Analyte Sensor Activation Circuit for False Wake-Up Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional analyte sensors require user interaction for initial connection and are prone to false activations due to noise, leading to inaccurate glucose monitoring and increased power consumption.
Innovation Solution
Implementing a pre-connected analyte sensor system with multiple activation techniques, combining primary and secondary signals to ensure robust and accurate activation, reducing user interaction and false wake-ups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the analyte sensor and sensor electronics are connected after implantation, then the system can be deployed flexibly, but user interaction is required and connection reliability may be compromised
Solution Approach 1:
The analyte sensor and sensor electronics are pre-connected in a pre-assembled unit before implantation, eliminating the need for user interaction during connection. This preliminary assembly ensures reliable electrical connections are established before the device is implanted into the patient, resolving both the ease of operation and reliability concerns.
2Productivity
If the sensor electronics are activated early, then the system can begin monitoring sooner, but false activations due to noise increase
Solution Approach 1:
The system employs a multi-signal activation approach where the processor evaluates multiple conditions (primary signal from analyte sensor, secondary signal from button press, tertiary signal from magnet detection) before activating sensor electronics. This feedback mechanism ensures activation only occurs when genuine implantation is detected, preventing false activations while enabling timely monitoring.
Solution Approach 2:
The pre-connected unit is prepared in advance with all components assembled, but the sensor electronics remain inactive until proper implantation is confirmed through multiple signal verification. This preliminary preparation without premature activation allows the system to start monitoring as soon as implantation is verified, avoiding false activations.
3Reliability
If multiple activation techniques are implemented, then false wake-ups are reduced, but device complexity increases
Solution Approach 1:
The processor implements a hierarchical feedback system that evaluates multiple signals (analyte sensor output, button press detection, magnet detection) and their combinations to determine activation. This feedback-based approach reduces false wake-ups by requiring corroboration from multiple independent signals while managing complexity through structured decision logic.
Solution Approach 2:
The processor serves multiple functions: it processes analyte sensor data, detects button presses, senses magnet presence, and controls sensor electronics activation. This multi-functionality consolidates what could be separate complex components into a single universal controller, reducing overall device complexity while maintaining reliable activation control.
4Use of energy by moving object
If the system remains in lower power state longer, then power consumption is reduced, but activation time increases
Solution Approach 1:
The system periodically checks for activation conditions (button press, magnet detection, analyte signal) while in lower power state, then activates sensor electronics when conditions are met. This periodic checking approach minimizes power consumption by keeping the system dormant most of the time while enabling relatively quick activation when implantation occurs, balancing energy savings with activation speed.
Data Source
AI summary
Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided. Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.