Biodegradable magnesium alloy blood vessel rack
A magnesium alloy blood vessel and biodegradation technology, applied in stents, medical science, prostheses, etc., can solve problems such as acute or chronic inflammatory reactions, uncertain plastic deformation points of polymers, and disordered growth of vascular endothelial cells. Achieving excellent mechanical properties, good biocompatibility, and grain refinement
Active Publication Date: 2007-01-03
LIAONING YINYI BIOTECH CO LTD
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Abstract
The biodegradable magnesium alloy blood vessel rack consists of magnesium in 60-95 wt% and other metals, including RE, for the rest. Metal magnesium as the basic material has excellent tissue compatibility and blood compatibility, and the added other metal, including RE, elements raise and improve the comprehensive performance, especially mechanical strength, plasticity, degradability and biocompatibility. The magnesium alloy blood vessel rack has tensile strength of 200-300 MPa, elastic module of 10-50 GPa, elongation at break of 2-10%and degrading half life of 6-18 weeks. Most of the degraded metal ions are drained through renal tubules while small part being utilized by human body.
Application Domain
StentsSurgery +1
Technology Topic
Half-lifeRenal tubule +13
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PUM
Property | Measurement | Unit |
Tensile strength | 220.0 | mPa |
Elastic modulus | 20.0 | GPa |
Tensile strength | 270.0 | mPa |
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