Continuous Glucose Sensor Data Link With Secure Wireless Authentication

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Solution Overview

Problem

Conventional self-monitoring blood glucose (SMBG) methods are uncomfortable and infrequent, leading to delayed detection of hyperglycemic or hypoglycemic conditions in diabetic patients, and continuous glucose sensors lack efficient data processing and transmission for real-time monitoring.

Innovation Solution

A method and system for wirelessly exchanging glucose information between a continuous glucose sensor and a display device using device IDs, authentication protocols, and adjustable communication channels to ensure secure and timely data transmission, along with real-time glucose value management and calibration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional SMBG monitors are used, then device complexity is low, but measurement frequency is low and reliability is poor

Engineering Contradiction:

Improveglucose monitoring reliabilityVSAvoiddevice complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces a wireless communication system with authentication protocols as an intermediary between the sensor and display device. This mediator enables secure data exchange without requiring direct physical connection, improving reliability while managing complexity through standardized communication protocols.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The system employs universal authentication mechanisms and wireless communication standards that can be applied across different device types. The authentication protocol serves multiple functions: verifying device identity, establishing secure communication, and enabling data exchange, thereby improving reliability without proportionally increasing complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Measurement precision

If continuous glucose sensing is implemented, then measurement precision is improved, but data transmission security risks increase

Engineering Contradiction:

Improveglucose measurement precisionVSAvoiddata transmission security risks

Core Design Contradiction:

Measurement precisionVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary authentication actions before any data transmission occurs. Device IDs and authentication protocols are established in advance, creating a secure foundation that prevents unauthorized access to sensitive glucose data while maintaining continuous monitoring capabilities.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

Authentication protocols act as intermediaries that verify the legitimacy of communicating devices before data exchange. This mediator layer protects against security risks by ensuring that only authorized devices can access precise glucose measurement data.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Reliability

If frequent glucose measurements are taken, then reliability is improved, but loss of time for other activities increases

Engineering Contradiction:

Improveglucose monitoring reliabilityVSAvoidtime for other activities

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The patent replaces manual mechanical blood glucose testing with an automated continuous sensor system. The sensor continuously monitors glucose levels without requiring physical finger pricks, eliminating the time loss associated with repeated manual measurements while maintaining high monitoring reliability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables continuous glucose monitoring without interruption to other activities. The sensor operates continuously in the background, providing ongoing glucose data without requiring the user to stop what they are doing for measurements, thus eliminating time loss while improving reliability.

Inventive Principle:

Principle #20Continuity of useful action

4Reliability

If wireless communication authentication protocols are implemented, then security is improved, but device complexity increases

Engineering Contradiction:

Improvedata transmission securityVSAvoidcommunication system complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The authentication system is segmented into distinct components: device ID identification, authentication protocol verification, and data transmission authorization. This segmentation allows each component to be optimized independently, improving security while managing overall system complexity through modular design.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS12587848B2Systems and methods for processing and transmitting sensor data

Publication Date: 2026.03.24 DEXCOM INC

AI summary

Systems and methods for continuous measurement of an analyte in a host are provided. The system generally includes a continuous analyte sensor configured to continuously measure a concentration of analyte in a host and a sensor electronics module physically connected to the continuous analyte sensor during sensor use, wherein the sensor electronics module is further configured to directly wirelessly communicate sensor information to one or more display devices. Establishment of communication between devices can involve using a unique identifier associated with the sensor electronics module to authenticate communication. Times tracked at the sensor electronics module and the display module can be at different resolutions, and the different resolutions can be translated to facilitate communication. In addition, the frequency of establishing communication channels between the sensor electronics module and the display devices can vary depending upon whether reference calibration information is being updated.