Portable Analytical Device with Standardized USB Interface
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Solution Overview
Problem
Conventional blood glucose measuring devices are cumbersome and require frequent updates due to non-standardized interfaces and hardware changes, making them difficult for patients to operate and requiring repeated approval and registration for medical use.
Innovation Solution
A portable, patient-operable analytical device with a standardized wire-based computer interface that allows for data transmission and power supply via USB, eliminating the need for an intrinsic user interface and enabling operation through a connected computer, which can support visually impaired users with adaptive display options.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional blood glucose measuring devices use non-standardized interfaces and hardware, then device functionality can be customized, but device complexity increases and frequent updates are required
Solution Approach 1:
The patent applies universality by implementing a standardized USB interface that allows the blood glucose measuring device to communicate with various computers and operating systems without requiring custom interface implementations. This single standardized interface replaces multiple proprietary interfaces, reducing complexity while maintaining adaptability across different computing platforms.
2Ease of operation
If conventional blood glucose measuring devices include intrinsic user interface components, then device can operate independently, but device size and manufacturing cost increase
Solution Approach 1:
The patent extracts the user interface functionality from the blood glucose measuring device itself and relocates it to the computer system. The measuring device only retains the essential measurement and data transmission functions via USB, while the computer handles display, user interaction, and data management. This extraction reduces the measuring device to a compact form factor.
3Reliability
If conventional blood glucose measuring devices use proprietary interfaces, then device performance can be optimized, but repeated approval and registration are required for medical use
Solution Approach 1:
The patent leverages the universally accepted USB standard, which already has established safety and reliability certifications. By using this pre-certified interface standard instead of developing proprietary interfaces, the device benefits from existing approval frameworks, reducing the time and effort required for medical device registration while maintaining measurement reliability through standardized communication protocols.
Data Source
AI summary
A portable analytical device includes a housing, a measuring facility and a processor in the housing, and an electrical connector having one end electrically connected to the processor and an opposite end operatively connectable to an external electronic device. The measuring facility is configured to analyze a change in a test element resulting from receipt thereon of a liquid sample of a body fluid and to generate measuring values resulting from the analysis. A memory has instructions stored therein executable by the processor to process the measuring values to generate analytical measuring data based thereon and to output the generated analytical measuring data onto the electrical connector. The analytical device does not include an intrinsic user interface for displaying the generated analytical measuring data. Display of the generated analytical measuring data is implemented exclusively by the external electronic device having received the generated analytical measuring data via the electrical connector.