Study on surface modification and biocompatibility of NiTi alloy intravascular stents.
- Author:
Yang SHEN
1
;
Gui-xue WANG
;
Xue-jun QUAN
;
Qing-song YU
Author Information
1. Bioengineering College of Chongqing University and the State Key Lab. on Biomechanics & Tissue Engineering of the Education Ministry, Chongqing.
- Publication Type:Journal Article
- MeSH:
Alloys;
Angioplasty, Balloon, Coronary;
instrumentation;
Biocompatible Materials;
Nickel;
Stents;
Surface Properties;
Titanium
- From:
Chinese Journal of Medical Instrumentation
2006;30(1):3-38
- CountryChina
- Language:Chinese
-
Abstract:
This paper introduces the surface modification of NiTi alloy intravascular stents for roughness by chemical erosion and plasma deposition technology. The stent which had been granulated with chemical erosion was treated with TiO2 film prepared with Gel-sol. The study on the biocompatibility of the modified stent by the above two ways shows that the modified stent is rougher, and its anticoagulation and hydrophilicity are improved. However, the capability of erosion resistance is not enhanced significantly.
