Document Detail

Characterization and in vivo evaluation of a bio-corrodible nitrided iron stent.
MedLine Citation:
PMID:  23183963     Owner:  NLM     Status:  Publisher    
A bio-corrodible nitrided iron stent was developed using a vacuum plasma nitriding technique. In the nitrided iron stents, the tensile strength, radial strength, stiffness and in vitro electrochemical corrosion rate were significantly increased compared with those of the control pure iron stent. To evaluate its performance in vivo, the deployment of the nitrided iron stents in juvenile pig iliac arteries was performed. At 3 or 6 months postoperatively, the stented vessels remained patent well; however, slight luminal loss resulting from intimal hyperplasia and relative stenosis of the stented vessel segment with piglets growth were observed by 12 months; no thrombosis or local tissue necrosis was found. At 1 month postoperatively, a nearly intact layer of endothelial cells formed on the stented vessel wall. Additionally, a decreased inflammation scoring, considerably corroded struts and corrosion products accumulation were seen. These findings indicate the potential of this nitrided iron stent as an attractive biodegradable stent.
Qimao Feng; Deyuan Zhang; Chaohua Xin; Xiangdong Liu; Wenjiao Lin; Wanqian Zhang; Sun Chen; Kun Sun
Related Documents :
24454923 - Sodium-coupled neutral amino acid transporter 1 (snat1) modulates l-citrulline transpor...
25443603 - Size of distal radial and distal ulnar arteries in adults of southern rajasthan and the...
2980623 - A non-invasive doppler ultrasound method for the evaluation of patients with subarachno...
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-27
Journal Detail:
Title:  Journal of materials science. Materials in medicine     Volume:  -     ISSN:  1573-4838     ISO Abbreviation:  J Mater Sci Mater Med     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9013087     Medline TA:  J Mater Sci Mater Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Cardiology, Shanghai Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200071, China.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Galactose substituted zinc phthalocyanines as near infrared fluorescence probes for liver cancer ima...
Next Document:  Retinal white blood cell flux and systemic blood pressure in patients with type 1 diabetes.