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Method and system for improving the effectiveness of medical stents by the application of gas cluster ion beam technology
Method and system for improving the effectiveness of medical stents by the application of gas cluster ion beam technology
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机译:应用气体团簇离子束技术提高医用支架有效性的方法和系统
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摘要
Numerous studies suggest that the current popular designs of coronary stents are functionally equivalent and suffer a 16 to 22 percent rate of restenosis. Although the use of coronary stents is growing, the benefits of their use remain controversial in certain clinical situations or indications due to their potential complications. The application of gas cluster ion beam (GCIB) surface modification such as smoothing or cleaning appears to reduce these complications and lead to genuine cost savings and an improvement in patient quality of life. The present invention is directed to the use of GCIB surface modification to overcome prior problems of thrombosis and restenosis. The atomic level surface smoothing of stents utilizing GCIB substantially reduces undesirable surface micro-roughness in medical coronary stents.
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