Senseonics has patented a system that reduces errors in analyte level calculations by using practical measurements as references for calibration. The system includes an analyte sensor, transceiver, and conversion function to improve accuracy in estimating venous blood analyte levels. GlobalData’s report on Senseonics gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Senseonics, was a key innovation area identified from patents.
Analyte sensor system for reducing error in analyte measurements
A recently granted patent (Publication Number: US11864892B2) discloses a system that includes an analyte sensor and a transceiver. The transceiver receives sensor data from the analyte sensor, calculates analyte levels using a conversion function, and updates the conversion function using reference analyte measurements to improve accuracy. The system aims to minimize errors between calculated analyte levels and estimated venous blood analyte levels, particularly focusing on self-monitoring blood glucose measurements obtained from finger-stick blood samples. The conversion process is based on a model of differences between capillary and venous blood analyte levels, utilizing cost functions to optimize the fit of errors. Additionally, the system can calculate medium analyte levels, such as interstitial fluid and blood, using sensor data like light and temperature measurements.
Furthermore, the patent also describes a method and a transceiver device implementing similar functionalities as the system. The method involves using a transceiver to receive sensor data, calculate analyte levels, convert reference analyte measurements, and update the conversion function for improved accuracy. The transceiver device includes a sensor interface, display interface, and a computer configured to perform the necessary calculations and updates. By utilizing updated error models and multiple reference analyte measurements, the system aims to enhance the accuracy of analyte level calculations. Overall, the patent presents a comprehensive system, method, and device for accurately determining analyte levels, particularly focusing on glucose monitoring applications.
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