申请人:Bezwada Rao S.
公开号:US20090292029A1
公开(公告)日:2009-11-26
Novel bioabsorbable and/or biocompatible polyurethanes, polyureas, polyamideurethanes and polyureaurethanes with tunable physical, mechanical properties and hydrolytic degradation profiles are provided for use in biomedical applications such as stents, stent coatings, scaffolds, foams, and films. The disclosed polymers may be derived from biocompatible and/or bioabsorbable polyisocyanates. The present invention also relates to new and improved methods for the preparation of the biocompatible and/or bioabsorbable polyisocyanates.
提供了一种新型的可生物吸收和/或生物相容的聚氨酯、聚脲、聚酰胺-聚氨酯和聚脲-聚氨酯,具有可调节的物理、机械性能和水解降解特性,可用于生物医学应用,如支架、支架涂层、支架、泡沫和薄膜。所披露的聚合物可以来源于生物相容和/或可生物吸收的聚异氰酸酯。本发明还涉及用于制备生物相容和/或可生物吸收聚异氰酸酯的新型和改进的方法。