非晶質金屬生物植體之腐蝕活性分析方法METHOD FOR ANALYZING CORROSION ACTIVITY OF AMORPHOUS METALLIC BIO-IMPLANT

專利類型

發明

專利國別 (專利申請國家)

中華民國

專利申請案號

101115381

專利證號

I 452292

專利獲證名稱

非晶質金屬生物植體之腐蝕活性分析方法METHOD FOR ANALYZING CORROSION ACTIVITY OF AMORPHOUS METALLIC BIO-IMPLANT

專利所屬機關 (申請機關)

國立中山大學

獲證日期

2014/09/11

技術說明

一種非晶質金屬生物植體之腐蝕活性分析方法，其包含：提供一與生物體組織液成分相當之測試溶液；將一多成分之非晶質金屬樣本置入該測試溶液中做為一工作電極；另將一輔助電極置入該測試溶液中，用以在該測試溶液中施加一電壓並改變該電壓；利用一電流量測單元分別電性連接該工作電極及該輔助電極，以便在該電壓改變期間記錄該工作電極之一電流變化曲線；以及分析該工作電極之電流變化曲線，以判斷該非晶質金屬樣本是否具有腐蝕活性。藉此，即可在研發設計多成分之非晶質金屬生物植體期間進行快速材料篩選及預測材料之長期生物安定性。 A method for analyzing corrosion activity of amorphous metallic bio-implant is provided and includes steps of: providing a test solution equivalent to compositions of a tissue fluid of an organism; placing a multi-component amorphous metallic sample into the test solution as a working electrode; further placing a counter electrode into the test solution to apply and vary an electrical potential; electrically connecting a current detection unit to the working electrode and the counter electrode, respectively, so as to record a current variation curve of the working electrode during the electrical potential is varied; and analyzing the current variation curve of the working electrode to determine if the amorphous metallic sample has corrosion activity. Thus, during developing and designing a multicomponent amorphous metallic bio-implant, the material thereof can be rapidly sieved and the long-term bio-stability of the material can be predicted.

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