Blood Pressure Display Device Range Classification
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Solution Overview
Problem
Conventional electronic sphygmomanometers fail to display blood pressure information when measured values deviate from preset measurement ranges, leading to a lack of information for users even during normal measurement operations.
Innovation Solution
A blood-pressure-related information display device that classifies measured values into three ranges: a first range for normal values, a second range for values that can be exhibited by humans, and a third range for abnormal values, allowing for the display of deviation information or measured values in the second range and an indication of measurement error in the third range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the sphygmomanometer displays an indication of measurement error when measured values deviate from the preset measurement range, then measurement reliability is improved, but information availability deteriorates
Solution Approach 1:
The patent segments the measurement value evaluation into three distinct ranges: a first range (preset measurement range for guaranteed accuracy), a second range (extended range with deviation indication), and a third range (error indication). This segmentation allows the system to provide differentiated information based on the measured value's position, resolving the contradiction by preserving information availability while maintaining reliability through structured classification.
Solution Approach 2:
The patent applies local quality by providing different types of information display based on the specific range in which the measured value falls. Within the first range, full measurement information is displayed with high reliability. In the second range, deviation information is provided to indicate extended range measurement. In the third range, error indication is shown. This localized quality approach ensures that information availability is optimized for each specific measurement scenario.
2Measurement precision
If the sphygmomanometer uses a preset measurement range for guaranteed accuracy, then measurement precision is improved, but adaptability deteriorates
Solution Approach 1:
The patent introduces dynamics by creating a flexible, multi-range measurement system that adapts to different measurement scenarios. The first range maintains preset accuracy standards, while the second range dynamically extends measurement capability with deviation indication. This dynamic structure allows the sphygmomanometer to adapt to various blood pressure conditions (including nighttime measurements) while preserving measurement precision through structured range classification.
Solution Approach 2:
The patent applies parameter changes by modifying the measurement range parameters from a single fixed range to a multi-range system. The first range preserves the original precision-guaranteed parameters, while the second range extends the measurement parameters with deviation indication. This parameter transformation enables the device to handle diverse measurement scenarios while maintaining accuracy through differentiated range management.
Data Source
AI summary
A blood-pressure-related information display device determines whether a measured value is classified into any of a first range preset in a specification, a second range preset adjacent to a side lower than the first range, and a third range preset adjacent to a side lower than the second range. On a display screen, the measured value is displayed when the measured value is classified into the first range, deviation information indicating that the measured value is classified into the second range or the measured value in addition to the deviation information is displayed when the measured value is classified into the second range, and an indication of measurement error is displayed when the measured value is classified into the third range.