| 摘要 |
FIELD: medicine. ^ SUBSTANCE: invention refers to an angioplasty device or to its components made of an elastomer material with said elastomer material containing polyamide polymer prepared by polymerisation of a compound forming polyamide blocks and specified from the group consisting of aminocarboxylic acid of formula H2N-R1-COOH (1) and lactam of formula (2): with a polyester diamine three-block compound of formula (3) and dicarboxylic acid of formula (4): HOOC- (R3)m-COOH (4) wherein each of groups R1, R2 and R3 represents the binding groups including hydrocarbon chain which can interrupted by one or more amide groups; x is an integer 1 to 20; y is an integer 4 to 50, z is an integer 1 to 20; m is equal to 0 or 1. ^ EFFECT: angioplasty devices are characterised by high elasticity. ^ 28 cl, 14 tbl, 1 ex |
