JPWO2019213319A5 - - Google Patents

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JPWO2019213319A5
JPWO2019213319A5 JP2020558034A JP2020558034A JPWO2019213319A5 JP WO2019213319 A5 JPWO2019213319 A5 JP WO2019213319A5 JP 2020558034 A JP2020558034 A JP 2020558034A JP 2020558034 A JP2020558034 A JP 2020558034A JP WO2019213319 A5 JPWO2019213319 A5 JP WO2019213319A5
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terminal
switch element
detection circuit
circuit
analyte sensor
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JP2020558034A
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JP2021521936A (en
JP7337841B2 (en
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Priority claimed from PCT/US2019/030279 external-priority patent/WO2019213319A1/en
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Priority to JP2023134832A priority Critical patent/JP2023169159A/en
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Claims (11)

分析物センサシステムの作動を制御するための回路であって、
検出回路の入力端子における信号が条件を満たしているかどうかを示すように適合され、かつ前記信号が前記条件を満たしていることを前記検出回路が示す場合、より低い電力状態を終了するように前記分析物センサシステムをトリガするようにさらに適合されている検出回路と、
前記検出回路の前記入力端子と分析物センサの第1の端子との間の結合を制御するように適合された第1のスイッチ素子であって、前記分析物センサが、ホスト内の分析物レベルに関連する情報を集取するように適合されている、第1のスイッチ素子と、
前記分析物センサの前記第1の端子とポテンシオスタットの第1の端子との間の結合を制御するように適合された第2のスイッチ素子であって、前記ホスト内の前記分析物レベルに関連する前記情報を前記分析物センサに集取させる電圧バイアスを前記分析物センサに印加するように前記ポテンシオスタットが適合されている、第2のスイッチ素子と、
を含み、
前記検出回路の前記入力端子が、前記分析物センサの第2の端子に、および前記ポテンシオスタットの第2の端子に結合されており、
前記回路が、第1の時点で、前記分析物センサの前記第1の端子を前記ポテンシオスタットの前記第1の端子に前記第2のスイッチ素子を結合させ、かつ前記検出回路の前記入力端子を前記分析物センサの前記第1の端子から前記第1のスイッチ素子を分離させることと、第2の時点で、前記分析物センサの前記第1の端子を前記ポテンシオスタットの前記第1の端子から前記第2のスイッチ素子を分離させ、かつ前記検出回路の前記入力端子を前記分析物センサの前記第1の端子に前記第1のスイッチ素子を結合させることによって前記分析物センサシステムを作動させるための追加の検出可能なイベントを生成するように適合されている、回路。
A circuit for controlling the operation of the analyzer sensor system.
If the detection circuit is adapted to indicate whether the signal at the input terminal of the detection circuit meets the conditions and the detection circuit indicates that the signal meets the conditions, the lower power state is terminated. With a detection circuit that is further adapted to trigger the analyte sensor system,
A first switch element adapted to control the coupling between the input terminal of the detection circuit and the first terminal of the analyte sensor, wherein the analyte sensor is at the analyzer level in the host. The first switch element, which is adapted to collect information related to, and
A second switch element adapted to control the coupling between the first terminal of the analyte sensor and the first terminal of the potentiostat, the analyte level within the host. A second switch element, wherein the potentiostat is adapted to apply a voltage bias to the analyte sensor to collect the information related to the analyte sensor.
Including
The input terminal of the detection circuit is coupled to the second terminal of the analyte sensor and to the second terminal of the potentiostat.
At the first time point, the circuit couples the first terminal of the analyte sensor to the first terminal of the potentiostat and the second switch element, and the input terminal of the detection circuit. The first switch element is separated from the first terminal of the analysis object sensor, and at the second time point, the first terminal of the analysis object sensor is separated from the first terminal of the potentiostat. The analyzer sensor system is operated by separating the second switch element from the terminal and coupling the input terminal of the detection circuit to the first terminal of the analyzer sensor by coupling the first switch element. A circuit that is adapted to generate additional detectable events to cause.
前記検出回路の前記入力端子と第2の基準電圧との間に結合された容量性素子をさらに含む、請求項に記載の回路。 The circuit according to claim 1 , further comprising a capacitive element coupled between the input terminal of the detection circuit and the second reference voltage. 前記第2のスイッチ素子が、前記検出回路の前記入力端子を、抵抗素子を介して前記分析物センサの前記第1の端子に結合するように適合されている、請求項に記載の回路。 The circuit of claim 1 , wherein the second switch element is adapted to couple the input terminal of the detection circuit to the first terminal of the analyte sensor via a resistance element. 前記検出回路の前記入力端子を前記第2の基準電圧に結合するように適合された第3のスイッチ素子をさらに含む、請求項に記載の回路。 The circuit of claim 1 , further comprising a third switch element adapted to couple the input terminal of the detection circuit to the second reference voltage. 前記第3のスイッチ素子が、前記検出回路の前記入力端子を前記第2の基準電圧に結合すると、前記容量性素子が放電する、請求項に記載の回路。 The circuit according to claim 4 , wherein when the third switch element couples the input terminal of the detection circuit to the second reference voltage, the capacitive element is discharged. 前記第3のスイッチ素子の端子が、前記検出回路の前記入力端子を前記第2の基準電圧に周期的に前記第3のスイッチ素子を結合させるクロックに結合されている、請求項に記載の回路。 The fifth aspect of claim 5 , wherein the terminal of the third switch element is coupled to a clock that periodically couples the input terminal of the detection circuit to the second reference voltage. circuit. 前記第1のスイッチ素子が、共通信号によって駆動され、前記第2のスイッチ素子が、前記共通信号の反転バージョンによって駆動される、請求項に記載の回路。 The circuit of claim 1 , wherein the first switch element is driven by a common signal and the second switch element is driven by an inverted version of the common signal. 前記第1のスイッチ素子と前記第2のスイッチ素子とが、共通信号によって駆動され、反対の極性を有する、請求項に記載の回路。 The circuit according to claim 1 , wherein the first switch element and the second switch element are driven by a common signal and have opposite polarities. 前記分析物センサが前記ホストに埋め込まれると、前記検出回路の前記入力端子における電圧が、前記分析物センサの前記第1の端子と前記分析物センサの前記第2の端子との間の電流を示す、請求項に記載の回路。 When the Analyte Sensor is embedded in the host, the voltage at the input terminal of the detection circuit causes the current between the first terminal of the Analyte sensor and the second terminal of the Analyte sensor. The circuit according to claim 1 , as shown. 前記検出回路の基準端子が、第1の基準電圧に結合されており、前記検出回路が、比較器を含む、請求項に記載の回路。 The circuit according to claim 1 , wherein the reference terminal of the detection circuit is coupled to a first reference voltage, and the detection circuit includes a comparator. 前記第2の電圧基準が、グランドである、請求項に記載の回路。 The circuit according to claim 1 , wherein the second voltage reference is ground.
JP2020558034A 2018-05-03 2019-05-01 Systems and methods for operating analyte sensor electronics Active JP7337841B2 (en)

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US201862666554P 2018-05-03 2018-05-03
US62/666,554 2018-05-03
PCT/US2019/030279 WO2019213319A1 (en) 2018-05-03 2019-05-01 Systems and method for activating analyte sensor electronics

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EP (1) EP3787507A4 (en)
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