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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 呂東武 | zh_TW |
| dc.contributor.advisor | Tung-Wu Lu | en |
| dc.contributor.author | 沈家穎 | zh_TW |
| dc.contributor.author | Chia-Ying Shen | en |
| dc.date.accessioned | 2023-08-16T16:31:10Z | - |
| dc.date.available | 2023-11-09 | - |
| dc.date.copyright | 2023-08-16 | - |
| dc.date.issued | 2023 | - |
| dc.date.submitted | 2023-08-08 | - |
| dc.identifier.citation | Raetz, J., M. Wilson, and K. Collins, Varicose veins: diagnosis and treatment. American Family Physician, 2019. 99(11): p. 682-688.
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/88955 | - |
| dc.description.abstract | 下肢靜脈曲張(Varicose veins)為現代最常見的一種疾病之一，長期站立及久 坐在下肢靜脈曲張的發生中扮演重要的角色。根據統計，約有 20%的患者兩年內 無法痊癒，更有 66%的患者經歷潰瘍後超過 5 年無法康復。由於症狀輕微時不易 察覺而被許多患者輕忽，直到造成嚴重併發症後才就診，抑或就診後無持續保養與 改善生活習慣，導致嚴重深層靜脈栓塞(Deep vein thrombosis)使得致死風險增加。
過去研究，針對靜脈曲張之保守治療多使用醫療用壓力襪。若踝關節位置的壓 力並非整個壓力襪壓力分佈最大之處，便無法造成適當的壓力梯度，使得靜脈血液 得以回流。然而目前尚未有文獻能精確地以非接觸式量測人體穿上壓力襪後是否 能夠受到梯度壓力。 數位影像相關法為近來新興技術之一，其量測原理為利用數值分析比對變形 前後之影像，以獲得影像上欲量測之關注區域 (Region Of Interest, ROI) 的位移與 應變等資訊。因此，本計畫利用數位影像相關法研究壓力襪施加於小腿的表面應變 分佈，探討壓力襪對於不同腿型之影響以及壓力梯度是否適合穿戴者。 本研究成功地測量到壓力襪下皮膚的表面應變。且觀察到在不同分級壓力襪 以及性別差異下，到個體間小腿表面應變可能存在差異，並且穿著不同級別壓力襪 的小腿應變表現有所不同。這些結果為壓力襪的選擇和使用提供實際參考的價值。 | zh_TW |
| dc.description.abstract | Varicose veins are a common condition in the lower extremities, worsened by prolonged standing and sitting. Medical compression stockings are a conservative treatment, applying graduated pressure from the ankle to the shank to promote venous blood flow. However, non-contact methods to accurately measure the gradient pressure's effectiveness after wearing compression stockings remain lacking in the literature.
Digital Image Correlation (DIC) is a non-contact optical measurement technique used to quantify the full-field surface deformation and strain of an object. Therefore, the study uses the digital image correlation method to measure the surface strain distribution of the lower legs in the compression stockings and explore the impact of leg shapes in the different compression stockings. This study successfully measured the surface strain of the skin under compression stockings. Variances in individual strain responses were noted across different levels of compression stockings and between genders, leading to distinct shin strain patterns based on the chosen compression level. These findings offer valuable practical insights for the appropriate selection and utilization of compression stockings. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2023-08-16T16:31:10Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2023-08-16T16:31:10Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | 摘要 I
ABSTRACT III 目錄 IV 圖目錄 VI 表目錄 VIII 第一章 緒論 1 第一節 研究背景 1 第二節 文獻回顧 3 第三節 研究目的 8 第二章 材料與方法 9 第一節 受試者 9 第二節 實驗設備與儀器 10 第三節 實驗流程 11 第四節 相機校正 14 第五節 數位影像相關法原理 17 第六節 三維重建 29 第七節 應變計算 30 第八節 三維重建誤差量化 32 第九節 統計分析 33 第三章 結果 34 第一節 三維重建之精確度 34 第二節 形狀錯配指標 35 第三節 穿著壓力襪之重複性 37 第四節 不同分級壓力襪下之小腿表面應變 41 第五節 不同腿型對於小腿表面應變之影響 45 第四章 討論 48 第一節 三維重建之精確度 48 第二節 形狀錯配指標 48 第三節 穿著壓力襪之重複性 49 第四節 不同分級壓力襪下小腿之表面應變 50 第五節 不同腿型對於小腿表面應變之影響 51 第五章 結論 52 參考文獻 53 | - |
| dc.language.iso | zh_TW | - |
| dc.title | 利用數位影像相關法量測穿著壓力襪下小腿之 表面應變 | zh_TW |
| dc.title | Measuring Surface Strains of the Lower Leg in Compression Stockings Using Digital Image Correlation Technique | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 111-2 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 林正忠;彭志維 | zh_TW |
| dc.contributor.oralexamcommittee | Cheng-Chung Lin;Chih-Wei Peng | en |
| dc.subject.keyword | 靜脈曲張,壓力襪,數位影像相關法,表面應變, | zh_TW |
| dc.subject.keyword | Varicose veins,Compression stockings,Digital image correlation method (DIC),Surface strain, | en |
| dc.relation.page | 56 | - |
| dc.identifier.doi | 10.6342/NTU202303514 | - |
| dc.rights.note | 同意授權(限校園內公開) | - |
| dc.date.accepted | 2023-08-09 | - |
| dc.contributor.author-college | 工學院 | - |
| dc.contributor.author-dept | 醫學工程學系 | - |
| dc.date.embargo-lift | 2028-08-08 | - |
| 顯示於系所單位： | 醫學工程學研究所 | |
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