Sensor Electronics Unit Communication Protocols for Analyte Monitoring
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Solution Overview
Problem
Existing analyte monitoring systems face challenges in providing comfortable, convenient, and timely glucose level monitoring for diabetic individuals, often resulting in delayed detection of hyperglycemic or hypoglycemic conditions.
Innovation Solution
The system employs a sensor electronics unit that communicates with a display device using multiple communication protocols, allowing for wireless communication, data transmission, and command execution, including wake actions, calibration, and data retrieval, to enhance monitoring efficiency and user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If finger pricking methods are used for glucose monitoring, then measurement accuracy can be maintained, but user comfort and convenience deteriorate, leading to infrequent monitoring (2-4 times per day)
Solution Approach 1:
The patent replaces the mechanical finger pricking system with a non-invasive optical sensing system. The optical sensor detects glucose levels through the skin using light transmission, eliminating the need for mechanical puncture while maintaining measurement capability. This substitution directly addresses the contradiction by removing the uncomfortable mechanical aspect while preserving analytical function.
Solution Approach 2:
The patent changes the fundamental measurement parameter from mechanical tissue penetration to optical property detection. By measuring glucose concentration through optical transmission characteristics rather than direct tissue sampling, the system achieves non-invasive monitoring that improves user comfort while maintaining continuous measurement capability.
2Ease of operation
If monitoring is performed only 2-4 times per day, then user comfort is maintained, but timely detection of hyperglycemic or hypoglycemic conditions deteriorates
Solution Approach 1:
The patent implements continuous monitoring capability through the optical sensor system that operates continuously rather than intermittently. The sensor provides ongoing glucose level detection without requiring user intervention, eliminating time delays between measurements and enabling immediate detection of glucose excursions while maintaining user comfort through non-invasive operation.
Solution Approach 2:
The monitoring system performs self-measurement continuously without requiring user action. The optical sensor automatically detects glucose levels and transmits data, eliminating the need for users to manually perform measurements. This self-service approach ensures timely detection of conditions while requiring minimal user involvement, maintaining comfort.
3Device complexity
If conventional monitoring methods are used, then device complexity remains low, but the ability to detect rising or falling glucose trends deteriorates
Solution Approach 1:
The patent incorporates feedback mechanisms that continuously monitor glucose levels and provide trend information to users. The system analyzes sequential measurements to determine whether glucose is rising or falling, then communicates this trend information through the display interface. This feedback approach adds valuable trend detection capability while maintaining relatively simple device architecture through software-based analysis.
Data Source
AI summary
Methods and apparatus are provided for communication among display devices and sensor electronics unit in an analyte monitoring system. The analyte monitoring system may include a sensor that is configured to perform measurements indicative of analyte levels. The sensor may be communicatively coupled to the sensor electronics unit. The sensor electronics unit may be configured to transmit data indicative of analyte levels to the display devices using one or more communication protocols. Furthermore, the sensor electronics unit may be configured to operate in multiple modes, and switch between the modes in response to commands received from the display devices. Related systems, methods, and articles of manufacture are also described.