发明授权
US09398869B2 Method, system, and computer program product for improving the accuracy of glucose sensors using insulin delivery observation in diabetes
有权
方法，系统和计算机程序产品，用于提高使用糖尿病胰岛素输送观察的葡萄糖传感器的准确度
- 专利标题： Method, system, and computer program product for improving the accuracy of glucose sensors using insulin delivery observation in diabetes
- 专利标题（中）： 方法，系统和计算机程序产品，用于提高使用糖尿病胰岛素输送观察的葡萄糖传感器的准确度
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申请号： US13637359申请日： 2011-03-24
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公开(公告)号： US09398869B2公开(公告)日： 2016-07-26
- 发明人: Boris P. Kovatchev , Marc D. Breton , Stephen D. Patek , Colleen Hughes Karvetski
- 申请人： Boris P. Kovatchev , Marc D. Breton , Stephen D. Patek , Colleen Hughes Karvetski
- 申请人地址： US VA Charlottesville
- 专利权人： University of Virginia Patent Foundation
- 当前专利权人： University of Virginia Patent Foundation
- 当前专利权人地址： US VA Charlottesville
- 代理机构： Vorys, Sater, Seymour and Pease LLP
- 代理商 Vincent M DeLuca; Robert J. Decker
- 国际申请： PCT/US2011/029793 WO 20110324
- 国际公布： WO2011/119832 WO 20110929
- 主分类号： A61B5/00
- IPC分类号： A61B5/00 ; A61B5/145 ; A61B5/1495 ; A61M1/36 ; A61M5/142
摘要：
Method and System for providing a signal from an insulin pump, artificial pancreas, or another insulin delivery device as a source of information for improving the accuracy of a continuous glucose sensor (CGS). The effect of using insulin information to enhance sensor accuracy is most prominent at low blood glucose levels, i.e. in the hypoglycemic range, which is critical for any treatment. A system for providing a filtering/state estimation methodology that may be used to determine a glucose state estimate at time t-τ. The estimation may be extrapolated to some future time t and then the extrapolated value is used to extract the blood glucose component. The blood glucose component of the extrapolation and the output of the CGS are weighted and used to estimate the blood glucose level of a subject.
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