRFIDチップを含み、
前記RFIDチップは、前記記憶した情報を近距離無線通信対応デバイスが読み取れるように構成されている、請求項1に記載の装置。 - 前記光源は、発光ダイオードである、請求項1に記載の装置。
- 前記センサは、光検出器である、請求項1に記載の装置。
- 前記電磁放射は、赤外線放射である、請求項1に記載の装置。
- 前記電磁放射は、マイクロ波放射である、請求項1に記載の装置。
- 前記電磁放射は、パルス状に放出される、請求項1に記載の装置。
- リモートデバイスとの双方向通信を可能とするように構成された通信モジュールを更に備える、請求項1に記載の装置。
- 信号品質を向上させるための隔離構造を更に備える、請求項1に記載の装置。
- 前記隔離構造は、前記装置の前記電子コンポーネントを外部の電磁ノイズから遮蔽するように構成された金属ライニングを含む、請求項16に記載の装置。
- 前記隔離構造は、前記放出された電磁放射が前記装置を通過するのを防止するように構成されている、請求項16に記載の装置。
- 前記隔離構造は、金属添加物を含む、請求項18に記載の装置。
- 前記金属添加物は、二酸化チタンを含む、請求項19に記載の装置。
- 前記装置のステータスに関連した情報をユーザに伝達するように構成されたディスプレイを更に備える、請求項1に記載の装置。
- 前記ステータスは、残りの体積、残りの用量数、使用履歴、残りのバッテリ寿命、無線接続ステータス、前記装置の充電ステータスの指示、及び、ユーザリマインダ、のうち少なくとも1つを含む、請求項21に記載の装置。
- 前記ユーザが、前記装置の電源を入れること、前記装置の電源を切ること、前記装置をリセットすること、患者の行動の詳細を手作業で入力すること、容器の使用の詳細を手作業で入力すること、及び、前記装置とリモートデバイスとの間の通信を手作業で開始すること、を可能とするように構成されたユーザ入力インタフェースを更に備える、請求項1に記載の装置。
- 前記光ガイドは、前記容器の第1の側に配置され、
前記複数のセンサは、前記容器の第2の側に配置され、
前記第2の側は、前記第1の側に対して実質的に反対側である、請求項1に記載の装置。 - 前記光ガイドは、前記容器に対して第1の半径方向の位置に配置され、
前記複数のセンサは、第2の半径方向の位置に配置され、
前記第2の半径方向の位置は、前記第1の半径方向の位置とは異なる、請求項1に記載の装置。 - 前記第2の半径方向の位置は、前記第1の半径方向の位置に対してほぼ180度である、請求項25に記載の装置。
- 前記光ガイドは、光ガイド軸上に配置され、
前記光ガイド軸は、前記装置によって規定される縦軸に対して実質的に平行である、請求項1に記載の装置。 - 前記光源は、前記光ガイド軸に沿って電磁放射を放出するように配置及び構成されている、請求項27に記載の装置。
- 前記複数のセンサは、センサ軸上に配置され、
前記センサ軸は、前記装置によって規定される縦軸に対して実質的に平行である、請求項1に記載の装置。 - 前記光ガイドは、前記電磁放射の前記分散が実質的に直線に沿うように配置されている、請求項1に記載の装置。
- 前記複数のセンサは、実質的に直線状に配置されている、請求項1に記載の装置。
- 前記光源は、電磁放射を前記光ガイド内へ放出するように配置及び構成された唯一の光源である、請求項1に記載の装置。
- 薬物容器内の液体の体積を測定する方法であって、
光源に電磁放射を光ガイド内へ放出させることで、前記光ガイドが前記受光した電磁放射の少なくとも一部を前記光ガイドの長さにわたって分散させると共に前記分散させた電磁放射を前記薬物容器の方へ誘導するようにすることと、
前記光ガイドに光学的に結合可能な複数のセンサによって、前記薬物容器を透過した前記電磁放射のシグネチャを検出することと、
前記シグネチャを複数の基準シグネチャと比較して前記薬物容器内の前記液体の体積を決定することと、
を含む、方法。 - 前記薬物容器を透過した前記電磁放射の前記シグネチャを検出することは、前記複数のセンサの各々によって前記分散された電磁放射の少なくとも一部を検出することを含む、請求項33に記載の方法。
- 前記複数のセンサの各々によって検出された前記検出された電磁放射の前記少なくとも一部を表すデータは、前記シグネチャにコンパイルされる、請求項34に記載の方法。
- 前記薬物容器内の前記液体の体積に基づいて患者に送達された用量を計算することを更に含む、請求項33に記載の方法。
- 前記患者に送達された前記用量を患者投薬スケジュールと比較してコンプライアンスを監視することを更に含む、請求項36に記載の方法。
- 前記シグネチャを背景光について補正することを更に含む、請求項33に記載の方法。
