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相關文獻
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頁籤選單縮合
題名 | 手掌骨折內外固定器之力學測試=Dynamic Loading in Small Bone Fixators |
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作者 | 周伯禧; 林高田; 林森源; 周有禮; 何金山; 江宏達; | 書刊名 | 中華醫學工程學刊 |
卷期 | 18:3 1998.09[民87.09] |
頁次 | 頁177-181 |
分類號 | 416.26 |
關鍵詞 | 骨折; 固定器; 剛度; Spinal traction; Spinal cord; Spinal injury; |
語文 | 中文(Chinese) |
中文摘要 | 為了比較迷你內固定器和迷你外固定器之間的機械強度,本實驗以材質均勻的楓 木空管模擬手部小骨做反覆彎曲的動態疲乏測試, 植入( 1 ) Aesculap 迷你外固定器、 ( 2 )迷你 A-O 骨板及( 3 )交叉鋼針。 並設計( 1 )平切斷面、( 2 )斷面留 2mm 間隙及( 3 ) 45 °斜切來模擬穩定性骨折,不穩定性骨折及螺旋型骨折。在 INSTRON 材 料試驗機分別做彎曲的負荷測試。 動態疲乏實驗資料經統計之變異數分析( ANOVA )及成對資料分析( Tukey pairwise comparison ),發現在不同的骨折斷面中,剛度以 Aesculap 的迷你外固定器最好( p < 0.01 );迷你骨板次之。而如預期的,交叉剛針的機械強度是最弱的( p < 0.01 )。本 研究提供了不同迷你內、外固定器旳機械強度測試比較,然而固定器的選擇仍需考慮其適應 性,才能減少併發症。 |
英文摘要 | Spinal traction device is an important instrument for initial treatment and rehabilitation of the acute thoracic and/or lumbar spinal injury. Spinal traction has been frequently used in acute fractures or fracture dislocations for immediate stabilization of the spine and correction of the spinal deformity; and thus protecting the neural element from further damage. Conventional halo-femoral traction device with free-hanging weights always cause discomfort, complicate transport and diagnostic procedures and may lead to additional risks of the unstable spine with compromise of the cord function. This suggests that improved design is needed for a more effective traction instrument. Therefore, an improved design may lowed the risk of complications. The purpose of this proposal is to improve traction design and develop an effective spinal traction apparatus for initial treatment and rehabilitation of the acute thoracic and/or lumbar spinal injury. A self-confined, portable skull-femoral and halo-femoral traction apparatus, which is able to stabilize the injured spine and aid in spinal alignment through continuous adjustable elastic tension, will be designed for acute treatment of fractures and fracture dislocations of the thoracolumbar injury prior to surgical intervention. The new prototype design will be compatible with regular hospital beds, CT scanners, MR imagers, X-ray and operating tables. The adjustable traction device can be applied continuously in the close reduction of the spinal fractuer. Not only this will provide more comfort for the patients, it will also reduce the possible risk of further injury to the spinal cord. Therefore, we have developed a more effective spinal traction instrument. The purpose of this study to is to evaluate the efficacy of this tractional device clinically. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。