ASTM F2077 脊椎椎間體融合器的特性分析及疲勞性
椎間體融合器用於椎間盤退化後的脊柱手術，用於促進活動脊柱節段融合。在兩個椎間盤長到一起並使脊柱融合的過程中，該植入物作為前柱支撐用。椎間體融合術是椎間盤置換術的替代技術。
ASTM F2077 - 03 「椎間體融合器的測試方法」指定了一定數量的靜態和動態測試，以提供不同融合器之間的機械比較。測試包含：
- 軸向壓縮
- 壓縮剪切
- 扭轉測試
像是 8874 液壓伺服或 ElectroPuls E10000 線性扭轉全電動式動態測試儀器的軸向扭轉系統，使製造商和研究人員進行一系列植入物設計的靜態和疲勞測試。這些系統結合了溫控浴，提供一個穩定的環境以模擬體內條件。
使用特殊的測試夾具，與 8874 或 E10000 的橫樑上的軸向扭轉致動器相連接，可以實現軸向壓縮、壓縮剪切或壓縮扭轉等測試模式下的試驗。我們的測試系統中可以將Biaxial Dynacell™ 荷重元安裝到軸向扭轉致動器的末端並自動補償慣性負載產生的誤差。
對椎間體融合器測試的替代方法的在 ASTMF2267 規範中有明確說明。
建議您檢閱規格，以充分了解其需求。
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