| 研究生: |
林后勳 Hou-Hsun Lin |
|---|---|
| 論文名稱: |
超音波影像即時震波導引 |
| 指導教授: |
曾清秀
Ching-Shiow Teseng |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 機械工程學系 Department of Mechanical Engineering |
| 畢業學年度: | 92 |
| 語文別: | 中文 |
| 論文頁數: | 57 |
| 中文關鍵詞: | 超音波影像 、即時導引 、震波定位治療 |
| 相關次數: | 點閱:11 下載:0 |
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在傳統震波治療醫師以超音波探頭偵測病灶,利用不同角度的掃描病灶面決定治療方位然後在皮膚上畫記號,其方式並不容易將震波焦距精確地對準於欲治療的病灶上,使得往往要重覆治療多次病灶才能痊癒。或以機構方式來固定震波探頭與超音波探頭間的位置關係,雖然能達成精確的定位治療,但整體系統也相對的昂貴。
本研究以發展一套超音波影像為主的電腦輔助震波導引系統,整合磁場式空間定位裝置,由定位裝置量測震波焦距與超音波影像之目標物間的空間位置,系統藉由不斷更新的超音波影像與震波焦距位置資訊顯示於螢幕上,協助醫師調整震波探頭至最佳治療方位。而定位裝置與震波焦距或與超音波影像的轉換校準是利用基因法則,以此找出各座標系間的轉換關係。再藉由轉換關係,將震波焦距和影像病灶之空間位置轉至同一座標系中,系統經運算提供兩者的方位關係來達到導引的目的。在避開震波干擾的條件下,系統經多次實驗結果顯示其定位精度在4mm內,應適用於震波的治療使用
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