- 前記補正は、前記シグネチャを、前記光源の暗状態において前記複数のセンサによって検出された電磁放射を表す背景シグネチャと比較することを含む、請求項38に記載の方法。
- 前記薬物容器内のある範囲の用量体積にわたって前記シグネチャを記録することによって前記複数の基準シグネチャを生成することを更に含む、請求項33に記載の方法。
- 確率的マッチングを用いて前記シグネチャを前記複数の基準シグネチャのうち1つと関連付けることを更に含み、
前記確率的マッチングは、前記薬物容器内に残っている前記液体の体積を決定するように動作可能である、請求項33に記載の方法。 - 前記光源は、電磁放射を前記光ガイド内へ放出する唯一の光源である、請求項33に記載の方法。
- 光源に電磁放射を光ガイド内へ放出させることで、第1の時点で、前記光ガイドが前記受光した電磁放射の少なくとも一部を前記光ガイドの長さにわたって分散させると共に前記分散させた電磁放射を前記注射ペンの方へ誘導するようにすることと、
前記光ガイドに光学的に結合可能な複数のセンサによって、前記注射ペンを透過した前記電磁放射の第1のシグネチャを検出することと、
前記第1のシグネチャを複数の基準シグネチャと比較して前記注射ペン内の液体の第1の体積を決定することと、
前記光源に電磁放射を前記光ガイド内へ放出させることで、前記第1の時点の後の第2の時点で、前記光ガイドが前記受光した電磁放射の少なくとも一部を前記注射ペンの方へ分散させるようにすることと、
前記複数のセンサによって、前記注射ペンを透過した前記電磁放射の第2のシグネチャを検出することと、
前記第2のシグネチャを前記複数の基準シグネチャと比較して前記注射ペン内の液体の第2の体積を決定することと、
前記第1の体積及び前記第2の体積に基づいて前記注射ペンから送達された用量を推定することと、
を含む、方法。 - 前記用量送達情報を外部デバイスに伝達することを更に含む、請求項43に記載の方法。
- 前記光源、前記光ガイド及び前記複数のセンサは、注射ペンキャップ内に配置され、
前記方法は、
前記注射ペンキャップが前記注射ペンから取り外される前に前記第1のシグネチャを検出することと、
前記注射ペンキャップが前記注射ペン上に戻された後に前記第2のシグネチャを検出することと、
を更に含む、請求項43に記載の方法。 - 前記注射ペンキャップの所定期間の不活性の後に前記注射ペンキャップを電力節約モードに切り替えることを更に含む、請求項45に記載の方法。
- 前記注射ペン内に残っている液体の前記第1の体積及び前記第2の体積のうち少なくとも1つが極めて小さい場合にユーザに警報を発することを更に含む、請求項43に記載の方法。
- 前記光源は、電磁放射を前記光ガイド内へ放出する唯一の光源である、請求項43に記載の方法。
- 薬物貯蔵部を含む薬物送達デバイスと、
前記薬物送達デバイスに対して着脱可能に結合可能であるように構成された用量測定システムであって、
電磁放射を放出するように配置及び構成された光源と、
前記放出された電磁放射の少なくとも一部を受光するように配置及び構成された光ガイドであって、前記受光した電磁放射の少なくとも一部を前記光ガイドの長さにわたって分散させ、前記分散させた電磁放射を前記薬物貯蔵部の方へ誘導する、光ガイドと、
前記光ガイドに光学的に結合可能な複数のセンサであって、前記複数のセンサの各々は前記薬物貯蔵部を通って伝達された電磁放射の量を検出するように配置及び構成され、前記薬物貯蔵部を通って伝達された電磁放射の前記量は前記薬物貯蔵部内に残っている液体の体積を表すシグネチャである、複数のセンサと、
前記薬物貯蔵部内に残っている前記液体の体積を表すデータをユーザに提示するように構成されたディスプレイと、
を含む、用量測定システムと、
を備える、健康管理システム。 - 前記用量測定システムは、前記薬物貯蔵部内に残っている前記液体の体積を表す前記データを少なくとも1つのリモートデバイスに伝達するように構成されている、請求項49に記載の健康管理システム。
- 前記薬物貯蔵部内に残っている前記液体の体積を表す前記データの前記少なくとも1つのリモートデバイスに対する伝達によって、前記少なくとも1つのリモートデバイスは患者に送達された用量を計算することができる、請求項50に記載の健康管理システム。
- 前記用量測定システムは、前記少なくとも1つのリモートデバイスから患者の健康データを受信するように構成され、
前記患者の健康データは、患者の血糖値、患者の食事情報、患者の運動情報、及び、患者の家庭健康監視データ、のうち少なくとも1つを含む、請求項50に記載の健康管理システム。
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