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Title: Study of heat-setting treatment for biomedical polydioxanone stents
Authors: Li, G
Li, Y 
Lan, P
He, XW
Zhao, Z
Li, Z
Hu, H 
Keywords: Heat-setting
Intestinal stents
Mechanical properties
Issue Date: 2016
Publisher: SAGE Publications
Source: Journal of industrial textiles, 2016, v. 46, no. 1, p. 75-87 How to cite?
Journal: Journal of industrial textiles 
Abstract: This paper presents a study of heat-setting treatment on tubular polydioxanone stents which can be used as intestinal implants. Two PDO monofilaments with linear densities of 100 ± 2 and 150 ± 2 tex respectively were used for producing a set of weft-knitted tubular stents using a small-diameter, circular weft knitting machine. The heat-setting treatment was used for the stents to restore a tubular shape. The physical, mechanical and thermal properties of the stents were examined before and after the heat-setting treatment. The results of mechanical testing illustrated that the prototype stents in this work could achieve higher radial forces than Wall stents and Z stents on the market. The heat setting with temperature of 80℃ and time of 5 min were found to be more appropriate for the stents. In conclusion, the stents were successfully developed and have potential application for the treatment of intestinal stenosis or obstruction.
ISSN: 1528-0837
EISSN: 1530-8057
DOI: 10.1177/1528083715576317
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