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Collapse pressures of biodegradable stents

Paper ID Volume ID Publish Year Pages File Format Full-Text
12667 808 2003 7 PDF Available
Title
Collapse pressures of biodegradable stents
Abstract

Biodegradable stent prototypes were produced from poly l-lactic acid polymers with different molecular weights. The effects of molecular weight, drug incorporation and stent design on the collapse pressure of the stents were evaluated. While molecular weights did not show a significant effect on the collapse pressure of the stents, drug incorporation at high percentage decreased the collapse pressure of the stents substantially. Cryogenic fracture surfaces showed significant drug agglomeration as the concentration increased. The design of the stent was also found to a have significant effect on the collapse pressure. The stent produced from the same material has a higher collapse pressure when the load bearing surface area is increased.

Keywords
Coronary stents; Biodegradable; Helical; Mechanical properties; PLLA
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Collapse pressures of biodegradable stents
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 24, Issue 12, May 2003, Pages 2105–2111
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us