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請用此 Handle URI 來引用此文件: http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/69397
完整後設資料紀錄
DC 欄位值語言
dc.contributor.advisor施文彬(Wen-Pin Shih),劉建豪(Chien-Hao Liu)
dc.contributor.authorHsing-Yu Chenen
dc.contributor.author陳星宇zh_TW
dc.date.accessioned2021-06-17T03:14:39Z-
dc.date.available2021-08-17
dc.date.copyright2018-08-17
dc.date.issued2018
dc.date.submitted2018-07-10
dc.identifier.citationReference
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dc.identifier.urihttp://tdr.lib.ntu.edu.tw/jspui/handle/123456789/69397-
dc.description.abstract本研究提出一種可攜式、即時且易於操作之急救用血流狀態監測裝置,可即時監測病患的動脈內血壓與血流速度。針對心臟驟停的患者施予心肺復甦術的過程中,需要以手指碰觸患者的頸動脈以探測脈搏,方能確認其恢復狀況。然而此方法缺乏量化之標準,需要依靠專業醫護人員的經驗,並且時常發生誤判的情況。因此,本研究根據人體血液循環系統的特性,利用光體積變化掃描器與自行設計的壓阻式脈波感測器,並設計後端電路與演算法以擷取、分析脈搏波型,整合為可量測手部與頸部動脈之脈波傳播速率的裝置。本研究利用此裝置量測受試者之血壓與血液流速,並分析其與脈波傳播速率的關係且建立其理論模型。本論文提出一套非侵入式血流狀態探測系統,期未來能整合於現行的急救裝置中。zh_TW
dc.description.abstractIn this thesis, we proposed a real-time blood-flow-monitoring system with the merits of being portable and easy-to-operate for medical emergency applications. This device was designed to measure the patients’ blood pressures and arterial blood flow velocities via a non-invasive measuring approach. In most circumstances of performing cardiopulmonary resuscitation (CPR) to cardiac arrest patients, rescuers are required to palpate the patients’ carotid arteries to detect the recovery status. However, this method is unreliable due to the lack of quantitative standards and frequent misjudgments. Therefore, based on the characteristics of human blood circulation system, we adopt photoplethysmogram (PPG) sensors, a new design of piezoresistive arterial pulse sensors (APS), the signal processing circuits, and heartbeat waveform analyzing algorithms. By integrating these technics, we proposed a device that measured peripheral pulse wave velocities (PWV) at hands and necks of humans. We furthermore measured blood pressures and blood flow velocities from different subjects and analyzed the relations. In conclusion, we presented a non-invasive real-time blood-flow-monitoring system and it is expected to be integrated with the current emergency devices for practical medial resuscitations.en
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Previous issue date: 2018
en
dc.description.tableofcontents誌謝 i
中文摘要 ii
ABSTRACT iii
SYMBOL TABLE iv
CONTENTS vii
LIST OF FIGURES ix
LIST OF TABLES xiii
Chapter 1 Introduction 1
1.1 Overview of emergency medicine 1
1.2 Overview of present predicaments 2
Chapter 2 Overview of human blood circulatory system 5
2.1 Overview of blood flow mechanism 5
2.2 Overview of common blood flow measurements 12
Chapter 3 Overview of pulse wave velocity method17
3.1 PWV and Moens-Korteweg equation 17
3.2 Pulse wave detection 20
3.3 Relation between PWV and blood pressure 23
3.4 Relation between PWV and blood flow velocity27
Chapter 4 Piezoresistive arterial pulse sensor 28
4.1 Design of strain sensing pulsimeter 28
4.2 Design of pulsimeter driving circuit 37
4.3 System validation 46
Chapter 5 Photoplethysmogram sensor 48
5.1 Introduction of photoplethysmogram sensor 48
5.2 Design of photoplethysmogram sensor driving circuit 55
5.3 System validation 60
Chapter 6 System integration and pulse wave analysis 61
6.1 Data acquisition 61
6.2 Design of proposed algorithm 62
Chapter 7 APS - PPG measurement 75
7.1 Measurement model on hands 75
7.2 Measurement model on necks 78
7.3 Results and validation 80
Chapter 8 Dual APS measurement 88
8.1 Measurement model on hands 88
8.2 Measurement model on necks 92
8.3 Results and validation 94
Chapter 9 Dual APS - PPG measurement 96
9.1 Measuring blood flow velocity from pressure difference 96
9.2 Measurement model on hands 98
9.3 Measurement model on necks 100
9.4 Results and validation 102
Chapter 10 Conclusion and future works 109
10.1 Conclusion 109
10.2 Future works 112
Reference 113
dc.language.isoen
dc.subject心肺復甦術zh_TW
dc.subject脈搏傳播速度zh_TW
dc.subject壓阻式感測器zh_TW
dc.subject光體積變化掃描器zh_TW
dc.subject血壓zh_TW
dc.subject血流流速zh_TW
dc.subjectblood flow velocityen
dc.subjectpulse wave velocity (PWV)en
dc.subjectpiezoresistive sensorsen
dc.subjectblood pressureen
dc.subjectphotoplethysmogram (PPG)en
dc.subjectcardiopulmonary resuscitation (CPR)en
dc.title壓阻式感測器與脈波傳播速率量測用於研發非侵入式即時血流監測系統zh_TW
dc.titleExploiting piezoresistive sensor and pulse wave velocity measurements for developing a non-invasive real-time blood flow monitoring systemen
dc.typeThesis
dc.date.schoolyear106-2
dc.description.degree碩士
dc.contributor.oralexamcommittee施博仁(Po-Jen Shih),胡毓忠(Yuh-Chung Hu)
dc.subject.keyword心肺復甦術,脈搏傳播速度,壓阻式感測器,光體積變化掃描器,血壓,血流流速,zh_TW
dc.subject.keywordcardiopulmonary resuscitation (CPR),pulse wave velocity (PWV),piezoresistive sensors,blood pressure,photoplethysmogram (PPG),blood flow velocity,en
dc.relation.page123
dc.identifier.doi10.6342/NTU201801285
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dc.date.accepted2018-07-10
dc.contributor.author-college工學院zh_TW
dc.contributor.author-dept機械工程學研究所zh_TW
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