BARTLING, JAMES E.,巴特林 詹姆士E,巴特林 詹姆士E,MACH, AARON JOEL,玛奇 亚伦 乔,瑪奇 亞倫 喬,WENN, DARREN EDWARD NOEL,温 戴伦 艾德华 诺尔,溫 戴倫 艾德華 諾爾
申请号：
TW100149842
公开号：
TWI511705B
申请日:
2011.12.30
申请国别(地区):
TW
年份:
2015
代理人:
摘要：
A blood glucose meter comprises a blood sample test strip, a constant current source, a precision timer, a digital processor and memory, and an analog measurement circuit,e.g., voltage comparator, analog-to-digital converter (ADC),etc., that eliminates the complex analog front end and other related circuits of present technology glucose meters. When a blood sample is applied to the blood sample test strip a charge, Q, develops from the reaction between an enzyme in the test strip and the blood sample. The constant current source injects a constant current value, I, into the charge, Q, on the blood sample test strip over a precisely measured time determined by when the excess charge, Q, has been removed from the test strip. The amount of charge, Q, is determined by Q=I * T, the charge, Q, is then converted into a blood glucose level for display.本發明揭示一種血液葡萄糖計,其包括一血液樣本測試條、一恆定電流源、一精確計時器、一數位處理器及記憶體及一類比量測電路,該血液葡萄糖計消除當前技術之葡萄糖計之複雜類比前端及其他相關電路,例如,電壓比較器、類比轉數位轉換器(ADC)等等。當將一血液樣本施加至該血液樣本測試條時,一電荷Q自該測試條中之酶與該血液樣本之間的反應而產生。在當已將超量電荷Q自該血液樣本測試條移除時所判定之一精確量測時間期間,該恆定電流源將一恆定電流值I注入至該測試條上之電荷Q中。藉由Q=I×T來判定電荷Q之量,然後將電荷Q轉換成一血液葡萄糖位準用於顯示。100...血液葡萄糖量測裝置104...血液樣本測試條106...恆定電流源108...開關110...數位處理器及記憶體112...類比轉數位轉換器(ADC)/比較器114...計時器116a...端子116b...端子118...顯示器120...可程式化電壓參考
