申请人:Bezwada Biomedical LLC
公开号:EP2298235A1
公开(公告)日:2011-03-23
Abstract: Absorbable polyurethanes, polyamides and polyester urethanes prepared from at least one compound selected from: Rn .C00-(X)P-R' Rn O-(X)p-R' W. .O- (X)p-R' OCN Rn Rn NH-(Y)P-R' "COO-(X)P-R' V^. ^0-(Y)P-RI OCN H2N or the diamines and diisocyanates thereof, wherein each X represents a member independently selected from -CH2COO- (glycolic acid moiety), -CH(CH3)COO- (lactic acid moiety), -CH2CH2OCH2COO- (dioxanone), -CH2CH2CH2CH2CH2COO- (caprolactone moiety), -(CH2)yCOO- where y is one of the numbers 2,3,4 or 6- 24 inclusive, and -(CH2CH2O)Z CH2COO- where z' is an integer between 2 and 24, inclusive; each Y represents a member independently selected from -COCH2O- (glycolic ester moiety), -COCH(CH3)O- (lactic ester moiety), -COCH2OCH2CH2O- (dioxanone ester), -COCH2CH2CH2CH2CH2O- (caprolactone ester), -CO(CH2)mO- where m is an integer between 2, 3, 4 or 6 - 24 inclusive, -COCH2O(CH2CH2O)n- where n is an integer between 2 and 24, inclusive; R' is hydrogen, benzyl or an alkyl group, the alkyl group being either straight-chained or branched; p is an integer between 1 and 4, inclusive; and Rn represents one or more members selected from H, alkoxy, benzyloxy, aldehyde, halogen, carboxylic acid and -NO2, which is attached directly to an aromatic ring or attached through an aliphatic chain. Absorbable poly- mers prepared from these compounds are useful for drug delivery, tissue engineering, tissue adhesives, adhesion prevention and other implantable medical devices.
摘要:可吸收聚氨酯、聚酰胺和聚酯聚氨酯由至少一种选自以下的化合物制备而成:Rn .C00-(X)P-R' Rn O-(X)p-R' W. .O-(X)p-R' OCN Rn Rn NH-(Y)P-R' "COO-(X)P-R' V^.^0-(Y)P-RI OCN H2N 或其二胺和二异氰酸酯,其中每个 X 代表独立选自 -CH2COO-(乙醇酸分子)、-CH(CH3)COO-(乳酸分子)的成员、-CH2CH2OCH2COO-(二噁烷酮),-CH2CH2CH2CH2CH2COO-(己内酯分子),-(CH2)yCOO-(其中 y 是 2、3、4 或 6-24 个数字中的一个),以及-(CH2CH2O)Z CH2COO-(其中 z' 是 2-24 个数字中的一个整数);每个 Y 代表独立选自-COCH2O-(乙醇酯分子)、-COCH(CH3)O-(乳酸 酯分子)、-COCH2OCH2CH2O-(二噁烷酮酯分子)的成员、-COCH2CH2CH2CH2CH2O-(己内酯),-CO(CH2)mO- 其中 m 为 2、3、4 或 6-24 之间的整数,-COCH2O(CH2CH2O)n- 其中 n 为 2-24 之间的整数;R'是氢、苄基或烷基,烷基可以是直链烷基或支链烷基;p 是介于 1 和 4 之间(包括 4)的整数;Rn 代表一个或多个选自 H、烷氧基、苄氧基、醛、卤素、羧酸和 -NO2 的成员,它们直接连接到芳香环上或通过脂族链连接。由这些化合物制备的可吸收聚合物可用于药物输送、组织工程、组织粘合剂、防粘连和其他植入式医疗设备。