申请人:Bezwada Rao S.
公开号:US08367747B2
公开(公告)日:2013-02-05
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.
提供了新型的可吸收和/或生物相容的聚氨酯、聚脲、聚酰胺氨基甲酸酯和聚脲氨基甲酸酯,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由生物相容和/或可吸收的聚异氰酸酯制备而成。本发明还涉及制备生物相容和/或可吸收的聚异氰酸酯的新的改进方法。