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研究生：	陳惠媓 Chen, Huei-Huang
論文名稱：	應用血氧量測與路易絲湖量表設計急性高山症穿戴裝置 Design the Wearable Device for Acute Mountain Sickness by Using SpO2 measurement and Lake Louise Score
指導教授：	陳建旭 Chen, Chien-Hsu
學位類別：	碩士 Master
系所名稱：	規劃與設計學院 - 工業設計學系 Department of Industrial Design
論文出版年：	2017
畢業學年度：	105
語文別：	英文
論文頁數：	74
中文關鍵詞：	急性高山症、穿戴裝置、脈搏血氧飽和度、路易斯湖量表
外文關鍵詞：	Acute mountain sickness, Wearable device, Saturation of Peripheral Oxygen, Lake Louise score
相關次數：	點閱：101 下載：0
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每個人在高海拔地區都有機會感受急性高山症，目前對人體無害且快速預防急性高山症的方式是使用血氧濃度與路易絲湖量表，但在登山的過程中使用血氧儀進行量測與記錄是耗費精神與時間的且高山寒冷環境使指間微血管收縮，數值容易失準。
綜觀上述，市售血氧儀皆為居家照顧而設計且穿透式血氧量測技術讓量測部位受限於指尖。為降低急性高山症帶來的痛苦與風險，本研究設計一個結合反射式血氧量測與路易絲湖量自評量表的創新穿戴裝置以預警急性高山症的發生。藉由科技層面的血氧數值了解客觀生理狀況，非科技層面的路易絲湖自評量表了解主觀患病感受並數據化呈現身體狀況，供登山者提早控制病症與評估風險，進而降低意外發生的風險。
本研究結果顯示在四個受試場域中AMS患病率為37.5%，患者多偏重年齡較輕者，而新手患病比例則高於老手。在使用性評價方面，受試者認為使用穿戴裝置事前不需要學習太多知識，更不用技術人員的協助就能自信使用，而壞天氣的使用性評價會高於好天氣。整體而言，在登山期間用穿戴裝置預警急性高山症會比用血氧儀有更好的使用體驗。

Anyone in high-altitudinal areas may experience AMS, and currently, harmless to the human body and the rapid preventive way is measures SpO2 and fills in the Lake Louise Score. However, measurement and recording by an oximeter during hiking are both energy- and time-consuming, while the coldness in high mountains will cause capillary contraction between the fingers, making the measured values inaccurate.
According to the aforementioned, the commercially available oximeters are designed for home care, while the transmissive oximetry restricts the measuring part at the fingertips. In order to reduce the pain and risk caused by AMS, this study has designed an innovative wearable device combining reflectance oximetry and Lake Louise Score to enable AMS early warning. In the objective technical aspects, physical conditions can be understood via SpO2 values. While in the non-technical aspects, patients’ subjective feelings can be understood via the Lake Louise Score. The hikers’ physical condition can be displayed so that the disease can be controlled, and the risks assessed earlier to reduce the risk of accidents.
This study found that the occurrence of AMS was 37.5% in the four fields tested, and a majority of patients were young, as well as novices more susceptible than experts. In terms of usability evaluation, the subjects thought that they could use the wearable device confidently without learning a lot of knowledge beforehand or asking for technical personnel’s assistance. Besides, the score of system usability scale in bad weather was higher than that in good weather. On the whole, wearable devices can provide better user experience than oximeters in AMS early warning during hiking.

摘要	i
SUMMARY	ii
ACKNOWLEDGMENT	iii
TABLE OF CONTENTS	iv
LIST OF TABLES	vi
LIST OF FIGURES	vii
LIST OF SYMBOLS AND ABBREVIATIONS	ix
CHAPTER 1 INTRODUCTION	1
1.1 Background	1
1.2 Motivation	3
1.3 Objective	4
1.4 The Framework and Restrictions of Study	5
CHAPTER 2 LITERATURE REVIEW	7
2.1 Acute Mountain Sickness	7
2.1.1 Self-diagnosis of Acute Mountain Sickness	8
2.1.2 Prevention of Acute Mountain Sickness	10
2.1.3 Summary	12
2.2 Saturation of Peripheral Oxygen	13
2.2.1 Measurement Technology	14
2.2.2 Application	15
2.2.3 Summary	17
2.3 The Wearable Device	18
2.3.1 Design Considerations of Wearable Devices	19
2.3.2 Evaluation of Wearable Device	20
CHAPTER 3 DESIGNS & IMPLEMENTATION	23
3.1 Information and Concept Collection	23
3.1.1 Summary	29
3.2 The Design Process of the Wearable Device	30
3.2.1 Hardware Construction	30
3.2.2 Appearance Design	34
3.2.3 Interface Design	41
CHAPTER 4 EXPERIMENTAL EVALUATIONS	45
4.1 Experimental Design	45
4.1.1 Experimental Field	47
4.1.2 Subjects	49
4.1.3 Experiment Equipment	49
4.1.4 Experimental Process	50
4.2 Experimental Results	51
4.2.1 Subjective Evaluation Result	51
4.2.2 Objective Evaluation Results	54
CHAPTER 5 DISCUSSION	57
5.1 The Wearable Devices Integrated	57
5.2 Factors Influencing AMS	59
5.3 Users’ Subjective Feelings	60
5.4 Signal Detection Theory and SpO2	61
5.5 How to Conduct Experiment	62
CHAPTER 6 CONCLUSION	64
REFERENCE	66
Appendix A: The Lake Louise score	72
Appendix B: System Usability Scale of Control Group	73
Appendix C: System Usability Scale of Experiment Group	74

                                    

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