Glucose Meter AST Detection and Marker System
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Solution Overview
Problem
Alternative Site Testing (AST) for blood glucose monitoring often results in flawed glucose concentration readings due to improper usage and recording, as users may disregard or forget precautions, leading to potential life-threatening conditions like hypoglycemia and hyperglycemia.
Innovation Solution
A meter with integrated lancing mechanism and detection device that distinguishes between alternative and standard site tests, storing analyte concentrations with a marker indicating the test site, and includes features like endcap detection and depth sensors to ensure accurate glucose monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If alternative site testing is used to reduce pain, then ease of operation is improved, but measurement precision deteriorates due to intrinsic testing problems and improper usage
Solution Approach 1:
The system provides feedback to the user by displaying an indicator (such as an icon or message) that clearly shows whether a test result is marked as AST or SST. This feedback loop ensures users are aware of the test type and can take appropriate corrective actions, thereby improving measurement precision while maintaining the ease of alternative site testing.
Solution Approach 2:
The patent introduces an intermediary marker system that acts as a mediator between the test execution and result interpretation. The marker (visual indicator) serves as an intermediary element that bridges the gap between the user's test action and the accurate understanding of the result type, preventing misinterpretation while allowing continued use of alternative sites.
2Reliability
If users are informed of AST precautions, then reliability is improved, but loss of information occurs when users disregard or forget precautions
Solution Approach 1:
The system performs preliminary action by automatically marking test results as AST or SST before the user records or interprets the data. This pre-marking ensures that the test type information is captured at the source, eliminating the need for users to remember or manually record precaution adherence, thus preventing information loss.
Solution Approach 2:
The system provides self-service by automatically detecting and marking the test type without requiring user intervention or memory. The meter itself services the information marking function, ensuring reliability without depending on user recall or adherence to precautions.
3Device complexity
If manual recording of test results is used, then device complexity is reduced, but loss of information occurs in data accuracy
Solution Approach 1:
The patent merges the test execution, result measurement, and test type marking functions into a single integrated system. The meter combines the glucose measurement capability with automatic AST/SST detection and marking, eliminating the need for separate manual recording steps while preserving complete information accuracy.
Data Source
AI summary
A meter for determining the concentration of an analyte in a fluid sample comprises a memory device, electrical circuitry and a detection device for distinguishing between an alternative site test and a standard site test. The memory device is adapted to store information. The electrical circuitry is adapted to determine the analyte concentration of the fluid sample located on a test sensor. The electrical circuitry is in electronic communication with the memory device. The electrical circuitry communicates the determined analyte concentration to the memory device for storage.