基于节律特征的多维夜尿行为监控系统

The multidimensional nocturia behavior monitoring system based on rhythm characteristics solves the problems of accuracy and real-time intervention in traditional nocturia monitoring methods, realizes a high degree of digitalization and refined characterization of nocturia symptoms, and provides personalized disease screening and management methods.

CN121867795BActive Publication Date: 2026-07-17NORDAS (HANGZHOU) TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NORDAS (HANGZHOU) TECHNOLOGY CO LTD
Filing Date
2026-03-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional methods of monitoring nocturia cannot characterize the structure of urination rhythms, lack calculable digital phenotypes, and cannot be deeply integrated with AI. Existing devices ignore fine-grained features of nocturia rhythms, resulting in inaccurate monitoring and an inability to achieve real-time intervention and early disease screening.

Method used

A multidimensional nocturia behavior monitoring system based on rhythm features is adopted, including modules for data acquisition, rhythm feature extraction, urine volume dynamics modeling, cluster monitoring, and real-time feedback. Data is collected in real time through IoT devices, calculating the nocturia frequency index, time concentration, and urine volume acceleration index. Individual automatic clustering is performed using a Gaussian mixture model, and real-time feedback and hierarchical alarms are achieved through radar charts and indicator cards.

Benefits of technology

It achieves a highly digitized and refined representation of nocturia behavior, provides a dynamic basis for clinical judgment, automatically identifies people with significant clinical characteristics, improves the efficiency of early disease screening and chronic disease management, and provides immediate behavioral suggestions or medical warnings.

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Abstract

本发明公开了基于节律特征的多维夜尿行为监控系统,涉及生物医学信号处理技术领域,具体包括:数据采集模块、节律特征提取模块、尿量动力学建模模块、聚类监控模块以及实时反馈模块;通过IoT设备实时采集个体数据并进行预处理;基于个体数据计算夜尿频率指数、夜尿时间集中度、排尿间隔节律变异系数及偏移指数并进行节律特征提取;通过对夜间累计尿量进行二次多项式最小二乘法拟合,利用所得二阶导数计算尿量加速指数量化尿量生成趋势;通过构建并预处理夜尿多维数字表型向量矩阵,基于贝叶斯信息准则的期望最大化算法拟合高斯混合模型,依据簇中心特征将个体自动映射为四类亚型,输出个体亚型标签及置信度;通过归一化风险评估获取综合风险评分。
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