Electronic Sphygmomanometer with Adaptive Pressurization Control
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Solution Overview
Problem
Conventional electronic sphygmomanometers typically use only one measurement method (either pressurization or depressurization) for blood pressure measurement, which does not allow for flexible switching based on individual user needs, such as pregnancy or arm thickness, potentially leading to inaccurate or uncomfortable measurements.
Innovation Solution
An electronic sphygmomanometer with a control unit that determines the appropriate measurement method (pressurization or depressurization) based on user input, past blood pressure values, and biological conditions, allowing for flexible switching between methods to suit each user.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If only one measurement method (pressurization or depressurization) is mounted in the sphygmomanometer, then the device complexity is reduced, but the adaptability to different user needs (pregnant women, thick arms) deteriorates
Solution Approach 1:
The sphygmomanometer is designed to incorporate both pressurization measurement method and depressurization measurement method, enabling the device to function with multiple measurement approaches. The control unit automatically selects the appropriate method based on user characteristics (pregnant women, thick arms, etc.), making the device universally adaptable to different user needs without requiring separate devices for each measurement type.
2Adaptability or versatility
If both measurement methods are mounted with automatic switching, then the adaptability to different users is improved, but the device complexity increases
Solution Approach 1:
The control unit is programmed with determination logic that automatically identifies user characteristics (such as pregnant women or individuals with thick arms) and autonomously selects the most appropriate measurement method. This self-service approach eliminates the need for manual configuration by users, reducing the perceived complexity while maintaining high adaptability. The system serves itself by making intelligent decisions based on pre-programmed criteria.
Solution Approach 2:
The measurement method selection is made dynamic rather than static. The control unit can switch between pressurization and depressurization methods based on real-time determination of user characteristics. This dynamic adaptation allows the device to optimize performance for each user without requiring complex manual setup, as the system automatically adjusts its measurement approach.
3Loss of time
If the depressurization measurement method is used for pregnant women, then the measurement time is reduced, but the measurement accuracy deteriorates due to blood stasis
Solution Approach 1:
The control unit performs preliminary determination of user characteristics (such as pregnancy status) before initiating the measurement process. Based on this preliminary assessment, the system pre-selects the most appropriate measurement method. For pregnant women, the control unit identifies them in advance and automatically applies the pressurization measurement method, preventing blood stasis issues before they occur and ensuring both accuracy and appropriate measurement time.
4Loss of time
If the depressurization measurement method is used for individuals with thick arms, then the measurement time is reduced, but the measurement accuracy deteriorates
Solution Approach 1:
The control unit performs preliminary determination of arm thickness before measurement. Based on this preliminary assessment, the system pre-selects the pressurization measurement method for individuals with thick arms. This preliminary action ensures that the appropriate method is chosen in advance, preventing measurement accuracy deterioration while optimizing measurement time for each user's specific characteristics.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables accurate and comfortable blood pressure measurements by selecting the most suitable method for each user, reducing measurement time and pain, and improving measurement accuracy for pregnant women and individuals with thicker arms.
Implementation Method 1
electronic sphygmomanometer for measuring a blood pressure according to an oscillometric method
Data Source
AI summary
A blood pressure measurement control method for controlling the measurement of a blood pressure according to an oscillometric method has the steps of determining whether to employ a depressurization measurement method or a pressurization measurement method to measure the blood pressure according to a person to be measured, performing a measurement process of the blood pressure in a depressurization process when determined to measure the blood pressure with the depressurization measurement method, performing a measurement process of the blood pressure in a pressurization process when determined to measure the blood pressure with the pressurization measurement method, and outputting the measured blood pressure value.